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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:  2011-04-18

  11. libavutil:   2011-04-18

  12. 

  13. 

  14. API changes, most recent first:

  15. 

  16. 2011-06-19 - xxxxxxx - lavfi 2.22.0 - AVFilterFormats

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

  18.   and update formats handling API accordingly.

  19. 

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

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

  22.   takes int64_t arrays has been added.

  23. 

  24. 2011-06-19 - xxxxxxx - lavfi 2.21.0 - vsink_buffer.h

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

  26. 

  27. 2011-06-12 - xxxxxxx - lavfi 2.18.0 - avcodec.h

  28.   Add avfilter_get_video_buffer_ref_from_frame() function in

  29.   libavfilter/avcodec.h.

  30. 

  31. 2011-06-12 - xxxxxxx - lavfi 2.17.0 - avfiltergraph.h

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

  33. 

  34. 2011-06-12 - xxxxxxx - lavfi 2.16.0 - avfilter_graph_parse()

  35.   Change avfilter_graph_parse() signature.

  36. 

  37. 2011-06-xx - xxxxxxx - lavf 53.2.0 - avformat.h

  38.   Add avformat_open_input and avformat_write_header().

  39.   Deprecate av_open_input_stream, av_open_input_file,

  40.   AVFormatParameters and av_write_header.

  41. 

  42. 2011-06-xx - xxxxxxx - lavu 51.7.0 - opt.h

  43.   Add av_opt_set_dict() and av_opt_find().

  44.   Deprecate av_find_opt().

  45.   Add AV_DICT_APPEND flag.

  46. 

  47. 2011-06-xx - xxxxxxx - lavu 51.6.0 - opt.h

  48.   Add av_opt_flag_is_set().

  49. 

  50. 2011-06-10 - c381960 - lavfi 2.15.0 - avfilter_get_audio_buffer_ref_from_arrays

  51.   Add avfilter_get_audio_buffer_ref_from_arrays() to avfilter.h.

  52. 

  53. 2011-06-09 - d9f80ea - lavu 51.8.0 - AVMetadata

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

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

  56.   All av_metadata_* functions renamed to av_dict_*.

  57. 

  58. 2011-06-07 - a6703fa - lavu 51.8.0 - av_get_bytes_per_sample()

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

  60.   Deprecate av_get_bits_per_sample_fmt().

  61. 

  62. 2011-06-xx - b39b062 - lavu 51.8.0 - opt.h

  63.   Add av_opt_free convenience function.

  64. 

  65. 2011-06-06 - 95a0242 - lavfi 2.14.0 - AVFilterBufferRefAudioProps

  66.   Remove AVFilterBufferRefAudioProps.size, and use nb_samples in

  67.   avfilter_get_audio_buffer() and avfilter_default_get_audio_buffer() in

  68.   place of size.

  69. 

  70. 2011-06-06 - 0bc2cca - lavu 51.6.0 - av_samples_alloc()

  71.   Switch nb_channels and nb_samples parameters order in

  72.   av_samples_alloc().

  73. 

  74. 2011-06-06 - e1c7414 - lavu 51.5.0 - av_samples_*

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

  76.   av_samples_alloc().

  77. 

  78. 2011-06-06 - 27bcf55 - lavfi 2.13.0 - vsrc_buffer.h

  79.   Make av_vsrc_buffer_add_video_buffer_ref() accepts an additional

  80.   flags parameter in input.

  81. 

  82. 2011-06-03 - e977ca2 - lavfi 2.12.0 - avfilter_link_free()

  83.   Add avfilter_link_free() function.

  84. 

  85. 2011-06-02 - 5ad38d9 - lavu 51.4.0 - av_force_cpu_flags()

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

  87. 

  88. 2011-05-28 - e71f260 - lavu 51.3.0 - pixdesc.h

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

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

  91. 

  92. 2011-05-25 - 30315a8 - lavf 53.3.0 - avformat.h

  93.   Add fps_probe_size to AVFormatContext.

  94. 

  95. 2011-05-22 - 5ecdfd0 - lavf 53.2.0 - avformat.h

  96.   Introduce avformat_alloc_output_context2() and deprecate

  97.   avformat_alloc_output_context().

  98. 

  99. 2011-05-22 - 83db719 - lavfi 2.10.0 - vsrc_buffer.h

  100.   Make libavfilter/vsrc_buffer.h public.

  101. 

  102. 2011-05-19 - c000a9f - lavfi 2.8.0 - avcodec.h

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

  104. 

  105. 2011-05-14 - 9fdf772 - lavfi 2.6.0 - avcodec.h

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

  107. 

  108. 2011-05-18 - 64150ff - lavc 53.7.0 - AVCodecContext.request_sample_fmt

  109.   Add request_sample_fmt field to AVCodecContext.

  110. 

  111. 2011-05-10 - 188dea1 - lavc 53.6.0 - avcodec.h

  112.   Deprecate AVLPCType and the following fields in

  113.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  114.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  115.   Corresponding FLAC encoder options should be used instead.

  116. 

  117. 2011-05-07 - 9fdf772 - lavfi 2.5.0 - avcodec.h

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

  119.   function.

  120. 

  121. 2011-05-07 - 18ded93 - lavc 53.5.0 - AVFrame

  122.   Add format field to AVFrame.

  123. 

  124. 2011-05-07 - 22333a6 - lavc 53.4.0 - AVFrame

  125.   Add width and height fields to AVFrame.

  126. 

  127. 2011-05-01 - 35fe66a - lavfi 2.4.0 - avfilter.h

  128.   Rename AVFilterBufferRefVideoProps.pixel_aspect to

  129.   sample_aspect_ratio.

  130. 

  131. 2011-05-01 - 77e9dee - lavc 53.3.0 - AVFrame

  132.   Add a sample_aspect_ratio field to AVFrame.

  133. 

  134. 2011-05-01 - 1ba5727 - lavc 53.2.0 - AVFrame

  135.   Add a pkt_pos field to AVFrame.

  136. 

  137. 2011-04-29 - 35ceaa7 - lavu 51.2.0 - mem.h

  138.   Add av_dynarray_add function for adding

  139.   an element to a dynamic array.

  140. 

  141. 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h

  142.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  144.   libavcodec/avcodec.h.

  145. 

  146. 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h

  147.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  148. 

  149. 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  150.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  151. 

  152. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  153.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  154. 

  155. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  157.     4de339e introduce side information for AVPacket

  158.     2d8591c make containers pass palette change in AVPacket

  159. 

  160. 2011-04-12 - lavf 52.107.0 - avio.h

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

  162.     175389c add avio_check as a replacement for url_exist

  163.     ff1ec0c add avio_pause and avio_seek_time as replacements

  164.             for _av_url_read_fseek/fpause

  165.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  166.             should be used instead.

  167.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  169.     f8270bb add avio_enum_protocols.

  170.     5593f03 deprecate URLProtocol.

  171.     c486dad deprecate URLContext.

  172.     026e175 deprecate the typedef for URLInterruptCB

  173.     8e76a19 deprecate av_register_protocol2.

  174.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  175.     1305d93 deprecate av_url_read_seek

  176.     fa104e1 deprecate av_url_read_pause

  177.     727c7aa deprecate url_get_filename().

  178.     5958df3 deprecate url_max_packet_size().

  179.     1869ea0 deprecate url_get_file_handle().

  180.     32a97d4 deprecate url_filesize().

  181.     e52a914 deprecate url_close().

  182.     58a48c6 deprecate url_seek().

  183.     925e908 deprecate url_write().

  184.     dce3756 deprecate url_read_complete().

  185.     bc371ac deprecate url_read().

  186.     0589da0 deprecate url_open().

  187.     62eaaea deprecate url_connect.

  188.     5652bb9 deprecate url_alloc.

  189.     333e894 deprecate url_open_protocol

  190.     e230705 deprecate url_poll and URLPollEntry

  191. 

  192. 2011-04-08 - lavf 52.106.0 - avformat.h

  193.   Minor avformat.h cleanup:

  194.     a9bf9d8 deprecate av_guess_image2_codec

  195.     c3675df rename avf_sdp_create->av_sdp_create

  196. 

  197. 2011-04-03 - lavf 52.105.0 - avio.h

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

  199.     724f6a0 deprecate url_fdopen

  200.     403ee83 deprecate url_open_dyn_packet_buf

  201.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  202.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  203.     8978fed introduce an AVIOContext.seekable field as a replacement for

  204.             AVIOContext.is_streamed and url_is_streamed()

  205.     b64030f deprecate get_checksum()

  206.     4c4427a deprecate init_checksum()

  207.     4ec153b deprecate udp_set_remote_url/get_local_port

  208.     933e90a deprecate av_url_read_fseek/fpause

  209.     8d9769a deprecate url_fileno

  210.     b7f2fdd rename put_flush_packet -> avio_flush

  211.     35f1023 deprecate url_close_buf

  212.     83fddae deprecate url_open_buf

  213.     d9d86e0 rename url_fprintf -> avio_printf

  214.     59f65d9 deprecate url_setbufsize

  215.     3e68b3b deprecate url_ferror

  216.     66e5b1d deprecate url_feof

  217.     e8bb2e2 deprecate url_fget_max_packet_size

  218.     76aa876 rename url_fsize -> avio_size

  219.     e519753 deprecate url_fgetc

  220.     655e45e deprecate url_fgets

  221.     a2704c9 rename url_ftell -> avio_tell

  222.     e16ead0 deprecate get_strz() in favor of avio_get_str

  223.     0300db8,2af07d3 rename url_fskip -> avio_skip

  224.     6b4aa5d rename url_fseek -> avio_seek

  225.     61840b4 deprecate put_tag

  226.     22a3212 rename url_fopen/fclose -> avio_open/close.

  227.     0ac8e2b deprecate put_nbyte

  228.     77eb550 rename put_byte          -> avio_w8

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

  230.                    put_buffer        -> avio_write

  231.     b7effd4 rename get_byte          -> avio_r8,

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

  233.                    get_buffer        -> avio_read

  234.     b3db9ce deprecate get_partial_buffer

  235.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  236. 

  237. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  238.   Add audio_service_type field to AVCodecContext.

  239. 

  240. 2011-03-17 - e309fdc - lavu 50.40.0 - pixfmt.h

  241.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  242. 

  243. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  244.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  245.   source stream timebase for outputting timestamps. Deprecate

  246.   av_pkt_dump and av_pkt_dump_log.

  247. 

  248. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  252.   * ae628ec - rename ByteIOContext to AVIOContext.

  253. 

  254. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  255.                        lavu  52.39.0  - parseutils.h

  256.   * 610219a - Add av_ prefix to dump_format().

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

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

  259. 

  260. 2011-02-15 - lavu 52.38.0 - merge libavcore

  261.   libavcore is merged back completely into libavutil

  262. 

  263. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  264.   Add vbv_delay field to AVCodecContext

  265. 

  266. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  267.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  268. 

  269. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  270.   Add sample_aspect_ratio field to AVFilterLink.

  271. 

  272. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  273.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  274. 

  275. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

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

  277.   set thread_count before calling avcodec_open.

  278. 

  279. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

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

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

  282.   Add thread_type and active_thread_type fields to AVCodecContext.

  283. 

  284. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  286.   ByteIOContext.

  287. 

  288. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  289.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  290. 

  291. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  292.   Add avformat_free_context() in avformat.h.

  293. 

  294. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  295.   Add CODEC_ID_PRORES to avcodec.h.

  296. 

  297. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

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

  299. 

  300. 2011-02-02 - lavf 52.95.0

  301.   * 50196a9 - add a new installed header version.h.

  302.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  304.     {put,get}_str*.

  305. 

  306. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  307.   Make av_dlog public.

  308. 

  309. 2011-01-31 - 7b3ea55 - lavfi 1.76.0 - vsrc_buffer

  310.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  311. 

  312. 2011-01-31 - 910b5b8 - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio

  313.   Add sample_aspect_ratio field to AVFilterLink.

  314. 

  315. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  316.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  317. 

  318. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  319.   Add av_metadata_copy() in avformat.h.

  320. 

  321. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  322.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  323. 

  324. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  326.   to not mess up dts.

  327. 

  328. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  329.   Add pkt_pts to AVFrame.

  330. 

  331. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  332.   Add av_get_profile_name to libavcodec/avcodec.h.

  333. 

  334. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  335.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  336. 

  337. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  338.   Add av_find_best_stream to libavformat/avformat.h.

  339. 

  340. 2010-12-27 - r26103 - lavf 52.90.0

  341.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  342.   like e.g. text metadata.

  343. 

  344. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  346. 

  347. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  348.   Add "not found" error codes:

  349.   AVERROR_DEMUXER_NOT_FOUND

  350.   AVERROR_MUXER_NOT_FOUND

  351.   AVERROR_DECODER_NOT_FOUND

  352.   AVERROR_ENCODER_NOT_FOUND

  353.   AVERROR_PROTOCOL_NOT_FOUND

  354.   AVERROR_FILTER_NOT_FOUND

  355.   AVERROR_BSF_NOT_FOUND

  356.   AVERROR_STREAM_NOT_FOUND

  357. 

  358. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  359.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  360.   avcodec.h to avcore.h.

  361. 

  362. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  364. 

  365. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  366.   Deprecate avcodec_pix_fmt_string() in favor of

  367.   pixdesc.h/av_get_pix_fmt_string().

  368. 

  369. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  371. 

  372. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  374. 

  375. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  376.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  377.   avfilter.h.

  378. 

  379. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  381.   corresponding functions in libavcodec:

  382.   avcodec_get_channel_name()

  383.   avcodec_get_channel_layout()

  384.   avcodec_get_channel_layout_string()

  385.   avcodec_channel_layout_num_channels()

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

  387. 

  388. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  389.   Add av_append_packet().

  390. 

  391. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  392.   Add av_grow_packet().

  393. 

  394. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  396. 

  397. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  398.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  399.   fields.

  400. 

  401. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  402.   Make avfiltergraph.h public.

  403. 

  404. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  406.   avfilter_graph_check_validity()

  407.   avfilter_graph_config_links()

  408.   avfilter_graph_config_formats()

  409.   which are now internal.

  410.   Use avfilter_graph_config() instead.

  411. 

  412. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  413.   Deprecate functions:

  414.   av_parse_and_eval_expr(),

  415.   av_parse_expr(),

  416.   av_eval_expr(),

  417.   av_free_expr(),

  418.   in favor of the functions:

  419.   av_expr_parse_and_eval(),

  420.   av_expr_parse(),

  421.   av_expr_eval(),

  422.   av_expr_free().

  423. 

  424. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  425.   Rename avfilter_destroy() to avfilter_free().

  426.   This change breaks libavfilter API/ABI.

  427. 

  428. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  429.   Remove graphparser.h header, move AVFilterInOut and

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

  431. 

  432. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  433.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  434.   This change breaks libavfilter API.

  435. 

  436. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  437.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  438.   This change breaks libavfilter API/ABI.

  439. 

  440. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  442. 

  443. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  445.   deprecate av_get_bits_per_sample_format().

  446. 

  447. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  449.   av_get_sample_fmt_name(),

  450.   av_get_sample_fmt(),

  451.   av_get_sample_fmt_string(),

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

  453.   avcodec_get_sample_fmt_name(),

  454.   avcodec_get_sample_fmt(),

  455.   avcodec_sample_fmt_string().

  456. 

  457. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  459.   SampleFormat.

  460. 

  461. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  463. 

  464. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  465.   Change demuxers to export metadata in generic format and

  466.   muxers to accept generic format. Deprecate the public

  467.   conversion API.

  468. 

  469. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  470.   Add time_base field to AVFilterLink.

  471. 

  472. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  474.   libavutil/opt.h.

  475. 

  476. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  479. 

  480. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  482.   libavutil/avstring.h.

  483. 

  484. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  486. 

  487. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  489. 

  490. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  493.   enabling it for your app!.

  494. 

  495. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  497. 

  498. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  500. 

  501. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  502.   Add av_get_cpu_flags().

  503. 

  504. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  505.   Add av_image_copy().

  506. 

  507. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  508.   Add av_image_copy_plane().

  509. 

  510. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  512.   deprecate the old names.

  513. 

  514. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  517. 

  518. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  519.   Add avcodec_get_channel_layout() in audioconvert.h.

  520. 

  521. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  522.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  523. 

  524. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  525.   Add av_fill_image_max_pixstep() in imgutils.h.

  526. 

  527. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  528.   Add the AV_NE macro.

  529. 

  530. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  531.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  533. 

  534. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  535.   Add av_get_image_linesize() in imgutils.h.

  536. 

  537. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  539. 

  540.   This change breaks libavfilter API/ABI.

  541. 

  542. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  543.   Add av_picture_data_copy in avcodec.h.

  544. 

  545. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  546.   Change avfilter_open() signature:

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

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

  549. 

  550.   This change breaks libavfilter API/ABI.

  551. 

  552. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  554.   properties to AVFilterBufferRefVideoProps.

  555. 

  556.   This change breaks libavfilter API/ABI.

  557. 

  558. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  559.   Rename AVFilterLink fields:

  560.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  561.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  562.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  563. 

  564. 2010-08-07 - r24731 - lavfi 1.30.0

  565.   Rename functions and fields:

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

  567.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  568.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  569. 

  570. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  571.   Rename AVFilterPicRef to AVFilterBufferRef.

  572. 

  573. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  574.   Move format field from AVFilterBuffer to AVFilterPicRef.

  575. 

  576. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  577.   Deprecate avcodec_check_dimensions() in favor of the function

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

  579. 

  580. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  581.   Increase size of the arrays AVFilterBuffer.data and

  582.   AVFilterBuffer.linesize from 4 to 8.

  583. 

  584.   This change breaks libavfilter ABI.

  585. 

  586. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  587.   Add functions av_fill_image_linesizes() and

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

  589. 

  590. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  591.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  593.   av_parse_video_size() and av_parse_video_rate() declared in

  594.   libavcore/parseutils.h.

  595. 

  596. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  597.   Add the M_PHI constant definition.

  598. 

  599. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  600.   Add a type field to AVFilterLink.

  601. 

  602.   Change the field types:

  603.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  606. 

  607.   Change the function signatures:

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

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

  610. 

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

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

  613. 

  614.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  615.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  616. 

  617.   This change breaks libavfilter API/ABI.

  618. 

  619. 2010-07-21 - r24393 - lavcore 0.0.0

  620.   Add libavcore.

  621. 

  622. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  623.   Remove w and h fields from AVFilterBuffer.

  624. 

  625. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  626.   Rename AVFilterPic to AVFilterBuffer.

  627. 

  628. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  630. 

  631. 2010-07-11 - r24199 - lavc 52.83.0

  632.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  633.   Add AVLPCType enum.

  634.   Deprecate AVCodecContext.use_lpc.

  635. 

  636. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  638.   avcodec_decode_subtitle.

  639. 

  640. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  642. 

  643. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  645. 

  646. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  647.   Add avfilter_copy_picref_props().

  648. 

  649. 2010-07-03 - r24021 - lavc 52.79.0

  650.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  651.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  652. 

  653. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  655.   lfg.h.

  656. 

  657. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  659.   set the alpha value to 255 by default.

  660. 

  661. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  662.   Add priv_data_size and priv_data_class to URLProtocol.

  663. 

  664. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  665.   Add url_alloc() and url_connect().

  666. 

  667. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  669. 

  670. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  672. 

  673. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  674.   Make the eval API public.

  675. 

  676. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  677.   Add AV_BASE64_SIZE() macro.

  678. 

  679. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  680.   Add av_get_codec_tag_string().

  681. 

  682. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  683.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  684. 

  685. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  686.   Add CODEC_CAP_EXPERIMENTAL flag.

  687.   NOTE: this was backported to 0.6

  688. 

  689. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  690.   Add av_get_random_seed().

  691. 

  692. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  694.   NOTE: this was backported to 0.6

  695. 

  696. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  697.   Add interlaced and top_field_first fields to AVFilterPicRef.

  698. 

  699. ------------------------------8<-------------------------------------

  700.                    0.6 branch was cut here

  701. ----------------------------->8--------------------------------------

  702. 

  703. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  704.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  706. 

  707. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  709.   existing tags.

  710. 

  711. 2010-04-01 - r22753 - lavc 52.66.0

  712.   Add avcodec_get_edge_width().

  713. 

  714. 2010-03-31 - r22750 - lavc 52.65.0

  715.   Add avcodec_copy_context().

  716. 

  717. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  718.   Make av_match_ext() public.

  719. 

  720. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  721.   Move AVMediaType enum from libavcodec to libavutil.

  722. 

  723. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  726. 

  727. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  728.   Implement av_strerror().

  729. 

  730. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  731.   Support DCT-I and DST-I.

  732. 

  733. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  734.   Add AVFormatContext.start_time_realtime field.

  735. 

  736. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  737.   Add AVFilterPicRef.pos field.

  738. 

  739. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  742. 

  743. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  744.   Add public FFT interface.

  745. 

  746. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  747.   Add av_stristr().

  748. 

  749. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  750.   Add av_tree_enumerate().

  751. 

  752. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  753.   Add av_compare_ts().

  754. 

  755. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  756.   Add sws_getCoefficients().

  757. 

  758. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  760.   'year' -> 'date'.

  761. 

  762. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  763.   Add av_get_pix_fmt().

  764. 

  765. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  766.   Change constness attributes of sws_scale() parameters.

  767. 

  768. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  769.   Add a log_ctx parameter to avfilter_graph_config_links().

  770. 

  771. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  773. 

  774. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  777. 

  778. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  779.   Add avfilter_add_colorspace().

  780. 

  781. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  783. 

  784. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  786. 

  787. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  788.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  789.   AV_METADATA_DONT_STRDUP_VAL.

  790. 

  791. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  792.   Add av_d2str().

  793. 

  794. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  795.   Add avg_frame_rate.

  796. 

  797. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  798.   Introduce the av_bmg_next() function.

  799. 

  800. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  801.   Add a slice_dir parameter to avfilter_draw_slice().

  802. 

  803. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  805. 

  806. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  807.   Introduce the avfilter_next() function.

  808. 

  809. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  812. 

  813. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  814.   Make the pixdesc.h API public.

  815. 

  816. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  818.   registration and management of the registered filters.

  819. 

  820. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  821.   Add a description field to AVFilter.

  822. 

  823. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  824.   Change the interface of avfilter_make_format_list() from

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

  826.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  827. 

  828. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  830.   parameters to it.

  831. 

  832. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  833.   Add w and h fields to AVFilterPic.

  834. 

  835. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  837. 

  838. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  841.   not work right without this.

  842. 

  843. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  845.   major version. Use AV_PKT_FLAG_KEY instead.

  846. 

  847. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  853.   correctly in a multi-threaded application.

  854. 

  855. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  857. 

  858. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  861. 

  862. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  867. 

  868. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  869.   Introduce the av_fifo_space() function.

  870. 

  871. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  873.   libavcodec/avcodec.h.

  874. 

  875. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  878.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  879.   PIX_FMT_BGR32_1 are now macros.

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

  881.   Re-sort the enum PixelFormat list accordingly.

  882.   This change breaks API/ABI backward compatibility.

  883. 

  884. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  885.   Add the enum PixelFormat values:

  886.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  887.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  888. 

  889. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  892.   instead.

  893. 

  894. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  895.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  896.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  897.   and av_fifo_realloc2.

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

  899.   was changed to match av_fifo_generic_write.

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

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

  902. 

  903. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  906.   includes the following structure fields:

  907.     - AVFormatContext.title

  908.     - AVFormatContext.author

  909.     - AVFormatContext.copyright

  910.     - AVFormatContext.comment

  911.     - AVFormatContext.album

  912.     - AVFormatContext.year

  913.     - AVFormatContext.track

  914.     - AVFormatContext.genre

  915.     - AVStream.language

  916.     - AVStream.filename

  917.     - AVProgram.provider_name

  918.     - AVProgram.name

  919.     - AVChapter.title