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  1. Never assume the API of libav* to be stable unless at least 1 month has passed

  2. since the last major version increase.

  3. 

  4. The last version increases were:

  5. libavcodec:  2012-01-27

  6. libavdevice: 2011-04-18

  7. libavfilter: 2011-04-18

  8. libavformat: 2012-01-27

  9. libpostproc: 2011-04-18

  10. libswscale:  2011-06-20

  11. libavutil:   2011-04-18

  12. 

  13. 

  14. API changes, most recent first:

  15. 

  16. 2012-04-12 - xxxxxxx - lavfi 2.68.100

  17.   Install libavfilter/asrc_abuffer.h public header.

  18. 

  19. 2012-03-26 - a67d9cf - lavfi 2.66.100

  20.   Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.

  21. 

  22. 2012-xx-xx - xxxxxxx - lavfi 2.16.0 - avfiltergraph.h

  23.   Add avfilter_graph_parse2()

  24. 

  25. 2012-xx-xx - xxxxxxx - lavu 51.27.0 - samplefmt.h

  26.   Add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()

  27. 

  28. 2012-03-21 - b75c67d - lavu 51.43.100

  29.   Add bprint.h for bprint API.

  30. 

  31. 2012-02-21 - 9cbf17e - lavc 54.4.100

  32.   Add av_get_pcm_codec() function.

  33. 

  34. 2012-02-16 - 560b224 - libswr 0.7.100

  35.   Add swr_set_matrix() function.

  36. 

  37. 2012-02-09 - c28e7af - lavu 51.39.100

  38.   Add a new installed header libavutil/timestamp.h with timestamp

  39.   utilities.

  40. 

  41. 2012-02-06 - 70ffda3 - lavu 51.38.100

  42.   Add av_parse_ratio() function to parseutils.h.

  43. 

  44. 2012-02-06 - 70ffda3 - lavu 51.38.100

  45.   Add AV_LOG_MAX_OFFSET macro to log.h.

  46. 

  47. 2012-02-02 - 0eaa123 - lavu 51.37.100

  48.   Add public timecode helpers.

  49. 

  50. 2012-01-24 - 0c3577b - lavfi 2.60.100

  51.   Add avfilter_graph_dump.

  52. 

  53. 2012-03-05 - lavc 54.8.0

  54.   6699d07 Add av_get_exact_bits_per_sample()

  55.   9524cf7 Add av_get_audio_frame_duration()

  56. 

  57. 2012-03-04 - 44fe77b - lavc 54.7.0 - avcodec.h

  58.   Add av_codec_is_encoder/decoder().

  59. 

  60. 2012-03-01 - 442c132 - lavc 54.3.0 - avcodec.h

  61.   Add av_packet_shrink_side_data.

  62. 

  63. 2012-02-29 - dd2a4bc - lavf 54.2.0 - avformat.h

  64.   Add AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,

  65.   used for dealing with attached pictures/cover art.

  66. 

  67. 2012-02-25 - c9bca80 - lavu 51.24.0 - error.h

  68.   Add AVERROR_UNKNOWN

  69.   NOTE: this was backported to 0.8

  70. 

  71. 2012-02-20 - e9cda85 - lavc 54.2.0

  72.   Add duration field to AVCodecParserContext

  73. 

  74. 2012-02-20 - 0b42a93 - lavu 51.23.1 - mathematics.h

  75.   Add av_rescale_q_rnd()

  76. 

  77. 2012-02-08 - 38d5533 - lavu 51.22.1 - pixdesc.h

  78.   Add PIX_FMT_PSEUDOPAL flag.

  79. 

  80. 2012-02-08 - 52f82a1 - lavc 54.01.0

  81.   Add avcodec_encode_video2() and deprecate avcodec_encode_video().

  82. 

  83. 2012-02-01 - 316fc74 - lavc 54.01.0

  84.   Add av_fast_padded_malloc() as alternative for av_realloc() when aligned

  85.   memory is required. The buffer will always have FF_INPUT_BUFFER_PADDING_SIZE

  86.   zero-padded bytes at the end.

  87. 

  88. 2012-01-31 - dd6d3b0 - lavf 54.01.0

  89.   Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().

  90.   NOTE: this was backported to 0.8

  91. 

  92. 2012-01-31 - af08d9a - lavc 54.01.0

  93.   Add avcodec_is_open() function.

  94.   NOTE: this was backported to 0.8

  95. 

  96. 2012-01-30 - 8b93312 - lavu 51.22.0 - intfloat.h

  97.   Add a new installed header libavutil/intfloat.h with int/float punning

  98.   functions.

  99.   NOTE: this was backported to 0.8

  100. 

  101. 2012-01-25 - lavf 53.22.0

  102.   f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possible

  103.           buffered data within a muxer. Added AVFMT_ALLOW_FLUSH for

  104.           muxers supporting it (av_write_frame makes sure it is called

  105.           only for muxers with this flag).

  106. 

  107. 2012-01-15 - lavc 53.34.0

  108.   New audio encoding API:

  109.   b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio

  110.           encoders.

  111.   5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.

  112.   b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().

  113.           Add AVCodec.encode2().

  114. 

  115. 2012-01-12 - 3167dc9 - lavfi 2.15.0

  116.   Add a new installed header -- libavfilter/version.h -- with version macros.

  117. 

  118. 2011-12-08 - a502939 - lavfi 2.52.0

  119.   Add av_buffersink_poll_frame() to buffersink.h.

  120. 

  121. 2011-12-08 - 26c6fec - lavu 51.31.0

  122.   Add av_log_format_line.

  123. 

  124. 2011-12-03 - 976b095 - lavu 51.30.0

  125.   Add AVERROR_BUG.

  126. 

  127. 2011-11-24 - 573ffbb - lavu 51.28.1

  128.   Add av_get_alt_sample_fmt() to samplefmt.h.

  129. 

  130. 2011-11-03 - 96949da - lavu 51.23.0

  131.   Add av_strcasecmp() and av_strncasecmp() to avstring.h.

  132. 

  133. 2011-10-20 - b35e9e1 - lavu 51.22.0

  134.   Add av_strtok() to avstring.h.

  135. 

  136. 2011-01-03 - b73ec05 - lavu 51.21.0

  137.   Add av_popcount64

  138. 

  139. 2011-12-18 - 8400b12 - lavc 53.28.1

  140.   Deprecate AVFrame.age. The field is unused.

  141. 

  142. 2011-12-12 - 5266045 - lavf 53.17.0

  143.   Add avformat_close_input().

  144.   Deprecate av_close_input_file() and av_close_input_stream().

  145. 

  146. 2011-12-02 - 0eea212 - lavc 53.25.0

  147.   Add nb_samples and extended_data fields to AVFrame.

  148.   Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.

  149.   Deprecate avcodec_decode_audio3() in favor of avcodec_decode_audio4().

  150.   avcodec_decode_audio4() writes output samples to an AVFrame, which allows

  151.   audio decoders to use get_buffer().

  152. 

  153. 2011-12-04 - 560f773 - lavc 53.24.0

  154.   Change AVFrame.data[4]/base[4]/linesize[4]/error[4] to [8] at next major bump.

  155.   Change AVPicture.data[4]/linesize[4] to [8] at next major bump.

  156.   Change AVCodecContext.error[4] to [8] at next major bump.

  157.   Add AV_NUM_DATA_POINTERS to simplify the bump transition.

  158. 

  159. 2011-11-23 - bbb46f3 - lavu 51.18.0

  160.   Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and

  161.   av_samples_alloc(), to samplefmt.h.

  162. 

  163. 2011-11-23 - 8889cc4 - lavu 51.17.0

  164.   Add planar sample formats and av_sample_fmt_is_planar() to samplefmt.h.

  165. 

  166. 2011-11-19 - f3a29b7 - lavc 53.21.0

  167.   Move some AVCodecContext fields to a new private struct, AVCodecInternal,

  168.   which is accessed from a new field, AVCodecContext.internal.

  169.   - fields moved:

  170.       AVCodecContext.internal_buffer       --> AVCodecInternal.buffer

  171.       AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count

  172.       AVCodecContext.is_copy               --> AVCodecInternal.is_copy

  173. 

  174. 2011-11-16 - 6270671 - lavu 51.16.0

  175.   Add av_timegm()

  176. 

  177. 2011-11-13 - lavf 53.15.0

  178.   New interrupt callback API, allowing per-AVFormatContext/AVIOContext

  179.   interrupt callbacks.

  180.   6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to

  181.           AVFormatContext.

  182.   1dee0ac Add avio_open2() with additional parameters. Those are

  183.           an interrupt callback and an options AVDictionary.

  184.           This will allow passing AVOptions to protocols after lavf

  185.           54.0.

  186. 

  187. 2011-11-06 - ba04ecf - lavu 51.14.0

  188.   Add av_strcasecmp() and av_strncasecmp() to avstring.h.

  189. 

  190. 2011-11-06 - 07b172f - lavu 51.13.0

  191.   Add av_toupper()/av_tolower()

  192. 

  193. 2011-11-05 - b6d08f4 - lavf 53.13.0

  194.   Add avformat_network_init()/avformat_network_deinit()

  195. 

  196. 2011-10-27 - 512557b - lavc 53.15.0

  197.   Remove avcodec_parse_frame.

  198.   Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.

  199. 

  200. 2011-10-19 - 569129a - lavf 53.10.0

  201.   Add avformat_new_stream(). Deprecate av_new_stream().

  202. 

  203. 2011-10-13 - b631fba - lavf 53.9.0

  204.   Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.

  205. 

  206. 2011-10-12 - lavu 51.12.0

  207.   AVOptions API rewrite.

  208. 

  209.   - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*

  210.   - new setting/getting functions with slightly different semantics:

  211.         dac66da av_set_string3 -> av_opt_set

  212.                 av_set_double  -> av_opt_set_double

  213.                 av_set_q       -> av_opt_set_q

  214.                 av_set_int     -> av_opt_set_int

  215. 

  216.         41d9d51 av_get_string  -> av_opt_get

  217.                 av_get_double  -> av_opt_get_double

  218.                 av_get_q       -> av_opt_get_q

  219.                 av_get_int     -> av_opt_get_int

  220. 

  221.   - 8c5dcaa trivial rename av_next_option -> av_opt_next

  222.   - 641c7af new functions - av_opt_child_next, av_opt_child_class_next

  223.     and av_opt_find2()

  224. 

  225. 2011-09-22 - a70e787 - lavu 51.17.0

  226.   Add av_x_if_null().

  227. 

  228. 2011-09-18 - 645cebb - lavc 53.16.0

  229.   Add showall flag2

  230. 

  231. 2011-09-16 - ea8de10 - lavfi 2.42.0

  232.   Add avfilter_all_channel_layouts.

  233. 

  234. 2011-09-16 - 9899037 - lavfi 2.41.0

  235.   Rename avfilter_all_* function names to avfilter_make_all_*.

  236. 

  237.   In particular, apply the renames:

  238.   avfilter_all_formats         -> avfilter_make_all_formats

  239.   avfilter_all_channel_layouts -> avfilter_make_all_channel_layouts

  240.   avfilter_all_packing_formats -> avfilter_make_all_packing_formats

  241. 

  242. 2011-09-12 - 4381bdd - lavfi 2.40.0

  243.   Change AVFilterBufferRefAudioProps.sample_rate type from uint32_t to int.

  244. 

  245. 2011-09-12 - 2c03174 - lavfi 2.40.0

  246.   Simplify signature for avfilter_get_audio_buffer(), make it

  247.   consistent with avfilter_get_video_buffer().

  248. 

  249. 2011-09-06 - 4f7dfe1 - lavfi 2.39.0

  250.   Rename libavfilter/vsink_buffer.h to libavfilter/buffersink.h.

  251. 

  252. 2011-09-06 - c4415f6 - lavfi 2.38.0

  253.   Unify video and audio sink API.

  254. 

  255.   In particular, add av_buffersink_get_buffer_ref(), deprecate

  256.   av_vsink_buffer_get_video_buffer_ref() and change the value for the

  257.   opaque field passed to the abuffersink init function.

  258. 

  259. 2011-09-04 - 61e2e29 - lavu 51.16.0

  260.   Add av_asprintf().

  261. 

  262. 2011-08-22 - dacd827 - lavf 53.10.0

  263.   Add av_find_program_from_stream().

  264. 

  265. 2011-08-20 - 69e2c1a - lavu 51.13.0

  266.   Add av_get_media_type_string().

  267. 

  268. 2011-09-03 - fb4ca26 - lavc 53.13.0

  269.                        lavf 53.11.0

  270.                        lsws  2.1.0

  271.   Add {avcodec,avformat,sws}_get_class().

  272. 

  273. 2011-08-03 - c11fb82 - lavu 51.15.0

  274.   Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.

  275. 

  276. 2011-08-14 - 323b930 - lavu 51.12.0

  277.   Add av_fifo_peek2(), deprecate av_fifo_peek().

  278. 

  279. 2011-08-26 - lavu 51.9.0

  280.   - add41de..abc78a5 Do not include intfloat_readwrite.h,

  281.     mathematics.h, rational.h, pixfmt.h, or log.h from avutil.h.

  282. 

  283. 2011-08-16 - 48f9e45 - lavf 53.8.0

  284.   Add avformat_query_codec().

  285. 

  286. 2011-08-16 - bca06e7 - lavc 53.11.0

  287.   Add avcodec_get_type().

  288. 

  289. 2011-08-06 - 2f63440 - lavf 53.7.0

  290.   Add error_recognition to AVFormatContext.

  291. 

  292. 2011-08-02 - 9d39cbf - lavc 53.9.1

  293.   Add AV_PKT_FLAG_CORRUPT AVPacket flag.

  294. 

  295. 2011-07-16 - b57df29 - lavfi 2.27.0

  296.   Add audio packing negotiation fields and helper functions.

  297. 

  298.   In particular, add AVFilterPacking enum, planar, in_packings and

  299.   out_packings fields to AVFilterLink, and the functions:

  300.   avfilter_set_common_packing_formats()

  301.   avfilter_all_packing_formats()

  302. 

  303. 2011-07-10 - a67c061 - lavf 53.6.0

  304.   Add avformat_find_stream_info(), deprecate av_find_stream_info().

  305.   NOTE: this was backported to 0.7

  306. 

  307. 2011-07-10 - 0b950fe - lavc 53.8.0

  308.   Add avcodec_open2(), deprecate avcodec_open().

  309.   NOTE: this was backported to 0.7

  310. 

  311.   Add avcodec_alloc_context3. Deprecate avcodec_alloc_context() and

  312.   avcodec_alloc_context2().

  313. 

  314. 2011-07-01 - b442ca6 - lavf 53.5.0 - avformat.h

  315.   Add function av_get_output_timestamp().

  316. 

  317. 2011-06-28 - 5129336 - lavu 51.11.0 - avutil.h

  318.   Define the AV_PICTURE_TYPE_NONE value in AVPictureType enum.

  319. 

  320. 2011-06-19 - fd2c0a5 - lavfi 2.23.0 - avfilter.h

  321.   Add layout negotiation fields and helper functions.

  322. 

  323.   In particular, add in_chlayouts and out_chlayouts to AVFilterLink,

  324.   and the functions:

  325.   avfilter_set_common_sample_formats()

  326.   avfilter_set_common_channel_layouts()

  327.   avfilter_all_channel_layouts()

  328. 

  329. 2011-06-19 - 527ca39 - lavfi 2.22.0 - AVFilterFormats

  330.   Change type of AVFilterFormats.formats from int * to int64_t *,

  331.   and update formats handling API accordingly.

  332. 

  333.   avfilter_make_format_list() still takes a int32_t array and converts

  334.   it to int64_t. A new function, avfilter_make_format64_list(), that

  335.   takes int64_t arrays has been added.

  336. 

  337. 2011-06-19 - 44f669e - lavfi 2.21.0 - vsink_buffer.h

  338.   Add video sink buffer and vsink_buffer.h public header.

  339. 

  340. 2011-06-12 - 9fdf772 - lavfi 2.18.0 - avcodec.h

  341.   Add avfilter_get_video_buffer_ref_from_frame() function in

  342.   libavfilter/avcodec.h.

  343. 

  344. 2011-06-12 - c535494 - lavfi 2.17.0 - avfiltergraph.h

  345.   Add avfilter_inout_alloc() and avfilter_inout_free() functions.

  346. 

  347. 2011-06-12 - 6119b23 - lavfi 2.16.0 - avfilter_graph_parse()

  348.   Change avfilter_graph_parse() signature.

  349. 

  350. 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h

  351.   Add av_printf_format().

  352. 

  353. 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h

  354.   Add avformat_open_input and avformat_write_header().

  355.   Deprecate av_open_input_stream, av_open_input_file,

  356.   AVFormatParameters and av_write_header.

  357. 

  358. 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h

  359.   Add av_opt_set_dict() and av_opt_find().

  360.   Deprecate av_find_opt().

  361.   Add AV_DICT_APPEND flag.

  362. 

  363. 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h

  364.   Add av_opt_flag_is_set().

  365. 

  366. 2011-06-10 - c381960 - lavfi 2.15.0 - avfilter_get_audio_buffer_ref_from_arrays

  367.   Add avfilter_get_audio_buffer_ref_from_arrays() to avfilter.h.

  368. 

  369. 2011-06-09 - d9f80ea - lavu 51.8.0 - AVMetadata

  370.   Move AVMetadata from lavf to lavu and rename it to

  371.   AVDictionary -- new installed header dict.h.

  372.   All av_metadata_* functions renamed to av_dict_*.

  373. 

  374. 2011-06-07 - a6703fa - lavu 51.8.0 - av_get_bytes_per_sample()

  375.   Add av_get_bytes_per_sample() in libavutil/samplefmt.h.

  376.   Deprecate av_get_bits_per_sample_fmt().

  377. 

  378. 2011-06-05 - b39b062 - lavu 51.8.0 - opt.h

  379.   Add av_opt_free convenience function.

  380. 

  381. 2011-06-06 - 95a0242 - lavfi 2.14.0 - AVFilterBufferRefAudioProps

  382.   Remove AVFilterBufferRefAudioProps.size, and use nb_samples in

  383.   avfilter_get_audio_buffer() and avfilter_default_get_audio_buffer() in

  384.   place of size.

  385. 

  386. 2011-06-06 - 0bc2cca - lavu 51.6.0 - av_samples_alloc()

  387.   Switch nb_channels and nb_samples parameters order in

  388.   av_samples_alloc().

  389. 

  390. 2011-06-06 - e1c7414 - lavu 51.5.0 - av_samples_*

  391.   Change the data layout created by av_samples_fill_arrays() and

  392.   av_samples_alloc().

  393. 

  394. 2011-06-06 - 27bcf55 - lavfi 2.13.0 - vsrc_buffer.h

  395.   Make av_vsrc_buffer_add_video_buffer_ref() accepts an additional

  396.   flags parameter in input.

  397. 

  398. 2011-06-03 - e977ca2 - lavfi 2.12.0 - avfilter_link_free()

  399.   Add avfilter_link_free() function.

  400. 

  401. 2011-06-02 - 5ad38d9 - lavu 51.4.0 - av_force_cpu_flags()

  402.   Add av_cpu_flags() in libavutil/cpu.h.

  403. 

  404. 2011-05-28 - e71f260 - lavu 51.3.0 - pixdesc.h

  405.   Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate

  406.   avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.

  407. 

  408. 2011-05-25 - 30315a8 - lavf 53.3.0 - avformat.h

  409.   Add fps_probe_size to AVFormatContext.

  410. 

  411. 2011-05-22 - 5ecdfd0 - lavf 53.2.0 - avformat.h

  412.   Introduce avformat_alloc_output_context2() and deprecate

  413.   avformat_alloc_output_context().

  414. 

  415. 2011-05-22 - 83db719 - lavfi 2.10.0 - vsrc_buffer.h

  416.   Make libavfilter/vsrc_buffer.h public.

  417. 

  418. 2011-05-19 - c000a9f - lavfi 2.8.0 - avcodec.h

  419.   Add av_vsrc_buffer_add_frame() to libavfilter/avcodec.h.

  420. 

  421. 2011-05-14 - 9fdf772 - lavfi 2.6.0 - avcodec.h

  422.   Add avfilter_get_video_buffer_ref_from_frame() to libavfilter/avcodec.h.

  423. 

  424. 2011-05-18 - 64150ff - lavc 53.7.0 - AVCodecContext.request_sample_fmt

  425.   Add request_sample_fmt field to AVCodecContext.

  426. 

  427. 2011-05-10 - 188dea1 - lavc 53.6.0 - avcodec.h

  428.   Deprecate AVLPCType and the following fields in

  429.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  430.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  431.   Corresponding FLAC encoder options should be used instead.

  432. 

  433. 2011-05-07 - 9fdf772 - lavfi 2.5.0 - avcodec.h

  434.   Add libavfilter/avcodec.h header and avfilter_copy_frame_props()

  435.   function.

  436. 

  437. 2011-05-07 - 18ded93 - lavc 53.5.0 - AVFrame

  438.   Add format field to AVFrame.

  439. 

  440. 2011-05-07 - 22333a6 - lavc 53.4.0 - AVFrame

  441.   Add width and height fields to AVFrame.

  442. 

  443. 2011-05-01 - 35fe66a - lavfi 2.4.0 - avfilter.h

  444.   Rename AVFilterBufferRefVideoProps.pixel_aspect to

  445.   sample_aspect_ratio.

  446. 

  447. 2011-05-01 - 77e9dee - lavc 53.3.0 - AVFrame

  448.   Add a sample_aspect_ratio field to AVFrame.

  449. 

  450. 2011-05-01 - 1ba5727 - lavc 53.2.0 - AVFrame

  451.   Add a pkt_pos field to AVFrame.

  452. 

  453. 2011-04-29 - 35ceaa7 - lavu 51.2.0 - mem.h

  454.   Add av_dynarray_add function for adding

  455.   an element to a dynamic array.

  456. 

  457. 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h

  458.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

  459.   FF_*_TYPE defines and av_get_pict_type_char() defined in

  460.   libavcodec/avcodec.h.

  461. 

  462. 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h

  463.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  464. 

  465. 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  466.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  467. 

  468. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  469.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  470. 

  471. 2011-04-15 - lavc 52.120.0 - avcodec.h

  472.   AVPacket structure got additional members for passing side information:

  473.     4de339e introduce side information for AVPacket

  474.     2d8591c make containers pass palette change in AVPacket

  475. 

  476. 2011-04-12 - lavf 52.107.0 - avio.h

  477.   Avio cleanup, part II - deprecate the entire URLContext API:

  478.     175389c add avio_check as a replacement for url_exist

  479.     ff1ec0c add avio_pause and avio_seek_time as replacements

  480.             for _av_url_read_fseek/fpause

  481.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  482.             should be used instead.

  483.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

  484.     f87b1b3 rename open flags: URL_* -> AVIO_*

  485.     f8270bb add avio_enum_protocols.

  486.     5593f03 deprecate URLProtocol.

  487.     c486dad deprecate URLContext.

  488.     026e175 deprecate the typedef for URLInterruptCB

  489.     8e76a19 deprecate av_register_protocol2.

  490.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  491.     1305d93 deprecate av_url_read_seek

  492.     fa104e1 deprecate av_url_read_pause

  493.     727c7aa deprecate url_get_filename().

  494.     5958df3 deprecate url_max_packet_size().

  495.     1869ea0 deprecate url_get_file_handle().

  496.     32a97d4 deprecate url_filesize().

  497.     e52a914 deprecate url_close().

  498.     58a48c6 deprecate url_seek().

  499.     925e908 deprecate url_write().

  500.     dce3756 deprecate url_read_complete().

  501.     bc371ac deprecate url_read().

  502.     0589da0 deprecate url_open().

  503.     62eaaea deprecate url_connect.

  504.     5652bb9 deprecate url_alloc.

  505.     333e894 deprecate url_open_protocol

  506.     e230705 deprecate url_poll and URLPollEntry

  507. 

  508. 2011-04-08 - lavf 52.106.0 - avformat.h

  509.   Minor avformat.h cleanup:

  510.     a9bf9d8 deprecate av_guess_image2_codec

  511.     c3675df rename avf_sdp_create->av_sdp_create

  512. 

  513. 2011-04-03 - lavf 52.105.0 - avio.h

  514.   Large-scale renaming/deprecating of AVIOContext-related functions:

  515.     724f6a0 deprecate url_fdopen

  516.     403ee83 deprecate url_open_dyn_packet_buf

  517.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  518.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  519.     8978fed introduce an AVIOContext.seekable field as a replacement for

  520.             AVIOContext.is_streamed and url_is_streamed()

  521.     b64030f deprecate get_checksum()

  522.     4c4427a deprecate init_checksum()

  523.     4ec153b deprecate udp_set_remote_url/get_local_port

  524.     933e90a deprecate av_url_read_fseek/fpause

  525.     8d9769a deprecate url_fileno

  526.     b7f2fdd rename put_flush_packet -> avio_flush

  527.     35f1023 deprecate url_close_buf

  528.     83fddae deprecate url_open_buf

  529.     d9d86e0 rename url_fprintf -> avio_printf

  530.     59f65d9 deprecate url_setbufsize

  531.     3e68b3b deprecate url_ferror

  532.     e8bb2e2 deprecate url_fget_max_packet_size

  533.     76aa876 rename url_fsize -> avio_size

  534.     e519753 deprecate url_fgetc

  535.     655e45e deprecate url_fgets

  536.     a2704c9 rename url_ftell -> avio_tell

  537.     e16ead0 deprecate get_strz() in favor of avio_get_str

  538.     0300db8,2af07d3 rename url_fskip -> avio_skip

  539.     6b4aa5d rename url_fseek -> avio_seek

  540.     61840b4 deprecate put_tag

  541.     22a3212 rename url_fopen/fclose -> avio_open/close.

  542.     0ac8e2b deprecate put_nbyte

  543.     77eb550 rename put_byte          -> avio_w8

  544.                    put_[b/l]e<type>  -> avio_w[b/l]<type>

  545.                    put_buffer        -> avio_write

  546.     b7effd4 rename get_byte          -> avio_r8,

  547.                    get_[b/l]e<type>  -> avio_r[b/l]<type>

  548.                    get_buffer        -> avio_read

  549.     b3db9ce deprecate get_partial_buffer

  550.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  551. 

  552. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  553.   Add audio_service_type field to AVCodecContext.

  554. 

  555. 2011-03-17 - e309fdc - lavu 50.40.0 - pixfmt.h

  556.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  557. 

  558. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  559.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  560.   source stream timebase for outputting timestamps. Deprecate

  561.   av_pkt_dump and av_pkt_dump_log.

  562. 

  563. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

  564.   * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the

  565.               original, and move it to a private header so it is no longer

  566.               part of our public API. Instead, use av_alloc_put_byte().

  567.   * ae628ec - rename ByteIOContext to AVIOContext.

  568. 

  569. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  570.                        lavu  52.39.0  - parseutils.h

  571.   * 610219a - Add av_ prefix to dump_format().

  572.   * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.

  573.   * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.

  574. 

  575. 2011-02-15 - lavu 52.38.0 - merge libavcore

  576.   libavcore is merged back completely into libavutil

  577. 

  578. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  579.   Add vbv_delay field to AVCodecContext

  580. 

  581. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  582.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  583. 

  584. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  585.   Add sample_aspect_ratio field to AVFilterLink.

  586. 

  587. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  588.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  589. 

  590. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

  591.   Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead

  592.   set thread_count before calling avcodec_open.

  593. 

  594. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

  595.   Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/

  596.   release_buffer()/draw_horiz_band() callbacks for appropriate codecs.

  597.   Add thread_type and active_thread_type fields to AVCodecContext.

  598. 

  599. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

  600.   Add av_probe_input_buffer() to avformat.h for probing format from a

  601.   ByteIOContext.

  602. 

  603. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  604.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  605. 

  606. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  607.   Add avformat_free_context() in avformat.h.

  608. 

  609. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  610.   Add CODEC_ID_PRORES to avcodec.h.

  611. 

  612. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

  613.   Add defines for H.264 * Constrained Baseline and Intra profiles

  614. 

  615. 2011-02-02 - lavf 52.95.0

  616.   * 50196a9 - add a new installed header version.h.

  617.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

  618.     avio_{put,get}_str* functions.  Deprecate corresponding semi-public

  619.     {put,get}_str*.

  620. 

  621. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  622.   Make av_dlog public.

  623. 

  624. 2011-01-31 - 7b3ea55 - lavfi 1.76.0 - vsrc_buffer

  625.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  626. 

  627. 2011-01-31 - 910b5b8 - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio

  628.   Add sample_aspect_ratio field to AVFilterLink.

  629. 

  630. 2011-01-15 - a242ac3 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  631.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  632. 

  633. 2011-01-14 - 7f88a5b - lavf 52.93.0 - av_metadata_copy()

  634.   Add av_metadata_copy() in avformat.h.

  635. 

  636. 2011-01-07 - 81c623f - lavc 52.107.0 - deprecate reordered_opaque

  637.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  638. 

  639. 2011-01-07 - 1919fea - lavc 52.106.0 - pkt_dts

  640.   Add pkt_dts to AVFrame, this will in the future allow multithreading decoders

  641.   to not mess up dts.

  642. 

  643. 2011-01-07 - 393cbb9 - lavc 52.105.0 - pkt_pts

  644.   Add pkt_pts to AVFrame.

  645. 

  646. 2011-01-07 - 060ec0a - lavc 52.104.0 - av_get_profile_name()

  647.   Add av_get_profile_name to libavcodec/avcodec.h.

  648. 

  649. 2010-12-27 - 0ccabee - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  650.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  651. 

  652. 2010-12-27 - 9128ae0 - lavf 52.91.0 - av_find_best_stream()

  653.   Add av_find_best_stream to libavformat/avformat.h.

  654. 

  655. 2010-12-27 - 107a7e3 - lavf 52.90.0

  656.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  657.   like e.g. text metadata.

  658. 

  659. 2010-12-22 - 0328b9e - lavu 50.36.0 - file.h

  660.   Add functions av_file_map() and av_file_unmap() in file.h.

  661. 

  662. 2010-12-19 - 0bc55f5 - lavu 50.35.0 - error.h

  663.   Add "not found" error codes:

  664.   AVERROR_DEMUXER_NOT_FOUND

  665.   AVERROR_MUXER_NOT_FOUND

  666.   AVERROR_DECODER_NOT_FOUND

  667.   AVERROR_ENCODER_NOT_FOUND

  668.   AVERROR_PROTOCOL_NOT_FOUND

  669.   AVERROR_FILTER_NOT_FOUND

  670.   AVERROR_BSF_NOT_FOUND

  671.   AVERROR_STREAM_NOT_FOUND

  672. 

  673. 2010-12-09 - c61cdd0 - lavcore 0.16.0 - avcore.h

  674.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  675.   avcodec.h to avcore.h.

  676. 

  677. 2010-12-04 - 16cfc96 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

  678.   Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.

  679. 

  680. 2010-12-04 - bb4afa1 - lavu 50.34.0 - av_get_pix_fmt_string()

  681.   Deprecate avcodec_pix_fmt_string() in favor of

  682.   pixdesc.h/av_get_pix_fmt_string().

  683. 

  684. 2010-12-04 - 4da12e3 - lavcore 0.15.0 - av_image_alloc()

  685.   Add av_image_alloc() to libavcore/imgutils.h.

  686. 

  687. 2010-12-02 - 037be76 - lavfi 1.67.0 - avfilter_graph_create_filter()

  688.   Add function avfilter_graph_create_filter() in avfiltergraph.h.

  689. 

  690. 2010-11-25 - 4723bc2 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  691.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  692.   avfilter.h.

  693. 

  694. 2010-11-21 - 176a615 - lavcore 0.14.0 - audioconvert.h

  695.   Add a public audio channel API in audioconvert.h, and deprecate the

  696.   corresponding functions in libavcodec:

  697.   avcodec_get_channel_name()

  698.   avcodec_get_channel_layout()

  699.   avcodec_get_channel_layout_string()

  700.   avcodec_channel_layout_num_channels()

  701.   and the CH_* macros defined in libavcodec/avcodec.h.

  702. 

  703. 2010-11-21 - 6bfc268 - lavf 52.85.0 - avformat.h

  704.   Add av_append_packet().

  705. 

  706. 2010-11-21 - a08d918 - lavc 52.97.0 - avcodec.h

  707.   Add av_grow_packet().

  708. 

  709. 2010-11-17 - 0985e1a - lavcore 0.13.0 - parseutils.h

  710.   Add av_parse_color() declared in libavcore/parseutils.h.

  711. 

  712. 2010-11-13 - cb2c971 - lavc 52.95.0 - AVCodecContext

  713.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  714.   fields.

  715. 

  716. 2010-11-13 - 5aaea02 - lavfi 1.62.0 - avfiltergraph.h

  717.   Make avfiltergraph.h public.

  718. 

  719. 2010-11-13 - 4fcbb2a - lavfi 1.61.0 - avfiltergraph.h

  720.   Remove declarations from avfiltergraph.h for the functions:

  721.   avfilter_graph_check_validity()

  722.   avfilter_graph_config_links()

  723.   avfilter_graph_config_formats()

  724.   which are now internal.

  725.   Use avfilter_graph_config() instead.

  726. 

  727. 2010-11-08 - d2af720 - lavu 50.33.0 - eval.h

  728.   Deprecate functions:

  729.   av_parse_and_eval_expr(),

  730.   av_parse_expr(),

  731.   av_eval_expr(),

  732.   av_free_expr(),

  733.   in favor of the functions:

  734.   av_expr_parse_and_eval(),

  735.   av_expr_parse(),

  736.   av_expr_eval(),

  737.   av_expr_free().

  738. 

  739. 2010-11-08 - 24de0ed - lavfi 1.59.0 - avfilter_free()

  740.   Rename avfilter_destroy() to avfilter_free().

  741.   This change breaks libavfilter API/ABI.

  742. 

  743. 2010-11-07 - 1e80a0e - lavfi 1.58.0 - avfiltergraph.h

  744.   Remove graphparser.h header, move AVFilterInOut and

  745.   avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.

  746. 

  747. 2010-11-07 - 7313132 - lavfi 1.57.0 - AVFilterInOut

  748.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  749.   This change breaks libavfilter API.

  750. 

  751. 2010-11-04 - 97dd1e4 - lavfi 1.56.0 - avfilter_graph_free()

  752.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  753.   This change breaks libavfilter API/ABI.

  754. 

  755. 2010-11-04 - e15aeea - lavfi 1.55.0 - avfilter_graph_alloc()

  756.   Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.

  757. 

  758. 2010-11-02 - 6f84cd1 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

  759.   Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and

  760.   deprecate av_get_bits_per_sample_format().

  761. 

  762. 2010-11-02 - d63e456 - lavcore 0.11.0 - samplefmt.h

  763.   Add sample format functions in libavcore/samplefmt.h:

  764.   av_get_sample_fmt_name(),

  765.   av_get_sample_fmt(),

  766.   av_get_sample_fmt_string(),

  767.   and deprecate the corresponding libavcodec/audioconvert.h functions:

  768.   avcodec_get_sample_fmt_name(),

  769.   avcodec_get_sample_fmt(),

  770.   avcodec_sample_fmt_string().

  771. 

  772. 2010-11-02 - 262d1c5 - lavcore 0.10.0 - samplefmt.h

  773.   Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum

  774.   SampleFormat.

  775. 

  776. 2010-10-16 - 2a24df9 - lavfi 1.52.0 - avfilter_graph_config()

  777.   Add the function avfilter_graph_config() in avfiltergraph.h.

  778. 

  779. 2010-10-15 - 03700d3 - lavf 52.83.0 - metadata API

  780.   Change demuxers to export metadata in generic format and

  781.   muxers to accept generic format. Deprecate the public

  782.   conversion API.

  783. 

  784. 2010-10-10 - 867ae7a - lavfi 1.49.0 - AVFilterLink.time_base

  785.   Add time_base field to AVFilterLink.

  786. 

  787. 2010-09-27 - c85eef4 - lavu 50.31.0 - av_set_options_string()

  788.   Move av_set_options_string() from libavfilter/parseutils.h to

  789.   libavutil/opt.h.

  790. 

  791. 2010-09-27 - acc0490 - lavfi 1.47.0 - AVFilterLink

  792.   Make the AVFilterLink fields srcpad and dstpad store the pointers to

  793.   the source and destination pads, rather than their indexes.

  794. 

  795. 2010-09-27 - 372e288 - lavu 50.30.0 - av_get_token()

  796.   Move av_get_token() from libavfilter/parseutils.h to

  797.   libavutil/avstring.h.

  798. 

  799. 2010-09-26 - 635d4ae - lsws 0.12.0 - swscale.h

  800.   Add the functions sws_alloc_context() and sws_init_context().

  801. 

  802. 2010-09-26 - 6ed0404 - lavu 50.29.0 - opt.h

  803.   Move libavcodec/opt.h to libavutil/opt.h.

  804. 

  805. 2010-09-24 - 1c1c80f - lavu 50.28.0 - av_log_set_flags()

  806.   Default of av_log() changed due to many problems to the old no repeat

  807.   detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before

  808.   enabling it for your app!.

  809. 

  810. 2010-09-24 - f66eb58 - lavc 52.90.0 - av_opt_show2()

  811.   Deprecate av_opt_show() in favor or av_opt_show2().

  812. 

  813. 2010-09-14 - bc6f0af - lavu 50.27.0 - av_popcount()

  814.   Add av_popcount() to libavutil/common.h.

  815. 

  816. 2010-09-08 - c6c98d0 - lavu 50.26.0 - av_get_cpu_flags()

  817.   Add av_get_cpu_flags().

  818. 

  819. 2010-09-07 - 34017fd - lavcore 0.9.0 - av_image_copy()

  820.   Add av_image_copy().

  821. 

  822. 2010-09-07 - 9686abb - lavcore 0.8.0 - av_image_copy_plane()

  823.   Add av_image_copy_plane().

  824. 

  825. 2010-09-07 - 9b7269e - lavcore 0.7.0 - imgutils.h

  826.   Adopt hierarchical scheme for the imgutils.h function names,

  827.   deprecate the old names.

  828. 

  829. 2010-09-04 - 7160bb7 - lavu 50.25.0 - AV_CPU_FLAG_*

  830.   Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor

  831.   of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.

  832. 

  833. 2010-08-26 - 5da19b5 - lavc 52.87.0 - avcodec_get_channel_layout()

  834.   Add avcodec_get_channel_layout() in audioconvert.h.

  835. 

  836. 2010-08-20 - e344336 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  837.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  838. 

  839. 2010-08-18 - a6ddf8b - lavcore 0.5.0 - av_fill_image_max_pixstep()

  840.   Add av_fill_image_max_pixstep() in imgutils.h.

  841. 

  842. 2010-08-17 - 4f2d2e4 - lavu 50.24.0 - AV_NE()

  843.   Add the AV_NE macro.

  844. 

  845. 2010-08-17 - ad2c950 - lavfi 1.36.0 - audio framework

  846.   Implement AVFilterBufferRefAudioProps struct for audio properties,

  847.   get_audio_buffer(), filter_samples() functions and related changes.

  848. 

  849. 2010-08-12 - 81c1eca - lavcore 0.4.0 - av_get_image_linesize()

  850.   Add av_get_image_linesize() in imgutils.h.

  851. 

  852. 2010-08-11 - c1db7bf - lavfi 1.34.0 - AVFilterBufferRef

  853.   Resize data and linesize arrays in AVFilterBufferRef to 8.

  854. 

  855.   This change breaks libavfilter API/ABI.

  856. 

  857. 2010-08-11 - 9f08d80 - lavc 52.85.0 - av_picture_data_copy()

  858.   Add av_picture_data_copy in avcodec.h.

  859. 

  860. 2010-08-11 - 84c0386 - lavfi 1.33.0 - avfilter_open()

  861.   Change avfilter_open() signature:

  862.   AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->

  863.   int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);

  864. 

  865.   This change breaks libavfilter API/ABI.

  866. 

  867. 2010-08-11 - cc80caf - lavfi 1.32.0 - AVFilterBufferRef

  868.   Add a type field to AVFilterBufferRef, and move video specific

  869.   properties to AVFilterBufferRefVideoProps.

  870. 

  871.   This change breaks libavfilter API/ABI.

  872. 

  873. 2010-08-07 - 5d4890d - lavfi 1.31.0 - AVFilterLink

  874.   Rename AVFilterLink fields:

  875.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  876.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  877.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  878. 

  879. 2010-08-07 - 7fce481 - lavfi 1.30.0

  880.   Rename functions and fields:

  881.   avfilter_(un)ref_pic       -> avfilter_(un)ref_buffer

  882.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  883.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  884. 

  885. 2010-08-07 - ecc8dad - lavfi 1.29.0 - AVFilterBufferRef

  886.   Rename AVFilterPicRef to AVFilterBufferRef.

  887. 

  888. 2010-08-07 - d54e094 - lavfi 1.28.0 - AVFilterBuffer

  889.   Move format field from AVFilterBuffer to AVFilterPicRef.

  890. 

  891. 2010-08-06 - bf176f5 - lavcore 0.3.0 - av_check_image_size()

  892.   Deprecate avcodec_check_dimensions() in favor of the function

  893.   av_check_image_size() defined in libavcore/imgutils.h.

  894. 

  895. 2010-07-30 - 56b5e9d - lavfi 1.27.0 - AVFilterBuffer

  896.   Increase size of the arrays AVFilterBuffer.data and

  897.   AVFilterBuffer.linesize from 4 to 8.

  898. 

  899.   This change breaks libavfilter ABI.

  900. 

  901. 2010-07-29 - e7bd48a - lavcore 0.2.0 - imgutils.h

  902.   Add functions av_fill_image_linesizes() and

  903.   av_fill_image_pointers(), declared in libavcore/imgutils.h.

  904. 

  905. 2010-07-27 - 126b638 - lavcore 0.1.0 - parseutils.h

  906.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

  907.   defined in libavcodec in favor of the newly added functions

  908.   av_parse_video_size() and av_parse_video_rate() declared in

  909.   libavcore/parseutils.h.

  910. 

  911. 2010-07-23 - 4485247 - lavu 50.23.0 - mathematics.h

  912.   Add the M_PHI constant definition.

  913. 

  914. 2010-07-22 - bdab614 - lavfi 1.26.0 - media format generalization

  915.   Add a type field to AVFilterLink.

  916. 

  917.   Change the field types:

  918.   enum PixelFormat format   -> int format   in AVFilterBuffer

  919.   enum PixelFormat *formats -> int *formats in AVFilterFormats

  920.   enum PixelFormat *format  -> int format   in AVFilterLink

  921. 

  922.   Change the function signatures:

  923.   AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->

  924.   AVFilterFormats *avfilter_make_format_list(const int *fmts);

  925. 

  926.   int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->

  927.   int avfilter_add_format    (AVFilterFormats **avff, int fmt);

  928. 

  929.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  930.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  931. 

  932.   This change breaks libavfilter API/ABI.

  933. 

  934. 2010-07-21 - aac6ca6 - lavcore 0.0.0

  935.   Add libavcore.

  936. 

  937. 2010-07-17 - b5c582f - lavfi 1.25.0 - AVFilterBuffer

  938.   Remove w and h fields from AVFilterBuffer.

  939. 

  940. 2010-07-17 - f0d77b2 - lavfi 1.24.0 - AVFilterBuffer

  941.   Rename AVFilterPic to AVFilterBuffer.

  942. 

  943. 2010-07-17 - 57fe80f - lavf 52.74.0 - url_fskip()

  944.   Make url_fskip() return an int error code instead of void.

  945. 

  946. 2010-07-11 - 23940f1 - lavc 52.83.0

  947.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  948.   Add AVLPCType enum.

  949.   Deprecate AVCodecContext.use_lpc.

  950. 

  951. 2010-07-11 - e1d7c88 - lavc 52.82.0 - avsubtitle_free()

  952.   Add a function for free the contents of a AVSubtitle generated by

  953.   avcodec_decode_subtitle.

  954. 

  955. 2010-07-11 - b91d08f - lavu 50.22.0 - bswap.h and intreadwrite.h

  956.   Make the bswap.h and intreadwrite.h API public.

  957. 

  958. 2010-07-08 - ce1cd1c - lavu 50.21.0 - pixdesc.h

  959.   Rename read/write_line() to av_read/write_image_line().

  960. 

  961. 2010-07-07 - 4d508e4 - lavfi 1.21.0 - avfilter_copy_picref_props()

  962.   Add avfilter_copy_picref_props().

  963. 

  964. 2010-07-03 - 2d525ef - lavc 52.79.0

  965.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  966.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  967. 

  968. 2010-07-02 - 89eec74 - lavu 50.20.0 - lfg.h

  969.   Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through

  970.   lfg.h.

  971. 

  972. 2010-06-28 - a52e2c3 - lavfi 1.20.1 - av_parse_color()

  973.   Extend av_parse_color() syntax, make it accept an alpha value specifier and

  974.   set the alpha value to 255 by default.

  975. 

  976. 2010-06-22 - 735cf6b - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  977.   Add priv_data_size and priv_data_class to URLProtocol.

  978. 

  979. 2010-06-22 - ffbb289 - lavf 52.70.0 - url_alloc(), url_connect()

  980.   Add url_alloc() and url_connect().

  981. 

  982. 2010-06-22 - 9b07a2d - lavf 52.69.0 - av_register_protocol2()

  983.   Add av_register_protocol2(), deprecating av_register_protocol().

  984. 

  985. 2010-06-09 - 65db058 - lavu 50.19.0 - av_compare_mod()

  986.   Add av_compare_mod() to libavutil/mathematics.h.

  987. 

  988. 2010-06-05 - 0b99215 - lavu 50.18.0 - eval API

  989.   Make the eval API public.

  990. 

  991. 2010-06-04 - 31878fc - lavu 50.17.0 - AV_BASE64_SIZE

  992.   Add AV_BASE64_SIZE() macro.

  993. 

  994. 2010-06-02 - 7e566bb - lavc 52.73.0 - av_get_codec_tag_string()

  995.   Add av_get_codec_tag_string().

  996. 

  997. 2010-06-01 - 2b99142 - lsws 0.11.0 - convertPalette API

  998.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  999. 

  1000. 2010-05-26 - 93ebfee - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  1001.   Add CODEC_CAP_EXPERIMENTAL flag.

  1002.   NOTE: this was backported to 0.6

  1003. 

  1004. 2010-05-23 - 9977863 - lavu 50.16.0 - av_get_random_seed()

  1005.   Add av_get_random_seed().

  1006. 

  1007. 2010-05-18 - 796ac23 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

  1008.   Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.

  1009.   NOTE: this was backported to 0.6

  1010. 

  1011. 2010-05-09 - b6bc205 - lavfi 1.20.0 - AVFilterPicRef

  1012.   Add interlaced and top_field_first fields to AVFilterPicRef.

  1013. 

  1014. ------------------------------8<-------------------------------------

  1015.                    0.6 branch was cut here

  1016. ----------------------------->8--------------------------------------

  1017. 

  1018. 2010-05-01 - 8e2ee18 - lavf 52.62.0 - probe function

  1019.   Add av_probe_input_format2 to API, it allows ignoring probe

  1020.   results below given score and returns the actual probe score.

  1021. 

  1022. 2010-04-01 - 3dd6180 - lavf 52.61.0 - metadata API

  1023.   Add a flag for av_metadata_set2() to disable overwriting of

  1024.   existing tags.

  1025. 

  1026. 2010-04-01 - 0fb49b5 - lavc 52.66.0

  1027.   Add avcodec_get_edge_width().

  1028. 

  1029. 2010-03-31 - d103218 - lavc 52.65.0

  1030.   Add avcodec_copy_context().

  1031. 

  1032. 2010-03-31 - 1a70d12 - lavf 52.60.0 - av_match_ext()

  1033.   Make av_match_ext() public.

  1034. 

  1035. 2010-03-31 - 1149150 - lavu 50.14.0 - AVMediaType

  1036.   Move AVMediaType enum from libavcodec to libavutil.

  1037. 

  1038. 2010-03-31 - 72415b2 - lavc 52.64.0 - AVMediaType

  1039.   Define AVMediaType enum, and use it instead of enum CodecType, which

  1040.   is deprecated and will be dropped at the next major bump.

  1041. 

  1042. 2010-03-25 - 8795823 - lavu 50.13.0 - av_strerror()

  1043.   Implement av_strerror().

  1044. 

  1045. 2010-03-23 - e1484eb - lavc 52.60.0 - av_dct_init()

  1046.   Support DCT-I and DST-I.

  1047. 

  1048. 2010-03-15 - b8819c8 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  1049.   Add AVFormatContext.start_time_realtime field.

  1050. 

  1051. 2010-03-13 - 5bb5c1d - lavfi 1.18.0 - AVFilterPicRef.pos

  1052.   Add AVFilterPicRef.pos field.

  1053. 

  1054. 2010-03-13 - 60c144f - lavu 50.12.0 - error.h

  1055.   Move error code definitions from libavcodec/avcodec.h to

  1056.   the new public header libavutil/error.h.

  1057. 

  1058. 2010-03-07 - c709483 - lavc 52.56.0 - avfft.h

  1059.   Add public FFT interface.

  1060. 

  1061. 2010-03-06 - ac6ef86 - lavu 50.11.0 - av_stristr()

  1062.   Add av_stristr().

  1063. 

  1064. 2010-03-03 - 4b83fc0 - lavu 50.10.0 - av_tree_enumerate()

  1065.   Add av_tree_enumerate().

  1066. 

  1067. 2010-02-07 - b687c1a - lavu 50.9.0 - av_compare_ts()

  1068.   Add av_compare_ts().

  1069. 

  1070. 2010-02-05 - 3f3dc76 - lsws 0.10.0 - sws_getCoefficients()

  1071.   Add sws_getCoefficients().

  1072. 

  1073. 2010-02-01 - ca76a11 - lavf 52.50.0 - metadata API

  1074.   Add a list of generic tag names, change 'author' -> 'artist',

  1075.   'year' -> 'date'.

  1076. 

  1077. 2010-01-30 - 80a07f6 - lavu 50.8.0 - av_get_pix_fmt()

  1078.   Add av_get_pix_fmt().

  1079. 

  1080. 2010-01-21 - 01cc47d - lsws 0.9.0 - sws_scale()

  1081.   Change constness attributes of sws_scale() parameters.

  1082. 

  1083. 2010-01-10 - 3fb8e77 - lavfi 1.15.0 - avfilter_graph_config_links()

  1084.   Add a log_ctx parameter to avfilter_graph_config_links().

  1085. 

  1086. 2010-01-07 - 8e9767f - lsws 0.8.0 - sws_isSupported{In,Out}put()

  1087.   Add sws_isSupportedInput() and sws_isSupportedOutput() functions.

  1088. 

  1089. 2010-01-06 - c1d662f - lavfi 1.14.0 - avfilter_add_colorspace()

  1090.   Change the avfilter_add_colorspace() signature, make it accept an

  1091.   (AVFilterFormats **) rather than an (AVFilterFormats *) as before.

  1092. 

  1093. 2010-01-03 - 4fd1f18 - lavfi 1.13.0 - avfilter_add_colorspace()

  1094.   Add avfilter_add_colorspace().

  1095. 

  1096. 2010-01-02 - 8eb631f - lavf 52.46.0 - av_match_ext()

  1097.   Add av_match_ext(), it should be used in place of match_ext().

  1098. 

  1099. 2010-01-01 - a1f547b - lavf 52.45.0 - av_guess_format()

  1100.   Add av_guess_format(), it should be used in place of guess_format().

  1101. 

  1102. 2009-12-13 - a181981 - lavf 52.43.0 - metadata API

  1103.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  1104.   AV_METADATA_DONT_STRDUP_VAL.

  1105. 

  1106. 2009-12-13 - 277c733 - lavu 50.7.0 - avstring.h API

  1107.   Add av_d2str().

  1108. 

  1109. 2009-12-13 - 02b398e - lavc 52.42.0 - AVStream

  1110.   Add avg_frame_rate.

  1111. 

  1112. 2009-12-12 - 3ba69a1 - lavu 50.6.0 - av_bmg_next()

  1113.   Introduce the av_bmg_next() function.

  1114. 

  1115. 2009-12-05 - a13a543 - lavfi 1.12.0 - avfilter_draw_slice()

  1116.   Add a slice_dir parameter to avfilter_draw_slice().

  1117. 

  1118. 2009-11-26 - 4cc3f6a - lavfi 1.11.0 - AVFilter

  1119.   Remove the next field from AVFilter, this is not anymore required.

  1120. 

  1121. 2009-11-25 - 1433c4a - lavfi 1.10.0 - avfilter_next()

  1122.   Introduce the avfilter_next() function.

  1123. 

  1124. 2009-11-25 - 86a60fa - lavfi 1.9.0 - avfilter_register()

  1125.   Change the signature of avfilter_register() to make it return an

  1126.   int. This is required since now the registration operation may fail.

  1127. 

  1128. 2009-11-25 - 74a0059 - lavu 50.5.0 - pixdesc.h API

  1129.   Make the pixdesc.h API public.

  1130. 

  1131. 2009-10-27 - 243110f - lavfi 1.5.0 - AVFilter.next

  1132.   Add a next field to AVFilter, this is used for simplifying the

  1133.   registration and management of the registered filters.

  1134. 

  1135. 2009-10-23 - cccd292 - lavfi 1.4.1 - AVFilter.description

  1136.   Add a description field to AVFilter.

  1137. 

  1138. 2009-10-19 - 6b5dc05 - lavfi 1.3.0 - avfilter_make_format_list()

  1139.   Change the interface of avfilter_make_format_list() from

  1140.   avfilter_make_format_list(int n, ...) to

  1141.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  1142. 

  1143. 2009-10-18 - 0eb4ff9 - lavfi 1.0.0 - avfilter_get_video_buffer()

  1144.   Make avfilter_get_video_buffer() recursive and add the w and h

  1145.   parameters to it.

  1146. 

  1147. 2009-10-07 - 46c40e4 - lavfi 0.5.1 - AVFilterPic

  1148.   Add w and h fields to AVFilterPic.

  1149. 

  1150. 2009-06-22 - 92400be - lavf 52.34.1 - AVFormatContext.packet_size

  1151.   This is now an unsigned int instead of a signed int.

  1152. 

  1153. 2009-06-19 - a4276ba - lavc 52.32.0 - AVSubtitle.pts

  1154.   Add a pts field to AVSubtitle which gives the subtitle packet pts

  1155.   in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will

  1156.   not work right without this.

  1157. 

  1158. 2009-06-03 - 8f3f2e0 - lavc 52.30.2 - AV_PKT_FLAG_KEY

  1159.   PKT_FLAG_KEY has been deprecated and will be dropped at the next

  1160.   major version. Use AV_PKT_FLAG_KEY instead.

  1161. 

  1162. 2009-06-01 - f988ce6 - lavc 52.30.0 - av_lockmgr_register()

  1163.   av_lockmgr_register() can be used to register a callback function

  1164.   that lavc (and in the future, libraries that depend on lavc) can use

  1165.   to implement mutexes. The application should provide a callback function

  1166.   that implements the AV_LOCK_* operations described in avcodec.h.

  1167.   When the lock manager is registered, FFmpeg is guaranteed to behave

  1168.   correctly in a multi-threaded application.

  1169. 

  1170. 2009-04-30 - ce1d9c8 - lavc 52.28.0 - av_free_packet()

  1171.   av_free_packet() is no longer an inline function. It is now exported.

  1172. 

  1173. 2009-04-11 - 80d403f - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

  1174.   Please use NULL instead. This has been supported since r16506

  1175.   (lavf > 52.23.1, lavc > 52.10.0).

  1176. 

  1177. 2009-04-07 - 7a00bba - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

  1178.   The old decoding functions are deprecated, all new code should use the

  1179.   new functions avcodec_decode_video2(), avcodec_decode_audio3() and

  1180.   avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt

  1181.   argument instead of a const uint8_t *buf / int buf_size pair.

  1182. 

  1183. 2009-04-03 - 7b09db3 - lavu 50.3.0 - av_fifo_space()

  1184.   Introduce the av_fifo_space() function.

  1185. 

  1186. 2009-04-02 - fabd246 - lavc 52.23.0 - AVPacket

  1187.   Move AVPacket declaration from libavformat/avformat.h to

  1188.   libavcodec/avcodec.h.

  1189. 

  1190. 2009-03-22 - 6e08ca9 - lavu 50.2.0 - RGB32 pixel formats

  1191.   Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,

  1192.   PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.

  1193.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  1194.   PIX_FMT_BGR32_1 are now macros.

  1195.   avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.

  1196.   Re-sort the enum PixelFormat list accordingly.

  1197.   This change breaks API/ABI backward compatibility.

  1198. 

  1199. 2009-03-22 - f82674e - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  1200.   Add the enum PixelFormat values:

  1201.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  1202.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  1203. 

  1204. 2009-03-21 - ee6624e - lavu 50.0.0  - av_random*

  1205.   The Mersenne Twister PRNG implemented through the av_random* functions

  1206.   was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions

  1207.   instead.

  1208. 

  1209. 2009-03-08 - 41dd680 - lavu 50.0.0  - AVFifoBuffer

  1210.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  1211.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  1212.   and av_fifo_realloc2.

  1213.   In addition, the order of the function arguments of av_fifo_generic_read

  1214.   was changed to match av_fifo_generic_write.

  1215.   The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by

  1216.   applications, they may not use sizeof() or directly access members.

  1217. 

  1218. 2009-03-01 - ec26457 - lavf 52.31.0 - Generic metadata API

  1219.   Introduce a new metadata API (see av_metadata_get() and friends).

  1220.   The old API is now deprecated and should not be used anymore. This especially

  1221.   includes the following structure fields:

  1222.     - AVFormatContext.title

  1223.     - AVFormatContext.author

  1224.     - AVFormatContext.copyright

  1225.     - AVFormatContext.comment

  1226.     - AVFormatContext.album

  1227.     - AVFormatContext.year

  1228.     - AVFormatContext.track

  1229.     - AVFormatContext.genre

  1230.     - AVStream.language

  1231.     - AVStream.filename

  1232.     - AVProgram.provider_name

  1233.     - AVProgram.name

  1234.     - AVChapter.title