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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. 2011-06-19 - xxxxxxx - lavfi 2.23.0 - avfilter.h

  17.   Add layout negotiation fields and helper functions.

  18. 

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

  20.   and the functions:

  21.   avfilter_set_common_sample_formats()

  22.   avfilter_set_common_channel_layouts()

  23.   avfilter_all_channel_layouts()

  24. 

  25. 2011-06-19 - xxxxxxx - lavfi 2.22.0 - AVFilterFormats

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

  27.   and update formats handling API accordingly.

  28. 

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

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

  31.   takes int64_t arrays has been added.

  32. 

  33. 2011-06-19 - xxxxxxx - lavfi 2.21.0 - vsink_buffer.h

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

  35. 

  36. 2011-06-12 - xxxxxxx - lavfi 2.18.0 - avcodec.h

  37.   Add avfilter_get_video_buffer_ref_from_frame() function in

  38.   libavfilter/avcodec.h.

  39. 

  40. 2011-06-12 - xxxxxxx - lavfi 2.17.0 - avfiltergraph.h

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

  42. 

  43. 2011-06-12 - xxxxxxx - lavfi 2.16.0 - avfilter_graph_parse()

  44.   Change avfilter_graph_parse() signature.

  45. 

  46. 2011-06-xx - xxxxxxx - lavu 51.8.0 - attributes.h

  47.   Add av_printf_format().

  48. 

  49. 2011-06-xx - xxxxxxx - lavf 53.2.0 - avformat.h

  50.   Add avformat_open_input and avformat_write_header().

  51.   Deprecate av_open_input_stream, av_open_input_file,

  52.   AVFormatParameters and av_write_header.

  53. 

  54. 2011-06-xx - xxxxxxx - lavu 51.7.0 - opt.h

  55.   Add av_opt_set_dict() and av_opt_find().

  56.   Deprecate av_find_opt().

  57.   Add AV_DICT_APPEND flag.

  58. 

  59. 2011-06-xx - xxxxxxx - lavu 51.6.0 - opt.h

  60.   Add av_opt_flag_is_set().

  61. 

  62. 2011-06-10 - c381960 - lavfi 2.15.0 - avfilter_get_audio_buffer_ref_from_arrays

  63.   Add avfilter_get_audio_buffer_ref_from_arrays() to avfilter.h.

  64. 

  65. 2011-06-09 - d9f80ea - lavu 51.8.0 - AVMetadata

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

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

  68.   All av_metadata_* functions renamed to av_dict_*.

  69. 

  70. 2011-06-07 - a6703fa - lavu 51.8.0 - av_get_bytes_per_sample()

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

  72.   Deprecate av_get_bits_per_sample_fmt().

  73. 

  74. 2011-06-xx - b39b062 - lavu 51.8.0 - opt.h

  75.   Add av_opt_free convenience function.

  76. 

  77. 2011-06-06 - 95a0242 - lavfi 2.14.0 - AVFilterBufferRefAudioProps

  78.   Remove AVFilterBufferRefAudioProps.size, and use nb_samples in

  79.   avfilter_get_audio_buffer() and avfilter_default_get_audio_buffer() in

  80.   place of size.

  81. 

  82. 2011-06-06 - 0bc2cca - lavu 51.6.0 - av_samples_alloc()

  83.   Switch nb_channels and nb_samples parameters order in

  84.   av_samples_alloc().

  85. 

  86. 2011-06-06 - e1c7414 - lavu 51.5.0 - av_samples_*

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

  88.   av_samples_alloc().

  89. 

  90. 2011-06-06 - 27bcf55 - lavfi 2.13.0 - vsrc_buffer.h

  91.   Make av_vsrc_buffer_add_video_buffer_ref() accepts an additional

  92.   flags parameter in input.

  93. 

  94. 2011-06-03 - e977ca2 - lavfi 2.12.0 - avfilter_link_free()

  95.   Add avfilter_link_free() function.

  96. 

  97. 2011-06-02 - 5ad38d9 - lavu 51.4.0 - av_force_cpu_flags()

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

  99. 

  100. 2011-05-28 - e71f260 - lavu 51.3.0 - pixdesc.h

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

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

  103. 

  104. 2011-05-25 - 30315a8 - lavf 53.3.0 - avformat.h

  105.   Add fps_probe_size to AVFormatContext.

  106. 

  107. 2011-05-22 - 5ecdfd0 - lavf 53.2.0 - avformat.h

  108.   Introduce avformat_alloc_output_context2() and deprecate

  109.   avformat_alloc_output_context().

  110. 

  111. 2011-05-22 - 83db719 - lavfi 2.10.0 - vsrc_buffer.h

  112.   Make libavfilter/vsrc_buffer.h public.

  113. 

  114. 2011-05-19 - c000a9f - lavfi 2.8.0 - avcodec.h

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

  116. 

  117. 2011-05-14 - 9fdf772 - lavfi 2.6.0 - avcodec.h

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

  119. 

  120. 2011-05-18 - 64150ff - lavc 53.7.0 - AVCodecContext.request_sample_fmt

  121.   Add request_sample_fmt field to AVCodecContext.

  122. 

  123. 2011-05-10 - 188dea1 - lavc 53.6.0 - avcodec.h

  124.   Deprecate AVLPCType and the following fields in

  125.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  126.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  127.   Corresponding FLAC encoder options should be used instead.

  128. 

  129. 2011-05-07 - 9fdf772 - lavfi 2.5.0 - avcodec.h

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

  131.   function.

  132. 

  133. 2011-05-07 - 18ded93 - lavc 53.5.0 - AVFrame

  134.   Add format field to AVFrame.

  135. 

  136. 2011-05-07 - 22333a6 - lavc 53.4.0 - AVFrame

  137.   Add width and height fields to AVFrame.

  138. 

  139. 2011-05-01 - 35fe66a - lavfi 2.4.0 - avfilter.h

  140.   Rename AVFilterBufferRefVideoProps.pixel_aspect to

  141.   sample_aspect_ratio.

  142. 

  143. 2011-05-01 - 77e9dee - lavc 53.3.0 - AVFrame

  144.   Add a sample_aspect_ratio field to AVFrame.

  145. 

  146. 2011-05-01 - 1ba5727 - lavc 53.2.0 - AVFrame

  147.   Add a pkt_pos field to AVFrame.

  148. 

  149. 2011-04-29 - 35ceaa7 - lavu 51.2.0 - mem.h

  150.   Add av_dynarray_add function for adding

  151.   an element to a dynamic array.

  152. 

  153. 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h

  154.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  156.   libavcodec/avcodec.h.

  157. 

  158. 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h

  159.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  160. 

  161. 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  162.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  163. 

  164. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  165.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  166. 

  167. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  169.     4de339e introduce side information for AVPacket

  170.     2d8591c make containers pass palette change in AVPacket

  171. 

  172. 2011-04-12 - lavf 52.107.0 - avio.h

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

  174.     175389c add avio_check as a replacement for url_exist

  175.     ff1ec0c add avio_pause and avio_seek_time as replacements

  176.             for _av_url_read_fseek/fpause

  177.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  178.             should be used instead.

  179.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  181.     f8270bb add avio_enum_protocols.

  182.     5593f03 deprecate URLProtocol.

  183.     c486dad deprecate URLContext.

  184.     026e175 deprecate the typedef for URLInterruptCB

  185.     8e76a19 deprecate av_register_protocol2.

  186.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  187.     1305d93 deprecate av_url_read_seek

  188.     fa104e1 deprecate av_url_read_pause

  189.     727c7aa deprecate url_get_filename().

  190.     5958df3 deprecate url_max_packet_size().

  191.     1869ea0 deprecate url_get_file_handle().

  192.     32a97d4 deprecate url_filesize().

  193.     e52a914 deprecate url_close().

  194.     58a48c6 deprecate url_seek().

  195.     925e908 deprecate url_write().

  196.     dce3756 deprecate url_read_complete().

  197.     bc371ac deprecate url_read().

  198.     0589da0 deprecate url_open().

  199.     62eaaea deprecate url_connect.

  200.     5652bb9 deprecate url_alloc.

  201.     333e894 deprecate url_open_protocol

  202.     e230705 deprecate url_poll and URLPollEntry

  203. 

  204. 2011-04-08 - lavf 52.106.0 - avformat.h

  205.   Minor avformat.h cleanup:

  206.     a9bf9d8 deprecate av_guess_image2_codec

  207.     c3675df rename avf_sdp_create->av_sdp_create

  208. 

  209. 2011-04-03 - lavf 52.105.0 - avio.h

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

  211.     724f6a0 deprecate url_fdopen

  212.     403ee83 deprecate url_open_dyn_packet_buf

  213.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  214.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  215.     8978fed introduce an AVIOContext.seekable field as a replacement for

  216.             AVIOContext.is_streamed and url_is_streamed()

  217.     b64030f deprecate get_checksum()

  218.     4c4427a deprecate init_checksum()

  219.     4ec153b deprecate udp_set_remote_url/get_local_port

  220.     933e90a deprecate av_url_read_fseek/fpause

  221.     8d9769a deprecate url_fileno

  222.     b7f2fdd rename put_flush_packet -> avio_flush

  223.     35f1023 deprecate url_close_buf

  224.     83fddae deprecate url_open_buf

  225.     d9d86e0 rename url_fprintf -> avio_printf

  226.     59f65d9 deprecate url_setbufsize

  227.     3e68b3b deprecate url_ferror

  228.     66e5b1d deprecate url_feof

  229.     e8bb2e2 deprecate url_fget_max_packet_size

  230.     76aa876 rename url_fsize -> avio_size

  231.     e519753 deprecate url_fgetc

  232.     655e45e deprecate url_fgets

  233.     a2704c9 rename url_ftell -> avio_tell

  234.     e16ead0 deprecate get_strz() in favor of avio_get_str

  235.     0300db8,2af07d3 rename url_fskip -> avio_skip

  236.     6b4aa5d rename url_fseek -> avio_seek

  237.     61840b4 deprecate put_tag

  238.     22a3212 rename url_fopen/fclose -> avio_open/close.

  239.     0ac8e2b deprecate put_nbyte

  240.     77eb550 rename put_byte          -> avio_w8

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

  242.                    put_buffer        -> avio_write

  243.     b7effd4 rename get_byte          -> avio_r8,

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

  245.                    get_buffer        -> avio_read

  246.     b3db9ce deprecate get_partial_buffer

  247.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  248. 

  249. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  250.   Add audio_service_type field to AVCodecContext.

  251. 

  252. 2011-03-17 - e309fdc - lavu 50.40.0 - pixfmt.h

  253.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  254. 

  255. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  256.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  257.   source stream timebase for outputting timestamps. Deprecate

  258.   av_pkt_dump and av_pkt_dump_log.

  259. 

  260. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  264.   * ae628ec - rename ByteIOContext to AVIOContext.

  265. 

  266. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  267.                        lavu  52.39.0  - parseutils.h

  268.   * 610219a - Add av_ prefix to dump_format().

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

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

  271. 

  272. 2011-02-15 - lavu 52.38.0 - merge libavcore

  273.   libavcore is merged back completely into libavutil

  274. 

  275. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  276.   Add vbv_delay field to AVCodecContext

  277. 

  278. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  279.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  280. 

  281. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  282.   Add sample_aspect_ratio field to AVFilterLink.

  283. 

  284. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  285.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  286. 

  287. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

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

  289.   set thread_count before calling avcodec_open.

  290. 

  291. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

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

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

  294.   Add thread_type and active_thread_type fields to AVCodecContext.

  295. 

  296. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  298.   ByteIOContext.

  299. 

  300. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  301.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  302. 

  303. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  304.   Add avformat_free_context() in avformat.h.

  305. 

  306. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  307.   Add CODEC_ID_PRORES to avcodec.h.

  308. 

  309. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

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

  311. 

  312. 2011-02-02 - lavf 52.95.0

  313.   * 50196a9 - add a new installed header version.h.

  314.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  316.     {put,get}_str*.

  317. 

  318. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  319.   Make av_dlog public.

  320. 

  321. 2011-01-31 - 7b3ea55 - lavfi 1.76.0 - vsrc_buffer

  322.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  323. 

  324. 2011-01-31 - 910b5b8 - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio

  325.   Add sample_aspect_ratio field to AVFilterLink.

  326. 

  327. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  328.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  329. 

  330. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  331.   Add av_metadata_copy() in avformat.h.

  332. 

  333. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  334.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  335. 

  336. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  338.   to not mess up dts.

  339. 

  340. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  341.   Add pkt_pts to AVFrame.

  342. 

  343. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  344.   Add av_get_profile_name to libavcodec/avcodec.h.

  345. 

  346. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  347.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  348. 

  349. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  350.   Add av_find_best_stream to libavformat/avformat.h.

  351. 

  352. 2010-12-27 - r26103 - lavf 52.90.0

  353.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  354.   like e.g. text metadata.

  355. 

  356. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  358. 

  359. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  360.   Add "not found" error codes:

  361.   AVERROR_DEMUXER_NOT_FOUND

  362.   AVERROR_MUXER_NOT_FOUND

  363.   AVERROR_DECODER_NOT_FOUND

  364.   AVERROR_ENCODER_NOT_FOUND

  365.   AVERROR_PROTOCOL_NOT_FOUND

  366.   AVERROR_FILTER_NOT_FOUND

  367.   AVERROR_BSF_NOT_FOUND

  368.   AVERROR_STREAM_NOT_FOUND

  369. 

  370. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  371.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  372.   avcodec.h to avcore.h.

  373. 

  374. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  376. 

  377. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  378.   Deprecate avcodec_pix_fmt_string() in favor of

  379.   pixdesc.h/av_get_pix_fmt_string().

  380. 

  381. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  383. 

  384. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  386. 

  387. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  388.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  389.   avfilter.h.

  390. 

  391. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  393.   corresponding functions in libavcodec:

  394.   avcodec_get_channel_name()

  395.   avcodec_get_channel_layout()

  396.   avcodec_get_channel_layout_string()

  397.   avcodec_channel_layout_num_channels()

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

  399. 

  400. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  401.   Add av_append_packet().

  402. 

  403. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  404.   Add av_grow_packet().

  405. 

  406. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  408. 

  409. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  410.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  411.   fields.

  412. 

  413. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  414.   Make avfiltergraph.h public.

  415. 

  416. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  418.   avfilter_graph_check_validity()

  419.   avfilter_graph_config_links()

  420.   avfilter_graph_config_formats()

  421.   which are now internal.

  422.   Use avfilter_graph_config() instead.

  423. 

  424. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  425.   Deprecate functions:

  426.   av_parse_and_eval_expr(),

  427.   av_parse_expr(),

  428.   av_eval_expr(),

  429.   av_free_expr(),

  430.   in favor of the functions:

  431.   av_expr_parse_and_eval(),

  432.   av_expr_parse(),

  433.   av_expr_eval(),

  434.   av_expr_free().

  435. 

  436. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  437.   Rename avfilter_destroy() to avfilter_free().

  438.   This change breaks libavfilter API/ABI.

  439. 

  440. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  441.   Remove graphparser.h header, move AVFilterInOut and

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

  443. 

  444. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  445.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  446.   This change breaks libavfilter API.

  447. 

  448. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  449.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  450.   This change breaks libavfilter API/ABI.

  451. 

  452. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  454. 

  455. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  457.   deprecate av_get_bits_per_sample_format().

  458. 

  459. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  461.   av_get_sample_fmt_name(),

  462.   av_get_sample_fmt(),

  463.   av_get_sample_fmt_string(),

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

  465.   avcodec_get_sample_fmt_name(),

  466.   avcodec_get_sample_fmt(),

  467.   avcodec_sample_fmt_string().

  468. 

  469. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  471.   SampleFormat.

  472. 

  473. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  475. 

  476. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  477.   Change demuxers to export metadata in generic format and

  478.   muxers to accept generic format. Deprecate the public

  479.   conversion API.

  480. 

  481. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  482.   Add time_base field to AVFilterLink.

  483. 

  484. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  486.   libavutil/opt.h.

  487. 

  488. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  491. 

  492. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  494.   libavutil/avstring.h.

  495. 

  496. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  498. 

  499. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  501. 

  502. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  505.   enabling it for your app!.

  506. 

  507. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  509. 

  510. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  512. 

  513. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  514.   Add av_get_cpu_flags().

  515. 

  516. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  517.   Add av_image_copy().

  518. 

  519. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  520.   Add av_image_copy_plane().

  521. 

  522. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  524.   deprecate the old names.

  525. 

  526. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  529. 

  530. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  531.   Add avcodec_get_channel_layout() in audioconvert.h.

  532. 

  533. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  534.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  535. 

  536. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  537.   Add av_fill_image_max_pixstep() in imgutils.h.

  538. 

  539. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  540.   Add the AV_NE macro.

  541. 

  542. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  543.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  545. 

  546. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  547.   Add av_get_image_linesize() in imgutils.h.

  548. 

  549. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  551. 

  552.   This change breaks libavfilter API/ABI.

  553. 

  554. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  555.   Add av_picture_data_copy in avcodec.h.

  556. 

  557. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  558.   Change avfilter_open() signature:

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

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

  561. 

  562.   This change breaks libavfilter API/ABI.

  563. 

  564. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  566.   properties to AVFilterBufferRefVideoProps.

  567. 

  568.   This change breaks libavfilter API/ABI.

  569. 

  570. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  571.   Rename AVFilterLink fields:

  572.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  573.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  574.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  575. 

  576. 2010-08-07 - r24731 - lavfi 1.30.0

  577.   Rename functions and fields:

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

  579.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  580.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  581. 

  582. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  583.   Rename AVFilterPicRef to AVFilterBufferRef.

  584. 

  585. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  586.   Move format field from AVFilterBuffer to AVFilterPicRef.

  587. 

  588. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  589.   Deprecate avcodec_check_dimensions() in favor of the function

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

  591. 

  592. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  593.   Increase size of the arrays AVFilterBuffer.data and

  594.   AVFilterBuffer.linesize from 4 to 8.

  595. 

  596.   This change breaks libavfilter ABI.

  597. 

  598. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  599.   Add functions av_fill_image_linesizes() and

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

  601. 

  602. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  603.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  605.   av_parse_video_size() and av_parse_video_rate() declared in

  606.   libavcore/parseutils.h.

  607. 

  608. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  609.   Add the M_PHI constant definition.

  610. 

  611. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  612.   Add a type field to AVFilterLink.

  613. 

  614.   Change the field types:

  615.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  618. 

  619.   Change the function signatures:

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

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

  622. 

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

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

  625. 

  626.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  627.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  628. 

  629.   This change breaks libavfilter API/ABI.

  630. 

  631. 2010-07-21 - r24393 - lavcore 0.0.0

  632.   Add libavcore.

  633. 

  634. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  635.   Remove w and h fields from AVFilterBuffer.

  636. 

  637. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  638.   Rename AVFilterPic to AVFilterBuffer.

  639. 

  640. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  642. 

  643. 2010-07-11 - r24199 - lavc 52.83.0

  644.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  645.   Add AVLPCType enum.

  646.   Deprecate AVCodecContext.use_lpc.

  647. 

  648. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  650.   avcodec_decode_subtitle.

  651. 

  652. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  654. 

  655. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  657. 

  658. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  659.   Add avfilter_copy_picref_props().

  660. 

  661. 2010-07-03 - r24021 - lavc 52.79.0

  662.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  663.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  664. 

  665. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  667.   lfg.h.

  668. 

  669. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  671.   set the alpha value to 255 by default.

  672. 

  673. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  674.   Add priv_data_size and priv_data_class to URLProtocol.

  675. 

  676. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  677.   Add url_alloc() and url_connect().

  678. 

  679. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  681. 

  682. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  684. 

  685. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  686.   Make the eval API public.

  687. 

  688. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  689.   Add AV_BASE64_SIZE() macro.

  690. 

  691. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  692.   Add av_get_codec_tag_string().

  693. 

  694. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  695.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  696. 

  697. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  698.   Add CODEC_CAP_EXPERIMENTAL flag.

  699.   NOTE: this was backported to 0.6

  700. 

  701. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  702.   Add av_get_random_seed().

  703. 

  704. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  706.   NOTE: this was backported to 0.6

  707. 

  708. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  709.   Add interlaced and top_field_first fields to AVFilterPicRef.

  710. 

  711. ------------------------------8<-------------------------------------

  712.                    0.6 branch was cut here

  713. ----------------------------->8--------------------------------------

  714. 

  715. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  716.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  718. 

  719. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  721.   existing tags.

  722. 

  723. 2010-04-01 - r22753 - lavc 52.66.0

  724.   Add avcodec_get_edge_width().

  725. 

  726. 2010-03-31 - r22750 - lavc 52.65.0

  727.   Add avcodec_copy_context().

  728. 

  729. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  730.   Make av_match_ext() public.

  731. 

  732. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  733.   Move AVMediaType enum from libavcodec to libavutil.

  734. 

  735. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  738. 

  739. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  740.   Implement av_strerror().

  741. 

  742. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  743.   Support DCT-I and DST-I.

  744. 

  745. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  746.   Add AVFormatContext.start_time_realtime field.

  747. 

  748. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  749.   Add AVFilterPicRef.pos field.

  750. 

  751. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  754. 

  755. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  756.   Add public FFT interface.

  757. 

  758. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  759.   Add av_stristr().

  760. 

  761. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  762.   Add av_tree_enumerate().

  763. 

  764. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  765.   Add av_compare_ts().

  766. 

  767. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  768.   Add sws_getCoefficients().

  769. 

  770. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  772.   'year' -> 'date'.

  773. 

  774. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  775.   Add av_get_pix_fmt().

  776. 

  777. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  778.   Change constness attributes of sws_scale() parameters.

  779. 

  780. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  781.   Add a log_ctx parameter to avfilter_graph_config_links().

  782. 

  783. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  785. 

  786. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  789. 

  790. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  791.   Add avfilter_add_colorspace().

  792. 

  793. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  795. 

  796. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  798. 

  799. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  800.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  801.   AV_METADATA_DONT_STRDUP_VAL.

  802. 

  803. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  804.   Add av_d2str().

  805. 

  806. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  807.   Add avg_frame_rate.

  808. 

  809. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  810.   Introduce the av_bmg_next() function.

  811. 

  812. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  813.   Add a slice_dir parameter to avfilter_draw_slice().

  814. 

  815. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  817. 

  818. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  819.   Introduce the avfilter_next() function.

  820. 

  821. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  824. 

  825. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  826.   Make the pixdesc.h API public.

  827. 

  828. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  830.   registration and management of the registered filters.

  831. 

  832. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  833.   Add a description field to AVFilter.

  834. 

  835. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  836.   Change the interface of avfilter_make_format_list() from

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

  838.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  839. 

  840. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  842.   parameters to it.

  843. 

  844. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  845.   Add w and h fields to AVFilterPic.

  846. 

  847. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  849. 

  850. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  853.   not work right without this.

  854. 

  855. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  857.   major version. Use AV_PKT_FLAG_KEY instead.

  858. 

  859. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  865.   correctly in a multi-threaded application.

  866. 

  867. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  869. 

  870. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  873. 

  874. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  879. 

  880. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  881.   Introduce the av_fifo_space() function.

  882. 

  883. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  885.   libavcodec/avcodec.h.

  886. 

  887. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  890.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  891.   PIX_FMT_BGR32_1 are now macros.

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

  893.   Re-sort the enum PixelFormat list accordingly.

  894.   This change breaks API/ABI backward compatibility.

  895. 

  896. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  897.   Add the enum PixelFormat values:

  898.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  899.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  900. 

  901. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  904.   instead.

  905. 

  906. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  907.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  908.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  909.   and av_fifo_realloc2.

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

  911.   was changed to match av_fifo_generic_write.

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

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

  914. 

  915. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  918.   includes the following structure fields:

  919.     - AVFormatContext.title

  920.     - AVFormatContext.author

  921.     - AVFormatContext.copyright

  922.     - AVFormatContext.comment

  923.     - AVFormatContext.album

  924.     - AVFormatContext.year

  925.     - AVFormatContext.track

  926.     - AVFormatContext.genre

  927.     - AVStream.language

  928.     - AVStream.filename

  929.     - AVProgram.provider_name

  930.     - AVProgram.name

  931.     - AVChapter.title