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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:  2011-04-18

  6. libavdevice: 2011-04-18

  7. libavfilter: 2011-04-18

  8. libavformat: 2011-04-18

  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. 2011-xx-xx - xxxxxxx - lavc 53.21.0

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

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

  19.   - fields moved:

  20.       AVCodecContext.internal_buffer       --> AVCodecInternal.buffer

  21.       AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count

  22.       AVCodecContext.is_copy               --> AVCodecInternal.is_copy

  23. 

  24. 2011-11-13 - lavf 53.15.0

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

  26.   interrupt callbacks.

  27.   6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to

  28.           AVFormatContext.

  29.   1dee0ac Add avio_open2() with additional parameters. Those are

  30.           an interrupt callback and an options AVDictionary.

  31.           This will allow passing AVOptions to protocols after lavf

  32.           54.0.

  33. 

  34. 2011-11-xx - xxxxxxx - lavu 51.16.0

  35.   Add av_timegm()

  36. 

  37. 2011-11-06 - ba04ecf - lavu 51.14.0

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

  39. 

  40. 2011-11-06 - 07b172f - lavu 51.13.0

  41.   Add av_toupper()/av_tolower()

  42. 

  43. 2011-11-05 - b6d08f4 - lavf 53.13.0

  44.   Add avformat_network_init()/avformat_network_uninit()

  45. 

  46. 2011-10-27 - 512557b - lavc 53.15.0

  47.   Remove avcodec_parse_frame.

  48.   Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.

  49. 

  50. 2011-10-19 - 569129a - lavf 53.10.0

  51.   Add avformat_new_stream(). Deprecate av_new_stream().

  52. 

  53. 2011-10-13 - b631fba - lavf 53.9.0

  54.   Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.

  55. 

  56. 2011-10-12 - lavu 51.12.0

  57.   AVOptions API rewrite.

  58. 

  59.   - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*

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

  61.         dac66da av_set_string3 -> av_opt_set

  62.                 av_set_double  -> av_opt_set_double

  63.                 av_set_q       -> av_opt_set_q

  64.                 av_set_int     -> av_opt_set_int

  65. 

  66.         41d9d51 av_get_string  -> av_opt_get

  67.                 av_get_double  -> av_opt_get_double

  68.                 av_get_q       -> av_opt_get_q

  69.                 av_get_int     -> av_opt_get_int

  70. 

  71.   - 8c5dcaa trivial rename av_next_option -> av_opt_next

  72.   - 641c7af new functions - av_opt_child_next, av_opt_child_class_next

  73.     and av_opt_find2()

  74. 

  75. 2011-09-03 - fb4ca26 - lavc 53.10.0

  76.                        lavf 53.6.0

  77.                        lsws  2.1.0

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

  79. 

  80. 2011-09-03 - c11fb82 - lavu 51.10.0

  81.   Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.

  82. 

  83. 2011-08-26 - f2011ed - lavu 51.9.0

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

  85. 

  86. 2011-08-16 - 48f9e45 - lavf 53.4.0

  87.   Add avformat_query_codec().

  88. 

  89. 2011-08-16 - bca06e7 - lavc 53.8.0

  90.   Add avcodec_get_type().

  91. 

  92. 2011-08-06 - 2f63440 - lavf 53.4.0

  93.   Add error_recognition to AVFormatContext.

  94. 

  95. 2011-08-02 - 9d39cbf - lavc 53.7.1

  96.   Add AV_PKT_FLAG_CORRUPT AVPacket flag.

  97. 

  98. 2011-07-10 - a67c061 - lavf 53.3.0

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

  100. 

  101. 2011-07-10 - 0b950fe - lavc 53.6.0

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

  103. 

  104. 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h

  105.   Add av_printf_format().

  106. 

  107. 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h

  108.   Add avformat_open_input and avformat_write_header().

  109.   Deprecate av_open_input_stream, av_open_input_file,

  110.   AVFormatParameters and av_write_header.

  111. 

  112. 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h

  113.   Add av_opt_set_dict() and av_opt_find().

  114.   Deprecate av_find_opt().

  115.   Add AV_DICT_APPEND flag.

  116. 

  117. 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h

  118.   Add av_opt_flag_is_set().

  119. 

  120. 2011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata

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

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

  123.   All av_metadata_* functions renamed to av_dict_*.

  124. 

  125. 2011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()

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

  127.   Deprecate av_get_bits_per_sample_fmt().

  128. 

  129. 2011-06-05 - b39b062 - lavu 51.3.0 - opt.h

  130.   Add av_opt_free convenience function.

  131. 

  132. 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h

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

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

  135. 

  136. 2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h

  137.   Add fps_probe_size to AVFormatContext.

  138. 

  139. 2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt

  140.   Add request_sample_fmt field to AVCodecContext.

  141. 

  142. 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h

  143.   Deprecate AVLPCType and the following fields in

  144.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  145.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  146.   Corresponding FLAC encoder options should be used instead.

  147. 

  148. 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h

  149.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  151.   libavcodec/avcodec.h.

  152. 

  153. 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h

  154.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  155. 

  156. 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  157.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  158. 

  159. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  160.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  161. 

  162. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  164.     4de339e introduce side information for AVPacket

  165.     2d8591c make containers pass palette change in AVPacket

  166. 

  167. 2011-04-12 - lavf 52.107.0 - avio.h

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

  169.     175389c add avio_check as a replacement for url_exist

  170.     ff1ec0c add avio_pause and avio_seek_time as replacements

  171.             for _av_url_read_fseek/fpause

  172.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  173.             should be used instead.

  174.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  176.     f8270bb add avio_enum_protocols.

  177.     5593f03 deprecate URLProtocol.

  178.     c486dad deprecate URLContext.

  179.     026e175 deprecate the typedef for URLInterruptCB

  180.     8e76a19 deprecate av_register_protocol2.

  181.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  182.     1305d93 deprecate av_url_read_seek

  183.     fa104e1 deprecate av_url_read_pause

  184.     727c7aa deprecate url_get_filename().

  185.     5958df3 deprecate url_max_packet_size().

  186.     1869ea0 deprecate url_get_file_handle().

  187.     32a97d4 deprecate url_filesize().

  188.     e52a914 deprecate url_close().

  189.     58a48c6 deprecate url_seek().

  190.     925e908 deprecate url_write().

  191.     dce3756 deprecate url_read_complete().

  192.     bc371ac deprecate url_read().

  193.     0589da0 deprecate url_open().

  194.     62eaaea deprecate url_connect.

  195.     5652bb9 deprecate url_alloc.

  196.     333e894 deprecate url_open_protocol

  197.     e230705 deprecate url_poll and URLPollEntry

  198. 

  199. 2011-04-10 - lavu  50.40.0 - pixfmt.h

  200.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  201. 

  202. 2011-04-08 - lavf 52.106.0 - avformat.h

  203.   Minor avformat.h cleanup:

  204.     a9bf9d8 deprecate av_guess_image2_codec

  205.     c3675df rename avf_sdp_create->av_sdp_create

  206. 

  207. 2011-04-03 - lavf 52.105.0 - avio.h

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

  209.     724f6a0 deprecate url_fdopen

  210.     403ee83 deprecate url_open_dyn_packet_buf

  211.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  212.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  213.     8978fed introduce an AVIOContext.seekable field as a replacement for

  214.             AVIOContext.is_streamed and url_is_streamed()

  215.     b64030f deprecate get_checksum()

  216.     4c4427a deprecate init_checksum()

  217.     4ec153b deprecate udp_set_remote_url/get_local_port

  218.     933e90a deprecate av_url_read_fseek/fpause

  219.     8d9769a deprecate url_fileno

  220.     b7f2fdd rename put_flush_packet -> avio_flush

  221.     35f1023 deprecate url_close_buf

  222.     83fddae deprecate url_open_buf

  223.     d9d86e0 rename url_fprintf -> avio_printf

  224.     59f65d9 deprecate url_setbufsize

  225.     3e68b3b deprecate url_ferror

  226.     66e5b1d deprecate url_feof

  227.     e8bb2e2 deprecate url_fget_max_packet_size

  228.     76aa876 rename url_fsize -> avio_size

  229.     e519753 deprecate url_fgetc

  230.     655e45e deprecate url_fgets

  231.     a2704c9 rename url_ftell -> avio_tell

  232.     e16ead0 deprecate get_strz() in favor of avio_get_str

  233.     0300db8,2af07d3 rename url_fskip -> avio_skip

  234.     6b4aa5d rename url_fseek -> avio_seek

  235.     61840b4 deprecate put_tag

  236.     22a3212 rename url_fopen/fclose -> avio_open/close.

  237.     0ac8e2b deprecate put_nbyte

  238.     77eb550 rename put_byte          -> avio_w8

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

  240.                    put_buffer        -> avio_write

  241.     b7effd4 rename get_byte          -> avio_r8,

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

  243.                    get_buffer        -> avio_read

  244.     b3db9ce deprecate get_partial_buffer

  245.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  246. 

  247. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  248.   Add audio_service_type field to AVCodecContext.

  249. 

  250. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  251.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  252.   source stream timebase for outputting timestamps. Deprecate

  253.   av_pkt_dump and av_pkt_dump_log.

  254. 

  255. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  259.   * ae628ec - rename ByteIOContext to AVIOContext.

  260. 

  261. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  262.                        lavu  52.39.0  - parseutils.h

  263.   * 610219a - Add av_ prefix to dump_format().

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

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

  266. 

  267. 2011-02-15 - lavu 52.38.0 - merge libavcore

  268.   libavcore is merged back completely into libavutil

  269. 

  270. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  271.   Add vbv_delay field to AVCodecContext

  272. 

  273. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  274.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  275. 

  276. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  277.   Add sample_aspect_ratio field to AVFilterLink.

  278. 

  279. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  280.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  281. 

  282. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

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

  284.   set thread_count before calling avcodec_open.

  285. 

  286. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

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

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

  289.   Add thread_type and active_thread_type fields to AVCodecContext.

  290. 

  291. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  293.   ByteIOContext.

  294. 

  295. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  296.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  297. 

  298. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  299.   Add avformat_free_context() in avformat.h.

  300. 

  301. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  302.   Add CODEC_ID_PRORES to avcodec.h.

  303. 

  304. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

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

  306. 

  307. 2011-02-02 - lavf 52.95.0

  308.   * 50196a9 - add a new installed header version.h.

  309.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  311.     {put,get}_str*.

  312. 

  313. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  314.   Make av_dlog public.

  315. 

  316. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  317.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  318. 

  319. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  320.   Add av_metadata_copy() in avformat.h.

  321. 

  322. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  323.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  324. 

  325. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  327.   to not mess up dts.

  328. 

  329. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  330.   Add pkt_pts to AVFrame.

  331. 

  332. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  333.   Add av_get_profile_name to libavcodec/avcodec.h.

  334. 

  335. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  336.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  337. 

  338. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  339.   Add av_find_best_stream to libavformat/avformat.h.

  340. 

  341. 2010-12-27 - r26103 - lavf 52.90.0

  342.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  343.   like e.g. text metadata.

  344. 

  345. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  347. 

  348. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  349.   Add "not found" error codes:

  350.   AVERROR_DEMUXER_NOT_FOUND

  351.   AVERROR_MUXER_NOT_FOUND

  352.   AVERROR_DECODER_NOT_FOUND

  353.   AVERROR_ENCODER_NOT_FOUND

  354.   AVERROR_PROTOCOL_NOT_FOUND

  355.   AVERROR_FILTER_NOT_FOUND

  356.   AVERROR_BSF_NOT_FOUND

  357.   AVERROR_STREAM_NOT_FOUND

  358. 

  359. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  360.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  361.   avcodec.h to avcore.h.

  362. 

  363. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  365. 

  366. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  367.   Deprecate avcodec_pix_fmt_string() in favor of

  368.   pixdesc.h/av_get_pix_fmt_string().

  369. 

  370. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  372. 

  373. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  375. 

  376. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  377.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  378.   avfilter.h.

  379. 

  380. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  382.   corresponding functions in libavcodec:

  383.   avcodec_get_channel_name()

  384.   avcodec_get_channel_layout()

  385.   avcodec_get_channel_layout_string()

  386.   avcodec_channel_layout_num_channels()

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

  388. 

  389. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  390.   Add av_append_packet().

  391. 

  392. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  393.   Add av_grow_packet().

  394. 

  395. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  397. 

  398. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  399.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  400.   fields.

  401. 

  402. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  403.   Make avfiltergraph.h public.

  404. 

  405. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  407.   avfilter_graph_check_validity()

  408.   avfilter_graph_config_links()

  409.   avfilter_graph_config_formats()

  410.   which are now internal.

  411.   Use avfilter_graph_config() instead.

  412. 

  413. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  414.   Deprecate functions:

  415.   av_parse_and_eval_expr(),

  416.   av_parse_expr(),

  417.   av_eval_expr(),

  418.   av_free_expr(),

  419.   in favor of the functions:

  420.   av_expr_parse_and_eval(),

  421.   av_expr_parse(),

  422.   av_expr_eval(),

  423.   av_expr_free().

  424. 

  425. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  426.   Rename avfilter_destroy() to avfilter_free().

  427.   This change breaks libavfilter API/ABI.

  428. 

  429. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  430.   Remove graphparser.h header, move AVFilterInOut and

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

  432. 

  433. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  434.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  435.   This change breaks libavfilter API.

  436. 

  437. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  438.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  439.   This change breaks libavfilter API/ABI.

  440. 

  441. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  443. 

  444. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  446.   deprecate av_get_bits_per_sample_format().

  447. 

  448. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  450.   av_get_sample_fmt_name(),

  451.   av_get_sample_fmt(),

  452.   av_get_sample_fmt_string(),

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

  454.   avcodec_get_sample_fmt_name(),

  455.   avcodec_get_sample_fmt(),

  456.   avcodec_sample_fmt_string().

  457. 

  458. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  460.   SampleFormat.

  461. 

  462. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  464. 

  465. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  466.   Change demuxers to export metadata in generic format and

  467.   muxers to accept generic format. Deprecate the public

  468.   conversion API.

  469. 

  470. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  471.   Add time_base field to AVFilterLink.

  472. 

  473. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  475.   libavutil/opt.h.

  476. 

  477. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  480. 

  481. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  483.   libavutil/avstring.h.

  484. 

  485. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  487. 

  488. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  490. 

  491. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  494.   enabling it for your app!.

  495. 

  496. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  498. 

  499. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  501. 

  502. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  503.   Add av_get_cpu_flags().

  504. 

  505. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  506.   Add av_image_copy().

  507. 

  508. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  509.   Add av_image_copy_plane().

  510. 

  511. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  513.   deprecate the old names.

  514. 

  515. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  518. 

  519. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  520.   Add avcodec_get_channel_layout() in audioconvert.h.

  521. 

  522. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  523.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  524. 

  525. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  526.   Add av_fill_image_max_pixstep() in imgutils.h.

  527. 

  528. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  529.   Add the AV_NE macro.

  530. 

  531. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  532.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  534. 

  535. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  536.   Add av_get_image_linesize() in imgutils.h.

  537. 

  538. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  540. 

  541.   This change breaks libavfilter API/ABI.

  542. 

  543. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  544.   Add av_picture_data_copy in avcodec.h.

  545. 

  546. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  547.   Change avfilter_open() signature:

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

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

  550. 

  551.   This change breaks libavfilter API/ABI.

  552. 

  553. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  555.   properties to AVFilterBufferRefVideoProps.

  556. 

  557.   This change breaks libavfilter API/ABI.

  558. 

  559. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  560.   Rename AVFilterLink fields:

  561.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  562.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  563.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  564. 

  565. 2010-08-07 - r24731 - lavfi 1.30.0

  566.   Rename functions and fields:

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

  568.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  569.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  570. 

  571. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  572.   Rename AVFilterPicRef to AVFilterBufferRef.

  573. 

  574. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  575.   Move format field from AVFilterBuffer to AVFilterPicRef.

  576. 

  577. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  578.   Deprecate avcodec_check_dimensions() in favor of the function

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

  580. 

  581. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  582.   Increase size of the arrays AVFilterBuffer.data and

  583.   AVFilterBuffer.linesize from 4 to 8.

  584. 

  585.   This change breaks libavfilter ABI.

  586. 

  587. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  588.   Add functions av_fill_image_linesizes() and

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

  590. 

  591. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  592.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  594.   av_parse_video_size() and av_parse_video_rate() declared in

  595.   libavcore/parseutils.h.

  596. 

  597. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  598.   Add the M_PHI constant definition.

  599. 

  600. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  601.   Add a type field to AVFilterLink.

  602. 

  603.   Change the field types:

  604.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  607. 

  608.   Change the function signatures:

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

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

  611. 

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

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

  614. 

  615.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  616.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  617. 

  618.   This change breaks libavfilter API/ABI.

  619. 

  620. 2010-07-21 - r24393 - lavcore 0.0.0

  621.   Add libavcore.

  622. 

  623. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  624.   Remove w and h fields from AVFilterBuffer.

  625. 

  626. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  627.   Rename AVFilterPic to AVFilterBuffer.

  628. 

  629. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  631. 

  632. 2010-07-11 - r24199 - lavc 52.83.0

  633.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  634.   Add AVLPCType enum.

  635.   Deprecate AVCodecContext.use_lpc.

  636. 

  637. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  639.   avcodec_decode_subtitle.

  640. 

  641. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  643. 

  644. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  646. 

  647. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  648.   Add avfilter_copy_picref_props().

  649. 

  650. 2010-07-03 - r24021 - lavc 52.79.0

  651.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  652.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  653. 

  654. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  656.   lfg.h.

  657. 

  658. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  660.   set the alpha value to 255 by default.

  661. 

  662. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  663.   Add priv_data_size and priv_data_class to URLProtocol.

  664. 

  665. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  666.   Add url_alloc() and url_connect().

  667. 

  668. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  670. 

  671. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  673. 

  674. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  675.   Make the eval API public.

  676. 

  677. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  678.   Add AV_BASE64_SIZE() macro.

  679. 

  680. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  681.   Add av_get_codec_tag_string().

  682. 

  683. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  684.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  685. 

  686. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  687.   Add CODEC_CAP_EXPERIMENTAL flag.

  688.   NOTE: this was backported to 0.6

  689. 

  690. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  691.   Add av_get_random_seed().

  692. 

  693. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  695.   NOTE: this was backported to 0.6

  696. 

  697. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  698.   Add interlaced and top_field_first fields to AVFilterPicRef.

  699. 

  700. ------------------------------8<-------------------------------------

  701.                    0.6 branch was cut here

  702. ----------------------------->8--------------------------------------

  703. 

  704. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  705.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  707. 

  708. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  710.   existing tags.

  711. 

  712. 2010-04-01 - r22753 - lavc 52.66.0

  713.   Add avcodec_get_edge_width().

  714. 

  715. 2010-03-31 - r22750 - lavc 52.65.0

  716.   Add avcodec_copy_context().

  717. 

  718. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  719.   Make av_match_ext() public.

  720. 

  721. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  722.   Move AVMediaType enum from libavcodec to libavutil.

  723. 

  724. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  727. 

  728. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  729.   Implement av_strerror().

  730. 

  731. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  732.   Support DCT-I and DST-I.

  733. 

  734. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  735.   Add AVFormatContext.start_time_realtime field.

  736. 

  737. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  738.   Add AVFilterPicRef.pos field.

  739. 

  740. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  743. 

  744. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  745.   Add public FFT interface.

  746. 

  747. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  748.   Add av_stristr().

  749. 

  750. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  751.   Add av_tree_enumerate().

  752. 

  753. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  754.   Add av_compare_ts().

  755. 

  756. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  757.   Add sws_getCoefficients().

  758. 

  759. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  761.   'year' -> 'date'.

  762. 

  763. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  764.   Add av_get_pix_fmt().

  765. 

  766. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  767.   Change constness attributes of sws_scale() parameters.

  768. 

  769. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  770.   Add a log_ctx parameter to avfilter_graph_config_links().

  771. 

  772. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  774. 

  775. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  778. 

  779. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  780.   Add avfilter_add_colorspace().

  781. 

  782. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  784. 

  785. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  787. 

  788. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  789.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  790.   AV_METADATA_DONT_STRDUP_VAL.

  791. 

  792. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  793.   Add av_d2str().

  794. 

  795. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  796.   Add avg_frame_rate.

  797. 

  798. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  799.   Introduce the av_bmg_next() function.

  800. 

  801. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  802.   Add a slice_dir parameter to avfilter_draw_slice().

  803. 

  804. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  806. 

  807. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  808.   Introduce the avfilter_next() function.

  809. 

  810. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  813. 

  814. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  815.   Make the pixdesc.h API public.

  816. 

  817. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  819.   registration and management of the registered filters.

  820. 

  821. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  822.   Add a description field to AVFilter.

  823. 

  824. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  825.   Change the interface of avfilter_make_format_list() from

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

  827.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  828. 

  829. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  831.   parameters to it.

  832. 

  833. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  834.   Add w and h fields to AVFilterPic.

  835. 

  836. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  838. 

  839. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  842.   not work right without this.

  843. 

  844. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  846.   major version. Use AV_PKT_FLAG_KEY instead.

  847. 

  848. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  854.   correctly in a multi-threaded application.

  855. 

  856. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  858. 

  859. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  862. 

  863. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  868. 

  869. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  870.   Introduce the av_fifo_space() function.

  871. 

  872. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  874.   libavcodec/avcodec.h.

  875. 

  876. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  879.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  880.   PIX_FMT_BGR32_1 are now macros.

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

  882.   Re-sort the enum PixelFormat list accordingly.

  883.   This change breaks API/ABI backward compatibility.

  884. 

  885. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  886.   Add the enum PixelFormat values:

  887.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  888.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  889. 

  890. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  893.   instead.

  894. 

  895. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  896.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  897.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  898.   and av_fifo_realloc2.

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

  900.   was changed to match av_fifo_generic_write.

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

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

  903. 

  904. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  907.   includes the following structure fields:

  908.     - AVFormatContext.title

  909.     - AVFormatContext.author

  910.     - AVFormatContext.copyright

  911.     - AVFormatContext.comment

  912.     - AVFormatContext.album

  913.     - AVFormatContext.year

  914.     - AVFormatContext.track

  915.     - AVFormatContext.genre

  916.     - AVStream.language

  917.     - AVStream.filename

  918.     - AVProgram.provider_name

  919.     - AVProgram.name

  920.     - AVChapter.title