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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. 2011-07-10 - a67c061 - lavf 53.3.0

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

  18. 

  19. 2011-07-10 - 0b950fe - lavc 53.6.0

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

  21. 

  22. 2011-07-01 - b442ca6 - lavf 53.5.0 - avformat.h

  23.   Add function av_get_output_timestamp().

  24. 

  25. 2011-06-28 - 5129336 - lavu 51.11.0 - avutil.h

  26.   Define the AV_PICTURE_TYPE_NONE value in AVPictureType enum.

  27. 

  28. 2011-06-19 - xxxxxxx - lavfi 2.23.0 - avfilter.h

  29.   Add layout negotiation fields and helper functions.

  30. 

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

  32.   and the functions:

  33.   avfilter_set_common_sample_formats()

  34.   avfilter_set_common_channel_layouts()

  35.   avfilter_all_channel_layouts()

  36. 

  37. 2011-06-19 - xxxxxxx - lavfi 2.22.0 - AVFilterFormats

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

  39.   and update formats handling API accordingly.

  40. 

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

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

  43.   takes int64_t arrays has been added.

  44. 

  45. 2011-06-19 - xxxxxxx - lavfi 2.21.0 - vsink_buffer.h

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

  47. 

  48. 2011-06-12 - xxxxxxx - lavfi 2.18.0 - avcodec.h

  49.   Add avfilter_get_video_buffer_ref_from_frame() function in

  50.   libavfilter/avcodec.h.

  51. 

  52. 2011-06-12 - xxxxxxx - lavfi 2.17.0 - avfiltergraph.h

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

  54. 

  55. 2011-06-12 - xxxxxxx - lavfi 2.16.0 - avfilter_graph_parse()

  56.   Change avfilter_graph_parse() signature.

  57. 

  58. 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h

  59.   Add av_printf_format().

  60. 

  61. 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h

  62.   Add avformat_open_input and avformat_write_header().

  63.   Deprecate av_open_input_stream, av_open_input_file,

  64.   AVFormatParameters and av_write_header.

  65. 

  66. 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h

  67.   Add av_opt_set_dict() and av_opt_find().

  68.   Deprecate av_find_opt().

  69.   Add AV_DICT_APPEND flag.

  70. 

  71. 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h

  72.   Add av_opt_flag_is_set().

  73. 

  74. 2011-06-10 - c381960 - lavfi 2.15.0 - avfilter_get_audio_buffer_ref_from_arrays

  75.   Add avfilter_get_audio_buffer_ref_from_arrays() to avfilter.h.

  76. 

  77. 2011-06-09 - d9f80ea - lavu 51.8.0 - AVMetadata

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

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

  80.   All av_metadata_* functions renamed to av_dict_*.

  81. 

  82. 2011-06-07 - a6703fa - lavu 51.8.0 - av_get_bytes_per_sample()

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

  84.   Deprecate av_get_bits_per_sample_fmt().

  85. 

  86. 2011-06-xx - b39b062 - lavu 51.8.0 - opt.h

  87.   Add av_opt_free convenience function.

  88. 

  89. 2011-06-06 - 95a0242 - lavfi 2.14.0 - AVFilterBufferRefAudioProps

  90.   Remove AVFilterBufferRefAudioProps.size, and use nb_samples in

  91.   avfilter_get_audio_buffer() and avfilter_default_get_audio_buffer() in

  92.   place of size.

  93. 

  94. 2011-06-06 - 0bc2cca - lavu 51.6.0 - av_samples_alloc()

  95.   Switch nb_channels and nb_samples parameters order in

  96.   av_samples_alloc().

  97. 

  98. 2011-06-06 - e1c7414 - lavu 51.5.0 - av_samples_*

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

  100.   av_samples_alloc().

  101. 

  102. 2011-06-06 - 27bcf55 - lavfi 2.13.0 - vsrc_buffer.h

  103.   Make av_vsrc_buffer_add_video_buffer_ref() accepts an additional

  104.   flags parameter in input.

  105. 

  106. 2011-06-03 - e977ca2 - lavfi 2.12.0 - avfilter_link_free()

  107.   Add avfilter_link_free() function.

  108. 

  109. 2011-06-02 - 5ad38d9 - lavu 51.4.0 - av_force_cpu_flags()

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

  111. 

  112. 2011-05-28 - e71f260 - lavu 51.3.0 - pixdesc.h

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

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

  115. 

  116. 2011-05-25 - 30315a8 - lavf 53.3.0 - avformat.h

  117.   Add fps_probe_size to AVFormatContext.

  118. 

  119. 2011-05-22 - 5ecdfd0 - lavf 53.2.0 - avformat.h

  120.   Introduce avformat_alloc_output_context2() and deprecate

  121.   avformat_alloc_output_context().

  122. 

  123. 2011-05-22 - 83db719 - lavfi 2.10.0 - vsrc_buffer.h

  124.   Make libavfilter/vsrc_buffer.h public.

  125. 

  126. 2011-05-19 - c000a9f - lavfi 2.8.0 - avcodec.h

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

  128. 

  129. 2011-05-14 - 9fdf772 - lavfi 2.6.0 - avcodec.h

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

  131. 

  132. 2011-05-18 - 64150ff - lavc 53.7.0 - AVCodecContext.request_sample_fmt

  133.   Add request_sample_fmt field to AVCodecContext.

  134. 

  135. 2011-05-10 - 188dea1 - lavc 53.6.0 - avcodec.h

  136.   Deprecate AVLPCType and the following fields in

  137.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  138.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  139.   Corresponding FLAC encoder options should be used instead.

  140. 

  141. 2011-05-07 - 9fdf772 - lavfi 2.5.0 - avcodec.h

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

  143.   function.

  144. 

  145. 2011-05-07 - 18ded93 - lavc 53.5.0 - AVFrame

  146.   Add format field to AVFrame.

  147. 

  148. 2011-05-07 - 22333a6 - lavc 53.4.0 - AVFrame

  149.   Add width and height fields to AVFrame.

  150. 

  151. 2011-05-01 - 35fe66a - lavfi 2.4.0 - avfilter.h

  152.   Rename AVFilterBufferRefVideoProps.pixel_aspect to

  153.   sample_aspect_ratio.

  154. 

  155. 2011-05-01 - 77e9dee - lavc 53.3.0 - AVFrame

  156.   Add a sample_aspect_ratio field to AVFrame.

  157. 

  158. 2011-05-01 - 1ba5727 - lavc 53.2.0 - AVFrame

  159.   Add a pkt_pos field to AVFrame.

  160. 

  161. 2011-04-29 - 35ceaa7 - lavu 51.2.0 - mem.h

  162.   Add av_dynarray_add function for adding

  163.   an element to a dynamic array.

  164. 

  165. 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h

  166.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  168.   libavcodec/avcodec.h.

  169. 

  170. 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h

  171.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  172. 

  173. 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  174.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  175. 

  176. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  177.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  178. 

  179. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  181.     4de339e introduce side information for AVPacket

  182.     2d8591c make containers pass palette change in AVPacket

  183. 

  184. 2011-04-12 - lavf 52.107.0 - avio.h

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

  186.     175389c add avio_check as a replacement for url_exist

  187.     ff1ec0c add avio_pause and avio_seek_time as replacements

  188.             for _av_url_read_fseek/fpause

  189.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  190.             should be used instead.

  191.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  193.     f8270bb add avio_enum_protocols.

  194.     5593f03 deprecate URLProtocol.

  195.     c486dad deprecate URLContext.

  196.     026e175 deprecate the typedef for URLInterruptCB

  197.     8e76a19 deprecate av_register_protocol2.

  198.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  199.     1305d93 deprecate av_url_read_seek

  200.     fa104e1 deprecate av_url_read_pause

  201.     727c7aa deprecate url_get_filename().

  202.     5958df3 deprecate url_max_packet_size().

  203.     1869ea0 deprecate url_get_file_handle().

  204.     32a97d4 deprecate url_filesize().

  205.     e52a914 deprecate url_close().

  206.     58a48c6 deprecate url_seek().

  207.     925e908 deprecate url_write().

  208.     dce3756 deprecate url_read_complete().

  209.     bc371ac deprecate url_read().

  210.     0589da0 deprecate url_open().

  211.     62eaaea deprecate url_connect.

  212.     5652bb9 deprecate url_alloc.

  213.     333e894 deprecate url_open_protocol

  214.     e230705 deprecate url_poll and URLPollEntry

  215. 

  216. 2011-04-08 - lavf 52.106.0 - avformat.h

  217.   Minor avformat.h cleanup:

  218.     a9bf9d8 deprecate av_guess_image2_codec

  219.     c3675df rename avf_sdp_create->av_sdp_create

  220. 

  221. 2011-04-03 - lavf 52.105.0 - avio.h

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

  223.     724f6a0 deprecate url_fdopen

  224.     403ee83 deprecate url_open_dyn_packet_buf

  225.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  226.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  227.     8978fed introduce an AVIOContext.seekable field as a replacement for

  228.             AVIOContext.is_streamed and url_is_streamed()

  229.     b64030f deprecate get_checksum()

  230.     4c4427a deprecate init_checksum()

  231.     4ec153b deprecate udp_set_remote_url/get_local_port

  232.     933e90a deprecate av_url_read_fseek/fpause

  233.     8d9769a deprecate url_fileno

  234.     b7f2fdd rename put_flush_packet -> avio_flush

  235.     35f1023 deprecate url_close_buf

  236.     83fddae deprecate url_open_buf

  237.     d9d86e0 rename url_fprintf -> avio_printf

  238.     59f65d9 deprecate url_setbufsize

  239.     3e68b3b deprecate url_ferror

  240.     66e5b1d deprecate url_feof

  241.     e8bb2e2 deprecate url_fget_max_packet_size

  242.     76aa876 rename url_fsize -> avio_size

  243.     e519753 deprecate url_fgetc

  244.     655e45e deprecate url_fgets

  245.     a2704c9 rename url_ftell -> avio_tell

  246.     e16ead0 deprecate get_strz() in favor of avio_get_str

  247.     0300db8,2af07d3 rename url_fskip -> avio_skip

  248.     6b4aa5d rename url_fseek -> avio_seek

  249.     61840b4 deprecate put_tag

  250.     22a3212 rename url_fopen/fclose -> avio_open/close.

  251.     0ac8e2b deprecate put_nbyte

  252.     77eb550 rename put_byte          -> avio_w8

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

  254.                    put_buffer        -> avio_write

  255.     b7effd4 rename get_byte          -> avio_r8,

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

  257.                    get_buffer        -> avio_read

  258.     b3db9ce deprecate get_partial_buffer

  259.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  260. 

  261. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  262.   Add audio_service_type field to AVCodecContext.

  263. 

  264. 2011-03-17 - e309fdc - lavu 50.40.0 - pixfmt.h

  265.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  266. 

  267. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  268.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  269.   source stream timebase for outputting timestamps. Deprecate

  270.   av_pkt_dump and av_pkt_dump_log.

  271. 

  272. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  276.   * ae628ec - rename ByteIOContext to AVIOContext.

  277. 

  278. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  279.                        lavu  52.39.0  - parseutils.h

  280.   * 610219a - Add av_ prefix to dump_format().

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

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

  283. 

  284. 2011-02-15 - lavu 52.38.0 - merge libavcore

  285.   libavcore is merged back completely into libavutil

  286. 

  287. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  288.   Add vbv_delay field to AVCodecContext

  289. 

  290. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  291.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  292. 

  293. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  294.   Add sample_aspect_ratio field to AVFilterLink.

  295. 

  296. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  297.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  298. 

  299. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

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

  301.   set thread_count before calling avcodec_open.

  302. 

  303. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

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

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

  306.   Add thread_type and active_thread_type fields to AVCodecContext.

  307. 

  308. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  310.   ByteIOContext.

  311. 

  312. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  313.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  314. 

  315. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  316.   Add avformat_free_context() in avformat.h.

  317. 

  318. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  319.   Add CODEC_ID_PRORES to avcodec.h.

  320. 

  321. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

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

  323. 

  324. 2011-02-02 - lavf 52.95.0

  325.   * 50196a9 - add a new installed header version.h.

  326.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  328.     {put,get}_str*.

  329. 

  330. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  331.   Make av_dlog public.

  332. 

  333. 2011-01-31 - 7b3ea55 - lavfi 1.76.0 - vsrc_buffer

  334.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  335. 

  336. 2011-01-31 - 910b5b8 - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio

  337.   Add sample_aspect_ratio field to AVFilterLink.

  338. 

  339. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  340.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  341. 

  342. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  343.   Add av_metadata_copy() in avformat.h.

  344. 

  345. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  346.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  347. 

  348. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  350.   to not mess up dts.

  351. 

  352. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  353.   Add pkt_pts to AVFrame.

  354. 

  355. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  356.   Add av_get_profile_name to libavcodec/avcodec.h.

  357. 

  358. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  359.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  360. 

  361. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  362.   Add av_find_best_stream to libavformat/avformat.h.

  363. 

  364. 2010-12-27 - r26103 - lavf 52.90.0

  365.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  366.   like e.g. text metadata.

  367. 

  368. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  370. 

  371. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  372.   Add "not found" error codes:

  373.   AVERROR_DEMUXER_NOT_FOUND

  374.   AVERROR_MUXER_NOT_FOUND

  375.   AVERROR_DECODER_NOT_FOUND

  376.   AVERROR_ENCODER_NOT_FOUND

  377.   AVERROR_PROTOCOL_NOT_FOUND

  378.   AVERROR_FILTER_NOT_FOUND

  379.   AVERROR_BSF_NOT_FOUND

  380.   AVERROR_STREAM_NOT_FOUND

  381. 

  382. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  383.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  384.   avcodec.h to avcore.h.

  385. 

  386. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  388. 

  389. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  390.   Deprecate avcodec_pix_fmt_string() in favor of

  391.   pixdesc.h/av_get_pix_fmt_string().

  392. 

  393. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  395. 

  396. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  398. 

  399. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  400.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  401.   avfilter.h.

  402. 

  403. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  405.   corresponding functions in libavcodec:

  406.   avcodec_get_channel_name()

  407.   avcodec_get_channel_layout()

  408.   avcodec_get_channel_layout_string()

  409.   avcodec_channel_layout_num_channels()

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

  411. 

  412. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  413.   Add av_append_packet().

  414. 

  415. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  416.   Add av_grow_packet().

  417. 

  418. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  420. 

  421. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  422.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  423.   fields.

  424. 

  425. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  426.   Make avfiltergraph.h public.

  427. 

  428. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  430.   avfilter_graph_check_validity()

  431.   avfilter_graph_config_links()

  432.   avfilter_graph_config_formats()

  433.   which are now internal.

  434.   Use avfilter_graph_config() instead.

  435. 

  436. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  437.   Deprecate functions:

  438.   av_parse_and_eval_expr(),

  439.   av_parse_expr(),

  440.   av_eval_expr(),

  441.   av_free_expr(),

  442.   in favor of the functions:

  443.   av_expr_parse_and_eval(),

  444.   av_expr_parse(),

  445.   av_expr_eval(),

  446.   av_expr_free().

  447. 

  448. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  449.   Rename avfilter_destroy() to avfilter_free().

  450.   This change breaks libavfilter API/ABI.

  451. 

  452. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  453.   Remove graphparser.h header, move AVFilterInOut and

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

  455. 

  456. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  457.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  458.   This change breaks libavfilter API.

  459. 

  460. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  461.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  462.   This change breaks libavfilter API/ABI.

  463. 

  464. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  466. 

  467. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  469.   deprecate av_get_bits_per_sample_format().

  470. 

  471. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  473.   av_get_sample_fmt_name(),

  474.   av_get_sample_fmt(),

  475.   av_get_sample_fmt_string(),

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

  477.   avcodec_get_sample_fmt_name(),

  478.   avcodec_get_sample_fmt(),

  479.   avcodec_sample_fmt_string().

  480. 

  481. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  483.   SampleFormat.

  484. 

  485. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  487. 

  488. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  489.   Change demuxers to export metadata in generic format and

  490.   muxers to accept generic format. Deprecate the public

  491.   conversion API.

  492. 

  493. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  494.   Add time_base field to AVFilterLink.

  495. 

  496. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  498.   libavutil/opt.h.

  499. 

  500. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  503. 

  504. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  506.   libavutil/avstring.h.

  507. 

  508. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  510. 

  511. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  513. 

  514. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  517.   enabling it for your app!.

  518. 

  519. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  521. 

  522. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  524. 

  525. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  526.   Add av_get_cpu_flags().

  527. 

  528. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  529.   Add av_image_copy().

  530. 

  531. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  532.   Add av_image_copy_plane().

  533. 

  534. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  536.   deprecate the old names.

  537. 

  538. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  541. 

  542. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  543.   Add avcodec_get_channel_layout() in audioconvert.h.

  544. 

  545. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  546.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  547. 

  548. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  549.   Add av_fill_image_max_pixstep() in imgutils.h.

  550. 

  551. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  552.   Add the AV_NE macro.

  553. 

  554. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  555.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  557. 

  558. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  559.   Add av_get_image_linesize() in imgutils.h.

  560. 

  561. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  563. 

  564.   This change breaks libavfilter API/ABI.

  565. 

  566. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  567.   Add av_picture_data_copy in avcodec.h.

  568. 

  569. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  570.   Change avfilter_open() signature:

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

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

  573. 

  574.   This change breaks libavfilter API/ABI.

  575. 

  576. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  578.   properties to AVFilterBufferRefVideoProps.

  579. 

  580.   This change breaks libavfilter API/ABI.

  581. 

  582. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  583.   Rename AVFilterLink fields:

  584.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  585.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  586.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  587. 

  588. 2010-08-07 - r24731 - lavfi 1.30.0

  589.   Rename functions and fields:

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

  591.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  592.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  593. 

  594. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  595.   Rename AVFilterPicRef to AVFilterBufferRef.

  596. 

  597. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  598.   Move format field from AVFilterBuffer to AVFilterPicRef.

  599. 

  600. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  601.   Deprecate avcodec_check_dimensions() in favor of the function

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

  603. 

  604. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  605.   Increase size of the arrays AVFilterBuffer.data and

  606.   AVFilterBuffer.linesize from 4 to 8.

  607. 

  608.   This change breaks libavfilter ABI.

  609. 

  610. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  611.   Add functions av_fill_image_linesizes() and

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

  613. 

  614. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  615.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  617.   av_parse_video_size() and av_parse_video_rate() declared in

  618.   libavcore/parseutils.h.

  619. 

  620. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  621.   Add the M_PHI constant definition.

  622. 

  623. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  624.   Add a type field to AVFilterLink.

  625. 

  626.   Change the field types:

  627.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  630. 

  631.   Change the function signatures:

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

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

  634. 

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

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

  637. 

  638.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  639.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  640. 

  641.   This change breaks libavfilter API/ABI.

  642. 

  643. 2010-07-21 - r24393 - lavcore 0.0.0

  644.   Add libavcore.

  645. 

  646. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  647.   Remove w and h fields from AVFilterBuffer.

  648. 

  649. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  650.   Rename AVFilterPic to AVFilterBuffer.

  651. 

  652. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  654. 

  655. 2010-07-11 - r24199 - lavc 52.83.0

  656.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  657.   Add AVLPCType enum.

  658.   Deprecate AVCodecContext.use_lpc.

  659. 

  660. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  662.   avcodec_decode_subtitle.

  663. 

  664. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  666. 

  667. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  669. 

  670. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  671.   Add avfilter_copy_picref_props().

  672. 

  673. 2010-07-03 - r24021 - lavc 52.79.0

  674.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  675.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  676. 

  677. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  679.   lfg.h.

  680. 

  681. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  683.   set the alpha value to 255 by default.

  684. 

  685. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  686.   Add priv_data_size and priv_data_class to URLProtocol.

  687. 

  688. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  689.   Add url_alloc() and url_connect().

  690. 

  691. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  693. 

  694. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  696. 

  697. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  698.   Make the eval API public.

  699. 

  700. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  701.   Add AV_BASE64_SIZE() macro.

  702. 

  703. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  704.   Add av_get_codec_tag_string().

  705. 

  706. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  707.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  708. 

  709. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  710.   Add CODEC_CAP_EXPERIMENTAL flag.

  711.   NOTE: this was backported to 0.6

  712. 

  713. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  714.   Add av_get_random_seed().

  715. 

  716. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  718.   NOTE: this was backported to 0.6

  719. 

  720. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  721.   Add interlaced and top_field_first fields to AVFilterPicRef.

  722. 

  723. ------------------------------8<-------------------------------------

  724.                    0.6 branch was cut here

  725. ----------------------------->8--------------------------------------

  726. 

  727. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  728.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  730. 

  731. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  733.   existing tags.

  734. 

  735. 2010-04-01 - r22753 - lavc 52.66.0

  736.   Add avcodec_get_edge_width().

  737. 

  738. 2010-03-31 - r22750 - lavc 52.65.0

  739.   Add avcodec_copy_context().

  740. 

  741. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  742.   Make av_match_ext() public.

  743. 

  744. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  745.   Move AVMediaType enum from libavcodec to libavutil.

  746. 

  747. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  750. 

  751. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  752.   Implement av_strerror().

  753. 

  754. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  755.   Support DCT-I and DST-I.

  756. 

  757. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  758.   Add AVFormatContext.start_time_realtime field.

  759. 

  760. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  761.   Add AVFilterPicRef.pos field.

  762. 

  763. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  766. 

  767. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  768.   Add public FFT interface.

  769. 

  770. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  771.   Add av_stristr().

  772. 

  773. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  774.   Add av_tree_enumerate().

  775. 

  776. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  777.   Add av_compare_ts().

  778. 

  779. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  780.   Add sws_getCoefficients().

  781. 

  782. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  784.   'year' -> 'date'.

  785. 

  786. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  787.   Add av_get_pix_fmt().

  788. 

  789. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  790.   Change constness attributes of sws_scale() parameters.

  791. 

  792. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  793.   Add a log_ctx parameter to avfilter_graph_config_links().

  794. 

  795. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  797. 

  798. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  801. 

  802. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  803.   Add avfilter_add_colorspace().

  804. 

  805. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  807. 

  808. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  810. 

  811. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  812.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  813.   AV_METADATA_DONT_STRDUP_VAL.

  814. 

  815. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  816.   Add av_d2str().

  817. 

  818. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  819.   Add avg_frame_rate.

  820. 

  821. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  822.   Introduce the av_bmg_next() function.

  823. 

  824. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  825.   Add a slice_dir parameter to avfilter_draw_slice().

  826. 

  827. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  829. 

  830. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  831.   Introduce the avfilter_next() function.

  832. 

  833. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  836. 

  837. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  838.   Make the pixdesc.h API public.

  839. 

  840. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  842.   registration and management of the registered filters.

  843. 

  844. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  845.   Add a description field to AVFilter.

  846. 

  847. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  848.   Change the interface of avfilter_make_format_list() from

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

  850.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  851. 

  852. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  854.   parameters to it.

  855. 

  856. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  857.   Add w and h fields to AVFilterPic.

  858. 

  859. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  861. 

  862. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  865.   not work right without this.

  866. 

  867. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  869.   major version. Use AV_PKT_FLAG_KEY instead.

  870. 

  871. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  877.   correctly in a multi-threaded application.

  878. 

  879. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  881. 

  882. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  885. 

  886. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  891. 

  892. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  893.   Introduce the av_fifo_space() function.

  894. 

  895. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  897.   libavcodec/avcodec.h.

  898. 

  899. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  902.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  903.   PIX_FMT_BGR32_1 are now macros.

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

  905.   Re-sort the enum PixelFormat list accordingly.

  906.   This change breaks API/ABI backward compatibility.

  907. 

  908. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  909.   Add the enum PixelFormat values:

  910.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  911.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  912. 

  913. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  916.   instead.

  917. 

  918. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  919.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  920.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  921.   and av_fifo_realloc2.

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

  923.   was changed to match av_fifo_generic_write.

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

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

  926. 

  927. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  930.   includes the following structure fields:

  931.     - AVFormatContext.title

  932.     - AVFormatContext.author

  933.     - AVFormatContext.copyright

  934.     - AVFormatContext.comment

  935.     - AVFormatContext.album

  936.     - AVFormatContext.year

  937.     - AVFormatContext.track

  938.     - AVFormatContext.genre

  939.     - AVStream.language

  940.     - AVStream.filename

  941.     - AVProgram.provider_name

  942.     - AVProgram.name

  943.     - AVChapter.title