|
-
- /*
- * ffmpeg option parsing
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
- #include <stdint.h>
-
- #include "ffmpeg.h"
- #include "cmdutils.h"
-
- #include "libavformat/avformat.h"
-
- #include "libavcodec/avcodec.h"
-
- #include "libavfilter/avfilter.h"
-
- #include "libavutil/avassert.h"
- #include "libavutil/avstring.h"
- #include "libavutil/avutil.h"
- #include "libavutil/channel_layout.h"
- #include "libavutil/intreadwrite.h"
- #include "libavutil/fifo.h"
- #include "libavutil/mathematics.h"
- #include "libavutil/opt.h"
- #include "libavutil/parseutils.h"
- #include "libavutil/pixdesc.h"
- #include "libavutil/pixfmt.h"
-
- #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
-
- #define SPECIFIER_OPT_FMT_str "%s"
- #define SPECIFIER_OPT_FMT_i "%i"
- #define SPECIFIER_OPT_FMT_i64 "%"PRId64
- #define SPECIFIER_OPT_FMT_ui64 "%"PRIu64
- #define SPECIFIER_OPT_FMT_f "%f"
- #define SPECIFIER_OPT_FMT_dbl "%lf"
-
- static const char *const opt_name_codec_names[] = {"c", "codec", "acodec", "vcodec", "scodec", "dcodec", NULL};
- static const char *const opt_name_audio_channels[] = {"ac", NULL};
- static const char *const opt_name_audio_sample_rate[] = {"ar", NULL};
- static const char *const opt_name_frame_rates[] = {"r", NULL};
- static const char *const opt_name_max_frame_rates[] = {"fpsmax", NULL};
- static const char *const opt_name_frame_sizes[] = {"s", NULL};
- static const char *const opt_name_frame_pix_fmts[] = {"pix_fmt", NULL};
- static const char *const opt_name_ts_scale[] = {"itsscale", NULL};
- static const char *const opt_name_hwaccels[] = {"hwaccel", NULL};
- static const char *const opt_name_hwaccel_devices[] = {"hwaccel_device", NULL};
- static const char *const opt_name_hwaccel_output_formats[] = {"hwaccel_output_format", NULL};
- static const char *const opt_name_autorotate[] = {"autorotate", NULL};
- static const char *const opt_name_autoscale[] = {"autoscale", NULL};
- static const char *const opt_name_max_frames[] = {"frames", "aframes", "vframes", "dframes", NULL};
- static const char *const opt_name_bitstream_filters[] = {"bsf", "absf", "vbsf", NULL};
- static const char *const opt_name_codec_tags[] = {"tag", "atag", "vtag", "stag", NULL};
- static const char *const opt_name_sample_fmts[] = {"sample_fmt", NULL};
- static const char *const opt_name_qscale[] = {"q", "qscale", NULL};
- static const char *const opt_name_forced_key_frames[] = {"forced_key_frames", NULL};
- static const char *const opt_name_force_fps[] = {"force_fps", NULL};
- static const char *const opt_name_frame_aspect_ratios[] = {"aspect", NULL};
- static const char *const opt_name_rc_overrides[] = {"rc_override", NULL};
- static const char *const opt_name_intra_matrices[] = {"intra_matrix", NULL};
- static const char *const opt_name_inter_matrices[] = {"inter_matrix", NULL};
- static const char *const opt_name_chroma_intra_matrices[] = {"chroma_intra_matrix", NULL};
- static const char *const opt_name_top_field_first[] = {"top", NULL};
- static const char *const opt_name_presets[] = {"pre", "apre", "vpre", "spre", NULL};
- static const char *const opt_name_copy_initial_nonkeyframes[] = {"copyinkfr", NULL};
- static const char *const opt_name_copy_prior_start[] = {"copypriorss", NULL};
- static const char *const opt_name_filters[] = {"filter", "af", "vf", NULL};
- static const char *const opt_name_filter_scripts[] = {"filter_script", NULL};
- static const char *const opt_name_reinit_filters[] = {"reinit_filter", NULL};
- static const char *const opt_name_fix_sub_duration[] = {"fix_sub_duration", NULL};
- static const char *const opt_name_canvas_sizes[] = {"canvas_size", NULL};
- static const char *const opt_name_pass[] = {"pass", NULL};
- static const char *const opt_name_passlogfiles[] = {"passlogfile", NULL};
- static const char *const opt_name_max_muxing_queue_size[] = {"max_muxing_queue_size", NULL};
- static const char *const opt_name_muxing_queue_data_threshold[] = {"muxing_queue_data_threshold", NULL};
- static const char *const opt_name_guess_layout_max[] = {"guess_layout_max", NULL};
- static const char *const opt_name_apad[] = {"apad", NULL};
- static const char *const opt_name_discard[] = {"discard", NULL};
- static const char *const opt_name_disposition[] = {"disposition", NULL};
- static const char *const opt_name_time_bases[] = {"time_base", NULL};
- static const char *const opt_name_enc_time_bases[] = {"enc_time_base", NULL};
-
- #define WARN_MULTIPLE_OPT_USAGE(name, type, so, st)\
- {\
- char namestr[128] = "";\
- const char *spec = so->specifier && so->specifier[0] ? so->specifier : "";\
- for (i = 0; opt_name_##name[i]; i++)\
- av_strlcatf(namestr, sizeof(namestr), "-%s%s", opt_name_##name[i], opt_name_##name[i+1] ? (opt_name_##name[i+2] ? ", " : " or ") : "");\
- av_log(NULL, AV_LOG_WARNING, "Multiple %s options specified for stream %d, only the last option '-%s%s%s "SPECIFIER_OPT_FMT_##type"' will be used.\n",\
- namestr, st->index, opt_name_##name[0], spec[0] ? ":" : "", spec, so->u.type);\
- }
-
- #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
- {\
- int i, ret, matches = 0;\
- SpecifierOpt *so;\
- for (i = 0; i < o->nb_ ## name; i++) {\
- char *spec = o->name[i].specifier;\
- if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0) {\
- outvar = o->name[i].u.type;\
- so = &o->name[i];\
- matches++;\
- } else if (ret < 0)\
- exit_program(1);\
- }\
- if (matches > 1)\
- WARN_MULTIPLE_OPT_USAGE(name, type, so, st);\
- }
-
- #define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
- {\
- int i;\
- for (i = 0; i < o->nb_ ## name; i++) {\
- char *spec = o->name[i].specifier;\
- if (!strcmp(spec, mediatype))\
- outvar = o->name[i].u.type;\
- }\
- }
-
- const HWAccel hwaccels[] = {
- #if CONFIG_VIDEOTOOLBOX
- { "videotoolbox", videotoolbox_init, HWACCEL_VIDEOTOOLBOX, AV_PIX_FMT_VIDEOTOOLBOX },
- #endif
- #if CONFIG_LIBMFX
- { "qsv", qsv_init, HWACCEL_QSV, AV_PIX_FMT_QSV },
- #endif
- { 0 },
- };
- HWDevice *filter_hw_device;
-
- char *vstats_filename;
- char *sdp_filename;
-
- float audio_drift_threshold = 0.1;
- float dts_delta_threshold = 10;
- float dts_error_threshold = 3600*30;
-
- int audio_volume = 256;
- int audio_sync_method = 0;
- int video_sync_method = VSYNC_AUTO;
- float frame_drop_threshold = 0;
- int do_deinterlace = 0;
- int do_benchmark = 0;
- int do_benchmark_all = 0;
- int do_hex_dump = 0;
- int do_pkt_dump = 0;
- int copy_ts = 0;
- int start_at_zero = 0;
- int copy_tb = -1;
- int debug_ts = 0;
- int exit_on_error = 0;
- int abort_on_flags = 0;
- int print_stats = -1;
- int qp_hist = 0;
- int stdin_interaction = 1;
- int frame_bits_per_raw_sample = 0;
- float max_error_rate = 2.0/3;
- int filter_nbthreads = 0;
- int filter_complex_nbthreads = 0;
- int vstats_version = 2;
- int auto_conversion_filters = 1;
- int64_t stats_period = 500000;
-
-
- static int intra_only = 0;
- static int file_overwrite = 0;
- static int no_file_overwrite = 0;
- static int do_psnr = 0;
- static int input_sync;
- static int input_stream_potentially_available = 0;
- static int ignore_unknown_streams = 0;
- static int copy_unknown_streams = 0;
- static int find_stream_info = 1;
-
- static void uninit_options(OptionsContext *o)
- {
- const OptionDef *po = options;
- int i;
-
- /* all OPT_SPEC and OPT_STRING can be freed in generic way */
- while (po->name) {
- void *dst = (uint8_t*)o + po->u.off;
-
- if (po->flags & OPT_SPEC) {
- SpecifierOpt **so = dst;
- int i, *count = (int*)(so + 1);
- for (i = 0; i < *count; i++) {
- av_freep(&(*so)[i].specifier);
- if (po->flags & OPT_STRING)
- av_freep(&(*so)[i].u.str);
- }
- av_freep(so);
- *count = 0;
- } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
- av_freep(dst);
- po++;
- }
-
- for (i = 0; i < o->nb_stream_maps; i++)
- av_freep(&o->stream_maps[i].linklabel);
- av_freep(&o->stream_maps);
- av_freep(&o->audio_channel_maps);
- av_freep(&o->streamid_map);
- av_freep(&o->attachments);
- }
-
- static void init_options(OptionsContext *o)
- {
- memset(o, 0, sizeof(*o));
-
- o->stop_time = INT64_MAX;
- o->mux_max_delay = 0.7;
- o->start_time = AV_NOPTS_VALUE;
- o->start_time_eof = AV_NOPTS_VALUE;
- o->recording_time = INT64_MAX;
- o->limit_filesize = UINT64_MAX;
- o->chapters_input_file = INT_MAX;
- o->accurate_seek = 1;
- o->thread_queue_size = -1;
- }
-
- static int show_hwaccels(void *optctx, const char *opt, const char *arg)
- {
- enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
-
- printf("Hardware acceleration methods:\n");
- while ((type = av_hwdevice_iterate_types(type)) !=
- AV_HWDEVICE_TYPE_NONE)
- printf("%s\n", av_hwdevice_get_type_name(type));
- printf("\n");
- return 0;
- }
-
- /* return a copy of the input with the stream specifiers removed from the keys */
- static AVDictionary *strip_specifiers(AVDictionary *dict)
- {
- AVDictionaryEntry *e = NULL;
- AVDictionary *ret = NULL;
-
- while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
- char *p = strchr(e->key, ':');
-
- if (p)
- *p = 0;
- av_dict_set(&ret, e->key, e->value, 0);
- if (p)
- *p = ':';
- }
- return ret;
- }
-
- static int opt_abort_on(void *optctx, const char *opt, const char *arg)
- {
- static const AVOption opts[] = {
- { "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
- { "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
- { "empty_output_stream", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM }, .unit = "flags" },
- { NULL },
- };
- static const AVClass class = {
- .class_name = "",
- .item_name = av_default_item_name,
- .option = opts,
- .version = LIBAVUTIL_VERSION_INT,
- };
- const AVClass *pclass = &class;
-
- return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
- }
-
- static int opt_stats_period(void *optctx, const char *opt, const char *arg)
- {
- int64_t user_stats_period = parse_time_or_die(opt, arg, 1);
-
- if (user_stats_period <= 0) {
- av_log(NULL, AV_LOG_ERROR, "stats_period %s must be positive.\n", arg);
- return AVERROR(EINVAL);
- }
-
- stats_period = user_stats_period;
- av_log(NULL, AV_LOG_INFO, "ffmpeg stats and -progress period set to %s.\n", arg);
-
- return 0;
- }
-
- static int opt_sameq(void *optctx, const char *opt, const char *arg)
- {
- av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
- "If you are looking for an option to preserve the quality (which is not "
- "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
- opt, opt);
- return AVERROR(EINVAL);
- }
-
- static int opt_video_channel(void *optctx, const char *opt, const char *arg)
- {
- av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
- return opt_default(optctx, "channel", arg);
- }
-
- static int opt_video_standard(void *optctx, const char *opt, const char *arg)
- {
- av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
- return opt_default(optctx, "standard", arg);
- }
-
- static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "codec:a", arg, options);
- }
-
- static int opt_video_codec(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "codec:v", arg, options);
- }
-
- static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "codec:s", arg, options);
- }
-
- static int opt_data_codec(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "codec:d", arg, options);
- }
-
- static int opt_map(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- StreamMap *m = NULL;
- int i, negative = 0, file_idx, disabled = 0;
- int sync_file_idx = -1, sync_stream_idx = 0;
- char *p, *sync;
- char *map;
- char *allow_unused;
-
- if (*arg == '-') {
- negative = 1;
- arg++;
- }
- map = av_strdup(arg);
- if (!map)
- return AVERROR(ENOMEM);
-
- /* parse sync stream first, just pick first matching stream */
- if (sync = strchr(map, ',')) {
- *sync = 0;
- sync_file_idx = strtol(sync + 1, &sync, 0);
- if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
- exit_program(1);
- }
- if (*sync)
- sync++;
- for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
- if (check_stream_specifier(input_files[sync_file_idx]->ctx,
- input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
- sync_stream_idx = i;
- break;
- }
- if (i == input_files[sync_file_idx]->nb_streams) {
- av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
- "match any streams.\n", arg);
- exit_program(1);
- }
- if (input_streams[input_files[sync_file_idx]->ist_index + sync_stream_idx]->user_set_discard == AVDISCARD_ALL) {
- av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s matches a disabled input "
- "stream.\n", arg);
- exit_program(1);
- }
- }
-
-
- if (map[0] == '[') {
- /* this mapping refers to lavfi output */
- const char *c = map + 1;
- GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
- m = &o->stream_maps[o->nb_stream_maps - 1];
- m->linklabel = av_get_token(&c, "]");
- if (!m->linklabel) {
- av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
- exit_program(1);
- }
- } else {
- if (allow_unused = strchr(map, '?'))
- *allow_unused = 0;
- file_idx = strtol(map, &p, 0);
- if (file_idx >= nb_input_files || file_idx < 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
- exit_program(1);
- }
- if (negative)
- /* disable some already defined maps */
- for (i = 0; i < o->nb_stream_maps; i++) {
- m = &o->stream_maps[i];
- if (file_idx == m->file_index &&
- check_stream_specifier(input_files[m->file_index]->ctx,
- input_files[m->file_index]->ctx->streams[m->stream_index],
- *p == ':' ? p + 1 : p) > 0)
- m->disabled = 1;
- }
- else
- for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
- if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
- *p == ':' ? p + 1 : p) <= 0)
- continue;
- if (input_streams[input_files[file_idx]->ist_index + i]->user_set_discard == AVDISCARD_ALL) {
- disabled = 1;
- continue;
- }
- GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
- m = &o->stream_maps[o->nb_stream_maps - 1];
-
- m->file_index = file_idx;
- m->stream_index = i;
-
- if (sync_file_idx >= 0) {
- m->sync_file_index = sync_file_idx;
- m->sync_stream_index = sync_stream_idx;
- } else {
- m->sync_file_index = file_idx;
- m->sync_stream_index = i;
- }
- }
- }
-
- if (!m) {
- if (allow_unused) {
- av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
- } else if (disabled) {
- av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches disabled streams.\n"
- "To ignore this, add a trailing '?' to the map.\n", arg);
- exit_program(1);
- } else {
- av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
- "To ignore this, add a trailing '?' to the map.\n", arg);
- exit_program(1);
- }
- }
-
- av_freep(&map);
- return 0;
- }
-
- static int opt_attach(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- GROW_ARRAY(o->attachments, o->nb_attachments);
- o->attachments[o->nb_attachments - 1] = arg;
- return 0;
- }
-
- static int opt_map_channel(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- int n;
- AVStream *st;
- AudioChannelMap *m;
- char *allow_unused;
- char *mapchan;
- mapchan = av_strdup(arg);
- if (!mapchan)
- return AVERROR(ENOMEM);
-
- GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
- m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
-
- /* muted channel syntax */
- n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
- if ((n == 1 || n == 3) && m->channel_idx == -1) {
- m->file_idx = m->stream_idx = -1;
- if (n == 1)
- m->ofile_idx = m->ostream_idx = -1;
- av_free(mapchan);
- return 0;
- }
-
- /* normal syntax */
- n = sscanf(arg, "%d.%d.%d:%d.%d",
- &m->file_idx, &m->stream_idx, &m->channel_idx,
- &m->ofile_idx, &m->ostream_idx);
-
- if (n != 3 && n != 5) {
- av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
- "[file.stream.channel|-1][:syncfile:syncstream]\n");
- exit_program(1);
- }
-
- if (n != 5) // only file.stream.channel specified
- m->ofile_idx = m->ostream_idx = -1;
-
- /* check input */
- if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
- av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
- m->file_idx);
- exit_program(1);
- }
- if (m->stream_idx < 0 ||
- m->stream_idx >= input_files[m->file_idx]->nb_streams) {
- av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
- m->file_idx, m->stream_idx);
- exit_program(1);
- }
- st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
- if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
- av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
- m->file_idx, m->stream_idx);
- exit_program(1);
- }
- /* allow trailing ? to map_channel */
- if (allow_unused = strchr(mapchan, '?'))
- *allow_unused = 0;
- if (m->channel_idx < 0 || m->channel_idx >= st->codecpar->channels ||
- input_streams[input_files[m->file_idx]->ist_index + m->stream_idx]->user_set_discard == AVDISCARD_ALL) {
- if (allow_unused) {
- av_log(NULL, AV_LOG_VERBOSE, "mapchan: invalid audio channel #%d.%d.%d\n",
- m->file_idx, m->stream_idx, m->channel_idx);
- } else {
- av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n"
- "To ignore this, add a trailing '?' to the map_channel.\n",
- m->file_idx, m->stream_idx, m->channel_idx);
- exit_program(1);
- }
-
- }
- av_free(mapchan);
- return 0;
- }
-
- static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
- {
- av_free(sdp_filename);
- sdp_filename = av_strdup(arg);
- return 0;
- }
-
- #if CONFIG_VAAPI
- static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
- {
- const char *prefix = "vaapi:";
- char *tmp;
- int err;
- tmp = av_asprintf("%s%s", prefix, arg);
- if (!tmp)
- return AVERROR(ENOMEM);
- err = hw_device_init_from_string(tmp, NULL);
- av_free(tmp);
- return err;
- }
- #endif
-
- static int opt_init_hw_device(void *optctx, const char *opt, const char *arg)
- {
- if (!strcmp(arg, "list")) {
- enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
- printf("Supported hardware device types:\n");
- while ((type = av_hwdevice_iterate_types(type)) !=
- AV_HWDEVICE_TYPE_NONE)
- printf("%s\n", av_hwdevice_get_type_name(type));
- printf("\n");
- exit_program(0);
- } else {
- return hw_device_init_from_string(arg, NULL);
- }
- }
-
- static int opt_filter_hw_device(void *optctx, const char *opt, const char *arg)
- {
- if (filter_hw_device) {
- av_log(NULL, AV_LOG_ERROR, "Only one filter device can be used.\n");
- return AVERROR(EINVAL);
- }
- filter_hw_device = hw_device_get_by_name(arg);
- if (!filter_hw_device) {
- av_log(NULL, AV_LOG_ERROR, "Invalid filter device %s.\n", arg);
- return AVERROR(EINVAL);
- }
- return 0;
- }
-
- /**
- * Parse a metadata specifier passed as 'arg' parameter.
- * @param arg metadata string to parse
- * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
- * @param index for type c/p, chapter/program index is written here
- * @param stream_spec for type s, the stream specifier is written here
- */
- static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
- {
- if (*arg) {
- *type = *arg;
- switch (*arg) {
- case 'g':
- break;
- case 's':
- if (*(++arg) && *arg != ':') {
- av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
- exit_program(1);
- }
- *stream_spec = *arg == ':' ? arg + 1 : "";
- break;
- case 'c':
- case 'p':
- if (*(++arg) == ':')
- *index = strtol(++arg, NULL, 0);
- break;
- default:
- av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
- exit_program(1);
- }
- } else
- *type = 'g';
- }
-
- static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
- {
- AVDictionary **meta_in = NULL;
- AVDictionary **meta_out = NULL;
- int i, ret = 0;
- char type_in, type_out;
- const char *istream_spec = NULL, *ostream_spec = NULL;
- int idx_in = 0, idx_out = 0;
-
- parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
- parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
-
- if (!ic) {
- if (type_out == 'g' || !*outspec)
- o->metadata_global_manual = 1;
- if (type_out == 's' || !*outspec)
- o->metadata_streams_manual = 1;
- if (type_out == 'c' || !*outspec)
- o->metadata_chapters_manual = 1;
- return 0;
- }
-
- if (type_in == 'g' || type_out == 'g')
- o->metadata_global_manual = 1;
- if (type_in == 's' || type_out == 's')
- o->metadata_streams_manual = 1;
- if (type_in == 'c' || type_out == 'c')
- o->metadata_chapters_manual = 1;
-
- /* ic is NULL when just disabling automatic mappings */
- if (!ic)
- return 0;
-
- #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
- if ((index) < 0 || (index) >= (nb_elems)) {\
- av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
- (desc), (index));\
- exit_program(1);\
- }
-
- #define SET_DICT(type, meta, context, index)\
- switch (type) {\
- case 'g':\
- meta = &context->metadata;\
- break;\
- case 'c':\
- METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
- meta = &context->chapters[index]->metadata;\
- break;\
- case 'p':\
- METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
- meta = &context->programs[index]->metadata;\
- break;\
- case 's':\
- break; /* handled separately below */ \
- default: av_assert0(0);\
- }\
-
- SET_DICT(type_in, meta_in, ic, idx_in);
- SET_DICT(type_out, meta_out, oc, idx_out);
-
- /* for input streams choose first matching stream */
- if (type_in == 's') {
- for (i = 0; i < ic->nb_streams; i++) {
- if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
- meta_in = &ic->streams[i]->metadata;
- break;
- } else if (ret < 0)
- exit_program(1);
- }
- if (!meta_in) {
- av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
- exit_program(1);
- }
- }
-
- if (type_out == 's') {
- for (i = 0; i < oc->nb_streams; i++) {
- if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
- meta_out = &oc->streams[i]->metadata;
- av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
- } else if (ret < 0)
- exit_program(1);
- }
- } else
- av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
-
- return 0;
- }
-
- static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- char buf[128];
- int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
- struct tm time = *gmtime((time_t*)&recording_timestamp);
- if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
- return -1;
- parse_option(o, "metadata", buf, options);
-
- av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
- "tag instead.\n", opt);
- return 0;
- }
-
- static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
- {
- const AVCodecDescriptor *desc;
- const char *codec_string = encoder ? "encoder" : "decoder";
- AVCodec *codec;
-
- codec = encoder ?
- avcodec_find_encoder_by_name(name) :
- avcodec_find_decoder_by_name(name);
-
- if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
- codec = encoder ? avcodec_find_encoder(desc->id) :
- avcodec_find_decoder(desc->id);
- if (codec)
- av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
- codec_string, codec->name, desc->name);
- }
-
- if (!codec) {
- av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
- exit_program(1);
- }
- if (codec->type != type) {
- av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
- exit_program(1);
- }
- return codec;
- }
-
- static const AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
- {
- char *codec_name = NULL;
-
- MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
- if (codec_name) {
- const AVCodec *codec = find_codec_or_die(codec_name, st->codecpar->codec_type, 0);
- st->codecpar->codec_id = codec->id;
- return codec;
- } else
- return avcodec_find_decoder(st->codecpar->codec_id);
- }
-
- /* Add all the streams from the given input file to the global
- * list of input streams. */
- static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
- {
- int i, ret;
-
- for (i = 0; i < ic->nb_streams; i++) {
- AVStream *st = ic->streams[i];
- AVCodecParameters *par = st->codecpar;
- InputStream *ist = av_mallocz(sizeof(*ist));
- char *framerate = NULL, *hwaccel_device = NULL;
- const char *hwaccel = NULL;
- char *hwaccel_output_format = NULL;
- char *codec_tag = NULL;
- char *next;
- char *discard_str = NULL;
- const AVClass *cc = avcodec_get_class();
- const AVOption *discard_opt = av_opt_find(&cc, "skip_frame", NULL, 0, 0);
-
- if (!ist)
- exit_program(1);
-
- GROW_ARRAY(input_streams, nb_input_streams);
- input_streams[nb_input_streams - 1] = ist;
-
- ist->st = st;
- ist->file_index = nb_input_files;
- ist->discard = 1;
- st->discard = AVDISCARD_ALL;
- ist->nb_samples = 0;
- ist->min_pts = INT64_MAX;
- ist->max_pts = INT64_MIN;
-
- ist->ts_scale = 1.0;
- MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
-
- ist->autorotate = 1;
- MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
-
- MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
- if (codec_tag) {
- uint32_t tag = strtol(codec_tag, &next, 0);
- if (*next)
- tag = AV_RL32(codec_tag);
- st->codecpar->codec_tag = tag;
- }
-
- ist->dec = choose_decoder(o, ic, st);
- ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codecpar->codec_id, ic, st, ist->dec);
-
- ist->reinit_filters = -1;
- MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
-
- MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
- ist->user_set_discard = AVDISCARD_NONE;
-
- if ((o->video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) ||
- (o->audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ||
- (o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) ||
- (o->data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA))
- ist->user_set_discard = AVDISCARD_ALL;
-
- if (discard_str && av_opt_eval_int(&cc, discard_opt, discard_str, &ist->user_set_discard) < 0) {
- av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
- discard_str);
- exit_program(1);
- }
-
- ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
-
- ist->dec_ctx = avcodec_alloc_context3(ist->dec);
- if (!ist->dec_ctx) {
- av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
- exit_program(1);
- }
-
- ret = avcodec_parameters_to_context(ist->dec_ctx, par);
- if (ret < 0) {
- av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
- exit_program(1);
- }
-
- if (o->bitexact)
- ist->dec_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
-
- switch (par->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- if(!ist->dec)
- ist->dec = avcodec_find_decoder(par->codec_id);
-
- // avformat_find_stream_info() doesn't set this for us anymore.
- ist->dec_ctx->framerate = st->avg_frame_rate;
-
- MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
- if (framerate && av_parse_video_rate(&ist->framerate,
- framerate) < 0) {
- av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
- framerate);
- exit_program(1);
- }
-
- ist->top_field_first = -1;
- MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
-
- MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
- MATCH_PER_STREAM_OPT(hwaccel_output_formats, str,
- hwaccel_output_format, ic, st);
-
- if (!hwaccel_output_format && hwaccel && !strcmp(hwaccel, "cuvid")) {
- av_log(NULL, AV_LOG_WARNING,
- "WARNING: defaulting hwaccel_output_format to cuda for compatibility "
- "with old commandlines. This behaviour is DEPRECATED and will be removed "
- "in the future. Please explicitly set \"-hwaccel_output_format cuda\".\n");
- ist->hwaccel_output_format = AV_PIX_FMT_CUDA;
- } else if (hwaccel_output_format) {
- ist->hwaccel_output_format = av_get_pix_fmt(hwaccel_output_format);
- if (ist->hwaccel_output_format == AV_PIX_FMT_NONE) {
- av_log(NULL, AV_LOG_FATAL, "Unrecognised hwaccel output "
- "format: %s", hwaccel_output_format);
- }
- } else {
- ist->hwaccel_output_format = AV_PIX_FMT_NONE;
- }
-
- if (hwaccel) {
- // The NVDEC hwaccels use a CUDA device, so remap the name here.
- if (!strcmp(hwaccel, "nvdec") || !strcmp(hwaccel, "cuvid"))
- hwaccel = "cuda";
-
- if (!strcmp(hwaccel, "none"))
- ist->hwaccel_id = HWACCEL_NONE;
- else if (!strcmp(hwaccel, "auto"))
- ist->hwaccel_id = HWACCEL_AUTO;
- else {
- enum AVHWDeviceType type;
- int i;
- for (i = 0; hwaccels[i].name; i++) {
- if (!strcmp(hwaccels[i].name, hwaccel)) {
- ist->hwaccel_id = hwaccels[i].id;
- break;
- }
- }
-
- if (!ist->hwaccel_id) {
- type = av_hwdevice_find_type_by_name(hwaccel);
- if (type != AV_HWDEVICE_TYPE_NONE) {
- ist->hwaccel_id = HWACCEL_GENERIC;
- ist->hwaccel_device_type = type;
- }
- }
-
- if (!ist->hwaccel_id) {
- av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
- hwaccel);
- av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
- type = AV_HWDEVICE_TYPE_NONE;
- while ((type = av_hwdevice_iterate_types(type)) !=
- AV_HWDEVICE_TYPE_NONE)
- av_log(NULL, AV_LOG_FATAL, "%s ",
- av_hwdevice_get_type_name(type));
- av_log(NULL, AV_LOG_FATAL, "\n");
- exit_program(1);
- }
- }
- }
-
- MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
- if (hwaccel_device) {
- ist->hwaccel_device = av_strdup(hwaccel_device);
- if (!ist->hwaccel_device)
- exit_program(1);
- }
-
- ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
-
- break;
- case AVMEDIA_TYPE_AUDIO:
- ist->guess_layout_max = INT_MAX;
- MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
- guess_input_channel_layout(ist);
- break;
- case AVMEDIA_TYPE_DATA:
- case AVMEDIA_TYPE_SUBTITLE: {
- char *canvas_size = NULL;
- if(!ist->dec)
- ist->dec = avcodec_find_decoder(par->codec_id);
- MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
- MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
- if (canvas_size &&
- av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
- exit_program(1);
- }
- break;
- }
- case AVMEDIA_TYPE_ATTACHMENT:
- case AVMEDIA_TYPE_UNKNOWN:
- break;
- default:
- abort();
- }
-
- ret = avcodec_parameters_from_context(par, ist->dec_ctx);
- if (ret < 0) {
- av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
- exit_program(1);
- }
- }
- }
-
- static void assert_file_overwrite(const char *filename)
- {
- const char *proto_name = avio_find_protocol_name(filename);
-
- if (file_overwrite && no_file_overwrite) {
- fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
- exit_program(1);
- }
-
- if (!file_overwrite) {
- if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
- if (stdin_interaction && !no_file_overwrite) {
- fprintf(stderr,"File '%s' already exists. Overwrite? [y/N] ", filename);
- fflush(stderr);
- term_exit();
- signal(SIGINT, SIG_DFL);
- if (!read_yesno()) {
- av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
- exit_program(1);
- }
- term_init();
- }
- else {
- av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
- exit_program(1);
- }
- }
- }
-
- if (proto_name && !strcmp(proto_name, "file")) {
- for (int i = 0; i < nb_input_files; i++) {
- InputFile *file = input_files[i];
- if (file->ctx->iformat->flags & AVFMT_NOFILE)
- continue;
- if (!strcmp(filename, file->ctx->url)) {
- av_log(NULL, AV_LOG_FATAL, "Output %s same as Input #%d - exiting\n", filename, i);
- av_log(NULL, AV_LOG_WARNING, "FFmpeg cannot edit existing files in-place.\n");
- exit_program(1);
- }
- }
- }
- }
-
- static void dump_attachment(AVStream *st, const char *filename)
- {
- int ret;
- AVIOContext *out = NULL;
- AVDictionaryEntry *e;
-
- if (!st->codecpar->extradata_size) {
- av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
- nb_input_files - 1, st->index);
- return;
- }
- if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
- filename = e->value;
- if (!*filename) {
- av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
- "in stream #%d:%d.\n", nb_input_files - 1, st->index);
- exit_program(1);
- }
-
- assert_file_overwrite(filename);
-
- if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
- filename);
- exit_program(1);
- }
-
- avio_write(out, st->codecpar->extradata, st->codecpar->extradata_size);
- avio_flush(out);
- avio_close(out);
- }
-
- static int open_input_file(OptionsContext *o, const char *filename)
- {
- InputFile *f;
- AVFormatContext *ic;
- AVInputFormat *file_iformat = NULL;
- int err, i, ret;
- int64_t timestamp;
- AVDictionary *unused_opts = NULL;
- AVDictionaryEntry *e = NULL;
- char * video_codec_name = NULL;
- char * audio_codec_name = NULL;
- char *subtitle_codec_name = NULL;
- char * data_codec_name = NULL;
- int scan_all_pmts_set = 0;
-
- if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
- o->stop_time = INT64_MAX;
- av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
- }
-
- if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
- int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
- if (o->stop_time <= start_time) {
- av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
- exit_program(1);
- } else {
- o->recording_time = o->stop_time - start_time;
- }
- }
-
- if (o->format) {
- if (!(file_iformat = av_find_input_format(o->format))) {
- av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
- exit_program(1);
- }
- }
-
- if (!strcmp(filename, "-"))
- filename = "pipe:";
-
- stdin_interaction &= strncmp(filename, "pipe:", 5) &&
- strcmp(filename, "/dev/stdin");
-
- /* get default parameters from command line */
- ic = avformat_alloc_context();
- if (!ic) {
- print_error(filename, AVERROR(ENOMEM));
- exit_program(1);
- }
- if (o->nb_audio_sample_rate) {
- av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
- }
- if (o->nb_audio_channels) {
- /* because we set audio_channels based on both the "ac" and
- * "channel_layout" options, we need to check that the specified
- * demuxer actually has the "channels" option before setting it */
- if (file_iformat && file_iformat->priv_class &&
- av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
- AV_OPT_SEARCH_FAKE_OBJ)) {
- av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
- }
- }
- if (o->nb_frame_rates) {
- /* set the format-level framerate option;
- * this is important for video grabbers, e.g. x11 */
- if (file_iformat && file_iformat->priv_class &&
- av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
- AV_OPT_SEARCH_FAKE_OBJ)) {
- av_dict_set(&o->g->format_opts, "framerate",
- o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
- }
- }
- if (o->nb_frame_sizes) {
- av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
- }
- if (o->nb_frame_pix_fmts)
- av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
-
- MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
- MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
- MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
- MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
-
- if (video_codec_name)
- ic->video_codec = find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
- if (audio_codec_name)
- ic->audio_codec = find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
- if (subtitle_codec_name)
- ic->subtitle_codec = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
- if (data_codec_name)
- ic->data_codec = find_codec_or_die(data_codec_name , AVMEDIA_TYPE_DATA , 0);
-
- ic->video_codec_id = video_codec_name ? ic->video_codec->id : AV_CODEC_ID_NONE;
- ic->audio_codec_id = audio_codec_name ? ic->audio_codec->id : AV_CODEC_ID_NONE;
- ic->subtitle_codec_id = subtitle_codec_name ? ic->subtitle_codec->id : AV_CODEC_ID_NONE;
- ic->data_codec_id = data_codec_name ? ic->data_codec->id : AV_CODEC_ID_NONE;
-
- ic->flags |= AVFMT_FLAG_NONBLOCK;
- if (o->bitexact)
- ic->flags |= AVFMT_FLAG_BITEXACT;
- ic->interrupt_callback = int_cb;
-
- if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
- av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
- scan_all_pmts_set = 1;
- }
- /* open the input file with generic avformat function */
- err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
- if (err < 0) {
- print_error(filename, err);
- if (err == AVERROR_PROTOCOL_NOT_FOUND)
- av_log(NULL, AV_LOG_ERROR, "Did you mean file:%s?\n", filename);
- exit_program(1);
- }
- if (scan_all_pmts_set)
- av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
- remove_avoptions(&o->g->format_opts, o->g->codec_opts);
- assert_avoptions(o->g->format_opts);
-
- /* apply forced codec ids */
- for (i = 0; i < ic->nb_streams; i++)
- choose_decoder(o, ic, ic->streams[i]);
-
- if (find_stream_info) {
- AVDictionary **opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
- int orig_nb_streams = ic->nb_streams;
-
- /* If not enough info to get the stream parameters, we decode the
- first frames to get it. (used in mpeg case for example) */
- ret = avformat_find_stream_info(ic, opts);
-
- for (i = 0; i < orig_nb_streams; i++)
- av_dict_free(&opts[i]);
- av_freep(&opts);
-
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
- if (ic->nb_streams == 0) {
- avformat_close_input(&ic);
- exit_program(1);
- }
- }
- }
-
- if (o->start_time != AV_NOPTS_VALUE && o->start_time_eof != AV_NOPTS_VALUE) {
- av_log(NULL, AV_LOG_WARNING, "Cannot use -ss and -sseof both, using -ss for %s\n", filename);
- o->start_time_eof = AV_NOPTS_VALUE;
- }
-
- if (o->start_time_eof != AV_NOPTS_VALUE) {
- if (o->start_time_eof >= 0) {
- av_log(NULL, AV_LOG_ERROR, "-sseof value must be negative; aborting\n");
- exit_program(1);
- }
- if (ic->duration > 0) {
- o->start_time = o->start_time_eof + ic->duration;
- if (o->start_time < 0) {
- av_log(NULL, AV_LOG_WARNING, "-sseof value seeks to before start of file %s; ignored\n", filename);
- o->start_time = AV_NOPTS_VALUE;
- }
- } else
- av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
- }
- timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
- /* add the stream start time */
- if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
- timestamp += ic->start_time;
-
- /* if seeking requested, we execute it */
- if (o->start_time != AV_NOPTS_VALUE) {
- int64_t seek_timestamp = timestamp;
-
- if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
- int dts_heuristic = 0;
- for (i=0; i<ic->nb_streams; i++) {
- const AVCodecParameters *par = ic->streams[i]->codecpar;
- if (par->video_delay) {
- dts_heuristic = 1;
- break;
- }
- }
- if (dts_heuristic) {
- seek_timestamp -= 3*AV_TIME_BASE / 23;
- }
- }
- ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
- if (ret < 0) {
- av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
- filename, (double)timestamp / AV_TIME_BASE);
- }
- }
-
- /* update the current parameters so that they match the one of the input stream */
- add_input_streams(o, ic);
-
- /* dump the file content */
- av_dump_format(ic, nb_input_files, filename, 0);
-
- GROW_ARRAY(input_files, nb_input_files);
- f = av_mallocz(sizeof(*f));
- if (!f)
- exit_program(1);
- input_files[nb_input_files - 1] = f;
-
- f->ctx = ic;
- f->ist_index = nb_input_streams - ic->nb_streams;
- f->start_time = o->start_time;
- f->recording_time = o->recording_time;
- f->input_ts_offset = o->input_ts_offset;
- f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
- f->nb_streams = ic->nb_streams;
- f->rate_emu = o->rate_emu;
- f->accurate_seek = o->accurate_seek;
- f->loop = o->loop;
- f->duration = 0;
- f->time_base = (AVRational){ 1, 1 };
- f->pkt = av_packet_alloc();
- if (!f->pkt)
- exit_program(1);
- #if HAVE_THREADS
- f->thread_queue_size = o->thread_queue_size;
- #endif
-
- /* check if all codec options have been used */
- unused_opts = strip_specifiers(o->g->codec_opts);
- for (i = f->ist_index; i < nb_input_streams; i++) {
- e = NULL;
- while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
- AV_DICT_IGNORE_SUFFIX)))
- av_dict_set(&unused_opts, e->key, NULL, 0);
- }
-
- e = NULL;
- while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
- const AVClass *class = avcodec_get_class();
- const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
- AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
- const AVClass *fclass = avformat_get_class();
- const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
- AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
- if (!option || foption)
- continue;
-
-
- if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
- av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
- "input file #%d (%s) is not a decoding option.\n", e->key,
- option->help ? option->help : "", nb_input_files - 1,
- filename);
- exit_program(1);
- }
-
- av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
- "input file #%d (%s) has not been used for any stream. The most "
- "likely reason is either wrong type (e.g. a video option with "
- "no video streams) or that it is a private option of some decoder "
- "which was not actually used for any stream.\n", e->key,
- option->help ? option->help : "", nb_input_files - 1, filename);
- }
- av_dict_free(&unused_opts);
-
- for (i = 0; i < o->nb_dump_attachment; i++) {
- int j;
-
- for (j = 0; j < ic->nb_streams; j++) {
- AVStream *st = ic->streams[j];
-
- if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
- dump_attachment(st, o->dump_attachment[i].u.str);
- }
- }
-
- input_stream_potentially_available = 1;
-
- return 0;
- }
-
- static uint8_t *get_line(AVIOContext *s)
- {
- AVIOContext *line;
- uint8_t *buf;
- char c;
-
- if (avio_open_dyn_buf(&line) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
- exit_program(1);
- }
-
- while ((c = avio_r8(s)) && c != '\n')
- avio_w8(line, c);
- avio_w8(line, 0);
- avio_close_dyn_buf(line, &buf);
-
- return buf;
- }
-
- static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
- {
- int i, ret = -1;
- char filename[1000];
- const char *base[3] = { getenv("AVCONV_DATADIR"),
- getenv("HOME"),
- AVCONV_DATADIR,
- };
-
- for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
- if (!base[i])
- continue;
- if (codec_name) {
- snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
- i != 1 ? "" : "/.avconv", codec_name, preset_name);
- ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
- }
- if (ret < 0) {
- snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
- i != 1 ? "" : "/.avconv", preset_name);
- ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
- }
- }
- return ret;
- }
-
- static int choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
- {
- enum AVMediaType type = ost->st->codecpar->codec_type;
- char *codec_name = NULL;
-
- if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO || type == AVMEDIA_TYPE_SUBTITLE) {
- MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
- if (!codec_name) {
- ost->st->codecpar->codec_id = av_guess_codec(s->oformat, NULL, s->url,
- NULL, ost->st->codecpar->codec_type);
- ost->enc = avcodec_find_encoder(ost->st->codecpar->codec_id);
- if (!ost->enc) {
- av_log(NULL, AV_LOG_FATAL, "Automatic encoder selection failed for "
- "output stream #%d:%d. Default encoder for format %s (codec %s) is "
- "probably disabled. Please choose an encoder manually.\n",
- ost->file_index, ost->index, s->oformat->name,
- avcodec_get_name(ost->st->codecpar->codec_id));
- return AVERROR_ENCODER_NOT_FOUND;
- }
- } else if (!strcmp(codec_name, "copy"))
- ost->stream_copy = 1;
- else {
- ost->enc = find_codec_or_die(codec_name, ost->st->codecpar->codec_type, 1);
- ost->st->codecpar->codec_id = ost->enc->id;
- }
- ost->encoding_needed = !ost->stream_copy;
- } else {
- /* no encoding supported for other media types */
- ost->stream_copy = 1;
- ost->encoding_needed = 0;
- }
-
- return 0;
- }
-
- static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
- {
- OutputStream *ost;
- AVStream *st = avformat_new_stream(oc, NULL);
- int idx = oc->nb_streams - 1, ret = 0;
- const char *bsfs = NULL, *time_base = NULL;
- char *next, *codec_tag = NULL;
- double qscale = -1;
- int i;
-
- if (!st) {
- av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
- exit_program(1);
- }
-
- if (oc->nb_streams - 1 < o->nb_streamid_map)
- st->id = o->streamid_map[oc->nb_streams - 1];
-
- GROW_ARRAY(output_streams, nb_output_streams);
- if (!(ost = av_mallocz(sizeof(*ost))))
- exit_program(1);
- output_streams[nb_output_streams - 1] = ost;
-
- ost->file_index = nb_output_files - 1;
- ost->index = idx;
- ost->st = st;
- ost->forced_kf_ref_pts = AV_NOPTS_VALUE;
- st->codecpar->codec_type = type;
-
- ret = choose_encoder(o, oc, ost);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error selecting an encoder for stream "
- "%d:%d\n", ost->file_index, ost->index);
- exit_program(1);
- }
-
- ost->enc_ctx = avcodec_alloc_context3(ost->enc);
- if (!ost->enc_ctx) {
- av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
- exit_program(1);
- }
- ost->enc_ctx->codec_type = type;
-
- ost->ref_par = avcodec_parameters_alloc();
- if (!ost->ref_par) {
- av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding parameters.\n");
- exit_program(1);
- }
-
- if (ost->enc) {
- AVIOContext *s = NULL;
- char *buf = NULL, *arg = NULL, *preset = NULL;
-
- ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
-
- MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
- ost->autoscale = 1;
- MATCH_PER_STREAM_OPT(autoscale, i, ost->autoscale, oc, st);
- if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
- do {
- buf = get_line(s);
- if (!buf[0] || buf[0] == '#') {
- av_free(buf);
- continue;
- }
- if (!(arg = strchr(buf, '='))) {
- av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
- exit_program(1);
- }
- *arg++ = 0;
- av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
- av_free(buf);
- } while (!s->eof_reached);
- avio_closep(&s);
- }
- if (ret) {
- av_log(NULL, AV_LOG_FATAL,
- "Preset %s specified for stream %d:%d, but could not be opened.\n",
- preset, ost->file_index, ost->index);
- exit_program(1);
- }
- } else {
- ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
- }
-
-
- if (o->bitexact)
- ost->enc_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
-
- MATCH_PER_STREAM_OPT(time_bases, str, time_base, oc, st);
- if (time_base) {
- AVRational q;
- if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
- q.num <= 0 || q.den <= 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
- exit_program(1);
- }
- st->time_base = q;
- }
-
- MATCH_PER_STREAM_OPT(enc_time_bases, str, time_base, oc, st);
- if (time_base) {
- AVRational q;
- if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
- q.den <= 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
- exit_program(1);
- }
- ost->enc_timebase = q;
- }
-
- ost->max_frames = INT64_MAX;
- MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
- for (i = 0; i<o->nb_max_frames; i++) {
- char *p = o->max_frames[i].specifier;
- if (!*p && type != AVMEDIA_TYPE_VIDEO) {
- av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
- break;
- }
- }
-
- ost->copy_prior_start = -1;
- MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
-
- MATCH_PER_STREAM_OPT(bitstream_filters, str, bsfs, oc, st);
- if (bsfs && *bsfs) {
- ret = av_bsf_list_parse_str(bsfs, &ost->bsf_ctx);
- if (ret < 0) {
- av_log(NULL, AV_LOG_ERROR, "Error parsing bitstream filter sequence '%s': %s\n", bsfs, av_err2str(ret));
- exit_program(1);
- }
- }
-
- MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
- if (codec_tag) {
- uint32_t tag = strtol(codec_tag, &next, 0);
- if (*next)
- tag = AV_RL32(codec_tag);
- ost->st->codecpar->codec_tag =
- ost->enc_ctx->codec_tag = tag;
- }
-
- MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
- if (qscale >= 0) {
- ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
- ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
- }
-
- MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
- ost->disposition = av_strdup(ost->disposition);
-
- ost->max_muxing_queue_size = 128;
- MATCH_PER_STREAM_OPT(max_muxing_queue_size, i, ost->max_muxing_queue_size, oc, st);
- ost->max_muxing_queue_size *= sizeof(ost->pkt);
-
- ost->muxing_queue_data_size = 0;
-
- ost->muxing_queue_data_threshold = 50*1024*1024;
- MATCH_PER_STREAM_OPT(muxing_queue_data_threshold, i, ost->muxing_queue_data_threshold, oc, st);
-
- if (oc->oformat->flags & AVFMT_GLOBALHEADER)
- ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
-
- av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
-
- av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
- if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
- av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
-
- av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
-
- ost->source_index = source_index;
- if (source_index >= 0) {
- ost->sync_ist = input_streams[source_index];
- input_streams[source_index]->discard = 0;
- input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
- }
- ost->last_mux_dts = AV_NOPTS_VALUE;
-
- ost->muxing_queue = av_fifo_alloc(8 * sizeof(AVPacket));
- if (!ost->muxing_queue)
- exit_program(1);
-
- return ost;
- }
-
- static void parse_matrix_coeffs(uint16_t *dest, const char *str)
- {
- int i;
- const char *p = str;
- for (i = 0;; i++) {
- dest[i] = atoi(p);
- if (i == 63)
- break;
- p = strchr(p, ',');
- if (!p) {
- av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
- exit_program(1);
- }
- p++;
- }
- }
-
- /* read file contents into a string */
- static uint8_t *read_file(const char *filename)
- {
- AVIOContext *pb = NULL;
- AVIOContext *dyn_buf = NULL;
- int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
- uint8_t buf[1024], *str;
-
- if (ret < 0) {
- av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
- return NULL;
- }
-
- ret = avio_open_dyn_buf(&dyn_buf);
- if (ret < 0) {
- avio_closep(&pb);
- return NULL;
- }
- while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
- avio_write(dyn_buf, buf, ret);
- avio_w8(dyn_buf, 0);
- avio_closep(&pb);
-
- ret = avio_close_dyn_buf(dyn_buf, &str);
- if (ret < 0)
- return NULL;
- return str;
- }
-
- static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
- OutputStream *ost)
- {
- AVStream *st = ost->st;
-
- if (ost->filters_script && ost->filters) {
- av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
- "output stream #%d:%d.\n", nb_output_files, st->index);
- exit_program(1);
- }
-
- if (ost->filters_script)
- return read_file(ost->filters_script);
- else if (ost->filters)
- return av_strdup(ost->filters);
-
- return av_strdup(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ?
- "null" : "anull");
- }
-
- static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
- const OutputStream *ost, enum AVMediaType type)
- {
- if (ost->filters_script || ost->filters) {
- av_log(NULL, AV_LOG_ERROR,
- "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
- "Filtering and streamcopy cannot be used together.\n",
- ost->filters ? "Filtergraph" : "Filtergraph script",
- ost->filters ? ost->filters : ost->filters_script,
- av_get_media_type_string(type), ost->file_index, ost->index);
- exit_program(1);
- }
- }
-
- static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
- {
- AVStream *st;
- OutputStream *ost;
- AVCodecContext *video_enc;
- char *frame_rate = NULL, *max_frame_rate = NULL, *frame_aspect_ratio = NULL;
-
- ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
- st = ost->st;
- video_enc = ost->enc_ctx;
-
- MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
- if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
- exit_program(1);
- }
-
- MATCH_PER_STREAM_OPT(max_frame_rates, str, max_frame_rate, oc, st);
- if (max_frame_rate && av_parse_video_rate(&ost->max_frame_rate, max_frame_rate) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid maximum framerate value: %s\n", max_frame_rate);
- exit_program(1);
- }
-
- if (frame_rate && max_frame_rate) {
- av_log(NULL, AV_LOG_ERROR, "Only one of -fpsmax and -r can be set for a stream.\n");
- exit_program(1);
- }
-
- if ((frame_rate || max_frame_rate) &&
- video_sync_method == VSYNC_PASSTHROUGH)
- av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r/-fpsmax can produce invalid output files\n");
-
- MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
- if (frame_aspect_ratio) {
- AVRational q;
- if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
- q.num <= 0 || q.den <= 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
- exit_program(1);
- }
- ost->frame_aspect_ratio = q;
- }
-
- MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
- MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
-
- if (!ost->stream_copy) {
- const char *p = NULL;
- char *frame_size = NULL;
- char *frame_pix_fmt = NULL;
- char *intra_matrix = NULL, *inter_matrix = NULL;
- char *chroma_intra_matrix = NULL;
- int do_pass = 0;
- int i;
-
- MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
- if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
- exit_program(1);
- }
-
- video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
- MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
- if (frame_pix_fmt && *frame_pix_fmt == '+') {
- ost->keep_pix_fmt = 1;
- if (!*++frame_pix_fmt)
- frame_pix_fmt = NULL;
- }
- if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
- av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
- exit_program(1);
- }
- st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
-
- if (intra_only)
- video_enc->gop_size = 0;
- MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
- if (intra_matrix) {
- if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
- av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
- exit_program(1);
- }
- parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
- }
- MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
- if (chroma_intra_matrix) {
- uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
- if (!p) {
- av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
- exit_program(1);
- }
- video_enc->chroma_intra_matrix = p;
- parse_matrix_coeffs(p, chroma_intra_matrix);
- }
- MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
- if (inter_matrix) {
- if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
- av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
- exit_program(1);
- }
- parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
- }
-
- MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
- for (i = 0; p; i++) {
- int start, end, q;
- int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
- if (e != 3) {
- av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
- exit_program(1);
- }
- video_enc->rc_override =
- av_realloc_array(video_enc->rc_override,
- i + 1, sizeof(RcOverride));
- if (!video_enc->rc_override) {
- av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
- exit_program(1);
- }
- video_enc->rc_override[i].start_frame = start;
- video_enc->rc_override[i].end_frame = end;
- if (q > 0) {
- video_enc->rc_override[i].qscale = q;
- video_enc->rc_override[i].quality_factor = 1.0;
- }
- else {
- video_enc->rc_override[i].qscale = 0;
- video_enc->rc_override[i].quality_factor = -q/100.0;
- }
- p = strchr(p, '/');
- if (p) p++;
- }
- video_enc->rc_override_count = i;
-
- if (do_psnr)
- video_enc->flags|= AV_CODEC_FLAG_PSNR;
-
- /* two pass mode */
- MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
- if (do_pass) {
- if (do_pass & 1) {
- video_enc->flags |= AV_CODEC_FLAG_PASS1;
- av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
- }
- if (do_pass & 2) {
- video_enc->flags |= AV_CODEC_FLAG_PASS2;
- av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
- }
- }
-
- MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
- if (ost->logfile_prefix &&
- !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
- exit_program(1);
-
- if (do_pass) {
- char logfilename[1024];
- FILE *f;
-
- snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
- ost->logfile_prefix ? ost->logfile_prefix :
- DEFAULT_PASS_LOGFILENAME_PREFIX,
- i);
- if (!strcmp(ost->enc->name, "libx264")) {
- av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
- } else {
- if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
- char *logbuffer = read_file(logfilename);
-
- if (!logbuffer) {
- av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
- logfilename);
- exit_program(1);
- }
- video_enc->stats_in = logbuffer;
- }
- if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
- f = av_fopen_utf8(logfilename, "wb");
- if (!f) {
- av_log(NULL, AV_LOG_FATAL,
- "Cannot write log file '%s' for pass-1 encoding: %s\n",
- logfilename, strerror(errno));
- exit_program(1);
- }
- ost->logfile = f;
- }
- }
- }
-
- MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
- if (ost->forced_keyframes)
- ost->forced_keyframes = av_strdup(ost->forced_keyframes);
-
- MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
-
- ost->top_field_first = -1;
- MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
-
-
- ost->avfilter = get_ost_filters(o, oc, ost);
- if (!ost->avfilter)
- exit_program(1);
- } else {
- MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
- }
-
- if (ost->stream_copy)
- check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
-
- return ost;
- }
-
- static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
- {
- int n;
- AVStream *st;
- OutputStream *ost;
- AVCodecContext *audio_enc;
-
- ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
- st = ost->st;
-
- audio_enc = ost->enc_ctx;
- audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
-
- MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
- MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
-
- if (!ost->stream_copy) {
- char *sample_fmt = NULL;
-
- MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
-
- MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
- if (sample_fmt &&
- (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
- av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
- exit_program(1);
- }
-
- MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
-
- MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
- ost->apad = av_strdup(ost->apad);
-
- ost->avfilter = get_ost_filters(o, oc, ost);
- if (!ost->avfilter)
- exit_program(1);
-
- /* check for channel mapping for this audio stream */
- for (n = 0; n < o->nb_audio_channel_maps; n++) {
- AudioChannelMap *map = &o->audio_channel_maps[n];
- if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
- (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
- InputStream *ist;
-
- if (map->channel_idx == -1) {
- ist = NULL;
- } else if (ost->source_index < 0) {
- av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
- ost->file_index, ost->st->index);
- continue;
- } else {
- ist = input_streams[ost->source_index];
- }
-
- if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
- if (av_reallocp_array(&ost->audio_channels_map,
- ost->audio_channels_mapped + 1,
- sizeof(*ost->audio_channels_map)
- ) < 0 )
- exit_program(1);
-
- ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
- }
- }
- }
- }
-
- if (ost->stream_copy)
- check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
-
- return ost;
- }
-
- static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
- {
- OutputStream *ost;
-
- ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
- if (!ost->stream_copy) {
- av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
- exit_program(1);
- }
-
- return ost;
- }
-
- static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
- {
- OutputStream *ost;
-
- ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
- if (!ost->stream_copy) {
- av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
- exit_program(1);
- }
-
- return ost;
- }
-
- static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
- {
- OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
- ost->stream_copy = 1;
- ost->finished = 1;
- return ost;
- }
-
- static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
- {
- AVStream *st;
- OutputStream *ost;
- AVCodecContext *subtitle_enc;
-
- ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
- st = ost->st;
- subtitle_enc = ost->enc_ctx;
-
- subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
-
- MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
-
- if (!ost->stream_copy) {
- char *frame_size = NULL;
-
- MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
- if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
- exit_program(1);
- }
- }
-
- return ost;
- }
-
- /* arg format is "output-stream-index:streamid-value". */
- static int opt_streamid(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- int idx;
- char *p;
- char idx_str[16];
-
- av_strlcpy(idx_str, arg, sizeof(idx_str));
- p = strchr(idx_str, ':');
- if (!p) {
- av_log(NULL, AV_LOG_FATAL,
- "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
- arg, opt);
- exit_program(1);
- }
- *p++ = '\0';
- idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
- o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
- o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
- return 0;
- }
-
- static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
- {
- AVFormatContext *is = ifile->ctx;
- AVFormatContext *os = ofile->ctx;
- AVChapter **tmp;
- int i;
-
- tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
- if (!tmp)
- return AVERROR(ENOMEM);
- os->chapters = tmp;
-
- for (i = 0; i < is->nb_chapters; i++) {
- AVChapter *in_ch = is->chapters[i], *out_ch;
- int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
- int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
- AV_TIME_BASE_Q, in_ch->time_base);
- int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
- av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
-
-
- if (in_ch->end < ts_off)
- continue;
- if (rt != INT64_MAX && in_ch->start > rt + ts_off)
- break;
-
- out_ch = av_mallocz(sizeof(AVChapter));
- if (!out_ch)
- return AVERROR(ENOMEM);
-
- out_ch->id = in_ch->id;
- out_ch->time_base = in_ch->time_base;
- out_ch->start = FFMAX(0, in_ch->start - ts_off);
- out_ch->end = FFMIN(rt, in_ch->end - ts_off);
-
- if (copy_metadata)
- av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
-
- os->chapters[os->nb_chapters++] = out_ch;
- }
- return 0;
- }
-
- static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
- AVFormatContext *oc)
- {
- OutputStream *ost;
-
- switch (ofilter->type) {
- case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
- case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
- default:
- av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
- "currently.\n");
- exit_program(1);
- }
-
- ost->source_index = -1;
- ost->filter = ofilter;
-
- ofilter->ost = ost;
- ofilter->format = -1;
-
- if (ost->stream_copy) {
- av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
- "which is fed from a complex filtergraph. Filtering and streamcopy "
- "cannot be used together.\n", ost->file_index, ost->index);
- exit_program(1);
- }
-
- if (ost->avfilter && (ost->filters || ost->filters_script)) {
- const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
- av_log(NULL, AV_LOG_ERROR,
- "%s '%s' was specified through the %s option "
- "for output stream %d:%d, which is fed from a complex filtergraph.\n"
- "%s and -filter_complex cannot be used together for the same stream.\n",
- ost->filters ? "Filtergraph" : "Filtergraph script",
- ost->filters ? ost->filters : ost->filters_script,
- opt, ost->file_index, ost->index, opt);
- exit_program(1);
- }
-
- avfilter_inout_free(&ofilter->out_tmp);
- }
-
- static int init_complex_filters(void)
- {
- int i, ret = 0;
-
- for (i = 0; i < nb_filtergraphs; i++) {
- ret = init_complex_filtergraph(filtergraphs[i]);
- if (ret < 0)
- return ret;
- }
- return 0;
- }
-
- static int open_output_file(OptionsContext *o, const char *filename)
- {
- AVFormatContext *oc;
- int i, j, err;
- OutputFile *of;
- OutputStream *ost;
- InputStream *ist;
- AVDictionary *unused_opts = NULL;
- AVDictionaryEntry *e = NULL;
- int format_flags = 0;
-
- if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
- o->stop_time = INT64_MAX;
- av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
- }
-
- if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
- int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
- if (o->stop_time <= start_time) {
- av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
- exit_program(1);
- } else {
- o->recording_time = o->stop_time - start_time;
- }
- }
-
- GROW_ARRAY(output_files, nb_output_files);
- of = av_mallocz(sizeof(*of));
- if (!of)
- exit_program(1);
- output_files[nb_output_files - 1] = of;
-
- of->ost_index = nb_output_streams;
- of->recording_time = o->recording_time;
- of->start_time = o->start_time;
- of->limit_filesize = o->limit_filesize;
- of->shortest = o->shortest;
- av_dict_copy(&of->opts, o->g->format_opts, 0);
-
- if (!strcmp(filename, "-"))
- filename = "pipe:";
-
- err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
- if (!oc) {
- print_error(filename, err);
- exit_program(1);
- }
-
- of->ctx = oc;
- if (o->recording_time != INT64_MAX)
- oc->duration = o->recording_time;
-
- oc->interrupt_callback = int_cb;
-
- e = av_dict_get(o->g->format_opts, "fflags", NULL, 0);
- if (e) {
- const AVOption *o = av_opt_find(oc, "fflags", NULL, 0, 0);
- av_opt_eval_flags(oc, o, e->value, &format_flags);
- }
- if (o->bitexact) {
- format_flags |= AVFMT_FLAG_BITEXACT;
- oc->flags |= AVFMT_FLAG_BITEXACT;
- }
-
- /* create streams for all unlabeled output pads */
- for (i = 0; i < nb_filtergraphs; i++) {
- FilterGraph *fg = filtergraphs[i];
- for (j = 0; j < fg->nb_outputs; j++) {
- OutputFilter *ofilter = fg->outputs[j];
-
- if (!ofilter->out_tmp || ofilter->out_tmp->name)
- continue;
-
- switch (ofilter->type) {
- case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
- case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
- case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
- }
- init_output_filter(ofilter, o, oc);
- }
- }
-
- if (!o->nb_stream_maps) {
- char *subtitle_codec_name = NULL;
- /* pick the "best" stream of each type */
-
- /* video: highest resolution */
- if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
- int best_score = 0, idx = -1;
- int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
- for (i = 0; i < nb_input_streams; i++) {
- int score;
- ist = input_streams[i];
- score = ist->st->codecpar->width * ist->st->codecpar->height
- + 100000000 * !!(ist->st->event_flags & AVSTREAM_EVENT_FLAG_NEW_PACKETS)
- + 5000000*!!(ist->st->disposition & AV_DISPOSITION_DEFAULT);
- if (ist->user_set_discard == AVDISCARD_ALL)
- continue;
- if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
- score = 1;
- if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
- score > best_score) {
- if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
- continue;
- best_score = score;
- idx = i;
- }
- }
- if (idx >= 0)
- new_video_stream(o, oc, idx);
- }
-
- /* audio: most channels */
- if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
- int best_score = 0, idx = -1;
- for (i = 0; i < nb_input_streams; i++) {
- int score;
- ist = input_streams[i];
- score = ist->st->codecpar->channels + 100000000*!!ist->st->codec_info_nb_frames
- + 5000000*!!(ist->st->disposition & AV_DISPOSITION_DEFAULT);
- if (ist->user_set_discard == AVDISCARD_ALL)
- continue;
- if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
- score > best_score) {
- best_score = score;
- idx = i;
- }
- }
- if (idx >= 0)
- new_audio_stream(o, oc, idx);
- }
-
- /* subtitles: pick first */
- MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
- if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
- for (i = 0; i < nb_input_streams; i++)
- if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
- AVCodecDescriptor const *input_descriptor =
- avcodec_descriptor_get(input_streams[i]->st->codecpar->codec_id);
- AVCodecDescriptor const *output_descriptor = NULL;
- AVCodec const *output_codec =
- avcodec_find_encoder(oc->oformat->subtitle_codec);
- int input_props = 0, output_props = 0;
- if (input_streams[i]->user_set_discard == AVDISCARD_ALL)
- continue;
- if (output_codec)
- output_descriptor = avcodec_descriptor_get(output_codec->id);
- if (input_descriptor)
- input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
- if (output_descriptor)
- output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
- if (subtitle_codec_name ||
- input_props & output_props ||
- // Map dvb teletext which has neither property to any output subtitle encoder
- input_descriptor && output_descriptor &&
- (!input_descriptor->props ||
- !output_descriptor->props)) {
- new_subtitle_stream(o, oc, i);
- break;
- }
- }
- }
- /* Data only if codec id match */
- if (!o->data_disable ) {
- enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
- for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
- if (input_streams[i]->user_set_discard == AVDISCARD_ALL)
- continue;
- if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_DATA
- && input_streams[i]->st->codecpar->codec_id == codec_id )
- new_data_stream(o, oc, i);
- }
- }
- } else {
- for (i = 0; i < o->nb_stream_maps; i++) {
- StreamMap *map = &o->stream_maps[i];
-
- if (map->disabled)
- continue;
-
- if (map->linklabel) {
- FilterGraph *fg;
- OutputFilter *ofilter = NULL;
- int j, k;
-
- for (j = 0; j < nb_filtergraphs; j++) {
- fg = filtergraphs[j];
- for (k = 0; k < fg->nb_outputs; k++) {
- AVFilterInOut *out = fg->outputs[k]->out_tmp;
- if (out && !strcmp(out->name, map->linklabel)) {
- ofilter = fg->outputs[k];
- goto loop_end;
- }
- }
- }
- loop_end:
- if (!ofilter) {
- av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
- "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
- exit_program(1);
- }
- init_output_filter(ofilter, o, oc);
- } else {
- int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
-
- ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
- if (ist->user_set_discard == AVDISCARD_ALL) {
- av_log(NULL, AV_LOG_FATAL, "Stream #%d:%d is disabled and cannot be mapped.\n",
- map->file_index, map->stream_index);
- exit_program(1);
- }
- if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
- continue;
- if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
- continue;
- if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
- continue;
- if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
- continue;
-
- ost = NULL;
- switch (ist->st->codecpar->codec_type) {
- case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
- case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
- case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
- case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
- case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
- case AVMEDIA_TYPE_UNKNOWN:
- if (copy_unknown_streams) {
- ost = new_unknown_stream (o, oc, src_idx);
- break;
- }
- default:
- av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
- "Cannot map stream #%d:%d - unsupported type.\n",
- map->file_index, map->stream_index);
- if (!ignore_unknown_streams) {
- av_log(NULL, AV_LOG_FATAL,
- "If you want unsupported types ignored instead "
- "of failing, please use the -ignore_unknown option\n"
- "If you want them copied, please use -copy_unknown\n");
- exit_program(1);
- }
- }
- if (ost)
- ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
- + map->sync_stream_index];
- }
- }
- }
-
- /* handle attached files */
- for (i = 0; i < o->nb_attachments; i++) {
- AVIOContext *pb;
- uint8_t *attachment;
- const char *p;
- int64_t len;
-
- if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
- o->attachments[i]);
- exit_program(1);
- }
- if ((len = avio_size(pb)) <= 0) {
- av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
- o->attachments[i]);
- exit_program(1);
- }
- if (len > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE ||
- !(attachment = av_malloc(len + AV_INPUT_BUFFER_PADDING_SIZE))) {
- av_log(NULL, AV_LOG_FATAL, "Attachment %s too large.\n",
- o->attachments[i]);
- exit_program(1);
- }
- avio_read(pb, attachment, len);
- memset(attachment + len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
-
- ost = new_attachment_stream(o, oc, -1);
- ost->stream_copy = 0;
- ost->attachment_filename = o->attachments[i];
- ost->st->codecpar->extradata = attachment;
- ost->st->codecpar->extradata_size = len;
-
- p = strrchr(o->attachments[i], '/');
- av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
- avio_closep(&pb);
- }
-
- #if FF_API_LAVF_AVCTX
- for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
- AVDictionaryEntry *e;
- ost = output_streams[i];
-
- if ((ost->stream_copy || ost->attachment_filename)
- && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
- && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
- if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
- exit_program(1);
- }
- #endif
-
- if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
- av_dump_format(oc, nb_output_files - 1, oc->url, 1);
- av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
- exit_program(1);
- }
-
- /* check if all codec options have been used */
- unused_opts = strip_specifiers(o->g->codec_opts);
- for (i = of->ost_index; i < nb_output_streams; i++) {
- e = NULL;
- while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
- AV_DICT_IGNORE_SUFFIX)))
- av_dict_set(&unused_opts, e->key, NULL, 0);
- }
-
- e = NULL;
- while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
- const AVClass *class = avcodec_get_class();
- const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
- AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
- const AVClass *fclass = avformat_get_class();
- const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
- AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
- if (!option || foption)
- continue;
-
-
- if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
- av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
- "output file #%d (%s) is not an encoding option.\n", e->key,
- option->help ? option->help : "", nb_output_files - 1,
- filename);
- exit_program(1);
- }
-
- // gop_timecode is injected by generic code but not always used
- if (!strcmp(e->key, "gop_timecode"))
- continue;
-
- av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
- "output file #%d (%s) has not been used for any stream. The most "
- "likely reason is either wrong type (e.g. a video option with "
- "no video streams) or that it is a private option of some encoder "
- "which was not actually used for any stream.\n", e->key,
- option->help ? option->help : "", nb_output_files - 1, filename);
- }
- av_dict_free(&unused_opts);
-
- /* set the decoding_needed flags and create simple filtergraphs */
- for (i = of->ost_index; i < nb_output_streams; i++) {
- OutputStream *ost = output_streams[i];
-
- if (ost->encoding_needed && ost->source_index >= 0) {
- InputStream *ist = input_streams[ost->source_index];
- ist->decoding_needed |= DECODING_FOR_OST;
-
- if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
- ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
- err = init_simple_filtergraph(ist, ost);
- if (err < 0) {
- av_log(NULL, AV_LOG_ERROR,
- "Error initializing a simple filtergraph between streams "
- "%d:%d->%d:%d\n", ist->file_index, ost->source_index,
- nb_output_files - 1, ost->st->index);
- exit_program(1);
- }
- }
- }
-
- /* set the filter output constraints */
- if (ost->filter) {
- OutputFilter *f = ost->filter;
- int count;
- switch (ost->enc_ctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- f->frame_rate = ost->frame_rate;
- f->width = ost->enc_ctx->width;
- f->height = ost->enc_ctx->height;
- if (ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE) {
- f->format = ost->enc_ctx->pix_fmt;
- } else if (ost->enc->pix_fmts) {
- count = 0;
- while (ost->enc->pix_fmts[count] != AV_PIX_FMT_NONE)
- count++;
- f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
- if (!f->formats)
- exit_program(1);
- memcpy(f->formats, ost->enc->pix_fmts, (count + 1) * sizeof(*f->formats));
- }
- break;
- case AVMEDIA_TYPE_AUDIO:
- if (ost->enc_ctx->sample_fmt != AV_SAMPLE_FMT_NONE) {
- f->format = ost->enc_ctx->sample_fmt;
- } else if (ost->enc->sample_fmts) {
- count = 0;
- while (ost->enc->sample_fmts[count] != AV_SAMPLE_FMT_NONE)
- count++;
- f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
- if (!f->formats)
- exit_program(1);
- memcpy(f->formats, ost->enc->sample_fmts, (count + 1) * sizeof(*f->formats));
- }
- if (ost->enc_ctx->sample_rate) {
- f->sample_rate = ost->enc_ctx->sample_rate;
- } else if (ost->enc->supported_samplerates) {
- count = 0;
- while (ost->enc->supported_samplerates[count])
- count++;
- f->sample_rates = av_mallocz_array(count + 1, sizeof(*f->sample_rates));
- if (!f->sample_rates)
- exit_program(1);
- memcpy(f->sample_rates, ost->enc->supported_samplerates,
- (count + 1) * sizeof(*f->sample_rates));
- }
- if (ost->enc_ctx->channels) {
- f->channel_layout = av_get_default_channel_layout(ost->enc_ctx->channels);
- } else if (ost->enc->channel_layouts) {
- count = 0;
- while (ost->enc->channel_layouts[count])
- count++;
- f->channel_layouts = av_mallocz_array(count + 1, sizeof(*f->channel_layouts));
- if (!f->channel_layouts)
- exit_program(1);
- memcpy(f->channel_layouts, ost->enc->channel_layouts,
- (count + 1) * sizeof(*f->channel_layouts));
- }
- break;
- }
- }
- }
-
- /* check filename in case of an image number is expected */
- if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
- if (!av_filename_number_test(oc->url)) {
- print_error(oc->url, AVERROR(EINVAL));
- exit_program(1);
- }
- }
-
- if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
- av_log(NULL, AV_LOG_ERROR,
- "No input streams but output needs an input stream\n");
- exit_program(1);
- }
-
- if (!(oc->oformat->flags & AVFMT_NOFILE)) {
- /* test if it already exists to avoid losing precious files */
- assert_file_overwrite(filename);
-
- /* open the file */
- if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
- &oc->interrupt_callback,
- &of->opts)) < 0) {
- print_error(filename, err);
- exit_program(1);
- }
- } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
- assert_file_overwrite(filename);
-
- if (o->mux_preload) {
- av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
- }
- oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
-
- /* copy metadata */
- for (i = 0; i < o->nb_metadata_map; i++) {
- char *p;
- int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
-
- if (in_file_index >= nb_input_files) {
- av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
- exit_program(1);
- }
- copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
- in_file_index >= 0 ?
- input_files[in_file_index]->ctx : NULL, o);
- }
-
- /* copy chapters */
- if (o->chapters_input_file >= nb_input_files) {
- if (o->chapters_input_file == INT_MAX) {
- /* copy chapters from the first input file that has them*/
- o->chapters_input_file = -1;
- for (i = 0; i < nb_input_files; i++)
- if (input_files[i]->ctx->nb_chapters) {
- o->chapters_input_file = i;
- break;
- }
- } else {
- av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
- o->chapters_input_file);
- exit_program(1);
- }
- }
- if (o->chapters_input_file >= 0)
- copy_chapters(input_files[o->chapters_input_file], of,
- !o->metadata_chapters_manual);
-
- /* copy global metadata by default */
- if (!o->metadata_global_manual && nb_input_files){
- av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
- AV_DICT_DONT_OVERWRITE);
- if(o->recording_time != INT64_MAX)
- av_dict_set(&oc->metadata, "duration", NULL, 0);
- av_dict_set(&oc->metadata, "creation_time", NULL, 0);
- av_dict_set(&oc->metadata, "company_name", NULL, 0);
- av_dict_set(&oc->metadata, "product_name", NULL, 0);
- av_dict_set(&oc->metadata, "product_version", NULL, 0);
- }
- if (!o->metadata_streams_manual)
- for (i = of->ost_index; i < nb_output_streams; i++) {
- InputStream *ist;
- if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
- continue;
- ist = input_streams[output_streams[i]->source_index];
- av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
- if (!output_streams[i]->stream_copy) {
- av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
- }
- }
-
- /* process manually set programs */
- for (i = 0; i < o->nb_program; i++) {
- const char *p = o->program[i].u.str;
- int progid = i+1;
- AVProgram *program;
-
- while(*p) {
- const char *p2 = av_get_token(&p, ":");
- const char *to_dealloc = p2;
- char *key;
- if (!p2)
- break;
-
- if(*p) p++;
-
- key = av_get_token(&p2, "=");
- if (!key || !*p2) {
- av_freep(&to_dealloc);
- av_freep(&key);
- break;
- }
- p2++;
-
- if (!strcmp(key, "program_num"))
- progid = strtol(p2, NULL, 0);
- av_freep(&to_dealloc);
- av_freep(&key);
- }
-
- program = av_new_program(oc, progid);
-
- p = o->program[i].u.str;
- while(*p) {
- const char *p2 = av_get_token(&p, ":");
- const char *to_dealloc = p2;
- char *key;
- if (!p2)
- break;
- if(*p) p++;
-
- key = av_get_token(&p2, "=");
- if (!key) {
- av_log(NULL, AV_LOG_FATAL,
- "No '=' character in program string %s.\n",
- p2);
- exit_program(1);
- }
- if (!*p2)
- exit_program(1);
- p2++;
-
- if (!strcmp(key, "title")) {
- av_dict_set(&program->metadata, "title", p2, 0);
- } else if (!strcmp(key, "program_num")) {
- } else if (!strcmp(key, "st")) {
- int st_num = strtol(p2, NULL, 0);
- av_program_add_stream_index(oc, progid, st_num);
- } else {
- av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
- exit_program(1);
- }
- av_freep(&to_dealloc);
- av_freep(&key);
- }
- }
-
- /* process manually set metadata */
- for (i = 0; i < o->nb_metadata; i++) {
- AVDictionary **m;
- char type, *val;
- const char *stream_spec;
- int index = 0, j, ret = 0;
-
- val = strchr(o->metadata[i].u.str, '=');
- if (!val) {
- av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
- o->metadata[i].u.str);
- exit_program(1);
- }
- *val++ = 0;
-
- parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
- if (type == 's') {
- for (j = 0; j < oc->nb_streams; j++) {
- ost = output_streams[nb_output_streams - oc->nb_streams + j];
- if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
- if (!strcmp(o->metadata[i].u.str, "rotate")) {
- char *tail;
- double theta = av_strtod(val, &tail);
- if (!*tail) {
- ost->rotate_overridden = 1;
- ost->rotate_override_value = theta;
- }
- } else {
- av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
- }
- } else if (ret < 0)
- exit_program(1);
- }
- }
- else {
- switch (type) {
- case 'g':
- m = &oc->metadata;
- break;
- case 'c':
- if (index < 0 || index >= oc->nb_chapters) {
- av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
- exit_program(1);
- }
- m = &oc->chapters[index]->metadata;
- break;
- case 'p':
- if (index < 0 || index >= oc->nb_programs) {
- av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
- exit_program(1);
- }
- m = &oc->programs[index]->metadata;
- break;
- default:
- av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
- exit_program(1);
- }
- av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
- }
- }
-
- return 0;
- }
-
- static int opt_target(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
- static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
-
- if (!strncmp(arg, "pal-", 4)) {
- norm = PAL;
- arg += 4;
- } else if (!strncmp(arg, "ntsc-", 5)) {
- norm = NTSC;
- arg += 5;
- } else if (!strncmp(arg, "film-", 5)) {
- norm = FILM;
- arg += 5;
- } else {
- /* Try to determine PAL/NTSC by peeking in the input files */
- if (nb_input_files) {
- int i, j;
- for (j = 0; j < nb_input_files; j++) {
- for (i = 0; i < input_files[j]->nb_streams; i++) {
- AVStream *st = input_files[j]->ctx->streams[i];
- int64_t fr;
- if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
- continue;
- fr = st->time_base.den * 1000LL / st->time_base.num;
- if (fr == 25000) {
- norm = PAL;
- break;
- } else if ((fr == 29970) || (fr == 23976)) {
- norm = NTSC;
- break;
- }
- }
- if (norm != UNKNOWN)
- break;
- }
- }
- if (norm != UNKNOWN)
- av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
- }
-
- if (norm == UNKNOWN) {
- av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
- av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
- av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
- exit_program(1);
- }
-
- if (!strcmp(arg, "vcd")) {
- opt_video_codec(o, "c:v", "mpeg1video");
- opt_audio_codec(o, "c:a", "mp2");
- parse_option(o, "f", "vcd", options);
-
- parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
- parse_option(o, "r", frame_rates[norm], options);
- opt_default(NULL, "g", norm == PAL ? "15" : "18");
-
- opt_default(NULL, "b:v", "1150000");
- opt_default(NULL, "maxrate:v", "1150000");
- opt_default(NULL, "minrate:v", "1150000");
- opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
-
- opt_default(NULL, "b:a", "224000");
- parse_option(o, "ar", "44100", options);
- parse_option(o, "ac", "2", options);
-
- opt_default(NULL, "packetsize", "2324");
- opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
-
- /* We have to offset the PTS, so that it is consistent with the SCR.
- SCR starts at 36000, but the first two packs contain only padding
- and the first pack from the other stream, respectively, may also have
- been written before.
- So the real data starts at SCR 36000+3*1200. */
- o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
- } else if (!strcmp(arg, "svcd")) {
-
- opt_video_codec(o, "c:v", "mpeg2video");
- opt_audio_codec(o, "c:a", "mp2");
- parse_option(o, "f", "svcd", options);
-
- parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
- parse_option(o, "r", frame_rates[norm], options);
- parse_option(o, "pix_fmt", "yuv420p", options);
- opt_default(NULL, "g", norm == PAL ? "15" : "18");
-
- opt_default(NULL, "b:v", "2040000");
- opt_default(NULL, "maxrate:v", "2516000");
- opt_default(NULL, "minrate:v", "0"); // 1145000;
- opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
- opt_default(NULL, "scan_offset", "1");
-
- opt_default(NULL, "b:a", "224000");
- parse_option(o, "ar", "44100", options);
-
- opt_default(NULL, "packetsize", "2324");
-
- } else if (!strcmp(arg, "dvd")) {
-
- opt_video_codec(o, "c:v", "mpeg2video");
- opt_audio_codec(o, "c:a", "ac3");
- parse_option(o, "f", "dvd", options);
-
- parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
- parse_option(o, "r", frame_rates[norm], options);
- parse_option(o, "pix_fmt", "yuv420p", options);
- opt_default(NULL, "g", norm == PAL ? "15" : "18");
-
- opt_default(NULL, "b:v", "6000000");
- opt_default(NULL, "maxrate:v", "9000000");
- opt_default(NULL, "minrate:v", "0"); // 1500000;
- opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
-
- opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
- opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
-
- opt_default(NULL, "b:a", "448000");
- parse_option(o, "ar", "48000", options);
-
- } else if (!strncmp(arg, "dv", 2)) {
-
- parse_option(o, "f", "dv", options);
-
- parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
- parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
- norm == PAL ? "yuv420p" : "yuv411p", options);
- parse_option(o, "r", frame_rates[norm], options);
-
- parse_option(o, "ar", "48000", options);
- parse_option(o, "ac", "2", options);
-
- } else {
- av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
- return AVERROR(EINVAL);
- }
-
- av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
- av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
-
- return 0;
- }
-
- static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
- {
- av_free (vstats_filename);
- vstats_filename = av_strdup (arg);
- return 0;
- }
-
- static int opt_vstats(void *optctx, const char *opt, const char *arg)
- {
- char filename[40];
- time_t today2 = time(NULL);
- struct tm *today = localtime(&today2);
-
- if (!today) { // maybe tomorrow
- av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
- exit_program(1);
- }
-
- snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
- today->tm_sec);
- return opt_vstats_file(NULL, opt, filename);
- }
-
- static int opt_video_frames(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "frames:v", arg, options);
- }
-
- static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "frames:a", arg, options);
- }
-
- static int opt_data_frames(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "frames:d", arg, options);
- }
-
- static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
- {
- int ret;
- AVDictionary *cbak = codec_opts;
- AVDictionary *fbak = format_opts;
- codec_opts = NULL;
- format_opts = NULL;
-
- ret = opt_default(NULL, opt, arg);
-
- av_dict_copy(&o->g->codec_opts , codec_opts, 0);
- av_dict_copy(&o->g->format_opts, format_opts, 0);
- av_dict_free(&codec_opts);
- av_dict_free(&format_opts);
- codec_opts = cbak;
- format_opts = fbak;
-
- return ret;
- }
-
- static int opt_preset(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- FILE *f=NULL;
- char filename[1000], line[1000], tmp_line[1000];
- const char *codec_name = NULL;
-
- tmp_line[0] = *opt;
- tmp_line[1] = 0;
- MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
-
- if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
- if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
- av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
- }else
- av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
- exit_program(1);
- }
-
- while (fgets(line, sizeof(line), f)) {
- char *key = tmp_line, *value, *endptr;
-
- if (strcspn(line, "#\n\r") == 0)
- continue;
- av_strlcpy(tmp_line, line, sizeof(tmp_line));
- if (!av_strtok(key, "=", &value) ||
- !av_strtok(value, "\r\n", &endptr)) {
- av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
- exit_program(1);
- }
- av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
-
- if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
- else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
- else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
- else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
- else if (opt_default_new(o, key, value) < 0) {
- av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
- filename, line, key, value);
- exit_program(1);
- }
- }
-
- fclose(f);
-
- return 0;
- }
-
- static int opt_old2new(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- int ret;
- char *s = av_asprintf("%s:%c", opt + 1, *opt);
- if (!s)
- return AVERROR(ENOMEM);
- ret = parse_option(o, s, arg, options);
- av_free(s);
- return ret;
- }
-
- static int opt_bitrate(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
-
- if(!strcmp(opt, "ab")){
- av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
- return 0;
- } else if(!strcmp(opt, "b")){
- av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
- av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
- return 0;
- }
- av_dict_set(&o->g->codec_opts, opt, arg, 0);
- return 0;
- }
-
- static int opt_qscale(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- char *s;
- int ret;
- if(!strcmp(opt, "qscale")){
- av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
- return parse_option(o, "q:v", arg, options);
- }
- s = av_asprintf("q%s", opt + 6);
- if (!s)
- return AVERROR(ENOMEM);
- ret = parse_option(o, s, arg, options);
- av_free(s);
- return ret;
- }
-
- static int opt_profile(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- if(!strcmp(opt, "profile")){
- av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
- av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
- return 0;
- }
- av_dict_set(&o->g->codec_opts, opt, arg, 0);
- return 0;
- }
-
- static int opt_video_filters(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "filter:v", arg, options);
- }
-
- static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "filter:a", arg, options);
- }
-
- static int opt_vsync(void *optctx, const char *opt, const char *arg)
- {
- if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
- else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
- else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
- else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
-
- if (video_sync_method == VSYNC_AUTO)
- video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
- return 0;
- }
-
- static int opt_timecode(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- int ret;
- char *tcr = av_asprintf("timecode=%s", arg);
- if (!tcr)
- return AVERROR(ENOMEM);
- ret = parse_option(o, "metadata:g", tcr, options);
- if (ret >= 0)
- ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
- av_free(tcr);
- return ret;
- }
-
- static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- char layout_str[32];
- char *stream_str;
- char *ac_str;
- int ret, channels, ac_str_size;
- uint64_t layout;
-
- layout = av_get_channel_layout(arg);
- if (!layout) {
- av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
- return AVERROR(EINVAL);
- }
- snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
- ret = opt_default_new(o, opt, layout_str);
- if (ret < 0)
- return ret;
-
- /* set 'ac' option based on channel layout */
- channels = av_get_channel_layout_nb_channels(layout);
- snprintf(layout_str, sizeof(layout_str), "%d", channels);
- stream_str = strchr(opt, ':');
- ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
- ac_str = av_mallocz(ac_str_size);
- if (!ac_str)
- return AVERROR(ENOMEM);
- av_strlcpy(ac_str, "ac", 3);
- if (stream_str)
- av_strlcat(ac_str, stream_str, ac_str_size);
- ret = parse_option(o, ac_str, layout_str, options);
- av_free(ac_str);
-
- return ret;
- }
-
- static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
- {
- OptionsContext *o = optctx;
- return parse_option(o, "q:a", arg, options);
- }
-
- static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
- {
- GROW_ARRAY(filtergraphs, nb_filtergraphs);
- if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
- return AVERROR(ENOMEM);
- filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
- filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
- if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
- return AVERROR(ENOMEM);
-
- input_stream_potentially_available = 1;
-
- return 0;
- }
-
- static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
- {
- uint8_t *graph_desc = read_file(arg);
- if (!graph_desc)
- return AVERROR(EINVAL);
-
- GROW_ARRAY(filtergraphs, nb_filtergraphs);
- if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
- return AVERROR(ENOMEM);
- filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
- filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
-
- input_stream_potentially_available = 1;
-
- return 0;
- }
-
- void show_help_default(const char *opt, const char *arg)
- {
- /* per-file options have at least one of those set */
- const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
- int show_advanced = 0, show_avoptions = 0;
-
- if (opt && *opt) {
- if (!strcmp(opt, "long"))
- show_advanced = 1;
- else if (!strcmp(opt, "full"))
- show_advanced = show_avoptions = 1;
- else
- av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
- }
-
- show_usage();
-
- printf("Getting help:\n"
- " -h -- print basic options\n"
- " -h long -- print more options\n"
- " -h full -- print all options (including all format and codec specific options, very long)\n"
- " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol\n"
- " See man %s for detailed description of the options.\n"
- "\n", program_name);
-
- show_help_options(options, "Print help / information / capabilities:",
- OPT_EXIT, 0, 0);
-
- show_help_options(options, "Global options (affect whole program "
- "instead of just one file):",
- 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
- if (show_advanced)
- show_help_options(options, "Advanced global options:", OPT_EXPERT,
- per_file | OPT_EXIT, 0);
-
- show_help_options(options, "Per-file main options:", 0,
- OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
- OPT_EXIT, per_file);
- if (show_advanced)
- show_help_options(options, "Advanced per-file options:",
- OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
-
- show_help_options(options, "Video options:",
- OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
- if (show_advanced)
- show_help_options(options, "Advanced Video options:",
- OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
-
- show_help_options(options, "Audio options:",
- OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
- if (show_advanced)
- show_help_options(options, "Advanced Audio options:",
- OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
- show_help_options(options, "Subtitle options:",
- OPT_SUBTITLE, 0, 0);
- printf("\n");
-
- if (show_avoptions) {
- int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
- show_help_children(avcodec_get_class(), flags);
- show_help_children(avformat_get_class(), flags);
- #if CONFIG_SWSCALE
- show_help_children(sws_get_class(), flags);
- #endif
- #if CONFIG_SWRESAMPLE
- show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
- #endif
- show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
- show_help_children(av_bsf_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_BSF_PARAM);
- }
- }
-
- void show_usage(void)
- {
- av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
- av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
- av_log(NULL, AV_LOG_INFO, "\n");
- }
-
- enum OptGroup {
- GROUP_OUTFILE,
- GROUP_INFILE,
- };
-
- static const OptionGroupDef groups[] = {
- [GROUP_OUTFILE] = { "output url", NULL, OPT_OUTPUT },
- [GROUP_INFILE] = { "input url", "i", OPT_INPUT },
- };
-
- static int open_files(OptionGroupList *l, const char *inout,
- int (*open_file)(OptionsContext*, const char*))
- {
- int i, ret;
-
- for (i = 0; i < l->nb_groups; i++) {
- OptionGroup *g = &l->groups[i];
- OptionsContext o;
-
- init_options(&o);
- o.g = g;
-
- ret = parse_optgroup(&o, g);
- if (ret < 0) {
- av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
- "%s.\n", inout, g->arg);
- uninit_options(&o);
- return ret;
- }
-
- av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
- ret = open_file(&o, g->arg);
- uninit_options(&o);
- if (ret < 0) {
- av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
- inout, g->arg);
- return ret;
- }
- av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
- }
-
- return 0;
- }
-
- int ffmpeg_parse_options(int argc, char **argv)
- {
- OptionParseContext octx;
- uint8_t error[128];
- int ret;
-
- memset(&octx, 0, sizeof(octx));
-
- /* split the commandline into an internal representation */
- ret = split_commandline(&octx, argc, argv, options, groups,
- FF_ARRAY_ELEMS(groups));
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
- goto fail;
- }
-
- /* apply global options */
- ret = parse_optgroup(NULL, &octx.global_opts);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
- goto fail;
- }
-
- /* configure terminal and setup signal handlers */
- term_init();
-
- /* open input files */
- ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
- goto fail;
- }
-
- /* create the complex filtergraphs */
- ret = init_complex_filters();
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
- goto fail;
- }
-
- /* open output files */
- ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
- goto fail;
- }
-
- check_filter_outputs();
-
- fail:
- uninit_parse_context(&octx);
- if (ret < 0) {
- av_strerror(ret, error, sizeof(error));
- av_log(NULL, AV_LOG_FATAL, "%s\n", error);
- }
- return ret;
- }
-
- static int opt_progress(void *optctx, const char *opt, const char *arg)
- {
- AVIOContext *avio = NULL;
- int ret;
-
- if (!strcmp(arg, "-"))
- arg = "pipe:";
- ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
- if (ret < 0) {
- av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
- arg, av_err2str(ret));
- return ret;
- }
- progress_avio = avio;
- return 0;
- }
-
- #define OFFSET(x) offsetof(OptionsContext, x)
- const OptionDef options[] = {
- /* main options */
- CMDUTILS_COMMON_OPTIONS
- { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
- "force format", "fmt" },
- { "y", OPT_BOOL, { &file_overwrite },
- "overwrite output files" },
- { "n", OPT_BOOL, { &no_file_overwrite },
- "never overwrite output files" },
- { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
- "Ignore unknown stream types" },
- { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
- "Copy unknown stream types" },
- { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
- "codec name", "codec" },
- { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
- "codec name", "codec" },
- { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(presets) },
- "preset name", "preset" },
- { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
- OPT_OUTPUT, { .func_arg = opt_map },
- "set input stream mapping",
- "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
- { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
- "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
- { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(metadata_map) },
- "set metadata information of outfile from infile",
- "outfile[,metadata]:infile[,metadata]" },
- { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
- OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
- "set chapters mapping", "input_file_index" },
- { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
- "record or transcode \"duration\" seconds of audio/video",
- "duration" },
- { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(stop_time) },
- "record or transcode stop time", "time_stop" },
- { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
- "set the limit file size in bytes", "limit_size" },
- { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
- "set the start time offset", "time_off" },
- { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
- OPT_INPUT, { .off = OFFSET(start_time_eof) },
- "set the start time offset relative to EOF", "time_off" },
- { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
- OPT_INPUT, { .off = OFFSET(seek_timestamp) },
- "enable/disable seeking by timestamp with -ss" },
- { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
- OPT_INPUT, { .off = OFFSET(accurate_seek) },
- "enable/disable accurate seeking with -ss" },
- { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
- OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
- "set the input ts offset", "time_off" },
- { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
- OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
- "set the input ts scale", "scale" },
- { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
- "set the recording timestamp ('now' to set the current time)", "time" },
- { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
- "add metadata", "string=string" },
- { "program", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(program) },
- "add program with specified streams", "title=string:st=number..." },
- { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
- OPT_OUTPUT, { .func_arg = opt_data_frames },
- "set the number of data frames to output", "number" },
- { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
- "add timings for benchmarking" },
- { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
- "add timings for each task" },
- { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
- "write program-readable progress information", "url" },
- { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
- "enable or disable interaction on standard input" },
- { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
- "set max runtime in seconds in CPU user time", "limit" },
- { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
- "dump each input packet" },
- { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
- "when dumping packets, also dump the payload" },
- { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
- OPT_INPUT, { .off = OFFSET(rate_emu) },
- "read input at native frame rate", "" },
- { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
- "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
- "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
- { "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
- "video sync method", "" },
- { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
- "frame drop threshold", "" },
- { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
- "audio sync method", "" },
- { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
- "audio drift threshold", "threshold" },
- { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
- "copy timestamps" },
- { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
- "shift input timestamps to start at 0 when using copyts" },
- { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
- "copy input stream time base when stream copying", "mode" },
- { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
- OPT_OUTPUT, { .off = OFFSET(shortest) },
- "finish encoding within shortest input" },
- { "bitexact", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
- OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(bitexact) },
- "bitexact mode" },
- { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(apad) },
- "audio pad", "" },
- { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
- "timestamp discontinuity delta threshold", "threshold" },
- { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
- "timestamp error delta threshold", "threshold" },
- { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
- "exit on error", "error" },
- { "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
- "abort on the specified condition flags", "flags" },
- { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
- "copy initial non-keyframes" },
- { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
- "copy or discard frames before start time" },
- { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
- "set the number of frames to output", "number" },
- { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
- OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
- "force codec tag/fourcc", "fourcc/tag" },
- { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
- OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
- "use fixed quality scale (VBR)", "q" },
- { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
- OPT_OUTPUT, { .func_arg = opt_qscale },
- "use fixed quality scale (VBR)", "q" },
- { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
- "set profile", "profile" },
- { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
- "set stream filtergraph", "filter_graph" },
- { "filter_threads", HAS_ARG | OPT_INT, { &filter_nbthreads },
- "number of non-complex filter threads" },
- { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
- "read stream filtergraph description from a file", "filename" },
- { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
- "reinit filtergraph on input parameter changes", "" },
- { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
- "create a complex filtergraph", "graph_description" },
- { "filter_complex_threads", HAS_ARG | OPT_INT, { &filter_complex_nbthreads },
- "number of threads for -filter_complex" },
- { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
- "create a complex filtergraph", "graph_description" },
- { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
- "read complex filtergraph description from a file", "filename" },
- { "auto_conversion_filters", OPT_BOOL | OPT_EXPERT, { &auto_conversion_filters },
- "enable automatic conversion filters globally" },
- { "stats", OPT_BOOL, { &print_stats },
- "print progress report during encoding", },
- { "stats_period", HAS_ARG | OPT_EXPERT, { .func_arg = opt_stats_period },
- "set the period at which ffmpeg updates stats and -progress output", "time" },
- { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
- OPT_OUTPUT, { .func_arg = opt_attach },
- "add an attachment to the output file", "filename" },
- { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
- OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
- "extract an attachment into a file", "filename" },
- { "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
- OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
- { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
- "print timestamp debugging info" },
- { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
- "ratio of decoding errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success.", "maximum error rate" },
- { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
- OPT_INPUT, { .off = OFFSET(discard) },
- "discard", "" },
- { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(disposition) },
- "disposition", "" },
- { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
- { .off = OFFSET(thread_queue_size) },
- "set the maximum number of queued packets from the demuxer" },
- { "find_stream_info", OPT_BOOL | OPT_PERFILE | OPT_INPUT | OPT_EXPERT, { &find_stream_info },
- "read and decode the streams to fill missing information with heuristics" },
-
- /* video options */
- { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
- "set the number of video frames to output", "number" },
- { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
- "set frame rate (Hz value, fraction or abbreviation)", "rate" },
- { "fpsmax", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(max_frame_rates) },
- "set max frame rate (Hz value, fraction or abbreviation)", "rate" },
- { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
- "set frame size (WxH or abbreviation)", "size" },
- { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
- "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
- { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
- "set pixel format", "format" },
- { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
- "set the number of bits per raw sample", "number" },
- { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
- "deprecated use -g 1" },
- { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
- "disable video" },
- { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
- "rate control override for specific intervals", "override" },
- { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
- OPT_OUTPUT, { .func_arg = opt_video_codec },
- "force video codec ('copy' to copy stream)", "codec" },
- { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
- "Removed" },
- { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
- "Removed" },
- { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
- "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
- { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
- "select the pass number (1 to 3)", "n" },
- { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
- "select two pass log file name prefix", "prefix" },
- { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
- "this option is deprecated, use the yadif filter instead" },
- { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
- "calculate PSNR of compressed frames" },
- { "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
- "dump video coding statistics to file" },
- { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
- "dump video coding statistics to file", "file" },
- { "vstats_version", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &vstats_version },
- "Version of the vstats format to use."},
- { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
- "set video filters", "filter_graph" },
- { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
- "specify intra matrix coeffs", "matrix" },
- { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
- "specify inter matrix coeffs", "matrix" },
- { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
- "specify intra matrix coeffs", "matrix" },
- { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
- "top=1/bottom=0/auto=-1 field first", "" },
- { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
- OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
- "force video tag/fourcc", "fourcc/tag" },
- { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
- "show QP histogram" },
- { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
- OPT_OUTPUT, { .off = OFFSET(force_fps) },
- "force the selected framerate, disable the best supported framerate selection" },
- { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
- OPT_OUTPUT, { .func_arg = opt_streamid },
- "set the value of an outfile streamid", "streamIndex:value" },
- { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
- OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
- "force key frames at specified timestamps", "timestamps" },
- { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
- "audio bitrate (please use -b:a)", "bitrate" },
- { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
- "video bitrate (please use -b:v)", "bitrate" },
- { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
- OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
- "use HW accelerated decoding", "hwaccel name" },
- { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
- OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
- "select a device for HW acceleration", "devicename" },
- { "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
- OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
- "select output format used with HW accelerated decoding", "format" },
- #if CONFIG_VIDEOTOOLBOX
- { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
- #endif
- { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
- "show available HW acceleration methods" },
- { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
- OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
- "automatically insert correct rotate filters" },
- { "autoscale", HAS_ARG | OPT_BOOL | OPT_SPEC |
- OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(autoscale) },
- "automatically insert a scale filter at the end of the filter graph" },
-
- /* audio options */
- { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
- "set the number of audio frames to output", "number" },
- { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
- "set audio quality (codec-specific)", "quality", },
- { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
- "set audio sampling rate (in Hz)", "rate" },
- { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
- OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
- "set number of audio channels", "channels" },
- { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
- "disable audio" },
- { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
- OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
- "force audio codec ('copy' to copy stream)", "codec" },
- { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
- OPT_OUTPUT, { .func_arg = opt_old2new },
- "force audio tag/fourcc", "fourcc/tag" },
- { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
- "change audio volume (256=normal)" , "volume" },
- { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
- OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
- "set sample format", "format" },
- { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
- OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
- "set channel layout", "layout" },
- { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
- "set audio filters", "filter_graph" },
- { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
- "set the maximum number of channels to try to guess the channel layout" },
-
- /* subtitle options */
- { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
- "disable subtitle" },
- { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
- "force subtitle codec ('copy' to copy stream)", "codec" },
- { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
- , "force subtitle tag/fourcc", "fourcc/tag" },
- { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
- "fix subtitles duration" },
- { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
- "set canvas size (WxH or abbreviation)", "size" },
-
- /* grab options */
- { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
- "deprecated, use -channel", "channel" },
- { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
- "deprecated, use -standard", "standard" },
- { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
-
- /* muxer options */
- { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
- "set the maximum demux-decode delay", "seconds" },
- { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
- "set the initial demux-decode delay", "seconds" },
- { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
- "specify a file in which to print sdp information", "file" },
-
- { "time_base", HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(time_bases) },
- "set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)", "ratio" },
- { "enc_time_base", HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(enc_time_bases) },
- "set the desired time base for the encoder (1:24, 1:48000 or 0.04166, 2.0833e-5). "
- "two special values are defined - "
- "0 = use frame rate (video) or sample rate (audio),"
- "-1 = match source time base", "ratio" },
-
- { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
- "A comma-separated list of bitstream filters", "bitstream_filters" },
- { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
- "deprecated", "audio bitstream_filters" },
- { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
- "deprecated", "video bitstream_filters" },
-
- { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
- "set the audio options to the indicated preset", "preset" },
- { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
- "set the video options to the indicated preset", "preset" },
- { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
- "set the subtitle options to the indicated preset", "preset" },
- { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
- "set options from indicated preset file", "filename" },
-
- { "max_muxing_queue_size", HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(max_muxing_queue_size) },
- "maximum number of packets that can be buffered while waiting for all streams to initialize", "packets" },
- { "muxing_queue_data_threshold", HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(muxing_queue_data_threshold) },
- "set the threshold after which max_muxing_queue_size is taken into account", "bytes" },
-
- /* data codec support */
- { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
- "force data codec ('copy' to copy stream)", "codec" },
- { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
- "disable data" },
-
- #if CONFIG_VAAPI
- { "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
- "set VAAPI hardware device (DRM path or X11 display name)", "device" },
- #endif
-
- #if CONFIG_QSV
- { "qsv_device", HAS_ARG | OPT_STRING | OPT_EXPERT, { &qsv_device },
- "set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", "device"},
- #endif
-
- { "init_hw_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_init_hw_device },
- "initialise hardware device", "args" },
- { "filter_hw_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_hw_device },
- "set hardware device used when filtering", "device" },
-
- { NULL, },
- };
|