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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. 2011-11-23 - bbb46f3 - lavu 51.18.0

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

  18.   av_samples_alloc(), to samplefmt.h.

  19. 

  20. 2011-11-23 - 8889cc4 - lavu 51.17.0

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

  22. 

  23. 2011-11-19 - f3a29b7 - lavc 53.21.0

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

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

  26.   - fields moved:

  27.       AVCodecContext.internal_buffer       --> AVCodecInternal.buffer

  28.       AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count

  29.       AVCodecContext.is_copy               --> AVCodecInternal.is_copy

  30. 

  31. 2011-11-16 - 6270671 - lavu 51.16.0

  32.   Add av_timegm()

  33. 

  34. 2011-11-13 - lavf 53.15.0

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

  36.   interrupt callbacks.

  37.   6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to

  38.           AVFormatContext.

  39.   1dee0ac Add avio_open2() with additional parameters. Those are

  40.           an interrupt callback and an options AVDictionary.

  41.           This will allow passing AVOptions to protocols after lavf

  42.           54.0.

  43. 

  44. 2011-11-06 - ba04ecf - lavu 51.14.0

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

  46. 

  47. 2011-11-06 - 07b172f - lavu 51.13.0

  48.   Add av_toupper()/av_tolower()

  49. 

  50. 2011-11-05 - b6d08f4 - lavf 53.13.0

  51.   Add avformat_network_init()/avformat_network_uninit()

  52. 

  53. 2011-10-27 - 512557b - lavc 53.15.0

  54.   Remove avcodec_parse_frame.

  55.   Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.

  56. 

  57. 2011-10-19 - 569129a - lavf 53.10.0

  58.   Add avformat_new_stream(). Deprecate av_new_stream().

  59. 

  60. 2011-10-13 - b631fba - lavf 53.9.0

  61.   Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.

  62. 

  63. 2011-10-12 - lavu 51.12.0

  64.   AVOptions API rewrite.

  65. 

  66.   - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*

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

  68.         dac66da av_set_string3 -> av_opt_set

  69.                 av_set_double  -> av_opt_set_double

  70.                 av_set_q       -> av_opt_set_q

  71.                 av_set_int     -> av_opt_set_int

  72. 

  73.         41d9d51 av_get_string  -> av_opt_get

  74.                 av_get_double  -> av_opt_get_double

  75.                 av_get_q       -> av_opt_get_q

  76.                 av_get_int     -> av_opt_get_int

  77. 

  78.   - 8c5dcaa trivial rename av_next_option -> av_opt_next

  79.   - 641c7af new functions - av_opt_child_next, av_opt_child_class_next

  80.     and av_opt_find2()

  81. 

  82. 2011-09-03 - fb4ca26 - lavc 53.10.0

  83.                        lavf 53.6.0

  84.                        lsws  2.1.0

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

  86. 

  87. 2011-09-03 - c11fb82 - lavu 51.10.0

  88.   Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.

  89. 

  90. 2011-08-26 - f2011ed - lavu 51.9.0

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

  92. 

  93. 2011-08-16 - 48f9e45 - lavf 53.4.0

  94.   Add avformat_query_codec().

  95. 

  96. 2011-08-16 - bca06e7 - lavc 53.8.0

  97.   Add avcodec_get_type().

  98. 

  99. 2011-08-06 - 2f63440 - lavf 53.4.0

  100.   Add error_recognition to AVFormatContext.

  101. 

  102. 2011-08-02 - 9d39cbf - lavc 53.7.1

  103.   Add AV_PKT_FLAG_CORRUPT AVPacket flag.

  104. 

  105. 2011-07-10 - a67c061 - lavf 53.3.0

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

  107. 

  108. 2011-07-10 - 0b950fe - lavc 53.6.0

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

  110. 

  111. 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h

  112.   Add av_printf_format().

  113. 

  114. 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h

  115.   Add avformat_open_input and avformat_write_header().

  116.   Deprecate av_open_input_stream, av_open_input_file,

  117.   AVFormatParameters and av_write_header.

  118. 

  119. 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h

  120.   Add av_opt_set_dict() and av_opt_find().

  121.   Deprecate av_find_opt().

  122.   Add AV_DICT_APPEND flag.

  123. 

  124. 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h

  125.   Add av_opt_flag_is_set().

  126. 

  127. 2011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata

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

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

  130.   All av_metadata_* functions renamed to av_dict_*.

  131. 

  132. 2011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()

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

  134.   Deprecate av_get_bits_per_sample_fmt().

  135. 

  136. 2011-06-05 - b39b062 - lavu 51.3.0 - opt.h

  137.   Add av_opt_free convenience function.

  138. 

  139. 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h

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

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

  142. 

  143. 2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h

  144.   Add fps_probe_size to AVFormatContext.

  145. 

  146. 2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt

  147.   Add request_sample_fmt field to AVCodecContext.

  148. 

  149. 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h

  150.   Deprecate AVLPCType and the following fields in

  151.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  152.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  153.   Corresponding FLAC encoder options should be used instead.

  154. 

  155. 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h

  156.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  158.   libavcodec/avcodec.h.

  159. 

  160. 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h

  161.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  162. 

  163. 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  164.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  165. 

  166. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  167.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  168. 

  169. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  171.     4de339e introduce side information for AVPacket

  172.     2d8591c make containers pass palette change in AVPacket

  173. 

  174. 2011-04-12 - lavf 52.107.0 - avio.h

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

  176.     175389c add avio_check as a replacement for url_exist

  177.     ff1ec0c add avio_pause and avio_seek_time as replacements

  178.             for _av_url_read_fseek/fpause

  179.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  180.             should be used instead.

  181.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  183.     f8270bb add avio_enum_protocols.

  184.     5593f03 deprecate URLProtocol.

  185.     c486dad deprecate URLContext.

  186.     026e175 deprecate the typedef for URLInterruptCB

  187.     8e76a19 deprecate av_register_protocol2.

  188.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  189.     1305d93 deprecate av_url_read_seek

  190.     fa104e1 deprecate av_url_read_pause

  191.     727c7aa deprecate url_get_filename().

  192.     5958df3 deprecate url_max_packet_size().

  193.     1869ea0 deprecate url_get_file_handle().

  194.     32a97d4 deprecate url_filesize().

  195.     e52a914 deprecate url_close().

  196.     58a48c6 deprecate url_seek().

  197.     925e908 deprecate url_write().

  198.     dce3756 deprecate url_read_complete().

  199.     bc371ac deprecate url_read().

  200.     0589da0 deprecate url_open().

  201.     62eaaea deprecate url_connect.

  202.     5652bb9 deprecate url_alloc.

  203.     333e894 deprecate url_open_protocol

  204.     e230705 deprecate url_poll and URLPollEntry

  205. 

  206. 2011-04-10 - lavu  50.40.0 - pixfmt.h

  207.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  208. 

  209. 2011-04-08 - lavf 52.106.0 - avformat.h

  210.   Minor avformat.h cleanup:

  211.     a9bf9d8 deprecate av_guess_image2_codec

  212.     c3675df rename avf_sdp_create->av_sdp_create

  213. 

  214. 2011-04-03 - lavf 52.105.0 - avio.h

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

  216.     724f6a0 deprecate url_fdopen

  217.     403ee83 deprecate url_open_dyn_packet_buf

  218.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  219.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  220.     8978fed introduce an AVIOContext.seekable field as a replacement for

  221.             AVIOContext.is_streamed and url_is_streamed()

  222.     b64030f deprecate get_checksum()

  223.     4c4427a deprecate init_checksum()

  224.     4ec153b deprecate udp_set_remote_url/get_local_port

  225.     933e90a deprecate av_url_read_fseek/fpause

  226.     8d9769a deprecate url_fileno

  227.     b7f2fdd rename put_flush_packet -> avio_flush

  228.     35f1023 deprecate url_close_buf

  229.     83fddae deprecate url_open_buf

  230.     d9d86e0 rename url_fprintf -> avio_printf

  231.     59f65d9 deprecate url_setbufsize

  232.     3e68b3b deprecate url_ferror

  233.     66e5b1d deprecate url_feof

  234.     e8bb2e2 deprecate url_fget_max_packet_size

  235.     76aa876 rename url_fsize -> avio_size

  236.     e519753 deprecate url_fgetc

  237.     655e45e deprecate url_fgets

  238.     a2704c9 rename url_ftell -> avio_tell

  239.     e16ead0 deprecate get_strz() in favor of avio_get_str

  240.     0300db8,2af07d3 rename url_fskip -> avio_skip

  241.     6b4aa5d rename url_fseek -> avio_seek

  242.     61840b4 deprecate put_tag

  243.     22a3212 rename url_fopen/fclose -> avio_open/close.

  244.     0ac8e2b deprecate put_nbyte

  245.     77eb550 rename put_byte          -> avio_w8

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

  247.                    put_buffer        -> avio_write

  248.     b7effd4 rename get_byte          -> avio_r8,

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

  250.                    get_buffer        -> avio_read

  251.     b3db9ce deprecate get_partial_buffer

  252.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  253. 

  254. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  255.   Add audio_service_type field to AVCodecContext.

  256. 

  257. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  258.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  259.   source stream timebase for outputting timestamps. Deprecate

  260.   av_pkt_dump and av_pkt_dump_log.

  261. 

  262. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  266.   * ae628ec - rename ByteIOContext to AVIOContext.

  267. 

  268. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  269.                        lavu  52.39.0  - parseutils.h

  270.   * 610219a - Add av_ prefix to dump_format().

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

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

  273. 

  274. 2011-02-15 - lavu 52.38.0 - merge libavcore

  275.   libavcore is merged back completely into libavutil

  276. 

  277. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  278.   Add vbv_delay field to AVCodecContext

  279. 

  280. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  281.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  282. 

  283. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  284.   Add sample_aspect_ratio field to AVFilterLink.

  285. 

  286. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  287.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  288. 

  289. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

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

  291.   set thread_count before calling avcodec_open.

  292. 

  293. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

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

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

  296.   Add thread_type and active_thread_type fields to AVCodecContext.

  297. 

  298. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  300.   ByteIOContext.

  301. 

  302. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  303.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  304. 

  305. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  306.   Add avformat_free_context() in avformat.h.

  307. 

  308. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  309.   Add CODEC_ID_PRORES to avcodec.h.

  310. 

  311. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

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

  313. 

  314. 2011-02-02 - lavf 52.95.0

  315.   * 50196a9 - add a new installed header version.h.

  316.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  318.     {put,get}_str*.

  319. 

  320. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  321.   Make av_dlog public.

  322. 

  323. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  324.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  325. 

  326. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  327.   Add av_metadata_copy() in avformat.h.

  328. 

  329. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  330.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  331. 

  332. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  334.   to not mess up dts.

  335. 

  336. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  337.   Add pkt_pts to AVFrame.

  338. 

  339. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  340.   Add av_get_profile_name to libavcodec/avcodec.h.

  341. 

  342. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  343.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  344. 

  345. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  346.   Add av_find_best_stream to libavformat/avformat.h.

  347. 

  348. 2010-12-27 - r26103 - lavf 52.90.0

  349.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  350.   like e.g. text metadata.

  351. 

  352. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  354. 

  355. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  356.   Add "not found" error codes:

  357.   AVERROR_DEMUXER_NOT_FOUND

  358.   AVERROR_MUXER_NOT_FOUND

  359.   AVERROR_DECODER_NOT_FOUND

  360.   AVERROR_ENCODER_NOT_FOUND

  361.   AVERROR_PROTOCOL_NOT_FOUND

  362.   AVERROR_FILTER_NOT_FOUND

  363.   AVERROR_BSF_NOT_FOUND

  364.   AVERROR_STREAM_NOT_FOUND

  365. 

  366. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  367.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  368.   avcodec.h to avcore.h.

  369. 

  370. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  372. 

  373. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  374.   Deprecate avcodec_pix_fmt_string() in favor of

  375.   pixdesc.h/av_get_pix_fmt_string().

  376. 

  377. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  379. 

  380. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  382. 

  383. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  384.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  385.   avfilter.h.

  386. 

  387. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  389.   corresponding functions in libavcodec:

  390.   avcodec_get_channel_name()

  391.   avcodec_get_channel_layout()

  392.   avcodec_get_channel_layout_string()

  393.   avcodec_channel_layout_num_channels()

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

  395. 

  396. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  397.   Add av_append_packet().

  398. 

  399. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  400.   Add av_grow_packet().

  401. 

  402. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  404. 

  405. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  406.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  407.   fields.

  408. 

  409. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  410.   Make avfiltergraph.h public.

  411. 

  412. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  414.   avfilter_graph_check_validity()

  415.   avfilter_graph_config_links()

  416.   avfilter_graph_config_formats()

  417.   which are now internal.

  418.   Use avfilter_graph_config() instead.

  419. 

  420. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  421.   Deprecate functions:

  422.   av_parse_and_eval_expr(),

  423.   av_parse_expr(),

  424.   av_eval_expr(),

  425.   av_free_expr(),

  426.   in favor of the functions:

  427.   av_expr_parse_and_eval(),

  428.   av_expr_parse(),

  429.   av_expr_eval(),

  430.   av_expr_free().

  431. 

  432. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  433.   Rename avfilter_destroy() to avfilter_free().

  434.   This change breaks libavfilter API/ABI.

  435. 

  436. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  437.   Remove graphparser.h header, move AVFilterInOut and

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

  439. 

  440. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  441.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  442.   This change breaks libavfilter API.

  443. 

  444. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  445.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  446.   This change breaks libavfilter API/ABI.

  447. 

  448. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  450. 

  451. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  453.   deprecate av_get_bits_per_sample_format().

  454. 

  455. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  457.   av_get_sample_fmt_name(),

  458.   av_get_sample_fmt(),

  459.   av_get_sample_fmt_string(),

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

  461.   avcodec_get_sample_fmt_name(),

  462.   avcodec_get_sample_fmt(),

  463.   avcodec_sample_fmt_string().

  464. 

  465. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  467.   SampleFormat.

  468. 

  469. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  471. 

  472. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  473.   Change demuxers to export metadata in generic format and

  474.   muxers to accept generic format. Deprecate the public

  475.   conversion API.

  476. 

  477. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  478.   Add time_base field to AVFilterLink.

  479. 

  480. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  482.   libavutil/opt.h.

  483. 

  484. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  487. 

  488. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  490.   libavutil/avstring.h.

  491. 

  492. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  494. 

  495. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  497. 

  498. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  501.   enabling it for your app!.

  502. 

  503. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  505. 

  506. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  508. 

  509. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  510.   Add av_get_cpu_flags().

  511. 

  512. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  513.   Add av_image_copy().

  514. 

  515. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  516.   Add av_image_copy_plane().

  517. 

  518. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  520.   deprecate the old names.

  521. 

  522. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  525. 

  526. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  527.   Add avcodec_get_channel_layout() in audioconvert.h.

  528. 

  529. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  530.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  531. 

  532. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  533.   Add av_fill_image_max_pixstep() in imgutils.h.

  534. 

  535. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  536.   Add the AV_NE macro.

  537. 

  538. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  539.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  541. 

  542. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  543.   Add av_get_image_linesize() in imgutils.h.

  544. 

  545. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  547. 

  548.   This change breaks libavfilter API/ABI.

  549. 

  550. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  551.   Add av_picture_data_copy in avcodec.h.

  552. 

  553. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  554.   Change avfilter_open() signature:

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

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

  557. 

  558.   This change breaks libavfilter API/ABI.

  559. 

  560. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  562.   properties to AVFilterBufferRefVideoProps.

  563. 

  564.   This change breaks libavfilter API/ABI.

  565. 

  566. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  567.   Rename AVFilterLink fields:

  568.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  569.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  570.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  571. 

  572. 2010-08-07 - r24731 - lavfi 1.30.0

  573.   Rename functions and fields:

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

  575.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  576.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  577. 

  578. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  579.   Rename AVFilterPicRef to AVFilterBufferRef.

  580. 

  581. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  582.   Move format field from AVFilterBuffer to AVFilterPicRef.

  583. 

  584. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  585.   Deprecate avcodec_check_dimensions() in favor of the function

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

  587. 

  588. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  589.   Increase size of the arrays AVFilterBuffer.data and

  590.   AVFilterBuffer.linesize from 4 to 8.

  591. 

  592.   This change breaks libavfilter ABI.

  593. 

  594. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  595.   Add functions av_fill_image_linesizes() and

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

  597. 

  598. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  599.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  601.   av_parse_video_size() and av_parse_video_rate() declared in

  602.   libavcore/parseutils.h.

  603. 

  604. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  605.   Add the M_PHI constant definition.

  606. 

  607. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  608.   Add a type field to AVFilterLink.

  609. 

  610.   Change the field types:

  611.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  614. 

  615.   Change the function signatures:

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

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

  618. 

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

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

  621. 

  622.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  623.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  624. 

  625.   This change breaks libavfilter API/ABI.

  626. 

  627. 2010-07-21 - r24393 - lavcore 0.0.0

  628.   Add libavcore.

  629. 

  630. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  631.   Remove w and h fields from AVFilterBuffer.

  632. 

  633. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  634.   Rename AVFilterPic to AVFilterBuffer.

  635. 

  636. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  638. 

  639. 2010-07-11 - r24199 - lavc 52.83.0

  640.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  641.   Add AVLPCType enum.

  642.   Deprecate AVCodecContext.use_lpc.

  643. 

  644. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  646.   avcodec_decode_subtitle.

  647. 

  648. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  650. 

  651. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  653. 

  654. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  655.   Add avfilter_copy_picref_props().

  656. 

  657. 2010-07-03 - r24021 - lavc 52.79.0

  658.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  659.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  660. 

  661. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  663.   lfg.h.

  664. 

  665. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  667.   set the alpha value to 255 by default.

  668. 

  669. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  670.   Add priv_data_size and priv_data_class to URLProtocol.

  671. 

  672. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  673.   Add url_alloc() and url_connect().

  674. 

  675. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  677. 

  678. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  680. 

  681. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  682.   Make the eval API public.

  683. 

  684. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  685.   Add AV_BASE64_SIZE() macro.

  686. 

  687. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  688.   Add av_get_codec_tag_string().

  689. 

  690. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  691.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  692. 

  693. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  694.   Add CODEC_CAP_EXPERIMENTAL flag.

  695.   NOTE: this was backported to 0.6

  696. 

  697. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  698.   Add av_get_random_seed().

  699. 

  700. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  702.   NOTE: this was backported to 0.6

  703. 

  704. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  705.   Add interlaced and top_field_first fields to AVFilterPicRef.

  706. 

  707. ------------------------------8<-------------------------------------

  708.                    0.6 branch was cut here

  709. ----------------------------->8--------------------------------------

  710. 

  711. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  712.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  714. 

  715. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  717.   existing tags.

  718. 

  719. 2010-04-01 - r22753 - lavc 52.66.0

  720.   Add avcodec_get_edge_width().

  721. 

  722. 2010-03-31 - r22750 - lavc 52.65.0

  723.   Add avcodec_copy_context().

  724. 

  725. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  726.   Make av_match_ext() public.

  727. 

  728. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  729.   Move AVMediaType enum from libavcodec to libavutil.

  730. 

  731. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  734. 

  735. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  736.   Implement av_strerror().

  737. 

  738. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  739.   Support DCT-I and DST-I.

  740. 

  741. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  742.   Add AVFormatContext.start_time_realtime field.

  743. 

  744. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  745.   Add AVFilterPicRef.pos field.

  746. 

  747. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  750. 

  751. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  752.   Add public FFT interface.

  753. 

  754. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  755.   Add av_stristr().

  756. 

  757. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  758.   Add av_tree_enumerate().

  759. 

  760. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  761.   Add av_compare_ts().

  762. 

  763. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  764.   Add sws_getCoefficients().

  765. 

  766. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  768.   'year' -> 'date'.

  769. 

  770. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  771.   Add av_get_pix_fmt().

  772. 

  773. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  774.   Change constness attributes of sws_scale() parameters.

  775. 

  776. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  777.   Add a log_ctx parameter to avfilter_graph_config_links().

  778. 

  779. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  781. 

  782. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  785. 

  786. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  787.   Add avfilter_add_colorspace().

  788. 

  789. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  791. 

  792. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  794. 

  795. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  796.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  797.   AV_METADATA_DONT_STRDUP_VAL.

  798. 

  799. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  800.   Add av_d2str().

  801. 

  802. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  803.   Add avg_frame_rate.

  804. 

  805. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  806.   Introduce the av_bmg_next() function.

  807. 

  808. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  809.   Add a slice_dir parameter to avfilter_draw_slice().

  810. 

  811. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  813. 

  814. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  815.   Introduce the avfilter_next() function.

  816. 

  817. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  820. 

  821. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  822.   Make the pixdesc.h API public.

  823. 

  824. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  826.   registration and management of the registered filters.

  827. 

  828. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  829.   Add a description field to AVFilter.

  830. 

  831. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  832.   Change the interface of avfilter_make_format_list() from

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

  834.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  835. 

  836. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  838.   parameters to it.

  839. 

  840. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  841.   Add w and h fields to AVFilterPic.

  842. 

  843. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  845. 

  846. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  849.   not work right without this.

  850. 

  851. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  853.   major version. Use AV_PKT_FLAG_KEY instead.

  854. 

  855. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  861.   correctly in a multi-threaded application.

  862. 

  863. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  865. 

  866. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  869. 

  870. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  875. 

  876. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  877.   Introduce the av_fifo_space() function.

  878. 

  879. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  881.   libavcodec/avcodec.h.

  882. 

  883. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  886.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  887.   PIX_FMT_BGR32_1 are now macros.

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

  889.   Re-sort the enum PixelFormat list accordingly.

  890.   This change breaks API/ABI backward compatibility.

  891. 

  892. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  893.   Add the enum PixelFormat values:

  894.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  895.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  896. 

  897. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  900.   instead.

  901. 

  902. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  903.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  904.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  905.   and av_fifo_realloc2.

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

  907.   was changed to match av_fifo_generic_write.

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

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

  910. 

  911. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  914.   includes the following structure fields:

  915.     - AVFormatContext.title

  916.     - AVFormatContext.author

  917.     - AVFormatContext.copyright

  918.     - AVFormatContext.comment

  919.     - AVFormatContext.album

  920.     - AVFormatContext.year

  921.     - AVFormatContext.track

  922.     - AVFormatContext.genre

  923.     - AVStream.language

  924.     - AVStream.filename

  925.     - AVProgram.provider_name

  926.     - AVProgram.name

  927.     - AVChapter.title