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FFmpeg/fftools/ffprobe.c

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  1. /*

  2.  * Copyright (c) 2007-2010 Stefano Sabatini

  3.  *

  4.  * This file is part of FFmpeg.

  5.  *

  6.  * FFmpeg is free software; you can redistribute it and/or

  7.  * modify it under the terms of the GNU Lesser General Public

  8.  * License as published by the Free Software Foundation; either

  9.  * version 2.1 of the License, or (at your option) any later version.

  10.  *

  11.  * FFmpeg is distributed in the hope that it will be useful,

  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  14.  * Lesser General Public License for more details.

  15.  *

  16.  * You should have received a copy of the GNU Lesser General Public

  17.  * License along with FFmpeg; if not, write to the Free Software

  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  19.  */

  20. 

  21. /**

  22.  * @file

  23.  * simple media prober based on the FFmpeg libraries

  24.  */

  25. 

  26. #include "config.h"

  27. #include "libavutil/ffversion.h"

  28. 

  29. #include <string.h>

  30. 

  31. #include "libavformat/avformat.h"

  32. #include "libavcodec/avcodec.h"

  33. #include "libavutil/avassert.h"

  34. #include "libavutil/avstring.h"

  35. #include "libavutil/bprint.h"

  36. #include "libavutil/display.h"

  37. #include "libavutil/hash.h"

  38. #include "libavutil/hdr_dynamic_metadata.h"

  39. #include "libavutil/mastering_display_metadata.h"

  40. #include "libavutil/dovi_meta.h"

  41. #include "libavutil/opt.h"

  42. #include "libavutil/pixdesc.h"

  43. #include "libavutil/spherical.h"

  44. #include "libavutil/stereo3d.h"

  45. #include "libavutil/dict.h"

  46. #include "libavutil/intreadwrite.h"

  47. #include "libavutil/libm.h"

  48. #include "libavutil/parseutils.h"

  49. #include "libavutil/timecode.h"

  50. #include "libavutil/timestamp.h"

  51. #include "libavdevice/avdevice.h"

  52. #include "libswscale/swscale.h"

  53. #include "libswresample/swresample.h"

  54. #include "libpostproc/postprocess.h"

  55. #include "cmdutils.h"

  56. 

  57. #include "libavutil/thread.h"

  58. 

  59. #if !HAVE_THREADS

  60. #  ifdef pthread_mutex_lock

  61. #    undef pthread_mutex_lock

  62. #  endif

  63. #  define pthread_mutex_lock(a) do{}while(0)

  64. #  ifdef pthread_mutex_unlock

  65. #    undef pthread_mutex_unlock

  66. #  endif

  67. #  define pthread_mutex_unlock(a) do{}while(0)

  68. #endif

  69. 

  70. typedef struct InputStream {

  71.     AVStream *st;

  72. 

  73.     AVCodecContext *dec_ctx;

  74. } InputStream;

  75. 

  76. typedef struct InputFile {

  77.     AVFormatContext *fmt_ctx;

  78. 

  79.     InputStream *streams;

  80.     int       nb_streams;

  81. } InputFile;

  82. 

  83. const char program_name[] = "ffprobe";

  84. const int program_birth_year = 2007;

  85. 

  86. static int do_bitexact = 0;

  87. static int do_count_frames = 0;

  88. static int do_count_packets = 0;

  89. static int do_read_frames  = 0;

  90. static int do_read_packets = 0;

  91. static int do_show_chapters = 0;

  92. static int do_show_error   = 0;

  93. static int do_show_format  = 0;

  94. static int do_show_frames  = 0;

  95. static int do_show_packets = 0;

  96. static int do_show_programs = 0;

  97. static int do_show_streams = 0;

  98. static int do_show_stream_disposition = 0;

  99. static int do_show_data    = 0;

  100. static int do_show_program_version  = 0;

  101. static int do_show_library_versions = 0;

  102. static int do_show_pixel_formats = 0;

  103. static int do_show_pixel_format_flags = 0;

  104. static int do_show_pixel_format_components = 0;

  105. static int do_show_log = 0;

  106. 

  107. static int do_show_chapter_tags = 0;

  108. static int do_show_format_tags = 0;

  109. static int do_show_frame_tags = 0;

  110. static int do_show_program_tags = 0;

  111. static int do_show_stream_tags = 0;

  112. static int do_show_packet_tags = 0;

  113. 

  114. static int show_value_unit              = 0;

  115. static int use_value_prefix             = 0;

  116. static int use_byte_value_binary_prefix = 0;

  117. static int use_value_sexagesimal_format = 0;

  118. static int show_private_data            = 1;

  119. 

  120. static char *print_format;

  121. static char *stream_specifier;

  122. static char *show_data_hash;

  123. 

  124. typedef struct ReadInterval {

  125.     int id;             ///< identifier

  126.     int64_t start, end; ///< start, end in second/AV_TIME_BASE units

  127.     int has_start, has_end;

  128.     int start_is_offset, end_is_offset;

  129.     int duration_frames;

  130. } ReadInterval;

  131. 

  132. static ReadInterval *read_intervals;

  133. static int read_intervals_nb = 0;

  134. 

  135. static int find_stream_info  = 1;

  136. 

  137. /* section structure definition */

  138. 

  139. #define SECTION_MAX_NB_CHILDREN 10

  140. 

  141. struct section {

  142.     int id;             ///< unique id identifying a section

  143.     const char *name;

  144. 

  145. #define SECTION_FLAG_IS_WRAPPER      1 ///< the section only contains other sections, but has no data at its own level

  146. #define SECTION_FLAG_IS_ARRAY        2 ///< the section contains an array of elements of the same type

  147. #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.

  148.                                            ///  For these sections the element_name field is mandatory.

  149.     int flags;

  150.     int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1

  151.     const char *element_name; ///< name of the contained element, if provided

  152.     const char *unique_name;  ///< unique section name, in case the name is ambiguous

  153.     AVDictionary *entries_to_show;

  154.     int show_all_entries;

  155. };

  156. 

  157. typedef enum {

  158.     SECTION_ID_NONE = -1,

  159.     SECTION_ID_CHAPTER,

  160.     SECTION_ID_CHAPTER_TAGS,

  161.     SECTION_ID_CHAPTERS,

  162.     SECTION_ID_ERROR,

  163.     SECTION_ID_FORMAT,

  164.     SECTION_ID_FORMAT_TAGS,

  165.     SECTION_ID_FRAME,

  166.     SECTION_ID_FRAMES,

  167.     SECTION_ID_FRAME_TAGS,

  168.     SECTION_ID_FRAME_SIDE_DATA_LIST,

  169.     SECTION_ID_FRAME_SIDE_DATA,

  170.     SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST,

  171.     SECTION_ID_FRAME_SIDE_DATA_TIMECODE,

  172.     SECTION_ID_FRAME_LOG,

  173.     SECTION_ID_FRAME_LOGS,

  174.     SECTION_ID_LIBRARY_VERSION,

  175.     SECTION_ID_LIBRARY_VERSIONS,

  176.     SECTION_ID_PACKET,

  177.     SECTION_ID_PACKET_TAGS,

  178.     SECTION_ID_PACKETS,

  179.     SECTION_ID_PACKETS_AND_FRAMES,

  180.     SECTION_ID_PACKET_SIDE_DATA_LIST,

  181.     SECTION_ID_PACKET_SIDE_DATA,

  182.     SECTION_ID_PIXEL_FORMAT,

  183.     SECTION_ID_PIXEL_FORMAT_FLAGS,

  184.     SECTION_ID_PIXEL_FORMAT_COMPONENT,

  185.     SECTION_ID_PIXEL_FORMAT_COMPONENTS,

  186.     SECTION_ID_PIXEL_FORMATS,

  187.     SECTION_ID_PROGRAM_STREAM_DISPOSITION,

  188.     SECTION_ID_PROGRAM_STREAM_TAGS,

  189.     SECTION_ID_PROGRAM,

  190.     SECTION_ID_PROGRAM_STREAMS,

  191.     SECTION_ID_PROGRAM_STREAM,

  192.     SECTION_ID_PROGRAM_TAGS,

  193.     SECTION_ID_PROGRAM_VERSION,

  194.     SECTION_ID_PROGRAMS,

  195.     SECTION_ID_ROOT,

  196.     SECTION_ID_STREAM,

  197.     SECTION_ID_STREAM_DISPOSITION,

  198.     SECTION_ID_STREAMS,

  199.     SECTION_ID_STREAM_TAGS,

  200.     SECTION_ID_STREAM_SIDE_DATA_LIST,

  201.     SECTION_ID_STREAM_SIDE_DATA,

  202.     SECTION_ID_SUBTITLE,

  203. } SectionID;

  204. 

  205. static struct section sections[] = {

  206.     [SECTION_ID_CHAPTERS] =           { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },

  207.     [SECTION_ID_CHAPTER] =            { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },

  208.     [SECTION_ID_CHAPTER_TAGS] =       { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },

  209.     [SECTION_ID_ERROR] =              { SECTION_ID_ERROR, "error", 0, { -1 } },

  210.     [SECTION_ID_FORMAT] =             { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },

  211.     [SECTION_ID_FORMAT_TAGS] =        { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },

  212.     [SECTION_ID_FRAMES] =             { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },

  213.     [SECTION_ID_FRAME] =              { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, SECTION_ID_FRAME_LOGS, -1 } },

  214.     [SECTION_ID_FRAME_TAGS] =         { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },

  215.     [SECTION_ID_FRAME_SIDE_DATA_LIST] ={ SECTION_ID_FRAME_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "frame_side_data_list" },

  216.     [SECTION_ID_FRAME_SIDE_DATA] =     { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST, -1 } },

  217.     [SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST] =     { SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST, "timecodes", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA_TIMECODE, -1 } },

  218.     [SECTION_ID_FRAME_SIDE_DATA_TIMECODE] =     { SECTION_ID_FRAME_SIDE_DATA_TIMECODE, "timecode", 0, { -1 } },

  219.     [SECTION_ID_FRAME_LOGS] =         { SECTION_ID_FRAME_LOGS, "logs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_LOG, -1 } },

  220.     [SECTION_ID_FRAME_LOG] =          { SECTION_ID_FRAME_LOG, "log", 0, { -1 },  },

  221.     [SECTION_ID_LIBRARY_VERSIONS] =   { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },

  222.     [SECTION_ID_LIBRARY_VERSION] =    { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },

  223.     [SECTION_ID_PACKETS] =            { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },

  224.     [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },

  225.     [SECTION_ID_PACKET] =             { SECTION_ID_PACKET, "packet", 0, { SECTION_ID_PACKET_TAGS, SECTION_ID_PACKET_SIDE_DATA_LIST, -1 } },

  226.     [SECTION_ID_PACKET_TAGS] =        { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" },

  227.     [SECTION_ID_PACKET_SIDE_DATA_LIST] ={ SECTION_ID_PACKET_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "packet_side_data_list" },

  228.     [SECTION_ID_PACKET_SIDE_DATA] =     { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } },

  229.     [SECTION_ID_PIXEL_FORMATS] =      { SECTION_ID_PIXEL_FORMATS, "pixel_formats", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PIXEL_FORMAT, -1 } },

  230.     [SECTION_ID_PIXEL_FORMAT] =       { SECTION_ID_PIXEL_FORMAT, "pixel_format", 0, { SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENTS, -1 } },

  231.     [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },

  232.     [SECTION_ID_PIXEL_FORMAT_COMPONENTS] = { SECTION_ID_PIXEL_FORMAT_COMPONENTS, "components", SECTION_FLAG_IS_ARRAY, {SECTION_ID_PIXEL_FORMAT_COMPONENT, -1 }, .unique_name = "pixel_format_components" },

  233.     [SECTION_ID_PIXEL_FORMAT_COMPONENT]  = { SECTION_ID_PIXEL_FORMAT_COMPONENT, "component", 0, { -1 } },

  234.     [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },

  235.     [SECTION_ID_PROGRAM_STREAM_TAGS] =        { SECTION_ID_PROGRAM_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_stream_tags" },

  236.     [SECTION_ID_PROGRAM] =                    { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },

  237.     [SECTION_ID_PROGRAM_STREAMS] =            { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },

  238.     [SECTION_ID_PROGRAM_STREAM] =             { SECTION_ID_PROGRAM_STREAM, "stream", 0, { SECTION_ID_PROGRAM_STREAM_DISPOSITION, SECTION_ID_PROGRAM_STREAM_TAGS, -1 }, .unique_name = "program_stream" },

  239.     [SECTION_ID_PROGRAM_TAGS] =               { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },

  240.     [SECTION_ID_PROGRAM_VERSION] =    { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },

  241.     [SECTION_ID_PROGRAMS] =                   { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },

  242.     [SECTION_ID_ROOT] =               { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,

  243.                                         { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,

  244.                                           SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS,

  245.                                           SECTION_ID_PIXEL_FORMATS, -1} },

  246.     [SECTION_ID_STREAMS] =            { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },

  247.     [SECTION_ID_STREAM] =             { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, SECTION_ID_STREAM_SIDE_DATA_LIST, -1 } },

  248.     [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },

  249.     [SECTION_ID_STREAM_TAGS] =        { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },

  250.     [SECTION_ID_STREAM_SIDE_DATA_LIST] ={ SECTION_ID_STREAM_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "stream_side_data_list" },

  251.     [SECTION_ID_STREAM_SIDE_DATA] =     { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } },

  252.     [SECTION_ID_SUBTITLE] =           { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },

  253. };

  254. 

  255. static const OptionDef *options;

  256. 

  257. /* FFprobe context */

  258. static const char *input_filename;

  259. static const char *print_input_filename;

  260. static AVInputFormat *iformat = NULL;

  261. 

  262. static struct AVHashContext *hash;

  263. 

  264. static const struct {

  265.     double bin_val;

  266.     double dec_val;

  267.     const char *bin_str;

  268.     const char *dec_str;

  269. } si_prefixes[] = {

  270.     { 1.0, 1.0, "", "" },

  271.     { 1.024e3, 1e3, "Ki", "K" },

  272.     { 1.048576e6, 1e6, "Mi", "M" },

  273.     { 1.073741824e9, 1e9, "Gi", "G" },

  274.     { 1.099511627776e12, 1e12, "Ti", "T" },

  275.     { 1.125899906842624e15, 1e15, "Pi", "P" },

  276. };

  277. 

  278. static const char unit_second_str[]         = "s"    ;

  279. static const char unit_hertz_str[]          = "Hz"   ;

  280. static const char unit_byte_str[]           = "byte" ;

  281. static const char unit_bit_per_second_str[] = "bit/s";

  282. 

  283. static int nb_streams;

  284. static uint64_t *nb_streams_packets;

  285. static uint64_t *nb_streams_frames;

  286. static int *selected_streams;

  287. 

  288. #if HAVE_THREADS

  289. pthread_mutex_t log_mutex;

  290. #endif

  291. typedef struct LogBuffer {

  292.     char *context_name;

  293.     int log_level;

  294.     char *log_message;

  295.     AVClassCategory category;

  296.     char *parent_name;

  297.     AVClassCategory parent_category;

  298. }LogBuffer;

  299. 

  300. static LogBuffer *log_buffer;

  301. static int log_buffer_size;

  302. 

  303. static void log_callback(void *ptr, int level, const char *fmt, va_list vl)

  304. {

  305.     AVClass* avc = ptr ? *(AVClass **) ptr : NULL;

  306.     va_list vl2;

  307.     char line[1024];

  308.     static int print_prefix = 1;

  309.     void *new_log_buffer;

  310. 

  311.     va_copy(vl2, vl);

  312.     av_log_default_callback(ptr, level, fmt, vl);

  313.     av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);

  314.     va_end(vl2);

  315. 

  316. #if HAVE_THREADS

  317.     pthread_mutex_lock(&log_mutex);

  318. 

  319.     new_log_buffer = av_realloc_array(log_buffer, log_buffer_size + 1, sizeof(*log_buffer));

  320.     if (new_log_buffer) {

  321.         char *msg;

  322.         int i;

  323. 

  324.         log_buffer = new_log_buffer;

  325.         memset(&log_buffer[log_buffer_size], 0, sizeof(log_buffer[log_buffer_size]));

  326.         log_buffer[log_buffer_size].context_name= avc ? av_strdup(avc->item_name(ptr)) : NULL;

  327.         if (avc) {

  328.             if (avc->get_category) log_buffer[log_buffer_size].category = avc->get_category(ptr);

  329.             else                   log_buffer[log_buffer_size].category = avc->category;

  330.         }

  331.         log_buffer[log_buffer_size].log_level   = level;

  332.         msg = log_buffer[log_buffer_size].log_message = av_strdup(line);

  333.         for (i=strlen(msg) - 1; i>=0 && msg[i] == '\n'; i--) {

  334.             msg[i] = 0;

  335.         }

  336.         if (avc && avc->parent_log_context_offset) {

  337.             AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +

  338.                                    avc->parent_log_context_offset);

  339.             if (parent && *parent) {

  340.                 log_buffer[log_buffer_size].parent_name = av_strdup((*parent)->item_name(parent));

  341.                 log_buffer[log_buffer_size].parent_category =

  342.                     (*parent)->get_category ? (*parent)->get_category(parent) :(*parent)->category;

  343.             }

  344.         }

  345.         log_buffer_size ++;

  346.     }

  347. 

  348.     pthread_mutex_unlock(&log_mutex);

  349. #endif

  350. }

  351. 

  352. static void ffprobe_cleanup(int ret)

  353. {

  354.     int i;

  355.     for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)

  356.         av_dict_free(&(sections[i].entries_to_show));

  357. 

  358. #if HAVE_THREADS

  359.     pthread_mutex_destroy(&log_mutex);

  360. #endif

  361. }

  362. 

  363. struct unit_value {

  364.     union { double d; long long int i; } val;

  365.     const char *unit;

  366. };

  367. 

  368. static char *value_string(char *buf, int buf_size, struct unit_value uv)

  369. {

  370.     double vald;

  371.     long long int vali;

  372.     int show_float = 0;

  373. 

  374.     if (uv.unit == unit_second_str) {

  375.         vald = uv.val.d;

  376.         show_float = 1;

  377.     } else {

  378.         vald = vali = uv.val.i;

  379.     }

  380. 

  381.     if (uv.unit == unit_second_str && use_value_sexagesimal_format) {

  382.         double secs;

  383.         int hours, mins;

  384.         secs  = vald;

  385.         mins  = (int)secs / 60;

  386.         secs  = secs - mins * 60;

  387.         hours = mins / 60;

  388.         mins %= 60;

  389.         snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);

  390.     } else {

  391.         const char *prefix_string = "";

  392. 

  393.         if (use_value_prefix && vald > 1) {

  394.             long long int index;

  395. 

  396.             if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {

  397.                 index = (long long int) (log2(vald)) / 10;

  398.                 index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);

  399.                 vald /= si_prefixes[index].bin_val;

  400.                 prefix_string = si_prefixes[index].bin_str;

  401.             } else {

  402.                 index = (long long int) (log10(vald)) / 3;

  403.                 index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);

  404.                 vald /= si_prefixes[index].dec_val;

  405.                 prefix_string = si_prefixes[index].dec_str;

  406.             }

  407.             vali = vald;

  408.         }

  409. 

  410.         if (show_float || (use_value_prefix && vald != (long long int)vald))

  411.             snprintf(buf, buf_size, "%f", vald);

  412.         else

  413.             snprintf(buf, buf_size, "%lld", vali);

  414.         av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",

  415.                  prefix_string, show_value_unit ? uv.unit : "");

  416.     }

  417. 

  418.     return buf;

  419. }

  420. 

  421. /* WRITERS API */

  422. 

  423. typedef struct WriterContext WriterContext;

  424. 

  425. #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1

  426. #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2

  427. 

  428. typedef enum {

  429.     WRITER_STRING_VALIDATION_FAIL,

  430.     WRITER_STRING_VALIDATION_REPLACE,

  431.     WRITER_STRING_VALIDATION_IGNORE,

  432.     WRITER_STRING_VALIDATION_NB

  433. } StringValidation;

  434. 

  435. typedef struct Writer {

  436.     const AVClass *priv_class;      ///< private class of the writer, if any

  437.     int priv_size;                  ///< private size for the writer context

  438.     const char *name;

  439. 

  440.     int  (*init)  (WriterContext *wctx);

  441.     void (*uninit)(WriterContext *wctx);

  442. 

  443.     void (*print_section_header)(WriterContext *wctx);

  444.     void (*print_section_footer)(WriterContext *wctx);

  445.     void (*print_integer)       (WriterContext *wctx, const char *, long long int);

  446.     void (*print_rational)      (WriterContext *wctx, AVRational *q, char *sep);

  447.     void (*print_string)        (WriterContext *wctx, const char *, const char *);

  448.     int flags;                  ///< a combination or WRITER_FLAG_*

  449. } Writer;

  450. 

  451. #define SECTION_MAX_NB_LEVELS 10

  452. 

  453. struct WriterContext {

  454.     const AVClass *class;           ///< class of the writer

  455.     const Writer *writer;           ///< the Writer of which this is an instance

  456.     char *name;                     ///< name of this writer instance

  457.     void *priv;                     ///< private data for use by the filter

  458. 

  459.     const struct section *sections; ///< array containing all sections

  460.     int nb_sections;                ///< number of sections

  461. 

  462.     int level;                      ///< current level, starting from 0

  463. 

  464.     /** number of the item printed in the given section, starting from 0 */

  465.     unsigned int nb_item[SECTION_MAX_NB_LEVELS];

  466. 

  467.     /** section per each level */

  468.     const struct section *section[SECTION_MAX_NB_LEVELS];

  469.     AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,

  470.                                                   ///  used by various writers

  471. 

  472.     unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section

  473.     unsigned int nb_section_frame;  ///< number of the frame  section in case we are in "packets_and_frames" section

  474.     unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames

  475. 

  476.     int string_validation;

  477.     char *string_validation_replacement;

  478.     unsigned int string_validation_utf8_flags;

  479. };

  480. 

  481. static const char *writer_get_name(void *p)

  482. {

  483.     WriterContext *wctx = p;

  484.     return wctx->writer->name;

  485. }

  486. 

  487. #define OFFSET(x) offsetof(WriterContext, x)

  488. 

  489. static const AVOption writer_options[] = {

  490.     { "string_validation", "set string validation mode",

  491.       OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },

  492.     { "sv", "set string validation mode",

  493.       OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },

  494.     { "ignore",  NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE},  .unit = "sv" },

  495.     { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },

  496.     { "fail",    NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL},    .unit = "sv" },

  497.     { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},

  498.     { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},

  499.     { NULL }

  500. };

  501. 

  502. static void *writer_child_next(void *obj, void *prev)

  503. {

  504.     WriterContext *ctx = obj;

  505.     if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)

  506.         return ctx->priv;

  507.     return NULL;

  508. }

  509. 

  510. static const AVClass writer_class = {

  511.     .class_name = "Writer",

  512.     .item_name  = writer_get_name,

  513.     .option     = writer_options,

  514.     .version    = LIBAVUTIL_VERSION_INT,

  515.     .child_next = writer_child_next,

  516. };

  517. 

  518. static void writer_close(WriterContext **wctx)

  519. {

  520.     int i;

  521. 

  522.     if (!*wctx)

  523.         return;

  524. 

  525.     if ((*wctx)->writer->uninit)

  526.         (*wctx)->writer->uninit(*wctx);

  527.     for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)

  528.         av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);

  529.     if ((*wctx)->writer->priv_class)

  530.         av_opt_free((*wctx)->priv);

  531.     av_freep(&((*wctx)->priv));

  532.     av_opt_free(*wctx);

  533.     av_freep(wctx);

  534. }

  535. 

  536. static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)

  537. {

  538.     int i;

  539.     av_bprintf(bp, "0X");

  540.     for (i = 0; i < ubuf_size; i++)

  541.         av_bprintf(bp, "%02X", ubuf[i]);

  542. }

  543. 

  544. 

  545. static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,

  546.                        const struct section *sections, int nb_sections)

  547. {

  548.     int i, ret = 0;

  549. 

  550.     if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {

  551.         ret = AVERROR(ENOMEM);

  552.         goto fail;

  553.     }

  554. 

  555.     if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {

  556.         ret = AVERROR(ENOMEM);

  557.         goto fail;

  558.     }

  559. 

  560.     (*wctx)->class = &writer_class;

  561.     (*wctx)->writer = writer;

  562.     (*wctx)->level = -1;

  563.     (*wctx)->sections = sections;

  564.     (*wctx)->nb_sections = nb_sections;

  565. 

  566.     av_opt_set_defaults(*wctx);

  567. 

  568.     if (writer->priv_class) {

  569.         void *priv_ctx = (*wctx)->priv;

  570.         *((const AVClass **)priv_ctx) = writer->priv_class;

  571.         av_opt_set_defaults(priv_ctx);

  572.     }

  573. 

  574.     /* convert options to dictionary */

  575.     if (args) {

  576.         AVDictionary *opts = NULL;

  577.         AVDictionaryEntry *opt = NULL;

  578. 

  579.         if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {

  580.             av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);

  581.             av_dict_free(&opts);

  582.             goto fail;

  583.         }

  584. 

  585.         while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {

  586.             if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {

  587.                 av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",

  588.                        opt->key, opt->value);

  589.                 av_dict_free(&opts);

  590.                 goto fail;

  591.             }

  592.         }

  593. 

  594.         av_dict_free(&opts);

  595.     }

  596. 

  597.     /* validate replace string */

  598.     {

  599.         const uint8_t *p = (*wctx)->string_validation_replacement;

  600.         const uint8_t *endp = p + strlen(p);

  601.         while (*p) {

  602.             const uint8_t *p0 = p;

  603.             int32_t code;

  604.             ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);

  605.             if (ret < 0) {

  606.                 AVBPrint bp;

  607.                 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);

  608.                 bprint_bytes(&bp, p0, p-p0),

  609.                     av_log(wctx, AV_LOG_ERROR,

  610.                            "Invalid UTF8 sequence %s found in string validation replace '%s'\n",

  611.                            bp.str, (*wctx)->string_validation_replacement);

  612.                 return ret;

  613.             }

  614.         }

  615.     }

  616. 

  617.     for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)

  618.         av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);

  619. 

  620.     if ((*wctx)->writer->init)

  621.         ret = (*wctx)->writer->init(*wctx);

  622.     if (ret < 0)

  623.         goto fail;

  624. 

  625.     return 0;

  626. 

  627. fail:

  628.     writer_close(wctx);

  629.     return ret;

  630. }

  631. 

  632. static inline void writer_print_section_header(WriterContext *wctx,

  633.                                                int section_id)

  634. {

  635.     int parent_section_id;

  636.     wctx->level++;

  637.     av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);

  638.     parent_section_id = wctx->level ?

  639.         (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;

  640. 

  641.     wctx->nb_item[wctx->level] = 0;

  642.     wctx->section[wctx->level] = &wctx->sections[section_id];

  643. 

  644.     if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {

  645.         wctx->nb_section_packet = wctx->nb_section_frame =

  646.         wctx->nb_section_packet_frame = 0;

  647.     } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {

  648.         wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?

  649.             wctx->nb_section_packet : wctx->nb_section_frame;

  650.     }

  651. 

  652.     if (wctx->writer->print_section_header)

  653.         wctx->writer->print_section_header(wctx);

  654. }

  655. 

  656. static inline void writer_print_section_footer(WriterContext *wctx)

  657. {

  658.     int section_id = wctx->section[wctx->level]->id;

  659.     int parent_section_id = wctx->level ?

  660.         wctx->section[wctx->level-1]->id : SECTION_ID_NONE;

  661. 

  662.     if (parent_section_id != SECTION_ID_NONE)

  663.         wctx->nb_item[wctx->level-1]++;

  664.     if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {

  665.         if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;

  666.         else                                     wctx->nb_section_frame++;

  667.     }

  668.     if (wctx->writer->print_section_footer)

  669.         wctx->writer->print_section_footer(wctx);

  670.     wctx->level--;

  671. }

  672. 

  673. static inline void writer_print_integer(WriterContext *wctx,

  674.                                         const char *key, long long int val)

  675. {

  676.     const struct section *section = wctx->section[wctx->level];

  677. 

  678.     if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {

  679.         wctx->writer->print_integer(wctx, key, val);

  680.         wctx->nb_item[wctx->level]++;

  681.     }

  682. }

  683. 

  684. static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)

  685. {

  686.     const uint8_t *p, *endp;

  687.     AVBPrint dstbuf;

  688.     int invalid_chars_nb = 0, ret = 0;

  689. 

  690.     av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);

  691. 

  692.     endp = src + strlen(src);

  693.     for (p = (uint8_t *)src; *p;) {

  694.         uint32_t code;

  695.         int invalid = 0;

  696.         const uint8_t *p0 = p;

  697. 

  698.         if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {

  699.             AVBPrint bp;

  700.             av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);

  701.             bprint_bytes(&bp, p0, p-p0);

  702.             av_log(wctx, AV_LOG_DEBUG,

  703.                    "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);

  704.             invalid = 1;

  705.         }

  706. 

  707.         if (invalid) {

  708.             invalid_chars_nb++;

  709. 

  710.             switch (wctx->string_validation) {

  711.             case WRITER_STRING_VALIDATION_FAIL:

  712.                 av_log(wctx, AV_LOG_ERROR,

  713.                        "Invalid UTF-8 sequence found in string '%s'\n", src);

  714.                 ret = AVERROR_INVALIDDATA;

  715.                 goto end;

  716.                 break;

  717. 

  718.             case WRITER_STRING_VALIDATION_REPLACE:

  719.                 av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);

  720.                 break;

  721.             }

  722.         }

  723. 

  724.         if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)

  725.             av_bprint_append_data(&dstbuf, p0, p-p0);

  726.     }

  727. 

  728.     if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {

  729.         av_log(wctx, AV_LOG_WARNING,

  730.                "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",

  731.                invalid_chars_nb, src, wctx->string_validation_replacement);

  732.     }

  733. 

  734. end:

  735.     av_bprint_finalize(&dstbuf, dstp);

  736.     return ret;

  737. }

  738. 

  739. #define PRINT_STRING_OPT      1

  740. #define PRINT_STRING_VALIDATE 2

  741. 

  742. static inline int writer_print_string(WriterContext *wctx,

  743.                                       const char *key, const char *val, int flags)

  744. {

  745.     const struct section *section = wctx->section[wctx->level];

  746.     int ret = 0;

  747. 

  748.     if ((flags & PRINT_STRING_OPT)

  749.         && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))

  750.         return 0;

  751. 

  752.     if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {

  753.         if (flags & PRINT_STRING_VALIDATE) {

  754.             char *key1 = NULL, *val1 = NULL;

  755.             ret = validate_string(wctx, &key1, key);

  756.             if (ret < 0) goto end;

  757.             ret = validate_string(wctx, &val1, val);

  758.             if (ret < 0) goto end;

  759.             wctx->writer->print_string(wctx, key1, val1);

  760.         end:

  761.             if (ret < 0) {

  762.                 av_log(wctx, AV_LOG_ERROR,

  763.                        "Invalid key=value string combination %s=%s in section %s\n",

  764.                        key, val, section->unique_name);

  765.             }

  766.             av_free(key1);

  767.             av_free(val1);

  768.         } else {

  769.             wctx->writer->print_string(wctx, key, val);

  770.         }

  771. 

  772.         wctx->nb_item[wctx->level]++;

  773.     }

  774. 

  775.     return ret;

  776. }

  777. 

  778. static inline void writer_print_rational(WriterContext *wctx,

  779.                                          const char *key, AVRational q, char sep)

  780. {

  781.     AVBPrint buf;

  782.     av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);

  783.     av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);

  784.     writer_print_string(wctx, key, buf.str, 0);

  785. }

  786. 

  787. static void writer_print_time(WriterContext *wctx, const char *key,

  788.                               int64_t ts, const AVRational *time_base, int is_duration)

  789. {

  790.     char buf[128];

  791. 

  792.     if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {

  793.         writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);

  794.     } else {

  795.         double d = ts * av_q2d(*time_base);

  796.         struct unit_value uv;

  797.         uv.val.d = d;

  798.         uv.unit = unit_second_str;

  799.         value_string(buf, sizeof(buf), uv);

  800.         writer_print_string(wctx, key, buf, 0);

  801.     }

  802. }

  803. 

  804. static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)

  805. {

  806.     if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {

  807.         writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);

  808.     } else {

  809.         writer_print_integer(wctx, key, ts);

  810.     }

  811. }

  812. 

  813. static void writer_print_data(WriterContext *wctx, const char *name,

  814.                               uint8_t *data, int size)

  815. {

  816.     AVBPrint bp;

  817.     int offset = 0, l, i;

  818. 

  819.     av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);

  820.     av_bprintf(&bp, "\n");

  821.     while (size) {

  822.         av_bprintf(&bp, "%08x: ", offset);

  823.         l = FFMIN(size, 16);

  824.         for (i = 0; i < l; i++) {

  825.             av_bprintf(&bp, "%02x", data[i]);

  826.             if (i & 1)

  827.                 av_bprintf(&bp, " ");

  828.         }

  829.         av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);

  830.         for (i = 0; i < l; i++)

  831.             av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);

  832.         av_bprintf(&bp, "\n");

  833.         offset += l;

  834.         data   += l;

  835.         size   -= l;

  836.     }

  837.     writer_print_string(wctx, name, bp.str, 0);

  838.     av_bprint_finalize(&bp, NULL);

  839. }

  840. 

  841. static void writer_print_data_hash(WriterContext *wctx, const char *name,

  842.                                    uint8_t *data, int size)

  843. {

  844.     char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };

  845. 

  846.     if (!hash)

  847.         return;

  848.     av_hash_init(hash);

  849.     av_hash_update(hash, data, size);

  850.     snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));

  851.     p = buf + strlen(buf);

  852.     av_hash_final_hex(hash, p, buf + sizeof(buf) - p);

  853.     writer_print_string(wctx, name, buf, 0);

  854. }

  855. 

  856. static void writer_print_integers(WriterContext *wctx, const char *name,

  857.                                   uint8_t *data, int size, const char *format,

  858.                                   int columns, int bytes, int offset_add)

  859. {

  860.     AVBPrint bp;

  861.     int offset = 0, l, i;

  862. 

  863.     av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);

  864.     av_bprintf(&bp, "\n");

  865.     while (size) {

  866.         av_bprintf(&bp, "%08x: ", offset);

  867.         l = FFMIN(size, columns);

  868.         for (i = 0; i < l; i++) {

  869.             if      (bytes == 1) av_bprintf(&bp, format, *data);

  870.             else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));

  871.             else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));

  872.             data += bytes;

  873.             size --;

  874.         }

  875.         av_bprintf(&bp, "\n");

  876.         offset += offset_add;

  877.     }

  878.     writer_print_string(wctx, name, bp.str, 0);

  879.     av_bprint_finalize(&bp, NULL);

  880. }

  881. 

  882. #define MAX_REGISTERED_WRITERS_NB 64

  883. 

  884. static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];

  885. 

  886. static int writer_register(const Writer *writer)

  887. {

  888.     static int next_registered_writer_idx = 0;

  889. 

  890.     if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)

  891.         return AVERROR(ENOMEM);

  892. 

  893.     registered_writers[next_registered_writer_idx++] = writer;

  894.     return 0;

  895. }

  896. 

  897. static const Writer *writer_get_by_name(const char *name)

  898. {

  899.     int i;

  900. 

  901.     for (i = 0; registered_writers[i]; i++)

  902.         if (!strcmp(registered_writers[i]->name, name))

  903.             return registered_writers[i];

  904. 

  905.     return NULL;

  906. }

  907. 

  908. 

  909. /* WRITERS */

  910. 

  911. #define DEFINE_WRITER_CLASS(name)                   \

  912. static const char *name##_get_name(void *ctx)       \

  913. {                                                   \

  914.     return #name ;                                  \

  915. }                                                   \

  916. static const AVClass name##_class = {               \

  917.     .class_name = #name,                            \

  918.     .item_name  = name##_get_name,                  \

  919.     .option     = name##_options                    \

  920. }

  921. 

  922. /* Default output */

  923. 

  924. typedef struct DefaultContext {

  925.     const AVClass *class;

  926.     int nokey;

  927.     int noprint_wrappers;

  928.     int nested_section[SECTION_MAX_NB_LEVELS];

  929. } DefaultContext;

  930. 

  931. #undef OFFSET

  932. #define OFFSET(x) offsetof(DefaultContext, x)

  933. 

  934. static const AVOption default_options[] = {

  935.     { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },

  936.     { "nw",               "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },

  937.     { "nokey",          "force no key printing",     OFFSET(nokey),          AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },

  938.     { "nk",             "force no key printing",     OFFSET(nokey),          AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },

  939.     {NULL},

  940. };

  941. 

  942. DEFINE_WRITER_CLASS(default);

  943. 

  944. /* lame uppercasing routine, assumes the string is lower case ASCII */

  945. static inline char *upcase_string(char *dst, size_t dst_size, const char *src)

  946. {

  947.     int i;

  948.     for (i = 0; src[i] && i < dst_size-1; i++)

  949.         dst[i] = av_toupper(src[i]);

  950.     dst[i] = 0;

  951.     return dst;

  952. }

  953. 

  954. static void default_print_section_header(WriterContext *wctx)

  955. {

  956.     DefaultContext *def = wctx->priv;

  957.     char buf[32];

  958.     const struct section *section = wctx->section[wctx->level];

  959.     const struct section *parent_section = wctx->level ?

  960.         wctx->section[wctx->level-1] : NULL;

  961. 

  962.     av_bprint_clear(&wctx->section_pbuf[wctx->level]);

  963.     if (parent_section &&

  964.         !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {

  965.         def->nested_section[wctx->level] = 1;

  966.         av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",

  967.                    wctx->section_pbuf[wctx->level-1].str,

  968.                    upcase_string(buf, sizeof(buf),

  969.                                  av_x_if_null(section->element_name, section->name)));

  970.     }

  971. 

  972.     if (def->noprint_wrappers || def->nested_section[wctx->level])

  973.         return;

  974. 

  975.     if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))

  976.         printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));

  977. }

  978. 

  979. static void default_print_section_footer(WriterContext *wctx)

  980. {

  981.     DefaultContext *def = wctx->priv;

  982.     const struct section *section = wctx->section[wctx->level];

  983.     char buf[32];

  984. 

  985.     if (def->noprint_wrappers || def->nested_section[wctx->level])

  986.         return;

  987. 

  988.     if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))

  989.         printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));

  990. }

  991. 

  992. static void default_print_str(WriterContext *wctx, const char *key, const char *value)

  993. {

  994.     DefaultContext *def = wctx->priv;

  995. 

  996.     if (!def->nokey)

  997.         printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);

  998.     printf("%s\n", value);

  999. }

  1000. 

  1001. static void default_print_int(WriterContext *wctx, const char *key, long long int value)

  1002. {

  1003.     DefaultContext *def = wctx->priv;

  1004. 

  1005.     if (!def->nokey)

  1006.         printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);

  1007.     printf("%lld\n", value);

  1008. }

  1009. 

  1010. static const Writer default_writer = {

  1011.     .name                  = "default",

  1012.     .priv_size             = sizeof(DefaultContext),

  1013.     .print_section_header  = default_print_section_header,

  1014.     .print_section_footer  = default_print_section_footer,

  1015.     .print_integer         = default_print_int,

  1016.     .print_string          = default_print_str,

  1017.     .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,

  1018.     .priv_class            = &default_class,

  1019. };

  1020. 

  1021. /* Compact output */

  1022. 

  1023. /**

  1024.  * Apply C-language-like string escaping.

  1025.  */

  1026. static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)

  1027. {

  1028.     const char *p;

  1029. 

  1030.     for (p = src; *p; p++) {

  1031.         switch (*p) {

  1032.         case '\b': av_bprintf(dst, "%s", "\\b");  break;

  1033.         case '\f': av_bprintf(dst, "%s", "\\f");  break;

  1034.         case '\n': av_bprintf(dst, "%s", "\\n");  break;

  1035.         case '\r': av_bprintf(dst, "%s", "\\r");  break;

  1036.         case '\\': av_bprintf(dst, "%s", "\\\\"); break;

  1037.         default:

  1038.             if (*p == sep)

  1039.                 av_bprint_chars(dst, '\\', 1);

  1040.             av_bprint_chars(dst, *p, 1);

  1041.         }

  1042.     }

  1043.     return dst->str;

  1044. }

  1045. 

  1046. /**

  1047.  * Quote fields containing special characters, check RFC4180.

  1048.  */

  1049. static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)

  1050. {

  1051.     char meta_chars[] = { sep, '"', '\n', '\r', '\0' };

  1052.     int needs_quoting = !!src[strcspn(src, meta_chars)];

  1053. 

  1054.     if (needs_quoting)

  1055.         av_bprint_chars(dst, '"', 1);

  1056. 

  1057.     for (; *src; src++) {

  1058.         if (*src == '"')

  1059.             av_bprint_chars(dst, '"', 1);

  1060.         av_bprint_chars(dst, *src, 1);

  1061.     }

  1062.     if (needs_quoting)

  1063.         av_bprint_chars(dst, '"', 1);

  1064.     return dst->str;

  1065. }

  1066. 

  1067. static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)

  1068. {

  1069.     return src;

  1070. }

  1071. 

  1072. typedef struct CompactContext {

  1073.     const AVClass *class;

  1074.     char *item_sep_str;

  1075.     char item_sep;

  1076.     int nokey;

  1077.     int print_section;

  1078.     char *escape_mode_str;

  1079.     const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);

  1080.     int nested_section[SECTION_MAX_NB_LEVELS];

  1081.     int has_nested_elems[SECTION_MAX_NB_LEVELS];

  1082.     int terminate_line[SECTION_MAX_NB_LEVELS];

  1083. } CompactContext;

  1084. 

  1085. #undef OFFSET

  1086. #define OFFSET(x) offsetof(CompactContext, x)

  1087. 

  1088. static const AVOption compact_options[]= {

  1089.     {"item_sep", "set item separator",    OFFSET(item_sep_str),    AV_OPT_TYPE_STRING, {.str="|"},  0, 0 },

  1090.     {"s",        "set item separator",    OFFSET(item_sep_str),    AV_OPT_TYPE_STRING, {.str="|"},  0, 0 },

  1091.     {"nokey",    "force no key printing", OFFSET(nokey),           AV_OPT_TYPE_BOOL,   {.i64=0},    0,        1        },

  1092.     {"nk",       "force no key printing", OFFSET(nokey),           AV_OPT_TYPE_BOOL,   {.i64=0},    0,        1        },

  1093.     {"escape",   "set escape mode",       OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"},  0, 0 },

  1094.     {"e",        "set escape mode",       OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"},  0, 0 },

  1095.     {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },

  1096.     {"p",             "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },

  1097.     {NULL},

  1098. };

  1099. 

  1100. DEFINE_WRITER_CLASS(compact);

  1101. 

  1102. static av_cold int compact_init(WriterContext *wctx)

  1103. {

  1104.     CompactContext *compact = wctx->priv;

  1105. 

  1106.     if (strlen(compact->item_sep_str) != 1) {

  1107.         av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",

  1108.                compact->item_sep_str);

  1109.         return AVERROR(EINVAL);

  1110.     }

  1111.     compact->item_sep = compact->item_sep_str[0];

  1112. 

  1113.     if      (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;

  1114.     else if (!strcmp(compact->escape_mode_str, "c"   )) compact->escape_str = c_escape_str;

  1115.     else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;

  1116.     else {

  1117.         av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);

  1118.         return AVERROR(EINVAL);

  1119.     }

  1120. 

  1121.     return 0;

  1122. }

  1123. 

  1124. static void compact_print_section_header(WriterContext *wctx)

  1125. {

  1126.     CompactContext *compact = wctx->priv;

  1127.     const struct section *section = wctx->section[wctx->level];

  1128.     const struct section *parent_section = wctx->level ?

  1129.         wctx->section[wctx->level-1] : NULL;

  1130.     compact->terminate_line[wctx->level] = 1;

  1131.     compact->has_nested_elems[wctx->level] = 0;

  1132. 

  1133.     av_bprint_clear(&wctx->section_pbuf[wctx->level]);

  1134.     if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&

  1135.         !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {

  1136.         compact->nested_section[wctx->level] = 1;

  1137.         compact->has_nested_elems[wctx->level-1] = 1;

  1138.         av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",

  1139.                    wctx->section_pbuf[wctx->level-1].str,

  1140.                    (char *)av_x_if_null(section->element_name, section->name));

  1141.         wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];

  1142.     } else {

  1143.         if (parent_section && compact->has_nested_elems[wctx->level-1] &&

  1144.             (section->flags & SECTION_FLAG_IS_ARRAY)) {

  1145.             compact->terminate_line[wctx->level-1] = 0;

  1146.             printf("\n");

  1147.         }

  1148.         if (compact->print_section &&

  1149.             !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))

  1150.             printf("%s%c", section->name, compact->item_sep);

  1151.     }

  1152. }

  1153. 

  1154. static void compact_print_section_footer(WriterContext *wctx)

  1155. {

  1156.     CompactContext *compact = wctx->priv;

  1157. 

  1158.     if (!compact->nested_section[wctx->level] &&

  1159.         compact->terminate_line[wctx->level] &&

  1160.         !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))

  1161.         printf("\n");

  1162. }

  1163. 

  1164. static void compact_print_str(WriterContext *wctx, const char *key, const char *value)

  1165. {

  1166.     CompactContext *compact = wctx->priv;

  1167.     AVBPrint buf;

  1168. 

  1169.     if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);

  1170.     if (!compact->nokey)

  1171.         printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);

  1172.     av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);

  1173.     printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));

  1174.     av_bprint_finalize(&buf, NULL);

  1175. }

  1176. 

  1177. static void compact_print_int(WriterContext *wctx, const char *key, long long int value)

  1178. {

  1179.     CompactContext *compact = wctx->priv;

  1180. 

  1181.     if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);

  1182.     if (!compact->nokey)

  1183.         printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);

  1184.     printf("%lld", value);

  1185. }

  1186. 

  1187. static const Writer compact_writer = {

  1188.     .name                 = "compact",

  1189.     .priv_size            = sizeof(CompactContext),

  1190.     .init                 = compact_init,

  1191.     .print_section_header = compact_print_section_header,

  1192.     .print_section_footer = compact_print_section_footer,

  1193.     .print_integer        = compact_print_int,

  1194.     .print_string         = compact_print_str,

  1195.     .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,

  1196.     .priv_class           = &compact_class,

  1197. };

  1198. 

  1199. /* CSV output */

  1200. 

  1201. #undef OFFSET

  1202. #define OFFSET(x) offsetof(CompactContext, x)

  1203. 

  1204. static const AVOption csv_options[] = {

  1205.     {"item_sep", "set item separator",    OFFSET(item_sep_str),    AV_OPT_TYPE_STRING, {.str=","},  0, 0 },

  1206.     {"s",        "set item separator",    OFFSET(item_sep_str),    AV_OPT_TYPE_STRING, {.str=","},  0, 0 },

  1207.     {"nokey",    "force no key printing", OFFSET(nokey),           AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },

  1208.     {"nk",       "force no key printing", OFFSET(nokey),           AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },

  1209.     {"escape",   "set escape mode",       OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },

  1210.     {"e",        "set escape mode",       OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },

  1211.     {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },

  1212.     {"p",             "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL,   {.i64=1},    0,        1        },

  1213.     {NULL},

  1214. };

  1215. 

  1216. DEFINE_WRITER_CLASS(csv);

  1217. 

  1218. static const Writer csv_writer = {

  1219.     .name                 = "csv",

  1220.     .priv_size            = sizeof(CompactContext),

  1221.     .init                 = compact_init,

  1222.     .print_section_header = compact_print_section_header,

  1223.     .print_section_footer = compact_print_section_footer,

  1224.     .print_integer        = compact_print_int,

  1225.     .print_string         = compact_print_str,

  1226.     .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,

  1227.     .priv_class           = &csv_class,

  1228. };

  1229. 

  1230. /* Flat output */

  1231. 

  1232. typedef struct FlatContext {

  1233.     const AVClass *class;

  1234.     const char *sep_str;

  1235.     char sep;

  1236.     int hierarchical;

  1237. } FlatContext;

  1238. 

  1239. #undef OFFSET

  1240. #define OFFSET(x) offsetof(FlatContext, x)

  1241. 

  1242. static const AVOption flat_options[]= {

  1243.     {"sep_char", "set separator",    OFFSET(sep_str),    AV_OPT_TYPE_STRING, {.str="."},  0, 0 },

  1244.     {"s",        "set separator",    OFFSET(sep_str),    AV_OPT_TYPE_STRING, {.str="."},  0, 0 },

  1245.     {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },

  1246.     {"h",            "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },

  1247.     {NULL},

  1248. };

  1249. 

  1250. DEFINE_WRITER_CLASS(flat);

  1251. 

  1252. static av_cold int flat_init(WriterContext *wctx)

  1253. {

  1254.     FlatContext *flat = wctx->priv;

  1255. 

  1256.     if (strlen(flat->sep_str) != 1) {

  1257.         av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",

  1258.                flat->sep_str);

  1259.         return AVERROR(EINVAL);

  1260.     }

  1261.     flat->sep = flat->sep_str[0];

  1262. 

  1263.     return 0;

  1264. }

  1265. 

  1266. static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)

  1267. {

  1268.     const char *p;

  1269. 

  1270.     for (p = src; *p; p++) {

  1271.         if (!((*p >= '0' && *p <= '9') ||

  1272.               (*p >= 'a' && *p <= 'z') ||

  1273.               (*p >= 'A' && *p <= 'Z')))

  1274.             av_bprint_chars(dst, '_', 1);

  1275.         else

  1276.             av_bprint_chars(dst, *p, 1);

  1277.     }

  1278.     return dst->str;

  1279. }

  1280. 

  1281. static const char *flat_escape_value_str(AVBPrint *dst, const char *src)

  1282. {

  1283.     const char *p;

  1284. 

  1285.     for (p = src; *p; p++) {

  1286.         switch (*p) {

  1287.         case '\n': av_bprintf(dst, "%s", "\\n");  break;

  1288.         case '\r': av_bprintf(dst, "%s", "\\r");  break;

  1289.         case '\\': av_bprintf(dst, "%s", "\\\\"); break;

  1290.         case '"':  av_bprintf(dst, "%s", "\\\""); break;

  1291.         case '`':  av_bprintf(dst, "%s", "\\`");  break;

  1292.         case '$':  av_bprintf(dst, "%s", "\\$");  break;

  1293.         default:   av_bprint_chars(dst, *p, 1);   break;

  1294.         }

  1295.     }

  1296.     return dst->str;

  1297. }

  1298. 

  1299. static void flat_print_section_header(WriterContext *wctx)

  1300. {

  1301.     FlatContext *flat = wctx->priv;

  1302.     AVBPrint *buf = &wctx->section_pbuf[wctx->level];

  1303.     const struct section *section = wctx->section[wctx->level];

  1304.     const struct section *parent_section = wctx->level ?

  1305.         wctx->section[wctx->level-1] : NULL;

  1306. 

  1307.     /* build section header */

  1308.     av_bprint_clear(buf);

  1309.     if (!parent_section)

  1310.         return;

  1311.     av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);

  1312. 

  1313.     if (flat->hierarchical ||

  1314.         !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {

  1315.         av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);

  1316. 

  1317.         if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {

  1318.             int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?

  1319.                 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];

  1320.             av_bprintf(buf, "%d%s", n, flat->sep_str);

  1321.         }

  1322.     }

  1323. }

  1324. 

  1325. static void flat_print_int(WriterContext *wctx, const char *key, long long int value)

  1326. {

  1327.     printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);

  1328. }

  1329. 

  1330. static void flat_print_str(WriterContext *wctx, const char *key, const char *value)

  1331. {

  1332.     FlatContext *flat = wctx->priv;

  1333.     AVBPrint buf;

  1334. 

  1335.     printf("%s", wctx->section_pbuf[wctx->level].str);

  1336.     av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);

  1337.     printf("%s=", flat_escape_key_str(&buf, key, flat->sep));

  1338.     av_bprint_clear(&buf);

  1339.     printf("\"%s\"\n", flat_escape_value_str(&buf, value));

  1340.     av_bprint_finalize(&buf, NULL);

  1341. }

  1342. 

  1343. static const Writer flat_writer = {

  1344.     .name                  = "flat",

  1345.     .priv_size             = sizeof(FlatContext),

  1346.     .init                  = flat_init,

  1347.     .print_section_header  = flat_print_section_header,

  1348.     .print_integer         = flat_print_int,

  1349.     .print_string          = flat_print_str,

  1350.     .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,

  1351.     .priv_class            = &flat_class,

  1352. };

  1353. 

  1354. /* INI format output */

  1355. 

  1356. typedef struct INIContext {

  1357.     const AVClass *class;

  1358.     int hierarchical;

  1359. } INIContext;

  1360. 

  1361. #undef OFFSET

  1362. #define OFFSET(x) offsetof(INIContext, x)

  1363. 

  1364. static const AVOption ini_options[] = {

  1365.     {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },

  1366.     {"h",            "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },

  1367.     {NULL},

  1368. };

  1369. 

  1370. DEFINE_WRITER_CLASS(ini);

  1371. 

  1372. static char *ini_escape_str(AVBPrint *dst, const char *src)

  1373. {

  1374.     int i = 0;

  1375.     char c = 0;

  1376. 

  1377.     while (c = src[i++]) {

  1378.         switch (c) {

  1379.         case '\b': av_bprintf(dst, "%s", "\\b"); break;

  1380.         case '\f': av_bprintf(dst, "%s", "\\f"); break;

  1381.         case '\n': av_bprintf(dst, "%s", "\\n"); break;

  1382.         case '\r': av_bprintf(dst, "%s", "\\r"); break;

  1383.         case '\t': av_bprintf(dst, "%s", "\\t"); break;

  1384.         case '\\':

  1385.         case '#' :

  1386.         case '=' :

  1387.         case ':' : av_bprint_chars(dst, '\\', 1);

  1388.         default:

  1389.             if ((unsigned char)c < 32)

  1390.                 av_bprintf(dst, "\\x00%02x", c & 0xff);

  1391.             else

  1392.                 av_bprint_chars(dst, c, 1);

  1393.             break;

  1394.         }

  1395.     }

  1396.     return dst->str;

  1397. }

  1398. 

  1399. static void ini_print_section_header(WriterContext *wctx)

  1400. {

  1401.     INIContext *ini = wctx->priv;

  1402.     AVBPrint *buf = &wctx->section_pbuf[wctx->level];

  1403.     const struct section *section = wctx->section[wctx->level];

  1404.     const struct section *parent_section = wctx->level ?

  1405.         wctx->section[wctx->level-1] : NULL;

  1406. 

  1407.     av_bprint_clear(buf);

  1408.     if (!parent_section) {

  1409.         printf("# ffprobe output\n\n");

  1410.         return;

  1411.     }

  1412. 

  1413.     if (wctx->nb_item[wctx->level-1])

  1414.         printf("\n");

  1415. 

  1416.     av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);

  1417.     if (ini->hierarchical ||

  1418.         !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {

  1419.         av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);

  1420. 

  1421.         if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {

  1422.             int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?

  1423.                 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];

  1424.             av_bprintf(buf, ".%d", n);

  1425.         }

  1426.     }

  1427. 

  1428.     if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))

  1429.         printf("[%s]\n", buf->str);

  1430. }

  1431. 

  1432. static void ini_print_str(WriterContext *wctx, const char *key, const char *value)

  1433. {

  1434.     AVBPrint buf;

  1435. 

  1436.     av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);

  1437.     printf("%s=", ini_escape_str(&buf, key));

  1438.     av_bprint_clear(&buf);

  1439.     printf("%s\n", ini_escape_str(&buf, value));

  1440.     av_bprint_finalize(&buf, NULL);

  1441. }

  1442. 

  1443. static void ini_print_int(WriterContext *wctx, const char *key, long long int value)

  1444. {

  1445.     printf("%s=%lld\n", key, value);

  1446. }

  1447. 

  1448. static const Writer ini_writer = {

  1449.     .name                  = "ini",

  1450.     .priv_size             = sizeof(INIContext),

  1451.     .print_section_header  = ini_print_section_header,

  1452.     .print_integer         = ini_print_int,

  1453.     .print_string          = ini_print_str,

  1454.     .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,

  1455.     .priv_class            = &ini_class,

  1456. };

  1457. 

  1458. /* JSON output */

  1459. 

  1460. typedef struct JSONContext {

  1461.     const AVClass *class;

  1462.     int indent_level;

  1463.     int compact;

  1464.     const char *item_sep, *item_start_end;

  1465. } JSONContext;

  1466. 

  1467. #undef OFFSET

  1468. #define OFFSET(x) offsetof(JSONContext, x)

  1469. 

  1470. static const AVOption json_options[]= {

  1471.     { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },

  1472.     { "c",       "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },

  1473.     { NULL }

  1474. };

  1475. 

  1476. DEFINE_WRITER_CLASS(json);

  1477. 

  1478. static av_cold int json_init(WriterContext *wctx)

  1479. {

  1480.     JSONContext *json = wctx->priv;

  1481. 

  1482.     json->item_sep       = json->compact ? ", " : ",\n";

  1483.     json->item_start_end = json->compact ? " "  : "\n";

  1484. 

  1485.     return 0;

  1486. }

  1487. 

  1488. static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)

  1489. {

  1490.     static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};

  1491.     static const char json_subst[]  = {'"', '\\',  'b',  'f',  'n',  'r',  't', 0};

  1492.     const char *p;

  1493. 

  1494.     for (p = src; *p; p++) {

  1495.         char *s = strchr(json_escape, *p);

  1496.         if (s) {

  1497.             av_bprint_chars(dst, '\\', 1);

  1498.             av_bprint_chars(dst, json_subst[s - json_escape], 1);

  1499.         } else if ((unsigned char)*p < 32) {

  1500.             av_bprintf(dst, "\\u00%02x", *p & 0xff);

  1501.         } else {

  1502.             av_bprint_chars(dst, *p, 1);

  1503.         }

  1504.     }

  1505.     return dst->str;

  1506. }

  1507. 

  1508. #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')

  1509. 

  1510. static void json_print_section_header(WriterContext *wctx)

  1511. {

  1512.     JSONContext *json = wctx->priv;

  1513.     AVBPrint buf;

  1514.     const struct section *section = wctx->section[wctx->level];

  1515.     const struct section *parent_section = wctx->level ?

  1516.         wctx->section[wctx->level-1] : NULL;

  1517. 

  1518.     if (wctx->level && wctx->nb_item[wctx->level-1])

  1519.         printf(",\n");

  1520. 

  1521.     if (section->flags & SECTION_FLAG_IS_WRAPPER) {

  1522.         printf("{\n");

  1523.         json->indent_level++;

  1524.     } else {

  1525.         av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);

  1526.         json_escape_str(&buf, section->name, wctx);

  1527.         JSON_INDENT();

  1528. 

  1529.         json->indent_level++;

  1530.         if (section->flags & SECTION_FLAG_IS_ARRAY) {

  1531.             printf("\"%s\": [\n", buf.str);

  1532.         } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {

  1533.             printf("\"%s\": {%s", buf.str, json->item_start_end);

  1534.         } else {

  1535.             printf("{%s", json->item_start_end);

  1536. 

  1537.             /* this is required so the parser can distinguish between packets and frames */

  1538.             if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {

  1539.                 if (!json->compact)

  1540.                     JSON_INDENT();

  1541.                 printf("\"type\": \"%s\"", section->name);

  1542.             }

  1543.         }

  1544.         av_bprint_finalize(&buf, NULL);

  1545.     }

  1546. }

  1547. 

  1548. static void json_print_section_footer(WriterContext *wctx)

  1549. {

  1550.     JSONContext *json = wctx->priv;

  1551.     const struct section *section = wctx->section[wctx->level];

  1552. 

  1553.     if (wctx->level == 0) {

  1554.         json->indent_level--;

  1555.         printf("\n}\n");

  1556.     } else if (section->flags & SECTION_FLAG_IS_ARRAY) {

  1557.         printf("\n");

  1558.         json->indent_level--;

  1559.         JSON_INDENT();

  1560.         printf("]");

  1561.     } else {

  1562.         printf("%s", json->item_start_end);

  1563.         json->indent_level--;

  1564.         if (!json->compact)

  1565.             JSON_INDENT();

  1566.         printf("}");

  1567.     }

  1568. }

  1569. 

  1570. static inline void json_print_item_str(WriterContext *wctx,

  1571.                                        const char *key, const char *value)

  1572. {

  1573.     AVBPrint buf;

  1574. 

  1575.     av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);

  1576.     printf("\"%s\":", json_escape_str(&buf, key,   wctx));

  1577.     av_bprint_clear(&buf);

  1578.     printf(" \"%s\"", json_escape_str(&buf, value, wctx));

  1579.     av_bprint_finalize(&buf, NULL);

  1580. }

  1581. 

  1582. static void json_print_str(WriterContext *wctx, const char *key, const char *value)

  1583. {

  1584.     JSONContext *json = wctx->priv;

  1585.     const struct section *parent_section = wctx->level ?

  1586.         wctx->section[wctx->level-1] : NULL;

  1587. 

  1588.     if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))

  1589.         printf("%s", json->item_sep);

  1590.     if (!json->compact)

  1591.         JSON_INDENT();

  1592.     json_print_item_str(wctx, key, value);

  1593. }

  1594. 

  1595. static void json_print_int(WriterContext *wctx, const char *key, long long int value)

  1596. {

  1597.     JSONContext *json = wctx->priv;

  1598.     const struct section *parent_section = wctx->level ?

  1599.         wctx->section[wctx->level-1] : NULL;

  1600.     AVBPrint buf;

  1601. 

  1602.     if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))

  1603.         printf("%s", json->item_sep);

  1604.     if (!json->compact)

  1605.         JSON_INDENT();

  1606. 

  1607.     av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);

  1608.     printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);

  1609.     av_bprint_finalize(&buf, NULL);

  1610. }

  1611. 

  1612. static const Writer json_writer = {

  1613.     .name                 = "json",

  1614.     .priv_size            = sizeof(JSONContext),

  1615.     .init                 = json_init,

  1616.     .print_section_header = json_print_section_header,

  1617.     .print_section_footer = json_print_section_footer,

  1618.     .print_integer        = json_print_int,

  1619.     .print_string         = json_print_str,

  1620.     .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,

  1621.     .priv_class           = &json_class,

  1622. };

  1623. 

  1624. /* XML output */

  1625. 

  1626. typedef struct XMLContext {

  1627.     const AVClass *class;

  1628.     int within_tag;

  1629.     int indent_level;

  1630.     int fully_qualified;

  1631.     int xsd_strict;

  1632. } XMLContext;

  1633. 

  1634. #undef OFFSET

  1635. #define OFFSET(x) offsetof(XMLContext, x)

  1636. 

  1637. static const AVOption xml_options[] = {

  1638.     {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0},  0, 1 },

  1639.     {"q",               "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0},  0, 1 },

  1640.     {"xsd_strict",      "ensure that the output is XSD compliant",         OFFSET(xsd_strict),      AV_OPT_TYPE_BOOL, {.i64=0},  0, 1 },

  1641.     {"x",               "ensure that the output is XSD compliant",         OFFSET(xsd_strict),      AV_OPT_TYPE_BOOL, {.i64=0},  0, 1 },

  1642.     {NULL},

  1643. };

  1644. 

  1645. DEFINE_WRITER_CLASS(xml);

  1646. 

  1647. static av_cold int xml_init(WriterContext *wctx)

  1648. {

  1649.     XMLContext *xml = wctx->priv;

  1650. 

  1651.     if (xml->xsd_strict) {

  1652.         xml->fully_qualified = 1;

  1653. #define CHECK_COMPLIANCE(opt, opt_name)                                 \

  1654.         if (opt) {                                                      \

  1655.             av_log(wctx, AV_LOG_ERROR,                                  \

  1656.                    "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \

  1657.                    "You need to disable such option with '-no%s'\n", opt_name, opt_name); \

  1658.             return AVERROR(EINVAL);                                     \

  1659.         }

  1660.         CHECK_COMPLIANCE(show_private_data, "private");

  1661.         CHECK_COMPLIANCE(show_value_unit,   "unit");

  1662.         CHECK_COMPLIANCE(use_value_prefix,  "prefix");

  1663.     }

  1664. 

  1665.     return 0;

  1666. }

  1667. 

  1668. #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')

  1669. 

  1670. static void xml_print_section_header(WriterContext *wctx)

  1671. {

  1672.     XMLContext *xml = wctx->priv;

  1673.     const struct section *section = wctx->section[wctx->level];

  1674.     const struct section *parent_section = wctx->level ?

  1675.         wctx->section[wctx->level-1] : NULL;

  1676. 

  1677.     if (wctx->level == 0) {

  1678.         const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "

  1679.             "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "

  1680.             "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";

  1681. 

  1682.         printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

  1683.         printf("<%sffprobe%s>\n",

  1684.                xml->fully_qualified ? "ffprobe:" : "",

  1685.                xml->fully_qualified ? qual : "");

  1686.         return;

  1687.     }

  1688. 

  1689.     if (xml->within_tag) {

  1690.         xml->within_tag = 0;

  1691.         printf(">\n");

  1692.     }

  1693.     if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {

  1694.         xml->indent_level++;

  1695.     } else {

  1696.         if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&

  1697.             wctx->level && wctx->nb_item[wctx->level-1])

  1698.             printf("\n");

  1699.         xml->indent_level++;

  1700. 

  1701.         if (section->flags & SECTION_FLAG_IS_ARRAY) {

  1702.             XML_INDENT(); printf("<%s>\n", section->name);

  1703.         } else {

  1704.             XML_INDENT(); printf("<%s ", section->name);

  1705.             xml->within_tag = 1;

  1706.         }

  1707.     }

  1708. }

  1709. 

  1710. static void xml_print_section_footer(WriterContext *wctx)

  1711. {

  1712.     XMLContext *xml = wctx->priv;

  1713.     const struct section *section = wctx->section[wctx->level];

  1714. 

  1715.     if (wctx->level == 0) {

  1716.         printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");

  1717.     } else if (xml->within_tag) {

  1718.         xml->within_tag = 0;

  1719.         printf("/>\n");

  1720.         xml->indent_level--;

  1721.     } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {

  1722.         xml->indent_level--;

  1723.     } else {

  1724.         XML_INDENT(); printf("</%s>\n", section->name);

  1725.         xml->indent_level--;

  1726.     }

  1727. }

  1728. 

  1729. static void xml_print_str(WriterContext *wctx, const char *key, const char *value)

  1730. {

  1731.     AVBPrint buf;

  1732.     XMLContext *xml = wctx->priv;

  1733.     const struct section *section = wctx->section[wctx->level];

  1734. 

  1735.     av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);

  1736. 

  1737.     if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {

  1738.         XML_INDENT();

  1739.         av_bprint_escape(&buf, key, NULL,

  1740.                          AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);

  1741.         printf("<%s key=\"%s\"",

  1742.                section->element_name, buf.str);

  1743.         av_bprint_clear(&buf);

  1744. 

  1745.         av_bprint_escape(&buf, value, NULL,

  1746.                          AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);

  1747.         printf(" value=\"%s\"/>\n", buf.str);

  1748.     } else {

  1749.         if (wctx->nb_item[wctx->level])

  1750.             printf(" ");

  1751. 

  1752.         av_bprint_escape(&buf, value, NULL,

  1753.                          AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);

  1754.         printf("%s=\"%s\"", key, buf.str);

  1755.     }

  1756. 

  1757.     av_bprint_finalize(&buf, NULL);

  1758. }

  1759. 

  1760. static void xml_print_int(WriterContext *wctx, const char *key, long long int value)

  1761. {

  1762.     if (wctx->nb_item[wctx->level])

  1763.         printf(" ");

  1764.     printf("%s=\"%lld\"", key, value);

  1765. }

  1766. 

  1767. static Writer xml_writer = {

  1768.     .name                 = "xml",

  1769.     .priv_size            = sizeof(XMLContext),

  1770.     .init                 = xml_init,

  1771.     .print_section_header = xml_print_section_header,

  1772.     .print_section_footer = xml_print_section_footer,

  1773.     .print_integer        = xml_print_int,

  1774.     .print_string         = xml_print_str,

  1775.     .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,

  1776.     .priv_class           = &xml_class,

  1777. };

  1778. 

  1779. static void writer_register_all(void)

  1780. {

  1781.     static int initialized;

  1782. 

  1783.     if (initialized)

  1784.         return;

  1785.     initialized = 1;

  1786. 

  1787.     writer_register(&default_writer);

  1788.     writer_register(&compact_writer);

  1789.     writer_register(&csv_writer);

  1790.     writer_register(&flat_writer);

  1791.     writer_register(&ini_writer);

  1792.     writer_register(&json_writer);

  1793.     writer_register(&xml_writer);

  1794. }

  1795. 

  1796. #define print_fmt(k, f, ...) do {              \

  1797.     av_bprint_clear(&pbuf);                    \

  1798.     av_bprintf(&pbuf, f, __VA_ARGS__);         \

  1799.     writer_print_string(w, k, pbuf.str, 0);    \

  1800. } while (0)

  1801. 

  1802. #define print_int(k, v)         writer_print_integer(w, k, v)

  1803. #define print_q(k, v, s)        writer_print_rational(w, k, v, s)

  1804. #define print_str(k, v)         writer_print_string(w, k, v, 0)

  1805. #define print_str_opt(k, v)     writer_print_string(w, k, v, PRINT_STRING_OPT)

  1806. #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)

  1807. #define print_time(k, v, tb)    writer_print_time(w, k, v, tb, 0)

  1808. #define print_ts(k, v)          writer_print_ts(w, k, v, 0)

  1809. #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)

  1810. #define print_duration_ts(k, v)       writer_print_ts(w, k, v, 1)

  1811. #define print_val(k, v, u) do {                                     \

  1812.     struct unit_value uv;                                           \

  1813.     uv.val.i = v;                                                   \

  1814.     uv.unit = u;                                                    \

  1815.     writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \

  1816. } while (0)

  1817. 

  1818. #define print_section_header(s) writer_print_section_header(w, s)

  1819. #define print_section_footer(s) writer_print_section_footer(w, s)

  1820. 

  1821. #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n)                        \

  1822. {                                                                       \

  1823.     ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr)));           \

  1824.     if (ret < 0)                                                        \

  1825.         goto end;                                                       \

  1826.     memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \

  1827. }

  1828. 

  1829. static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)

  1830. {

  1831.     AVDictionaryEntry *tag = NULL;

  1832.     int ret = 0;

  1833. 

  1834.     if (!tags)

  1835.         return 0;

  1836.     writer_print_section_header(w, section_id);

  1837. 

  1838.     while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {

  1839.         if ((ret = print_str_validate(tag->key, tag->value)) < 0)

  1840.             break;

  1841.     }

  1842.     writer_print_section_footer(w);

  1843. 

  1844.     return ret;

  1845. }

  1846. 

  1847. static void print_dynamic_hdr10_plus(WriterContext *w, const AVDynamicHDRPlus *metadata)

  1848. {

  1849.     if (!metadata)

  1850.         return;

  1851.     print_int("application version", metadata->application_version);

  1852.     print_int("num_windows", metadata->num_windows);

  1853.     for (int n = 1; n < metadata->num_windows; n++) {

  1854.         const AVHDRPlusColorTransformParams *params = &metadata->params[n];

  1855.         print_q("window_upper_left_corner_x",

  1856.                 params->window_upper_left_corner_x,'/');

  1857.         print_q("window_upper_left_corner_y",

  1858.                 params->window_upper_left_corner_y,'/');

  1859.         print_q("window_lower_right_corner_x",

  1860.                 params->window_lower_right_corner_x,'/');

  1861.         print_q("window_lower_right_corner_y",

  1862.                 params->window_lower_right_corner_y,'/');

  1863.         print_q("window_upper_left_corner_x",

  1864.                 params->window_upper_left_corner_x,'/');

  1865.         print_q("window_upper_left_corner_y",

  1866.                 params->window_upper_left_corner_y,'/');

  1867.         print_int("center_of_ellipse_x",

  1868.                   params->center_of_ellipse_x ) ;

  1869.         print_int("center_of_ellipse_y",

  1870.                   params->center_of_ellipse_y );

  1871.         print_int("rotation_angle",

  1872.                   params->rotation_angle);

  1873.         print_int("semimajor_axis_internal_ellipse",

  1874.                   params->semimajor_axis_internal_ellipse);

  1875.         print_int("semimajor_axis_external_ellipse",

  1876.                   params->semimajor_axis_external_ellipse);

  1877.         print_int("semiminor_axis_external_ellipse",

  1878.                   params->semiminor_axis_external_ellipse);

  1879.         print_int("overlap_process_option",

  1880.                   params->overlap_process_option);

  1881.     }

  1882.     print_q("targeted_system_display_maximum_luminance",

  1883.             metadata->targeted_system_display_maximum_luminance,'/');

  1884.     if (metadata->targeted_system_display_actual_peak_luminance_flag) {

  1885.         print_int("num_rows_targeted_system_display_actual_peak_luminance",

  1886.                   metadata->num_rows_targeted_system_display_actual_peak_luminance);

  1887.         print_int("num_cols_targeted_system_display_actual_peak_luminance",

  1888.                   metadata->num_cols_targeted_system_display_actual_peak_luminance);

  1889.         for (int i = 0; i < metadata->num_rows_targeted_system_display_actual_peak_luminance; i++) {

  1890.             for (int j = 0; j < metadata->num_cols_targeted_system_display_actual_peak_luminance; j++) {

  1891.                 print_q("targeted_system_display_actual_peak_luminance",

  1892.                         metadata->targeted_system_display_actual_peak_luminance[i][j],'/');

  1893.             }

  1894.         }

  1895.     }

  1896.     for (int n = 0; n < metadata->num_windows; n++) {

  1897.         const AVHDRPlusColorTransformParams *params = &metadata->params[n];

  1898.         for (int i = 0; i < 3; i++) {

  1899.             print_q("maxscl",params->maxscl[i],'/');

  1900.         }

  1901.         print_q("average_maxrgb",

  1902.                 params->average_maxrgb,'/');

  1903.         print_int("num_distribution_maxrgb_percentiles",

  1904.                   params->num_distribution_maxrgb_percentiles);

  1905.         for (int i = 0; i < params->num_distribution_maxrgb_percentiles; i++) {

  1906.             print_int("distribution_maxrgb_percentage",

  1907.                       params->distribution_maxrgb[i].percentage);

  1908.             print_q("distribution_maxrgb_percentile",

  1909.                     params->distribution_maxrgb[i].percentile,'/');

  1910.         }

  1911.         print_q("fraction_bright_pixels",

  1912.                 params->fraction_bright_pixels,'/');

  1913.     }

  1914.     if (metadata->mastering_display_actual_peak_luminance_flag) {

  1915.         print_int("num_rows_mastering_display_actual_peak_luminance",

  1916.                   metadata->num_rows_mastering_display_actual_peak_luminance);

  1917.         print_int("num_cols_mastering_display_actual_peak_luminance",

  1918.                   metadata->num_cols_mastering_display_actual_peak_luminance);

  1919.         for (int i = 0; i < metadata->num_rows_mastering_display_actual_peak_luminance; i++) {

  1920.             for (int j = 0; j <  metadata->num_cols_mastering_display_actual_peak_luminance; j++) {

  1921.                 print_q("mastering_display_actual_peak_luminance",

  1922.                         metadata->mastering_display_actual_peak_luminance[i][j],'/');

  1923.             }

  1924.         }

  1925.     }

  1926. 

  1927.     for (int n = 0; n < metadata->num_windows; n++) {

  1928.         const AVHDRPlusColorTransformParams *params = &metadata->params[n];

  1929.         if (params->tone_mapping_flag) {

  1930.             print_q("knee_point_x", params->knee_point_x,'/');

  1931.             print_q("knee_point_y", params->knee_point_y,'/');

  1932.             print_int("num_bezier_curve_anchors",

  1933.                       params->num_bezier_curve_anchors );

  1934.             for (int i = 0; i < params->num_bezier_curve_anchors; i++) {

  1935.                 print_q("bezier_curve_anchors",

  1936.                         params->bezier_curve_anchors[i],'/');

  1937.             }

  1938.         }

  1939.         if (params->color_saturation_mapping_flag) {

  1940.             print_q("color_saturation_weight",

  1941.                     params->color_saturation_weight,'/');

  1942.         }

  1943.     }

  1944. }

  1945. 

  1946. static void print_pkt_side_data(WriterContext *w,

  1947.                                 AVCodecParameters *par,

  1948.                                 const AVPacketSideData *side_data,

  1949.                                 int nb_side_data,

  1950.                                 SectionID id_data_list,

  1951.                                 SectionID id_data)

  1952. {

  1953.     int i;

  1954. 

  1955.     writer_print_section_header(w, id_data_list);

  1956.     for (i = 0; i < nb_side_data; i++) {

  1957.         const AVPacketSideData *sd = &side_data[i];

  1958.         const char *name = av_packet_side_data_name(sd->type);

  1959. 

  1960.         writer_print_section_header(w, id_data);

  1961.         print_str("side_data_type", name ? name : "unknown");

  1962.         if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {

  1963.             writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);

  1964.             print_int("rotation", av_display_rotation_get((int32_t *)sd->data));

  1965.         } else if (sd->type == AV_PKT_DATA_STEREO3D) {

  1966.             const AVStereo3D *stereo = (AVStereo3D *)sd->data;

  1967.             print_str("type", av_stereo3d_type_name(stereo->type));

  1968.             print_int("inverted", !!(stereo->flags & AV_STEREO3D_FLAG_INVERT));

  1969.         } else if (sd->type == AV_PKT_DATA_SPHERICAL) {

  1970.             const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;

  1971.             print_str("projection", av_spherical_projection_name(spherical->projection));

  1972.             if (spherical->projection == AV_SPHERICAL_CUBEMAP) {

  1973.                 print_int("padding", spherical->padding);

  1974.             } else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {

  1975.                 size_t l, t, r, b;

  1976.                 av_spherical_tile_bounds(spherical, par->width, par->height,

  1977.                                          &l, &t, &r, &b);

  1978.                 print_int("bound_left", l);

  1979.                 print_int("bound_top", t);

  1980.                 print_int("bound_right", r);

  1981.                 print_int("bound_bottom", b);

  1982.             }

  1983. 

  1984.             print_int("yaw", (double) spherical->yaw / (1 << 16));

  1985.             print_int("pitch", (double) spherical->pitch / (1 << 16));

  1986.             print_int("roll", (double) spherical->roll / (1 << 16));

  1987.         } else if (sd->type == AV_PKT_DATA_SKIP_SAMPLES && sd->size == 10) {

  1988.             print_int("skip_samples",    AV_RL32(sd->data));

  1989.             print_int("discard_padding", AV_RL32(sd->data + 4));

  1990.             print_int("skip_reason",     AV_RL8(sd->data + 8));

  1991.             print_int("discard_reason",  AV_RL8(sd->data + 9));

  1992.         } else if (sd->type == AV_PKT_DATA_MASTERING_DISPLAY_METADATA) {

  1993.             AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;

  1994. 

  1995.             if (metadata->has_primaries) {

  1996.                 print_q("red_x", metadata->display_primaries[0][0], '/');

  1997.                 print_q("red_y", metadata->display_primaries[0][1], '/');

  1998.                 print_q("green_x", metadata->display_primaries[1][0], '/');

  1999.                 print_q("green_y", metadata->display_primaries[1][1], '/');

  2000.                 print_q("blue_x", metadata->display_primaries[2][0], '/');

  2001.                 print_q("blue_y", metadata->display_primaries[2][1], '/');

  2002. 

  2003.                 print_q("white_point_x", metadata->white_point[0], '/');

  2004.                 print_q("white_point_y", metadata->white_point[1], '/');

  2005.             }

  2006. 

  2007.             if (metadata->has_luminance) {

  2008.                 print_q("min_luminance", metadata->min_luminance, '/');

  2009.                 print_q("max_luminance", metadata->max_luminance, '/');

  2010.             }

  2011.         } else if (sd->type == AV_PKT_DATA_CONTENT_LIGHT_LEVEL) {

  2012.             AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;

  2013.             print_int("max_content", metadata->MaxCLL);

  2014.             print_int("max_average", metadata->MaxFALL);

  2015.         } else if (sd->type == AV_PKT_DATA_DOVI_CONF) {

  2016.             AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)sd->data;

  2017.             print_int("dv_version_major", dovi->dv_version_major);

  2018.             print_int("dv_version_minor", dovi->dv_version_minor);

  2019.             print_int("dv_profile", dovi->dv_profile);

  2020.             print_int("dv_level", dovi->dv_level);

  2021.             print_int("rpu_present_flag", dovi->rpu_present_flag);

  2022.             print_int("el_present_flag", dovi->el_present_flag);

  2023.             print_int("bl_present_flag", dovi->bl_present_flag);

  2024.             print_int("dv_bl_signal_compatibility_id", dovi->dv_bl_signal_compatibility_id);

  2025.         }

  2026.         writer_print_section_footer(w);

  2027.     }

  2028.     writer_print_section_footer(w);

  2029. }

  2030. 

  2031. static void print_color_range(WriterContext *w, enum AVColorRange color_range)

  2032. {

  2033.     const char *val = av_color_range_name(color_range);

  2034.     if (!val || color_range == AVCOL_RANGE_UNSPECIFIED) {

  2035.         print_str_opt("color_range", "unknown");

  2036.     } else {

  2037.         print_str("color_range", val);

  2038.     }

  2039. }

  2040. 

  2041. static void print_color_space(WriterContext *w, enum AVColorSpace color_space)

  2042. {

  2043.     const char *val = av_color_space_name(color_space);

  2044.     if (!val || color_space == AVCOL_SPC_UNSPECIFIED) {

  2045.         print_str_opt("color_space", "unknown");

  2046.     } else {

  2047.         print_str("color_space", val);

  2048.     }

  2049. }

  2050. 

  2051. static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries)

  2052. {

  2053.     const char *val = av_color_primaries_name(color_primaries);

  2054.     if (!val || color_primaries == AVCOL_PRI_UNSPECIFIED) {

  2055.         print_str_opt("color_primaries", "unknown");

  2056.     } else {

  2057.         print_str("color_primaries", val);

  2058.     }

  2059. }

  2060. 

  2061. static void print_color_trc(WriterContext *w, enum AVColorTransferCharacteristic color_trc)

  2062. {

  2063.     const char *val = av_color_transfer_name(color_trc);

  2064.     if (!val || color_trc == AVCOL_TRC_UNSPECIFIED) {

  2065.         print_str_opt("color_transfer", "unknown");

  2066.     } else {

  2067.         print_str("color_transfer", val);

  2068.     }

  2069. }

  2070. 

  2071. static void print_chroma_location(WriterContext *w, enum AVChromaLocation chroma_location)

  2072. {

  2073.     const char *val = av_chroma_location_name(chroma_location);

  2074.     if (!val || chroma_location == AVCHROMA_LOC_UNSPECIFIED) {

  2075.         print_str_opt("chroma_location", "unspecified");

  2076.     } else {

  2077.         print_str("chroma_location", val);

  2078.     }

  2079. }

  2080. 

  2081. 

  2082. static void clear_log(int need_lock)

  2083. {

  2084.     int i;

  2085. 

  2086.     if (need_lock)

  2087.         pthread_mutex_lock(&log_mutex);

  2088.     for (i=0; i<log_buffer_size; i++) {

  2089.         av_freep(&log_buffer[i].context_name);

  2090.         av_freep(&log_buffer[i].parent_name);

  2091.         av_freep(&log_buffer[i].log_message);

  2092.     }

  2093.     log_buffer_size = 0;

  2094.     if(need_lock)

  2095.         pthread_mutex_unlock(&log_mutex);

  2096. }

  2097. 

  2098. static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)

  2099. {

  2100.     int i;

  2101.     pthread_mutex_lock(&log_mutex);

  2102.     if (!log_buffer_size) {

  2103.         pthread_mutex_unlock(&log_mutex);

  2104.         return 0;

  2105.     }

  2106.     writer_print_section_header(w, section_ids);

  2107. 

  2108.     for (i=0; i<log_buffer_size; i++) {

  2109.         if (log_buffer[i].log_level <= log_level) {

  2110.             writer_print_section_header(w, section_id);

  2111.             print_str("context", log_buffer[i].context_name);

  2112.             print_int("level", log_buffer[i].log_level);

  2113.             print_int("category", log_buffer[i].category);

  2114.             if (log_buffer[i].parent_name) {

  2115.                 print_str("parent_context", log_buffer[i].parent_name);

  2116.                 print_int("parent_category", log_buffer[i].parent_category);

  2117.             } else {

  2118.                 print_str_opt("parent_context", "N/A");

  2119.                 print_str_opt("parent_category", "N/A");

  2120.             }

  2121.             print_str("message", log_buffer[i].log_message);

  2122.             writer_print_section_footer(w);

  2123.         }

  2124.     }

  2125.     clear_log(0);

  2126.     pthread_mutex_unlock(&log_mutex);

  2127. 

  2128.     writer_print_section_footer(w);

  2129. 

  2130.     return 0;

  2131. }

  2132. 

  2133. static void show_packet(WriterContext *w, InputFile *ifile, AVPacket *pkt, int packet_idx)

  2134. {

  2135.     char val_str[128];

  2136.     AVStream *st = ifile->streams[pkt->stream_index].st;

  2137.     AVBPrint pbuf;

  2138.     const char *s;

  2139. 

  2140.     av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);

  2141. 

  2142.     writer_print_section_header(w, SECTION_ID_PACKET);

  2143. 

  2144.     s = av_get_media_type_string(st->codecpar->codec_type);

  2145.     if (s) print_str    ("codec_type", s);

  2146.     else   print_str_opt("codec_type", "unknown");

  2147.     print_int("stream_index",     pkt->stream_index);

  2148.     print_ts  ("pts",             pkt->pts);

  2149.     print_time("pts_time",        pkt->pts, &st->time_base);

  2150.     print_ts  ("dts",             pkt->dts);

  2151.     print_time("dts_time",        pkt->dts, &st->time_base);

  2152.     print_duration_ts("duration",        pkt->duration);

  2153.     print_duration_time("duration_time", pkt->duration, &st->time_base);

  2154.     print_val("size",             pkt->size, unit_byte_str);

  2155.     if (pkt->pos != -1) print_fmt    ("pos", "%"PRId64, pkt->pos);

  2156.     else                print_str_opt("pos", "N/A");

  2157.     print_fmt("flags", "%c%c",      pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_',

  2158.               pkt->flags & AV_PKT_FLAG_DISCARD ? 'D' : '_');

  2159. 

  2160.     if (pkt->side_data_elems) {

  2161.         int size;

  2162.         const uint8_t *side_metadata;

  2163. 

  2164.         side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);

  2165.         if (side_metadata && size && do_show_packet_tags) {

  2166.             AVDictionary *dict = NULL;

  2167.             if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0)

  2168.                 show_tags(w, dict, SECTION_ID_PACKET_TAGS);

  2169.             av_dict_free(&dict);

  2170.         }

  2171. 

  2172.         print_pkt_side_data(w, st->codecpar, pkt->side_data, pkt->side_data_elems,

  2173.                             SECTION_ID_PACKET_SIDE_DATA_LIST,

  2174.                             SECTION_ID_PACKET_SIDE_DATA);

  2175.     }

  2176. 

  2177.     if (do_show_data)

  2178.         writer_print_data(w, "data", pkt->data, pkt->size);

  2179.     writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);

  2180.     writer_print_section_footer(w);

  2181. 

  2182.     av_bprint_finalize(&pbuf, NULL);

  2183.     fflush(stdout);

  2184. }

  2185. 

  2186. static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,

  2187.                           AVFormatContext *fmt_ctx)

  2188. {

  2189.     AVBPrint pbuf;

  2190. 

  2191.     av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);

  2192. 

  2193.     writer_print_section_header(w, SECTION_ID_SUBTITLE);

  2194. 

  2195.     print_str ("media_type",         "subtitle");

  2196.     print_ts  ("pts",                 sub->pts);

  2197.     print_time("pts_time",            sub->pts, &AV_TIME_BASE_Q);

  2198.     print_int ("format",              sub->format);

  2199.     print_int ("start_display_time",  sub->start_display_time);

  2200.     print_int ("end_display_time",    sub->end_display_time);

  2201.     print_int ("num_rects",           sub->num_rects);

  2202. 

  2203.     writer_print_section_footer(w);

  2204. 

  2205.     av_bprint_finalize(&pbuf, NULL);

  2206.     fflush(stdout);

  2207. }

  2208. 

  2209. static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,

  2210.                        AVFormatContext *fmt_ctx)

  2211. {

  2212.     AVBPrint pbuf;

  2213.     char val_str[128];

  2214.     const char *s;

  2215.     int i;

  2216. 

  2217.     av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);

  2218. 

  2219.     writer_print_section_header(w, SECTION_ID_FRAME);

  2220. 

  2221.     s = av_get_media_type_string(stream->codecpar->codec_type);

  2222.     if (s) print_str    ("media_type", s);

  2223.     else   print_str_opt("media_type", "unknown");

  2224.     print_int("stream_index",           stream->index);

  2225.     print_int("key_frame",              frame->key_frame);

  2226.     print_ts  ("pkt_pts",               frame->pts);

  2227.     print_time("pkt_pts_time",          frame->pts, &stream->time_base);

  2228.     print_ts  ("pkt_dts",               frame->pkt_dts);

  2229.     print_time("pkt_dts_time",          frame->pkt_dts, &stream->time_base);

  2230.     print_ts  ("best_effort_timestamp", frame->best_effort_timestamp);

  2231.     print_time("best_effort_timestamp_time", frame->best_effort_timestamp, &stream->time_base);

  2232.     print_duration_ts  ("pkt_duration",      frame->pkt_duration);

  2233.     print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);

  2234.     if (frame->pkt_pos != -1) print_fmt    ("pkt_pos", "%"PRId64, frame->pkt_pos);

  2235.     else                      print_str_opt("pkt_pos", "N/A");

  2236.     if (frame->pkt_size != -1) print_val    ("pkt_size", frame->pkt_size, unit_byte_str);

  2237.     else                       print_str_opt("pkt_size", "N/A");

  2238. 

  2239.     switch (stream->codecpar->codec_type) {

  2240.         AVRational sar;

  2241. 

  2242.     case AVMEDIA_TYPE_VIDEO:

  2243.         print_int("width",                  frame->width);

  2244.         print_int("height",                 frame->height);

  2245.         s = av_get_pix_fmt_name(frame->format);

  2246.         if (s) print_str    ("pix_fmt", s);

  2247.         else   print_str_opt("pix_fmt", "unknown");

  2248.         sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);

  2249.         if (sar.num) {

  2250.             print_q("sample_aspect_ratio", sar, ':');

  2251.         } else {

  2252.             print_str_opt("sample_aspect_ratio", "N/A");

  2253.         }

  2254.         print_fmt("pict_type",              "%c", av_get_picture_type_char(frame->pict_type));

  2255.         print_int("coded_picture_number",   frame->coded_picture_number);

  2256.         print_int("display_picture_number", frame->display_picture_number);

  2257.         print_int("interlaced_frame",       frame->interlaced_frame);

  2258.         print_int("top_field_first",        frame->top_field_first);

  2259.         print_int("repeat_pict",            frame->repeat_pict);

  2260. 

  2261.         print_color_range(w, frame->color_range);

  2262.         print_color_space(w, frame->colorspace);

  2263.         print_primaries(w, frame->color_primaries);

  2264.         print_color_trc(w, frame->color_trc);

  2265.         print_chroma_location(w, frame->chroma_location);

  2266.         break;

  2267. 

  2268.     case AVMEDIA_TYPE_AUDIO:

  2269.         s = av_get_sample_fmt_name(frame->format);

  2270.         if (s) print_str    ("sample_fmt", s);

  2271.         else   print_str_opt("sample_fmt", "unknown");

  2272.         print_int("nb_samples",         frame->nb_samples);

  2273.         print_int("channels", frame->channels);

  2274.         if (frame->channel_layout) {

  2275.             av_bprint_clear(&pbuf);

  2276.             av_bprint_channel_layout(&pbuf, frame->channels,

  2277.                                      frame->channel_layout);

  2278.             print_str    ("channel_layout", pbuf.str);

  2279.         } else

  2280.             print_str_opt("channel_layout", "unknown");

  2281.         break;

  2282.     }

  2283.     if (do_show_frame_tags)

  2284.         show_tags(w, frame->metadata, SECTION_ID_FRAME_TAGS);

  2285.     if (do_show_log)

  2286.         show_log(w, SECTION_ID_FRAME_LOGS, SECTION_ID_FRAME_LOG, do_show_log);

  2287.     if (frame->nb_side_data) {

  2288.         writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);

  2289.         for (i = 0; i < frame->nb_side_data; i++) {

  2290.             AVFrameSideData *sd = frame->side_data[i];

  2291.             const char *name;

  2292. 

  2293.             writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);

  2294.             name = av_frame_side_data_name(sd->type);

  2295.             print_str("side_data_type", name ? name : "unknown");

  2296.             if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {

  2297.                 writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);

  2298.                 print_int("rotation", av_display_rotation_get((int32_t *)sd->data));

  2299.             } else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) {

  2300.                 char tcbuf[AV_TIMECODE_STR_SIZE];

  2301.                 av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));

  2302.                 print_str("timecode", tcbuf);

  2303.             } else if (sd->type == AV_FRAME_DATA_S12M_TIMECODE && sd->size == 16) {

  2304.                 uint32_t *tc = (uint32_t*)sd->data;

  2305.                 int m = FFMIN(tc[0],3);

  2306.                 writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST);

  2307.                 for (int j = 1; j <= m ; j++) {

  2308.                     char tcbuf[AV_TIMECODE_STR_SIZE];

  2309.                     av_timecode_make_smpte_tc_string2(tcbuf, stream->avg_frame_rate, tc[j], 0, 0);

  2310.                     writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE);

  2311.                     print_str("value", tcbuf);

  2312.                     writer_print_section_footer(w);

  2313.                 }

  2314.                 writer_print_section_footer(w);

  2315.             } else if (sd->type == AV_FRAME_DATA_MASTERING_DISPLAY_METADATA) {

  2316.                 AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;

  2317. 

  2318.                 if (metadata->has_primaries) {

  2319.                     print_q("red_x", metadata->display_primaries[0][0], '/');

  2320.                     print_q("red_y", metadata->display_primaries[0][1], '/');

  2321.                     print_q("green_x", metadata->display_primaries[1][0], '/');

  2322.                     print_q("green_y", metadata->display_primaries[1][1], '/');

  2323.                     print_q("blue_x", metadata->display_primaries[2][0], '/');

  2324.                     print_q("blue_y", metadata->display_primaries[2][1], '/');

  2325. 

  2326.                     print_q("white_point_x", metadata->white_point[0], '/');

  2327.                     print_q("white_point_y", metadata->white_point[1], '/');

  2328.                 }

  2329. 

  2330.                 if (metadata->has_luminance) {

  2331.                     print_q("min_luminance", metadata->min_luminance, '/');

  2332.                     print_q("max_luminance", metadata->max_luminance, '/');

  2333.                 }

  2334.             } else if (sd->type == AV_FRAME_DATA_DYNAMIC_HDR_PLUS) {

  2335.                 AVDynamicHDRPlus *metadata = (AVDynamicHDRPlus *)sd->data;

  2336.                 print_dynamic_hdr10_plus(w, metadata);

  2337.             } else if (sd->type == AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) {

  2338.                 AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;

  2339.                 print_int("max_content", metadata->MaxCLL);

  2340.                 print_int("max_average", metadata->MaxFALL);

  2341.             } else if (sd->type == AV_FRAME_DATA_ICC_PROFILE) {

  2342.                 AVDictionaryEntry *tag = av_dict_get(sd->metadata, "name", NULL, AV_DICT_MATCH_CASE);

  2343.                 if (tag)

  2344.                     print_str(tag->key, tag->value);

  2345.                 print_int("size", sd->size);

  2346.             }

  2347.             writer_print_section_footer(w);

  2348.         }

  2349.         writer_print_section_footer(w);

  2350.     }

  2351. 

  2352.     writer_print_section_footer(w);

  2353. 

  2354.     av_bprint_finalize(&pbuf, NULL);

  2355.     fflush(stdout);

  2356. }

  2357. 

  2358. static av_always_inline int process_frame(WriterContext *w,

  2359.                                           InputFile *ifile,

  2360.                                           AVFrame *frame, AVPacket *pkt,

  2361.                                           int *packet_new)

  2362. {

  2363.     AVFormatContext *fmt_ctx = ifile->fmt_ctx;

  2364.     AVCodecContext *dec_ctx = ifile->streams[pkt->stream_index].dec_ctx;

  2365.     AVCodecParameters *par = ifile->streams[pkt->stream_index].st->codecpar;

  2366.     AVSubtitle sub;

  2367.     int ret = 0, got_frame = 0;

  2368. 

  2369.     clear_log(1);

  2370.     if (dec_ctx && dec_ctx->codec) {

  2371.         switch (par->codec_type) {

  2372.         case AVMEDIA_TYPE_VIDEO:

  2373.         case AVMEDIA_TYPE_AUDIO:

  2374.             if (*packet_new) {

  2375.                 ret = avcodec_send_packet(dec_ctx, pkt);

  2376.                 if (ret == AVERROR(EAGAIN)) {

  2377.                     ret = 0;

  2378.                 } else if (ret >= 0 || ret == AVERROR_EOF) {

  2379.                     ret = 0;

  2380.                     *packet_new = 0;

  2381.                 }

  2382.             }

  2383.             if (ret >= 0) {

  2384.                 ret = avcodec_receive_frame(dec_ctx, frame);

  2385.                 if (ret >= 0) {

  2386.                     got_frame = 1;

  2387.                 } else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {

  2388.                     ret = 0;

  2389.                 }

  2390.             }

  2391.             break;

  2392. 

  2393.         case AVMEDIA_TYPE_SUBTITLE:

  2394.             if (*packet_new)

  2395.                 ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);

  2396.             *packet_new = 0;

  2397.             break;

  2398.         default:

  2399.             *packet_new = 0;

  2400.         }

  2401.     } else {

  2402.         *packet_new = 0;

  2403.     }

  2404. 

  2405.     if (ret < 0)

  2406.         return ret;

  2407.     if (got_frame) {

  2408.         int is_sub = (par->codec_type == AVMEDIA_TYPE_SUBTITLE);

  2409.         nb_streams_frames[pkt->stream_index]++;

  2410.         if (do_show_frames)

  2411.             if (is_sub)

  2412.                 show_subtitle(w, &sub, ifile->streams[pkt->stream_index].st, fmt_ctx);

  2413.             else

  2414.                 show_frame(w, frame, ifile->streams[pkt->stream_index].st, fmt_ctx);

  2415.         if (is_sub)

  2416.             avsubtitle_free(&sub);

  2417.     }

  2418.     return got_frame || *packet_new;

  2419. }

  2420. 

  2421. static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)

  2422. {

  2423.     av_log(log_ctx, log_level, "id:%d", interval->id);

  2424. 

  2425.     if (interval->has_start) {

  2426.         av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",

  2427.                av_ts2timestr(interval->start, &AV_TIME_BASE_Q));

  2428.     } else {

  2429.         av_log(log_ctx, log_level, " start:N/A");

  2430.     }

  2431. 

  2432.     if (interval->has_end) {

  2433.         av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");

  2434.         if (interval->duration_frames)

  2435.             av_log(log_ctx, log_level, "#%"PRId64, interval->end);

  2436.         else

  2437.             av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));

  2438.     } else {

  2439.         av_log(log_ctx, log_level, " end:N/A");

  2440.     }

  2441. 

  2442.     av_log(log_ctx, log_level, "\n");

  2443. }

  2444. 

  2445. static int read_interval_packets(WriterContext *w, InputFile *ifile,

  2446.                                  const ReadInterval *interval, int64_t *cur_ts)

  2447. {

  2448.     AVFormatContext *fmt_ctx = ifile->fmt_ctx;

  2449.     AVPacket *pkt = NULL;

  2450.     AVFrame *frame = NULL;

  2451.     int ret = 0, i = 0, frame_count = 0;

  2452.     int64_t start = -INT64_MAX, end = interval->end;

  2453.     int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;

  2454. 

  2455.     av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");

  2456.     log_read_interval(interval, NULL, AV_LOG_VERBOSE);

  2457. 

  2458.     if (interval->has_start) {

  2459.         int64_t target;

  2460.         if (interval->start_is_offset) {

  2461.             if (*cur_ts == AV_NOPTS_VALUE) {

  2462.                 av_log(NULL, AV_LOG_ERROR,

  2463.                        "Could not seek to relative position since current "

  2464.                        "timestamp is not defined\n");

  2465.                 ret = AVERROR(EINVAL);

  2466.                 goto end;

  2467.             }

  2468.             target = *cur_ts + interval->start;

  2469.         } else {

  2470.             target = interval->start;

  2471.         }

  2472. 

  2473.         av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",

  2474.                av_ts2timestr(target, &AV_TIME_BASE_Q));

  2475.         if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {

  2476.             av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",

  2477.                    interval->start, av_err2str(ret));

  2478.             goto end;

  2479.         }

  2480.     }

  2481. 

  2482.     frame = av_frame_alloc();

  2483.     if (!frame) {

  2484.         ret = AVERROR(ENOMEM);

  2485.         goto end;

  2486.     }

  2487.     pkt = av_packet_alloc();

  2488.     if (!pkt) {

  2489.         ret = AVERROR(ENOMEM);

  2490.         goto end;

  2491.     }

  2492.     while (!av_read_frame(fmt_ctx, pkt)) {

  2493.         if (fmt_ctx->nb_streams > nb_streams) {

  2494.             REALLOCZ_ARRAY_STREAM(nb_streams_frames,  nb_streams, fmt_ctx->nb_streams);

  2495.             REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);

  2496.             REALLOCZ_ARRAY_STREAM(selected_streams,   nb_streams, fmt_ctx->nb_streams);

  2497.             nb_streams = fmt_ctx->nb_streams;

  2498.         }

  2499.         if (selected_streams[pkt->stream_index]) {

  2500.             AVRational tb = ifile->streams[pkt->stream_index].st->time_base;

  2501. 

  2502.             if (pkt->pts != AV_NOPTS_VALUE)

  2503.                 *cur_ts = av_rescale_q(pkt->pts, tb, AV_TIME_BASE_Q);

  2504. 

  2505.             if (!has_start && *cur_ts != AV_NOPTS_VALUE) {

  2506.                 start = *cur_ts;

  2507.                 has_start = 1;

  2508.             }

  2509. 

  2510.             if (has_start && !has_end && interval->end_is_offset) {

  2511.                 end = start + interval->end;

  2512.                 has_end = 1;

  2513.             }

  2514. 

  2515.             if (interval->end_is_offset && interval->duration_frames) {

  2516.                 if (frame_count >= interval->end)

  2517.                     break;

  2518.             } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {

  2519.                 break;

  2520.             }

  2521. 

  2522.             frame_count++;

  2523.             if (do_read_packets) {

  2524.                 if (do_show_packets)

  2525.                     show_packet(w, ifile, pkt, i++);

  2526.                 nb_streams_packets[pkt->stream_index]++;

  2527.             }

  2528.             if (do_read_frames) {

  2529.                 int packet_new = 1;

  2530.                 while (process_frame(w, ifile, frame, pkt, &packet_new) > 0);

  2531.             }

  2532.         }

  2533.         av_packet_unref(pkt);

  2534.     }

  2535.     av_packet_unref(pkt);

  2536.     //Flush remaining frames that are cached in the decoder

  2537.     for (i = 0; i < fmt_ctx->nb_streams; i++) {

  2538.         pkt->stream_index = i;

  2539.         if (do_read_frames)

  2540.             while (process_frame(w, ifile, frame, pkt, &(int){1}) > 0);

  2541.     }

  2542. 

  2543. end:

  2544.     av_frame_free(&frame);

  2545.     av_packet_free(&pkt);

  2546.     if (ret < 0) {

  2547.         av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");

  2548.         log_read_interval(interval, NULL, AV_LOG_ERROR);

  2549.     }

  2550.     return ret;

  2551. }

  2552. 

  2553. static int read_packets(WriterContext *w, InputFile *ifile)

  2554. {

  2555.     AVFormatContext *fmt_ctx = ifile->fmt_ctx;

  2556.     int i, ret = 0;

  2557.     int64_t cur_ts = fmt_ctx->start_time;

  2558. 

  2559.     if (read_intervals_nb == 0) {

  2560.         ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };

  2561.         ret = read_interval_packets(w, ifile, &interval, &cur_ts);

  2562.     } else {

  2563.         for (i = 0; i < read_intervals_nb; i++) {

  2564.             ret = read_interval_packets(w, ifile, &read_intervals[i], &cur_ts);

  2565.             if (ret < 0)

  2566.                 break;

  2567.         }

  2568.     }

  2569. 

  2570.     return ret;

  2571. }

  2572. 

  2573. static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)

  2574. {

  2575.     AVStream *stream = ist->st;

  2576.     AVCodecParameters *par;

  2577.     AVCodecContext *dec_ctx;

  2578.     char val_str[128];

  2579.     const char *s;

  2580.     AVRational sar, dar;

  2581.     AVBPrint pbuf;

  2582.     const AVCodecDescriptor *cd;

  2583.     int ret = 0;

  2584.     const char *profile = NULL;

  2585. 

  2586.     av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);

  2587. 

  2588.     writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);

  2589. 

  2590.     print_int("index", stream->index);

  2591. 

  2592.     par     = stream->codecpar;

  2593.     dec_ctx = ist->dec_ctx;

  2594.     if (cd = avcodec_descriptor_get(par->codec_id)) {

  2595.         print_str("codec_name", cd->name);

  2596.         if (!do_bitexact) {

  2597.             print_str("codec_long_name",

  2598.                       cd->long_name ? cd->long_name : "unknown");

  2599.         }

  2600.     } else {

  2601.         print_str_opt("codec_name", "unknown");

  2602.         if (!do_bitexact) {

  2603.             print_str_opt("codec_long_name", "unknown");

  2604.         }

  2605.     }

  2606. 

  2607.     if (!do_bitexact && (profile = avcodec_profile_name(par->codec_id, par->profile)))

  2608.         print_str("profile", profile);

  2609.     else {

  2610.         if (par->profile != FF_PROFILE_UNKNOWN) {

  2611.             char profile_num[12];

  2612.             snprintf(profile_num, sizeof(profile_num), "%d", par->profile);

  2613.             print_str("profile", profile_num);

  2614.         } else

  2615.             print_str_opt("profile", "unknown");

  2616.     }

  2617. 

  2618.     s = av_get_media_type_string(par->codec_type);

  2619.     if (s) print_str    ("codec_type", s);

  2620.     else   print_str_opt("codec_type", "unknown");

  2621. 

  2622.     /* print AVI/FourCC tag */

  2623.     print_str("codec_tag_string",    av_fourcc2str(par->codec_tag));

  2624.     print_fmt("codec_tag", "0x%04"PRIx32, par->codec_tag);

  2625. 

  2626.     switch (par->codec_type) {

  2627.     case AVMEDIA_TYPE_VIDEO:

  2628.         print_int("width",        par->width);

  2629.         print_int("height",       par->height);

  2630.         if (dec_ctx) {

  2631.             print_int("coded_width",  dec_ctx->coded_width);

  2632.             print_int("coded_height", dec_ctx->coded_height);

  2633.             print_int("closed_captions", !!(dec_ctx->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS));

  2634.         }

  2635.         print_int("has_b_frames", par->video_delay);

  2636.         sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);

  2637.         if (sar.num) {

  2638.             print_q("sample_aspect_ratio", sar, ':');

  2639.             av_reduce(&dar.num, &dar.den,

  2640.                       par->width  * sar.num,

  2641.                       par->height * sar.den,

  2642.                       1024*1024);

  2643.             print_q("display_aspect_ratio", dar, ':');

  2644.         } else {

  2645.             print_str_opt("sample_aspect_ratio", "N/A");

  2646.             print_str_opt("display_aspect_ratio", "N/A");

  2647.         }

  2648.         s = av_get_pix_fmt_name(par->format);

  2649.         if (s) print_str    ("pix_fmt", s);

  2650.         else   print_str_opt("pix_fmt", "unknown");

  2651.         print_int("level",   par->level);

  2652. 

  2653.         print_color_range(w, par->color_range);

  2654.         print_color_space(w, par->color_space);

  2655.         print_color_trc(w, par->color_trc);

  2656.         print_primaries(w, par->color_primaries);

  2657.         print_chroma_location(w, par->chroma_location);

  2658. 

  2659.         if (par->field_order == AV_FIELD_PROGRESSIVE)

  2660.             print_str("field_order", "progressive");

  2661.         else if (par->field_order == AV_FIELD_TT)

  2662.             print_str("field_order", "tt");

  2663.         else if (par->field_order == AV_FIELD_BB)

  2664.             print_str("field_order", "bb");

  2665.         else if (par->field_order == AV_FIELD_TB)

  2666.             print_str("field_order", "tb");

  2667.         else if (par->field_order == AV_FIELD_BT)

  2668.             print_str("field_order", "bt");

  2669.         else

  2670.             print_str_opt("field_order", "unknown");

  2671. 

  2672.         if (dec_ctx)

  2673.             print_int("refs", dec_ctx->refs);

  2674.         break;

  2675. 

  2676.     case AVMEDIA_TYPE_AUDIO:

  2677.         s = av_get_sample_fmt_name(par->format);

  2678.         if (s) print_str    ("sample_fmt", s);

  2679.         else   print_str_opt("sample_fmt", "unknown");

  2680.         print_val("sample_rate",     par->sample_rate, unit_hertz_str);

  2681.         print_int("channels",        par->channels);

  2682. 

  2683.         if (par->channel_layout) {

  2684.             av_bprint_clear(&pbuf);

  2685.             av_bprint_channel_layout(&pbuf, par->channels, par->channel_layout);

  2686.             print_str    ("channel_layout", pbuf.str);

  2687.         } else {

  2688.             print_str_opt("channel_layout", "unknown");

  2689.         }

  2690. 

  2691.         print_int("bits_per_sample", av_get_bits_per_sample(par->codec_id));

  2692.         break;

  2693. 

  2694.     case AVMEDIA_TYPE_SUBTITLE:

  2695.         if (par->width)

  2696.             print_int("width",       par->width);

  2697.         else

  2698.             print_str_opt("width",   "N/A");

  2699.         if (par->height)

  2700.             print_int("height",      par->height);

  2701.         else

  2702.             print_str_opt("height",  "N/A");

  2703.         break;

  2704.     }

  2705. 

  2706.     if (dec_ctx && dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {

  2707.         const AVOption *opt = NULL;

  2708.         while (opt = av_opt_next(dec_ctx->priv_data,opt)) {

  2709.             uint8_t *str;

  2710.             if (!(opt->flags & AV_OPT_FLAG_EXPORT)) continue;

  2711.             if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {

  2712.                 print_str(opt->name, str);

  2713.                 av_free(str);

  2714.             }

  2715.         }

  2716.     }

  2717. 

  2718.     if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt    ("id", "0x%x", stream->id);

  2719.     else                                          print_str_opt("id", "N/A");

  2720.     print_q("r_frame_rate",   stream->r_frame_rate,   '/');

  2721.     print_q("avg_frame_rate", stream->avg_frame_rate, '/');

  2722.     print_q("time_base",      stream->time_base,      '/');

  2723.     print_ts  ("start_pts",   stream->start_time);

  2724.     print_time("start_time",  stream->start_time, &stream->time_base);

  2725.     print_ts  ("duration_ts", stream->duration);

  2726.     print_time("duration",    stream->duration, &stream->time_base);

  2727.     if (par->bit_rate > 0)     print_val    ("bit_rate", par->bit_rate, unit_bit_per_second_str);

  2728.     else                       print_str_opt("bit_rate", "N/A");

  2729.     if (dec_ctx && dec_ctx->rc_max_rate > 0)

  2730.         print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str);

  2731.     else

  2732.         print_str_opt("max_bit_rate", "N/A");

  2733.     if (dec_ctx && dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);

  2734.     else                                             print_str_opt("bits_per_raw_sample", "N/A");

  2735.     if (stream->nb_frames) print_fmt    ("nb_frames", "%"PRId64, stream->nb_frames);

  2736.     else                   print_str_opt("nb_frames", "N/A");

  2737.     if (nb_streams_frames[stream_idx])  print_fmt    ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);

  2738.     else                                print_str_opt("nb_read_frames", "N/A");

  2739.     if (nb_streams_packets[stream_idx]) print_fmt    ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);

  2740.     else                                print_str_opt("nb_read_packets", "N/A");

  2741.     if (do_show_data)

  2742.         writer_print_data(w, "extradata", par->extradata,

  2743.                                           par->extradata_size);

  2744.     writer_print_data_hash(w, "extradata_hash", par->extradata,

  2745.                                                 par->extradata_size);

  2746. 

  2747.     /* Print disposition information */

  2748. #define PRINT_DISPOSITION(flagname, name) do {                                \

  2749.         print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \

  2750.     } while (0)

  2751. 

  2752.     if (do_show_stream_disposition) {

  2753.         writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);

  2754.         PRINT_DISPOSITION(DEFAULT,          "default");

  2755.         PRINT_DISPOSITION(DUB,              "dub");

  2756.         PRINT_DISPOSITION(ORIGINAL,         "original");

  2757.         PRINT_DISPOSITION(COMMENT,          "comment");

  2758.         PRINT_DISPOSITION(LYRICS,           "lyrics");

  2759.         PRINT_DISPOSITION(KARAOKE,          "karaoke");

  2760.         PRINT_DISPOSITION(FORCED,           "forced");

  2761.         PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");

  2762.         PRINT_DISPOSITION(VISUAL_IMPAIRED,  "visual_impaired");

  2763.         PRINT_DISPOSITION(CLEAN_EFFECTS,    "clean_effects");

  2764.         PRINT_DISPOSITION(ATTACHED_PIC,     "attached_pic");

  2765.         PRINT_DISPOSITION(TIMED_THUMBNAILS, "timed_thumbnails");

  2766.         PRINT_DISPOSITION(CAPTIONS,         "captions");

  2767.         PRINT_DISPOSITION(DESCRIPTIONS,     "descriptions");

  2768.         PRINT_DISPOSITION(METADATA,         "metadata");

  2769.         PRINT_DISPOSITION(DEPENDENT,        "dependent");

  2770.         PRINT_DISPOSITION(STILL_IMAGE,      "still_image");

  2771.         writer_print_section_footer(w);

  2772.     }

  2773. 

  2774.     if (do_show_stream_tags)

  2775.         ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);

  2776. 

  2777.     if (stream->nb_side_data) {

  2778.         print_pkt_side_data(w, stream->codecpar, stream->side_data, stream->nb_side_data,

  2779.                             SECTION_ID_STREAM_SIDE_DATA_LIST,

  2780.                             SECTION_ID_STREAM_SIDE_DATA);

  2781.     }

  2782. 

  2783.     writer_print_section_footer(w);

  2784.     av_bprint_finalize(&pbuf, NULL);

  2785.     fflush(stdout);

  2786. 

  2787.     return ret;

  2788. }

  2789. 

  2790. static int show_streams(WriterContext *w, InputFile *ifile)

  2791. {

  2792.     AVFormatContext *fmt_ctx = ifile->fmt_ctx;

  2793.     int i, ret = 0;

  2794. 

  2795.     writer_print_section_header(w, SECTION_ID_STREAMS);

  2796.     for (i = 0; i < ifile->nb_streams; i++)

  2797.         if (selected_streams[i]) {

  2798.             ret = show_stream(w, fmt_ctx, i, &ifile->streams[i], 0);

  2799.             if (ret < 0)

  2800.                 break;

  2801.         }

  2802.     writer_print_section_footer(w);

  2803. 

  2804.     return ret;

  2805. }

  2806. 

  2807. static int show_program(WriterContext *w, InputFile *ifile, AVProgram *program)

  2808. {

  2809.     AVFormatContext *fmt_ctx = ifile->fmt_ctx;

  2810.     int i, ret = 0;

  2811. 

  2812.     writer_print_section_header(w, SECTION_ID_PROGRAM);

  2813.     print_int("program_id", program->id);

  2814.     print_int("program_num", program->program_num);

  2815.     print_int("nb_streams", program->nb_stream_indexes);

  2816.     print_int("pmt_pid", program->pmt_pid);

  2817.     print_int("pcr_pid", program->pcr_pid);

  2818.     print_ts("start_pts", program->start_time);

  2819.     print_time("start_time", program->start_time, &AV_TIME_BASE_Q);

  2820.     print_ts("end_pts", program->end_time);

  2821.     print_time("end_time", program->end_time, &AV_TIME_BASE_Q);

  2822.     if (do_show_program_tags)

  2823.         ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);

  2824.     if (ret < 0)

  2825.         goto end;

  2826. 

  2827.     writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);

  2828.     for (i = 0; i < program->nb_stream_indexes; i++) {

  2829.         if (selected_streams[program->stream_index[i]]) {

  2830.             ret = show_stream(w, fmt_ctx, program->stream_index[i], &ifile->streams[program->stream_index[i]], 1);

  2831.             if (ret < 0)

  2832.                 break;

  2833.         }

  2834.     }

  2835.     writer_print_section_footer(w);

  2836. 

  2837. end:

  2838.     writer_print_section_footer(w);

  2839.     return ret;

  2840. }

  2841. 

  2842. static int show_programs(WriterContext *w, InputFile *ifile)

  2843. {

  2844.     AVFormatContext *fmt_ctx = ifile->fmt_ctx;

  2845.     int i, ret = 0;

  2846. 

  2847.     writer_print_section_header(w, SECTION_ID_PROGRAMS);

  2848.     for (i = 0; i < fmt_ctx->nb_programs; i++) {

  2849.         AVProgram *program = fmt_ctx->programs[i];

  2850.         if (!program)

  2851.             continue;

  2852.         ret = show_program(w, ifile, program);

  2853.         if (ret < 0)

  2854.             break;

  2855.     }

  2856.     writer_print_section_footer(w);

  2857.     return ret;

  2858. }

  2859. 

  2860. static int show_chapters(WriterContext *w, InputFile *ifile)

  2861. {

  2862.     AVFormatContext *fmt_ctx = ifile->fmt_ctx;

  2863.     int i, ret = 0;

  2864. 

  2865.     writer_print_section_header(w, SECTION_ID_CHAPTERS);

  2866.     for (i = 0; i < fmt_ctx->nb_chapters; i++) {

  2867.         AVChapter *chapter = fmt_ctx->chapters[i];

  2868. 

  2869.         writer_print_section_header(w, SECTION_ID_CHAPTER);

  2870.         print_int("id", chapter->id);

  2871.         print_q  ("time_base", chapter->time_base, '/');

  2872.         print_int("start", chapter->start);

  2873.         print_time("start_time", chapter->start, &chapter->time_base);

  2874.         print_int("end", chapter->end);

  2875.         print_time("end_time", chapter->end, &chapter->time_base);

  2876.         if (do_show_chapter_tags)

  2877.             ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);

  2878.         writer_print_section_footer(w);

  2879.     }

  2880.     writer_print_section_footer(w);

  2881. 

  2882.     return ret;

  2883. }

  2884. 

  2885. static int show_format(WriterContext *w, InputFile *ifile)

  2886. {

  2887.     AVFormatContext *fmt_ctx = ifile->fmt_ctx;

  2888.     char val_str[128];

  2889.     int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;

  2890.     int ret = 0;

  2891. 

  2892.     writer_print_section_header(w, SECTION_ID_FORMAT);

  2893.     print_str_validate("filename", fmt_ctx->url);

  2894.     print_int("nb_streams",       fmt_ctx->nb_streams);

  2895.     print_int("nb_programs",      fmt_ctx->nb_programs);

  2896.     print_str("format_name",      fmt_ctx->iformat->name);

  2897.     if (!do_bitexact) {

  2898.         if (fmt_ctx->iformat->long_name) print_str    ("format_long_name", fmt_ctx->iformat->long_name);

  2899.         else                             print_str_opt("format_long_name", "unknown");

  2900.     }

  2901.     print_time("start_time",      fmt_ctx->start_time, &AV_TIME_BASE_Q);

  2902.     print_time("duration",        fmt_ctx->duration,   &AV_TIME_BASE_Q);

  2903.     if (size >= 0) print_val    ("size", size, unit_byte_str);

  2904.     else           print_str_opt("size", "N/A");

  2905.     if (fmt_ctx->bit_rate > 0) print_val    ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);

  2906.     else                       print_str_opt("bit_rate", "N/A");

  2907.     print_int("probe_score", fmt_ctx->probe_score);

  2908.     if (do_show_format_tags)

  2909.         ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);

  2910. 

  2911.     writer_print_section_footer(w);

  2912.     fflush(stdout);

  2913.     return ret;

  2914. }

  2915. 

  2916. static void show_error(WriterContext *w, int err)

  2917. {

  2918.     char errbuf[128];

  2919.     const char *errbuf_ptr = errbuf;

  2920. 

  2921.     if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)

  2922.         errbuf_ptr = strerror(AVUNERROR(err));

  2923. 

  2924.     writer_print_section_header(w, SECTION_ID_ERROR);

  2925.     print_int("code", err);

  2926.     print_str("string", errbuf_ptr);

  2927.     writer_print_section_footer(w);

  2928. }

  2929. 

  2930. static int open_input_file(InputFile *ifile, const char *filename,

  2931.                            const char *print_filename)

  2932. {

  2933.     int err, i;

  2934.     AVFormatContext *fmt_ctx = NULL;

  2935.     AVDictionaryEntry *t = NULL;

  2936.     int scan_all_pmts_set = 0;

  2937. 

  2938.     fmt_ctx = avformat_alloc_context();

  2939.     if (!fmt_ctx) {

  2940.         print_error(filename, AVERROR(ENOMEM));

  2941.         exit_program(1);

  2942.     }

  2943. 

  2944.     if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {

  2945.         av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);

  2946.         scan_all_pmts_set = 1;

  2947.     }

  2948.     if ((err = avformat_open_input(&fmt_ctx, filename,

  2949.                                    iformat, &format_opts)) < 0) {

  2950.         print_error(filename, err);

  2951.         return err;

  2952.     }

  2953.     if (print_filename) {

  2954.         av_freep(&fmt_ctx->url);

  2955.         fmt_ctx->url = av_strdup(print_filename);

  2956.     }

  2957.     ifile->fmt_ctx = fmt_ctx;

  2958.     if (scan_all_pmts_set)

  2959.         av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);

  2960.     while ((t = av_dict_get(format_opts, "", t, AV_DICT_IGNORE_SUFFIX)))

  2961.         av_log(NULL, AV_LOG_WARNING, "Option %s skipped - not known to demuxer.\n", t->key);

  2962. 

  2963.     if (find_stream_info) {

  2964.         AVDictionary **opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);

  2965.         int orig_nb_streams = fmt_ctx->nb_streams;

  2966. 

  2967.         err = avformat_find_stream_info(fmt_ctx, opts);

  2968. 

  2969.         for (i = 0; i < orig_nb_streams; i++)

  2970.             av_dict_free(&opts[i]);

  2971.         av_freep(&opts);

  2972. 

  2973.         if (err < 0) {

  2974.             print_error(filename, err);

  2975.             return err;

  2976.         }

  2977.     }

  2978. 

  2979.     av_dump_format(fmt_ctx, 0, filename, 0);

  2980. 

  2981.     ifile->streams = av_mallocz_array(fmt_ctx->nb_streams,

  2982.                                       sizeof(*ifile->streams));

  2983.     if (!ifile->streams)

  2984.         exit(1);

  2985.     ifile->nb_streams = fmt_ctx->nb_streams;

  2986. 

  2987.     /* bind a decoder to each input stream */

  2988.     for (i = 0; i < fmt_ctx->nb_streams; i++) {

  2989.         InputStream *ist = &ifile->streams[i];

  2990.         AVStream *stream = fmt_ctx->streams[i];

  2991.         const AVCodec *codec;

  2992. 

  2993.         ist->st = stream;

  2994. 

  2995.         if (stream->codecpar->codec_id == AV_CODEC_ID_PROBE) {

  2996.             av_log(NULL, AV_LOG_WARNING,

  2997.                    "Failed to probe codec for input stream %d\n",

  2998.                     stream->index);

  2999.             continue;

  3000.         }

  3001. 

  3002.         codec = avcodec_find_decoder(stream->codecpar->codec_id);

  3003.         if (!codec) {

  3004.             av_log(NULL, AV_LOG_WARNING,

  3005.                     "Unsupported codec with id %d for input stream %d\n",

  3006.                     stream->codecpar->codec_id, stream->index);

  3007.             continue;

  3008.         }

  3009.         {

  3010.             AVDictionary *opts = filter_codec_opts(codec_opts, stream->codecpar->codec_id,

  3011.                                                    fmt_ctx, stream, codec);

  3012. 

  3013.             ist->dec_ctx = avcodec_alloc_context3(codec);

  3014.             if (!ist->dec_ctx)

  3015.                 exit(1);

  3016. 

  3017.             err = avcodec_parameters_to_context(ist->dec_ctx, stream->codecpar);

  3018.             if (err < 0)

  3019.                 exit(1);

  3020. 

  3021.             if (do_show_log) {

  3022.                 // For loging it is needed to disable at least frame threads as otherwise

  3023.                 // the log information would need to be reordered and matches up to contexts and frames

  3024.                 // That is in fact possible but not trivial

  3025.                 av_dict_set(&codec_opts, "threads", "1", 0);

  3026.             }

  3027. 

  3028.             ist->dec_ctx->pkt_timebase = stream->time_base;

  3029. 

  3030.             if (avcodec_open2(ist->dec_ctx, codec, &opts) < 0) {

  3031.                 av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",

  3032.                        stream->index);

  3033.                 exit(1);

  3034.             }

  3035. 

  3036.             if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {

  3037.                 av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",

  3038.                        t->key, stream->index);

  3039.                 return AVERROR_OPTION_NOT_FOUND;

  3040.             }

  3041.         }

  3042.     }

  3043. 

  3044.     ifile->fmt_ctx = fmt_ctx;

  3045.     return 0;

  3046. }

  3047. 

  3048. static void close_input_file(InputFile *ifile)

  3049. {

  3050.     int i;

  3051. 

  3052.     /* close decoder for each stream */

  3053.     for (i = 0; i < ifile->nb_streams; i++)

  3054.         if (ifile->streams[i].st->codecpar->codec_id != AV_CODEC_ID_NONE)

  3055.             avcodec_free_context(&ifile->streams[i].dec_ctx);

  3056. 

  3057.     av_freep(&ifile->streams);

  3058.     ifile->nb_streams = 0;

  3059. 

  3060.     avformat_close_input(&ifile->fmt_ctx);

  3061. }

  3062. 

  3063. static int probe_file(WriterContext *wctx, const char *filename,

  3064.                       const char *print_filename)

  3065. {

  3066.     InputFile ifile = { 0 };

  3067.     int ret, i;

  3068.     int section_id;

  3069. 

  3070.     do_read_frames = do_show_frames || do_count_frames;

  3071.     do_read_packets = do_show_packets || do_count_packets;

  3072. 

  3073.     ret = open_input_file(&ifile, filename, print_filename);

  3074.     if (ret < 0)

  3075.         goto end;

  3076. 

  3077. #define CHECK_END if (ret < 0) goto end

  3078. 

  3079.     nb_streams = ifile.fmt_ctx->nb_streams;

  3080.     REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,ifile.fmt_ctx->nb_streams);

  3081.     REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,ifile.fmt_ctx->nb_streams);

  3082.     REALLOCZ_ARRAY_STREAM(selected_streams,0,ifile.fmt_ctx->nb_streams);

  3083. 

  3084.     for (i = 0; i < ifile.fmt_ctx->nb_streams; i++) {

  3085.         if (stream_specifier) {

  3086.             ret = avformat_match_stream_specifier(ifile.fmt_ctx,

  3087.                                                   ifile.fmt_ctx->streams[i],

  3088.                                                   stream_specifier);

  3089.             CHECK_END;

  3090.             else

  3091.                 selected_streams[i] = ret;

  3092.             ret = 0;

  3093.         } else {

  3094.             selected_streams[i] = 1;

  3095.         }

  3096.         if (!selected_streams[i])

  3097.             ifile.fmt_ctx->streams[i]->discard = AVDISCARD_ALL;

  3098.     }

  3099. 

  3100.     if (do_read_frames || do_read_packets) {

  3101.         if (do_show_frames && do_show_packets &&

  3102.             wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)

  3103.             section_id = SECTION_ID_PACKETS_AND_FRAMES;

  3104.         else if (do_show_packets && !do_show_frames)

  3105.             section_id = SECTION_ID_PACKETS;

  3106.         else // (!do_show_packets && do_show_frames)

  3107.             section_id = SECTION_ID_FRAMES;

  3108.         if (do_show_frames || do_show_packets)

  3109.             writer_print_section_header(wctx, section_id);

  3110.         ret = read_packets(wctx, &ifile);

  3111.         if (do_show_frames || do_show_packets)

  3112.             writer_print_section_footer(wctx);

  3113.         CHECK_END;

  3114.     }

  3115. 

  3116.     if (do_show_programs) {

  3117.         ret = show_programs(wctx, &ifile);

  3118.         CHECK_END;

  3119.     }

  3120. 

  3121.     if (do_show_streams) {

  3122.         ret = show_streams(wctx, &ifile);

  3123.         CHECK_END;

  3124.     }

  3125.     if (do_show_chapters) {

  3126.         ret = show_chapters(wctx, &ifile);

  3127.         CHECK_END;

  3128.     }

  3129.     if (do_show_format) {

  3130.         ret = show_format(wctx, &ifile);

  3131.         CHECK_END;

  3132.     }

  3133. 

  3134. end:

  3135.     if (ifile.fmt_ctx)

  3136.         close_input_file(&ifile);

  3137.     av_freep(&nb_streams_frames);

  3138.     av_freep(&nb_streams_packets);

  3139.     av_freep(&selected_streams);

  3140. 

  3141.     return ret;

  3142. }

  3143. 

  3144. static void show_usage(void)

  3145. {

  3146.     av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");

  3147.     av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);

  3148.     av_log(NULL, AV_LOG_INFO, "\n");

  3149. }

  3150. 

  3151. static void ffprobe_show_program_version(WriterContext *w)

  3152. {

  3153.     AVBPrint pbuf;

  3154.     av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);

  3155. 

  3156.     writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);

  3157.     print_str("version", FFMPEG_VERSION);

  3158.     print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",

  3159.               program_birth_year, CONFIG_THIS_YEAR);

  3160.     print_str("compiler_ident", CC_IDENT);

  3161.     print_str("configuration", FFMPEG_CONFIGURATION);

  3162.     writer_print_section_footer(w);

  3163. 

  3164.     av_bprint_finalize(&pbuf, NULL);

  3165. }

  3166. 

  3167. #define SHOW_LIB_VERSION(libname, LIBNAME)                              \

  3168.     do {                                                                \

  3169.         if (CONFIG_##LIBNAME) {                                         \

  3170.             unsigned int version = libname##_version();                 \

  3171.             writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \

  3172.             print_str("name",    "lib" #libname);                       \

  3173.             print_int("major",   LIB##LIBNAME##_VERSION_MAJOR);         \

  3174.             print_int("minor",   LIB##LIBNAME##_VERSION_MINOR);         \

  3175.             print_int("micro",   LIB##LIBNAME##_VERSION_MICRO);         \

  3176.             print_int("version", version);                              \

  3177.             print_str("ident",   LIB##LIBNAME##_IDENT);                 \

  3178.             writer_print_section_footer(w);                             \

  3179.         }                                                               \

  3180.     } while (0)

  3181. 

  3182. static void ffprobe_show_library_versions(WriterContext *w)

  3183. {

  3184.     writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);

  3185.     SHOW_LIB_VERSION(avutil,     AVUTIL);

  3186.     SHOW_LIB_VERSION(avcodec,    AVCODEC);

  3187.     SHOW_LIB_VERSION(avformat,   AVFORMAT);

  3188.     SHOW_LIB_VERSION(avdevice,   AVDEVICE);

  3189.     SHOW_LIB_VERSION(avfilter,   AVFILTER);

  3190.     SHOW_LIB_VERSION(swscale,    SWSCALE);

  3191.     SHOW_LIB_VERSION(swresample, SWRESAMPLE);

  3192.     SHOW_LIB_VERSION(postproc,   POSTPROC);

  3193.     writer_print_section_footer(w);

  3194. }

  3195. 

  3196. #define PRINT_PIX_FMT_FLAG(flagname, name)                                \

  3197.     do {                                                                  \

  3198.         print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \

  3199.     } while (0)

  3200. 

  3201. static void ffprobe_show_pixel_formats(WriterContext *w)

  3202. {

  3203.     const AVPixFmtDescriptor *pixdesc = NULL;

  3204.     int i, n;

  3205. 

  3206.     writer_print_section_header(w, SECTION_ID_PIXEL_FORMATS);

  3207.     while (pixdesc = av_pix_fmt_desc_next(pixdesc)) {

  3208.         writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT);

  3209.         print_str("name", pixdesc->name);

  3210.         print_int("nb_components", pixdesc->nb_components);

  3211.         if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) {

  3212.             print_int    ("log2_chroma_w", pixdesc->log2_chroma_w);

  3213.             print_int    ("log2_chroma_h", pixdesc->log2_chroma_h);

  3214.         } else {

  3215.             print_str_opt("log2_chroma_w", "N/A");

  3216.             print_str_opt("log2_chroma_h", "N/A");

  3217.         }

  3218.         n = av_get_bits_per_pixel(pixdesc);

  3219.         if (n) print_int    ("bits_per_pixel", n);

  3220.         else   print_str_opt("bits_per_pixel", "N/A");

  3221.         if (do_show_pixel_format_flags) {

  3222.             writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_FLAGS);

  3223.             PRINT_PIX_FMT_FLAG(BE,        "big_endian");

  3224.             PRINT_PIX_FMT_FLAG(PAL,       "palette");

  3225.             PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream");

  3226.             PRINT_PIX_FMT_FLAG(HWACCEL,   "hwaccel");

  3227.             PRINT_PIX_FMT_FLAG(PLANAR,    "planar");

  3228.             PRINT_PIX_FMT_FLAG(RGB,       "rgb");

  3229.             PRINT_PIX_FMT_FLAG(ALPHA,     "alpha");

  3230.             writer_print_section_footer(w);

  3231.         }

  3232.         if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) {

  3233.             writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENTS);

  3234.             for (i = 0; i < pixdesc->nb_components; i++) {

  3235.                 writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENT);

  3236.                 print_int("index", i + 1);

  3237.                 print_int("bit_depth", pixdesc->comp[i].depth);

  3238.                 writer_print_section_footer(w);

  3239.             }

  3240.             writer_print_section_footer(w);

  3241.         }

  3242.         writer_print_section_footer(w);

  3243.     }

  3244.     writer_print_section_footer(w);

  3245. }

  3246. 

  3247. static int opt_format(void *optctx, const char *opt, const char *arg)

  3248. {

  3249.     iformat = av_find_input_format(arg);

  3250.     if (!iformat) {

  3251.         av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);

  3252.         return AVERROR(EINVAL);

  3253.     }

  3254.     return 0;

  3255. }

  3256. 

  3257. static inline void mark_section_show_entries(SectionID section_id,

  3258.                                              int show_all_entries, AVDictionary *entries)

  3259. {

  3260.     struct section *section = &sections[section_id];

  3261. 

  3262.     section->show_all_entries = show_all_entries;

  3263.     if (show_all_entries) {

  3264.         SectionID *id;

  3265.         for (id = section->children_ids; *id != -1; id++)

  3266.             mark_section_show_entries(*id, show_all_entries, entries);

  3267.     } else {

  3268.         av_dict_copy(&section->entries_to_show, entries, 0);

  3269.     }

  3270. }

  3271. 

  3272. static int match_section(const char *section_name,

  3273.                          int show_all_entries, AVDictionary *entries)

  3274. {

  3275.     int i, ret = 0;

  3276. 

  3277.     for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {

  3278.         const struct section *section = &sections[i];

  3279.         if (!strcmp(section_name, section->name) ||

  3280.             (section->unique_name && !strcmp(section_name, section->unique_name))) {

  3281.             av_log(NULL, AV_LOG_DEBUG,

  3282.                    "'%s' matches section with unique name '%s'\n", section_name,

  3283.                    (char *)av_x_if_null(section->unique_name, section->name));

  3284.             ret++;

  3285.             mark_section_show_entries(section->id, show_all_entries, entries);

  3286.         }

  3287.     }

  3288.     return ret;

  3289. }

  3290. 

  3291. static int opt_show_entries(void *optctx, const char *opt, const char *arg)

  3292. {

  3293.     const char *p = arg;

  3294.     int ret = 0;

  3295. 

  3296.     while (*p) {

  3297.         AVDictionary *entries = NULL;

  3298.         char *section_name = av_get_token(&p, "=:");

  3299.         int show_all_entries = 0;

  3300. 

  3301.         if (!section_name) {

  3302.             av_log(NULL, AV_LOG_ERROR,

  3303.                    "Missing section name for option '%s'\n", opt);

  3304.             return AVERROR(EINVAL);

  3305.         }

  3306. 

  3307.         if (*p == '=') {

  3308.             p++;

  3309.             while (*p && *p != ':') {

  3310.                 char *entry = av_get_token(&p, ",:");

  3311.                 if (!entry)

  3312.                     break;

  3313.                 av_log(NULL, AV_LOG_VERBOSE,

  3314.                        "Adding '%s' to the entries to show in section '%s'\n",

  3315.                        entry, section_name);

  3316.                 av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);

  3317.                 if (*p == ',')

  3318.                     p++;

  3319.             }

  3320.         } else {

  3321.             show_all_entries = 1;

  3322.         }

  3323. 

  3324.         ret = match_section(section_name, show_all_entries, entries);

  3325.         if (ret == 0) {

  3326.             av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);

  3327.             ret = AVERROR(EINVAL);

  3328.         }

  3329.         av_dict_free(&entries);

  3330.         av_free(section_name);

  3331. 

  3332.         if (ret <= 0)

  3333.             break;

  3334.         if (*p)

  3335.             p++;

  3336.     }

  3337. 

  3338.     return ret;

  3339. }

  3340. 

  3341. static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)

  3342. {

  3343.     char *buf = av_asprintf("format=%s", arg);

  3344.     int ret;

  3345. 

  3346.     if (!buf)

  3347.         return AVERROR(ENOMEM);

  3348. 

  3349.     av_log(NULL, AV_LOG_WARNING,

  3350.            "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",

  3351.            opt, arg);

  3352.     ret = opt_show_entries(optctx, opt, buf);

  3353.     av_free(buf);

  3354.     return ret;

  3355. }

  3356. 

  3357. static void opt_input_file(void *optctx, const char *arg)

  3358. {

  3359.     if (input_filename) {

  3360.         av_log(NULL, AV_LOG_ERROR,

  3361.                 "Argument '%s' provided as input filename, but '%s' was already specified.\n",

  3362.                 arg, input_filename);

  3363.         exit_program(1);

  3364.     }

  3365.     if (!strcmp(arg, "-"))

  3366.         arg = "pipe:";

  3367.     input_filename = arg;

  3368. }

  3369. 

  3370. static int opt_input_file_i(void *optctx, const char *opt, const char *arg)

  3371. {

  3372.     opt_input_file(optctx, arg);

  3373.     return 0;

  3374. }

  3375. 

  3376. static int opt_print_filename(void *optctx, const char *opt, const char *arg)

  3377. {

  3378.     print_input_filename = arg;

  3379.     return 0;

  3380. }

  3381. 

  3382. void show_help_default(const char *opt, const char *arg)

  3383. {

  3384.     av_log_set_callback(log_callback_help);

  3385.     show_usage();

  3386.     show_help_options(options, "Main options:", 0, 0, 0);

  3387.     printf("\n");

  3388. 

  3389.     show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);

  3390.     show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);

  3391. }

  3392. 

  3393. /**

  3394.  * Parse interval specification, according to the format:

  3395.  * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]

  3396.  * INTERVALS ::= INTERVAL[,INTERVALS]

  3397. */

  3398. static int parse_read_interval(const char *interval_spec,

  3399.                                ReadInterval *interval)

  3400. {

  3401.     int ret = 0;

  3402.     char *next, *p, *spec = av_strdup(interval_spec);

  3403.     if (!spec)

  3404.         return AVERROR(ENOMEM);

  3405. 

  3406.     if (!*spec) {

  3407.         av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");

  3408.         ret = AVERROR(EINVAL);

  3409.         goto end;

  3410.     }

  3411. 

  3412.     p = spec;

  3413.     next = strchr(spec, '%');

  3414.     if (next)

  3415.         *next++ = 0;

  3416. 

  3417.     /* parse first part */

  3418.     if (*p) {

  3419.         interval->has_start = 1;

  3420. 

  3421.         if (*p == '+') {

  3422.             interval->start_is_offset = 1;

  3423.             p++;

  3424.         } else {

  3425.             interval->start_is_offset = 0;

  3426.         }

  3427. 

  3428.         ret = av_parse_time(&interval->start, p, 1);

  3429.         if (ret < 0) {

  3430.             av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);

  3431.             goto end;

  3432.         }

  3433.     } else {

  3434.         interval->has_start = 0;

  3435.     }

  3436. 

  3437.     /* parse second part */

  3438.     p = next;

  3439.     if (p && *p) {

  3440.         int64_t us;

  3441.         interval->has_end = 1;

  3442. 

  3443.         if (*p == '+') {

  3444.             interval->end_is_offset = 1;

  3445.             p++;

  3446.         } else {

  3447.             interval->end_is_offset = 0;

  3448.         }

  3449. 

  3450.         if (interval->end_is_offset && *p == '#') {

  3451.             long long int lli;

  3452.             char *tail;

  3453.             interval->duration_frames = 1;

  3454.             p++;

  3455.             lli = strtoll(p, &tail, 10);

  3456.             if (*tail || lli < 0) {

  3457.                 av_log(NULL, AV_LOG_ERROR,

  3458.                        "Invalid or negative value '%s' for duration number of frames\n", p);

  3459.                 goto end;

  3460.             }

  3461.             interval->end = lli;

  3462.         } else {

  3463.             interval->duration_frames = 0;

  3464.             ret = av_parse_time(&us, p, 1);

  3465.             if (ret < 0) {

  3466.                 av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);

  3467.                 goto end;

  3468.             }

  3469.             interval->end = us;

  3470.         }

  3471.     } else {

  3472.         interval->has_end = 0;

  3473.     }

  3474. 

  3475. end:

  3476.     av_free(spec);

  3477.     return ret;

  3478. }

  3479. 

  3480. static int parse_read_intervals(const char *intervals_spec)

  3481. {

  3482.     int ret, n, i;

  3483.     char *p, *spec = av_strdup(intervals_spec);

  3484.     if (!spec)

  3485.         return AVERROR(ENOMEM);

  3486. 

  3487.     /* preparse specification, get number of intervals */

  3488.     for (n = 0, p = spec; *p; p++)

  3489.         if (*p == ',')

  3490.             n++;

  3491.     n++;

  3492. 

  3493.     read_intervals = av_malloc_array(n, sizeof(*read_intervals));

  3494.     if (!read_intervals) {

  3495.         ret = AVERROR(ENOMEM);

  3496.         goto end;

  3497.     }

  3498.     read_intervals_nb = n;

  3499. 

  3500.     /* parse intervals */

  3501.     p = spec;

  3502.     for (i = 0; p; i++) {

  3503.         char *next;

  3504. 

  3505.         av_assert0(i < read_intervals_nb);

  3506.         next = strchr(p, ',');

  3507.         if (next)

  3508.             *next++ = 0;

  3509. 

  3510.         read_intervals[i].id = i;

  3511.         ret = parse_read_interval(p, &read_intervals[i]);

  3512.         if (ret < 0) {

  3513.             av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",

  3514.                    i, p);

  3515.             goto end;

  3516.         }

  3517.         av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");

  3518.         log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);

  3519.         p = next;

  3520.     }

  3521.     av_assert0(i == read_intervals_nb);

  3522. 

  3523. end:

  3524.     av_free(spec);

  3525.     return ret;

  3526. }

  3527. 

  3528. static int opt_read_intervals(void *optctx, const char *opt, const char *arg)

  3529. {

  3530.     return parse_read_intervals(arg);

  3531. }

  3532. 

  3533. static int opt_pretty(void *optctx, const char *opt, const char *arg)

  3534. {

  3535.     show_value_unit              = 1;

  3536.     use_value_prefix             = 1;

  3537.     use_byte_value_binary_prefix = 1;

  3538.     use_value_sexagesimal_format = 1;

  3539.     return 0;

  3540. }

  3541. 

  3542. static void print_section(SectionID id, int level)

  3543. {

  3544.     const SectionID *pid;

  3545.     const struct section *section = &sections[id];

  3546.     printf("%c%c%c",

  3547.            section->flags & SECTION_FLAG_IS_WRAPPER           ? 'W' : '.',

  3548.            section->flags & SECTION_FLAG_IS_ARRAY             ? 'A' : '.',

  3549.            section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS  ? 'V' : '.');

  3550.     printf("%*c  %s", level * 4, ' ', section->name);

  3551.     if (section->unique_name)

  3552.         printf("/%s", section->unique_name);

  3553.     printf("\n");

  3554. 

  3555.     for (pid = section->children_ids; *pid != -1; pid++)

  3556.         print_section(*pid, level+1);

  3557. }

  3558. 

  3559. static int opt_sections(void *optctx, const char *opt, const char *arg)

  3560. {

  3561.     printf("Sections:\n"

  3562.            "W.. = Section is a wrapper (contains other sections, no local entries)\n"

  3563.            ".A. = Section contains an array of elements of the same type\n"

  3564.            "..V = Section may contain a variable number of fields with variable keys\n"

  3565.            "FLAGS NAME/UNIQUE_NAME\n"

  3566.            "---\n");

  3567.     print_section(SECTION_ID_ROOT, 0);

  3568.     return 0;

  3569. }

  3570. 

  3571. static int opt_show_versions(void *optctx, const char *opt, const char *arg)

  3572. {

  3573.     mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);

  3574.     mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);

  3575.     return 0;

  3576. }

  3577. 

  3578. #define DEFINE_OPT_SHOW_SECTION(section, target_section_id)             \

  3579.     static int opt_show_##section(void *optctx, const char *opt, const char *arg) \

  3580.     {                                                                   \

  3581.         mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \

  3582.         return 0;                                                       \

  3583.     }

  3584. 

  3585. DEFINE_OPT_SHOW_SECTION(chapters,         CHAPTERS)

  3586. DEFINE_OPT_SHOW_SECTION(error,            ERROR)

  3587. DEFINE_OPT_SHOW_SECTION(format,           FORMAT)

  3588. DEFINE_OPT_SHOW_SECTION(frames,           FRAMES)

  3589. DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS)

  3590. DEFINE_OPT_SHOW_SECTION(packets,          PACKETS)

  3591. DEFINE_OPT_SHOW_SECTION(pixel_formats,    PIXEL_FORMATS)

  3592. DEFINE_OPT_SHOW_SECTION(program_version,  PROGRAM_VERSION)

  3593. DEFINE_OPT_SHOW_SECTION(streams,          STREAMS)

  3594. DEFINE_OPT_SHOW_SECTION(programs,         PROGRAMS)

  3595. 

  3596. static const OptionDef real_options[] = {

  3597.     CMDUTILS_COMMON_OPTIONS

  3598.     { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },

  3599.     { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },

  3600.     { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },

  3601.     { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},

  3602.       "use binary prefixes for byte units" },

  3603.     { "sexagesimal", OPT_BOOL,  {&use_value_sexagesimal_format},

  3604.       "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },

  3605.     { "pretty", 0, {.func_arg = opt_pretty},

  3606.       "prettify the format of displayed values, make it more human readable" },

  3607.     { "print_format", OPT_STRING | HAS_ARG, { &print_format },

  3608.       "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },

  3609.     { "of", OPT_STRING | HAS_ARG, { &print_format }, "alias for -print_format", "format" },

  3610.     { "select_streams", OPT_STRING | HAS_ARG, { &stream_specifier }, "select the specified streams", "stream_specifier" },

  3611.     { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },

  3612.     { "show_data",    OPT_BOOL, { &do_show_data }, "show packets data" },

  3613.     { "show_data_hash", OPT_STRING | HAS_ARG, { &show_data_hash }, "show packets data hash" },

  3614.     { "show_error",   0, { .func_arg = &opt_show_error },  "show probing error" },

  3615.     { "show_format",  0, { .func_arg = &opt_show_format }, "show format/container info" },

  3616.     { "show_frames",  0, { .func_arg = &opt_show_frames }, "show frames info" },

  3617.     { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},

  3618.       "show a particular entry from the format/container info", "entry" },

  3619.     { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},

  3620.       "show a set of specified entries", "entry_list" },

  3621. #if HAVE_THREADS

  3622.     { "show_log", OPT_INT|HAS_ARG, { &do_show_log }, "show log" },

  3623. #endif

  3624.     { "show_packets", 0, { .func_arg = &opt_show_packets }, "show packets info" },

  3625.     { "show_programs", 0, { .func_arg = &opt_show_programs }, "show programs info" },

  3626.     { "show_streams", 0, { .func_arg = &opt_show_streams }, "show streams info" },

  3627.     { "show_chapters", 0, { .func_arg = &opt_show_chapters }, "show chapters info" },

  3628.     { "count_frames", OPT_BOOL, { &do_count_frames }, "count the number of frames per stream" },

  3629.     { "count_packets", OPT_BOOL, { &do_count_packets }, "count the number of packets per stream" },

  3630.     { "show_program_version",  0, { .func_arg = &opt_show_program_version },  "show ffprobe version" },

  3631.     { "show_library_versions", 0, { .func_arg = &opt_show_library_versions }, "show library versions" },

  3632.     { "show_versions",         0, { .func_arg = &opt_show_versions }, "show program and library versions" },

  3633.     { "show_pixel_formats", 0, { .func_arg = &opt_show_pixel_formats }, "show pixel format descriptions" },

  3634.     { "show_private_data", OPT_BOOL, { &show_private_data }, "show private data" },

  3635.     { "private",           OPT_BOOL, { &show_private_data }, "same as show_private_data" },

  3636.     { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },

  3637.     { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },

  3638.     { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },

  3639.     { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},

  3640.     { "print_filename", HAS_ARG, {.func_arg = opt_print_filename}, "override the printed input filename", "print_file"},

  3641.     { "find_stream_info", OPT_BOOL | OPT_INPUT | OPT_EXPERT, { &find_stream_info },

  3642.         "read and decode the streams to fill missing information with heuristics" },

  3643.     { NULL, },

  3644. };

  3645. 

  3646. static inline int check_section_show_entries(int section_id)

  3647. {

  3648.     int *id;

  3649.     struct section *section = &sections[section_id];

  3650.     if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)

  3651.         return 1;

  3652.     for (id = section->children_ids; *id != -1; id++)

  3653.         if (check_section_show_entries(*id))

  3654.             return 1;

  3655.     return 0;

  3656. }

  3657. 

  3658. #define SET_DO_SHOW(id, varname) do {                                   \

  3659.         if (check_section_show_entries(SECTION_ID_##id))                \

  3660.             do_show_##varname = 1;                                      \

  3661.     } while (0)

  3662. 

  3663. int main(int argc, char **argv)

  3664. {

  3665.     const Writer *w;

  3666.     WriterContext *wctx;

  3667.     char *buf;

  3668.     char *w_name = NULL, *w_args = NULL;

  3669.     int ret, i;

  3670. 

  3671.     init_dynload();

  3672. 

  3673. #if HAVE_THREADS

  3674.     ret = pthread_mutex_init(&log_mutex, NULL);

  3675.     if (ret != 0) {

  3676.         goto end;

  3677.     }

  3678. #endif

  3679.     av_log_set_flags(AV_LOG_SKIP_REPEATED);

  3680.     register_exit(ffprobe_cleanup);

  3681. 

  3682.     options = real_options;

  3683.     parse_loglevel(argc, argv, options);

  3684.     avformat_network_init();

  3685.     init_opts();

  3686. #if CONFIG_AVDEVICE

  3687.     avdevice_register_all();

  3688. #endif

  3689. 

  3690.     show_banner(argc, argv, options);

  3691.     parse_options(NULL, argc, argv, options, opt_input_file);

  3692. 

  3693.     if (do_show_log)

  3694.         av_log_set_callback(log_callback);

  3695. 

  3696.     /* mark things to show, based on -show_entries */

  3697.     SET_DO_SHOW(CHAPTERS, chapters);

  3698.     SET_DO_SHOW(ERROR, error);

  3699.     SET_DO_SHOW(FORMAT, format);

  3700.     SET_DO_SHOW(FRAMES, frames);

  3701.     SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);

  3702.     SET_DO_SHOW(PACKETS, packets);

  3703.     SET_DO_SHOW(PIXEL_FORMATS, pixel_formats);

  3704.     SET_DO_SHOW(PIXEL_FORMAT_FLAGS, pixel_format_flags);

  3705.     SET_DO_SHOW(PIXEL_FORMAT_COMPONENTS, pixel_format_components);

  3706.     SET_DO_SHOW(PROGRAM_VERSION, program_version);

  3707.     SET_DO_SHOW(PROGRAMS, programs);

  3708.     SET_DO_SHOW(STREAMS, streams);

  3709.     SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);

  3710.     SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);

  3711. 

  3712.     SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);

  3713.     SET_DO_SHOW(FORMAT_TAGS, format_tags);

  3714.     SET_DO_SHOW(FRAME_TAGS, frame_tags);

  3715.     SET_DO_SHOW(PROGRAM_TAGS, program_tags);

  3716.     SET_DO_SHOW(STREAM_TAGS, stream_tags);

  3717.     SET_DO_SHOW(PROGRAM_STREAM_TAGS, stream_tags);

  3718.     SET_DO_SHOW(PACKET_TAGS, packet_tags);

  3719. 

  3720.     if (do_bitexact && (do_show_program_version || do_show_library_versions)) {

  3721.         av_log(NULL, AV_LOG_ERROR,

  3722.                "-bitexact and -show_program_version or -show_library_versions "

  3723.                "options are incompatible\n");

  3724.         ret = AVERROR(EINVAL);

  3725.         goto end;

  3726.     }

  3727. 

  3728.     writer_register_all();

  3729. 

  3730.     if (!print_format)

  3731.         print_format = av_strdup("default");

  3732.     if (!print_format) {

  3733.         ret = AVERROR(ENOMEM);

  3734.         goto end;

  3735.     }

  3736.     w_name = av_strtok(print_format, "=", &buf);

  3737.     if (!w_name) {

  3738.         av_log(NULL, AV_LOG_ERROR,

  3739.                "No name specified for the output format\n");

  3740.         ret = AVERROR(EINVAL);

  3741.         goto end;

  3742.     }

  3743.     w_args = buf;

  3744. 

  3745.     if (show_data_hash) {

  3746.         if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) {

  3747.             if (ret == AVERROR(EINVAL)) {

  3748.                 const char *n;

  3749.                 av_log(NULL, AV_LOG_ERROR,

  3750.                        "Unknown hash algorithm '%s'\nKnown algorithms:",

  3751.                        show_data_hash);

  3752.                 for (i = 0; (n = av_hash_names(i)); i++)

  3753.                     av_log(NULL, AV_LOG_ERROR, " %s", n);

  3754.                 av_log(NULL, AV_LOG_ERROR, "\n");

  3755.             }

  3756.             goto end;

  3757.         }

  3758.     }

  3759. 

  3760.     w = writer_get_by_name(w_name);

  3761.     if (!w) {

  3762.         av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);

  3763.         ret = AVERROR(EINVAL);

  3764.         goto end;

  3765.     }

  3766. 

  3767.     if ((ret = writer_open(&wctx, w, w_args,

  3768.                            sections, FF_ARRAY_ELEMS(sections))) >= 0) {

  3769.         if (w == &xml_writer)

  3770.             wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;

  3771. 

  3772.         writer_print_section_header(wctx, SECTION_ID_ROOT);

  3773. 

  3774.         if (do_show_program_version)

  3775.             ffprobe_show_program_version(wctx);

  3776.         if (do_show_library_versions)

  3777.             ffprobe_show_library_versions(wctx);

  3778.         if (do_show_pixel_formats)

  3779.             ffprobe_show_pixel_formats(wctx);

  3780. 

  3781.         if (!input_filename &&

  3782.             ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||

  3783.              (!do_show_program_version && !do_show_library_versions && !do_show_pixel_formats))) {

  3784.             show_usage();

  3785.             av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");

  3786.             av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);

  3787.             ret = AVERROR(EINVAL);

  3788.         } else if (input_filename) {

  3789.             ret = probe_file(wctx, input_filename, print_input_filename);

  3790.             if (ret < 0 && do_show_error)

  3791.                 show_error(wctx, ret);

  3792.         }

  3793. 

  3794.         writer_print_section_footer(wctx);

  3795.         writer_close(&wctx);

  3796.     }

  3797. 

  3798. end:

  3799.     av_freep(&print_format);

  3800.     av_freep(&read_intervals);

  3801.     av_hash_freep(&hash);

  3802. 

  3803.     uninit_opts();

  3804.     for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)

  3805.         av_dict_free(&(sections[i].entries_to_show));

  3806. 

  3807.     avformat_network_deinit();

  3808. 

  3809.     return ret < 0;

  3810. }