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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. 2011-10-xx - xxxxxxx - lavf 53.10.0

  17.   Add avformat_new_stream(). Deprecate av_new_stream().

  18. 

  19. 2011-xx-xx - xxxxxxx - lavf 53.9.0

  20.   Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.

  21. 

  22. 2011-10-12 - lavu 51.12.0

  23.   AVOptions API rewrite.

  24. 

  25.   - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*

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

  27.         dac66da av_set_string3 -> av_opt_set

  28.                 av_set_double  -> av_opt_set_double

  29.                 av_set_q       -> av_opt_set_q

  30.                 av_set_int     -> av_opt_set_int

  31. 

  32.         41d9d51 av_get_string  -> av_opt_get

  33.                 av_get_double  -> av_opt_get_double

  34.                 av_get_q       -> av_opt_get_q

  35.                 av_get_int     -> av_opt_get_int

  36. 

  37.   - 8c5dcaa trivial rename av_next_option -> av_opt_next

  38.   - 641c7af new functions - av_opt_child_next, av_opt_child_class_next

  39.     and av_opt_find2()

  40. 

  41. 2011-09-03 - fb4ca26 - lavc 53.10.0

  42.                        lavf 53.6.0

  43.                        lsws  2.1.0

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

  45. 

  46. 2011-09-03 - c11fb82 - lavu 51.10.0

  47.   Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.

  48. 

  49. 2011-08-26 - f2011ed - lavu 51.9.0

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

  51. 

  52. 2011-08-16 - 48f9e45 - lavf 53.4.0

  53.   Add avformat_query_codec().

  54. 

  55. 2011-08-16 - bca06e7 - lavc 53.8.0

  56.   Add avcodec_get_type().

  57. 

  58. 2011-08-06 - 2f63440 - lavf 53.4.0

  59.   Add error_recognition to AVFormatContext.

  60. 

  61. 2011-08-02 - 9d39cbf - lavc 53.7.1

  62.   Add AV_PKT_FLAG_CORRUPT AVPacket flag.

  63. 

  64. 2011-07-10 - a67c061 - lavf 53.3.0

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

  66. 

  67. 2011-07-10 - 0b950fe - lavc 53.6.0

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

  69. 

  70. 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h

  71.   Add av_printf_format().

  72. 

  73. 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h

  74.   Add avformat_open_input and avformat_write_header().

  75.   Deprecate av_open_input_stream, av_open_input_file,

  76.   AVFormatParameters and av_write_header.

  77. 

  78. 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h

  79.   Add av_opt_set_dict() and av_opt_find().

  80.   Deprecate av_find_opt().

  81.   Add AV_DICT_APPEND flag.

  82. 

  83. 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h

  84.   Add av_opt_flag_is_set().

  85. 

  86. 2011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata

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

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

  89.   All av_metadata_* functions renamed to av_dict_*.

  90. 

  91. 2011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()

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

  93.   Deprecate av_get_bits_per_sample_fmt().

  94. 

  95. 2011-06-05 - b39b062 - lavu 51.3.0 - opt.h

  96.   Add av_opt_free convenience function.

  97. 

  98. 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h

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

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

  101. 

  102. 2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h

  103.   Add fps_probe_size to AVFormatContext.

  104. 

  105. 2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt

  106.   Add request_sample_fmt field to AVCodecContext.

  107. 

  108. 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h

  109.   Deprecate AVLPCType and the following fields in

  110.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  111.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  112.   Corresponding FLAC encoder options should be used instead.

  113. 

  114. 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h

  115.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  117.   libavcodec/avcodec.h.

  118. 

  119. 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h

  120.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  121. 

  122. 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  123.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  124. 

  125. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  126.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  127. 

  128. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  130.     4de339e introduce side information for AVPacket

  131.     2d8591c make containers pass palette change in AVPacket

  132. 

  133. 2011-04-12 - lavf 52.107.0 - avio.h

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

  135.     175389c add avio_check as a replacement for url_exist

  136.     ff1ec0c add avio_pause and avio_seek_time as replacements

  137.             for _av_url_read_fseek/fpause

  138.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  139.             should be used instead.

  140.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  142.     f8270bb add avio_enum_protocols.

  143.     5593f03 deprecate URLProtocol.

  144.     c486dad deprecate URLContext.

  145.     026e175 deprecate the typedef for URLInterruptCB

  146.     8e76a19 deprecate av_register_protocol2.

  147.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  148.     1305d93 deprecate av_url_read_seek

  149.     fa104e1 deprecate av_url_read_pause

  150.     727c7aa deprecate url_get_filename().

  151.     5958df3 deprecate url_max_packet_size().

  152.     1869ea0 deprecate url_get_file_handle().

  153.     32a97d4 deprecate url_filesize().

  154.     e52a914 deprecate url_close().

  155.     58a48c6 deprecate url_seek().

  156.     925e908 deprecate url_write().

  157.     dce3756 deprecate url_read_complete().

  158.     bc371ac deprecate url_read().

  159.     0589da0 deprecate url_open().

  160.     62eaaea deprecate url_connect.

  161.     5652bb9 deprecate url_alloc.

  162.     333e894 deprecate url_open_protocol

  163.     e230705 deprecate url_poll and URLPollEntry

  164. 

  165. 2011-04-10 - lavu  50.40.0 - pixfmt.h

  166.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  167. 

  168. 2011-04-08 - lavf 52.106.0 - avformat.h

  169.   Minor avformat.h cleanup:

  170.     a9bf9d8 deprecate av_guess_image2_codec

  171.     c3675df rename avf_sdp_create->av_sdp_create

  172. 

  173. 2011-04-03 - lavf 52.105.0 - avio.h

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

  175.     724f6a0 deprecate url_fdopen

  176.     403ee83 deprecate url_open_dyn_packet_buf

  177.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  178.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  179.     8978fed introduce an AVIOContext.seekable field as a replacement for

  180.             AVIOContext.is_streamed and url_is_streamed()

  181.     b64030f deprecate get_checksum()

  182.     4c4427a deprecate init_checksum()

  183.     4ec153b deprecate udp_set_remote_url/get_local_port

  184.     933e90a deprecate av_url_read_fseek/fpause

  185.     8d9769a deprecate url_fileno

  186.     b7f2fdd rename put_flush_packet -> avio_flush

  187.     35f1023 deprecate url_close_buf

  188.     83fddae deprecate url_open_buf

  189.     d9d86e0 rename url_fprintf -> avio_printf

  190.     59f65d9 deprecate url_setbufsize

  191.     3e68b3b deprecate url_ferror

  192.     66e5b1d deprecate url_feof

  193.     e8bb2e2 deprecate url_fget_max_packet_size

  194.     76aa876 rename url_fsize -> avio_size

  195.     e519753 deprecate url_fgetc

  196.     655e45e deprecate url_fgets

  197.     a2704c9 rename url_ftell -> avio_tell

  198.     e16ead0 deprecate get_strz() in favor of avio_get_str

  199.     0300db8,2af07d3 rename url_fskip -> avio_skip

  200.     6b4aa5d rename url_fseek -> avio_seek

  201.     61840b4 deprecate put_tag

  202.     22a3212 rename url_fopen/fclose -> avio_open/close.

  203.     0ac8e2b deprecate put_nbyte

  204.     77eb550 rename put_byte          -> avio_w8

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

  206.                    put_buffer        -> avio_write

  207.     b7effd4 rename get_byte          -> avio_r8,

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

  209.                    get_buffer        -> avio_read

  210.     b3db9ce deprecate get_partial_buffer

  211.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  212. 

  213. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  214.   Add audio_service_type field to AVCodecContext.

  215. 

  216. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  217.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  218.   source stream timebase for outputting timestamps. Deprecate

  219.   av_pkt_dump and av_pkt_dump_log.

  220. 

  221. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  225.   * ae628ec - rename ByteIOContext to AVIOContext.

  226. 

  227. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  228.                        lavu  52.39.0  - parseutils.h

  229.   * 610219a - Add av_ prefix to dump_format().

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

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

  232. 

  233. 2011-02-15 - lavu 52.38.0 - merge libavcore

  234.   libavcore is merged back completely into libavutil

  235. 

  236. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  237.   Add vbv_delay field to AVCodecContext

  238. 

  239. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  240.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  241. 

  242. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  243.   Add sample_aspect_ratio field to AVFilterLink.

  244. 

  245. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  246.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  247. 

  248. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

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

  250.   set thread_count before calling avcodec_open.

  251. 

  252. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

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

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

  255.   Add thread_type and active_thread_type fields to AVCodecContext.

  256. 

  257. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  259.   ByteIOContext.

  260. 

  261. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  262.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  263. 

  264. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  265.   Add avformat_free_context() in avformat.h.

  266. 

  267. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  268.   Add CODEC_ID_PRORES to avcodec.h.

  269. 

  270. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

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

  272. 

  273. 2011-02-02 - lavf 52.95.0

  274.   * 50196a9 - add a new installed header version.h.

  275.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  277.     {put,get}_str*.

  278. 

  279. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  280.   Make av_dlog public.

  281. 

  282. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  283.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  284. 

  285. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  286.   Add av_metadata_copy() in avformat.h.

  287. 

  288. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  289.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  290. 

  291. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  293.   to not mess up dts.

  294. 

  295. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  296.   Add pkt_pts to AVFrame.

  297. 

  298. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  299.   Add av_get_profile_name to libavcodec/avcodec.h.

  300. 

  301. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  302.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  303. 

  304. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  305.   Add av_find_best_stream to libavformat/avformat.h.

  306. 

  307. 2010-12-27 - r26103 - lavf 52.90.0

  308.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  309.   like e.g. text metadata.

  310. 

  311. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  313. 

  314. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  315.   Add "not found" error codes:

  316.   AVERROR_DEMUXER_NOT_FOUND

  317.   AVERROR_MUXER_NOT_FOUND

  318.   AVERROR_DECODER_NOT_FOUND

  319.   AVERROR_ENCODER_NOT_FOUND

  320.   AVERROR_PROTOCOL_NOT_FOUND

  321.   AVERROR_FILTER_NOT_FOUND

  322.   AVERROR_BSF_NOT_FOUND

  323.   AVERROR_STREAM_NOT_FOUND

  324. 

  325. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  326.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  327.   avcodec.h to avcore.h.

  328. 

  329. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  331. 

  332. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  333.   Deprecate avcodec_pix_fmt_string() in favor of

  334.   pixdesc.h/av_get_pix_fmt_string().

  335. 

  336. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  338. 

  339. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  341. 

  342. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  343.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  344.   avfilter.h.

  345. 

  346. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  348.   corresponding functions in libavcodec:

  349.   avcodec_get_channel_name()

  350.   avcodec_get_channel_layout()

  351.   avcodec_get_channel_layout_string()

  352.   avcodec_channel_layout_num_channels()

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

  354. 

  355. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  356.   Add av_append_packet().

  357. 

  358. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  359.   Add av_grow_packet().

  360. 

  361. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  363. 

  364. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  365.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  366.   fields.

  367. 

  368. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  369.   Make avfiltergraph.h public.

  370. 

  371. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  373.   avfilter_graph_check_validity()

  374.   avfilter_graph_config_links()

  375.   avfilter_graph_config_formats()

  376.   which are now internal.

  377.   Use avfilter_graph_config() instead.

  378. 

  379. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  380.   Deprecate functions:

  381.   av_parse_and_eval_expr(),

  382.   av_parse_expr(),

  383.   av_eval_expr(),

  384.   av_free_expr(),

  385.   in favor of the functions:

  386.   av_expr_parse_and_eval(),

  387.   av_expr_parse(),

  388.   av_expr_eval(),

  389.   av_expr_free().

  390. 

  391. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  392.   Rename avfilter_destroy() to avfilter_free().

  393.   This change breaks libavfilter API/ABI.

  394. 

  395. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  396.   Remove graphparser.h header, move AVFilterInOut and

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

  398. 

  399. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  400.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  401.   This change breaks libavfilter API.

  402. 

  403. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  404.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  405.   This change breaks libavfilter API/ABI.

  406. 

  407. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  409. 

  410. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  412.   deprecate av_get_bits_per_sample_format().

  413. 

  414. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  416.   av_get_sample_fmt_name(),

  417.   av_get_sample_fmt(),

  418.   av_get_sample_fmt_string(),

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

  420.   avcodec_get_sample_fmt_name(),

  421.   avcodec_get_sample_fmt(),

  422.   avcodec_sample_fmt_string().

  423. 

  424. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  426.   SampleFormat.

  427. 

  428. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  430. 

  431. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  432.   Change demuxers to export metadata in generic format and

  433.   muxers to accept generic format. Deprecate the public

  434.   conversion API.

  435. 

  436. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  437.   Add time_base field to AVFilterLink.

  438. 

  439. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  441.   libavutil/opt.h.

  442. 

  443. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  446. 

  447. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  449.   libavutil/avstring.h.

  450. 

  451. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  453. 

  454. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  456. 

  457. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  460.   enabling it for your app!.

  461. 

  462. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  464. 

  465. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  467. 

  468. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  469.   Add av_get_cpu_flags().

  470. 

  471. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  472.   Add av_image_copy().

  473. 

  474. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  475.   Add av_image_copy_plane().

  476. 

  477. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  479.   deprecate the old names.

  480. 

  481. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  484. 

  485. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  486.   Add avcodec_get_channel_layout() in audioconvert.h.

  487. 

  488. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  489.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  490. 

  491. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  492.   Add av_fill_image_max_pixstep() in imgutils.h.

  493. 

  494. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  495.   Add the AV_NE macro.

  496. 

  497. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  498.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  500. 

  501. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  502.   Add av_get_image_linesize() in imgutils.h.

  503. 

  504. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  506. 

  507.   This change breaks libavfilter API/ABI.

  508. 

  509. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  510.   Add av_picture_data_copy in avcodec.h.

  511. 

  512. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  513.   Change avfilter_open() signature:

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

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

  516. 

  517.   This change breaks libavfilter API/ABI.

  518. 

  519. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  521.   properties to AVFilterBufferRefVideoProps.

  522. 

  523.   This change breaks libavfilter API/ABI.

  524. 

  525. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  526.   Rename AVFilterLink fields:

  527.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  528.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  529.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  530. 

  531. 2010-08-07 - r24731 - lavfi 1.30.0

  532.   Rename functions and fields:

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

  534.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  535.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  536. 

  537. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  538.   Rename AVFilterPicRef to AVFilterBufferRef.

  539. 

  540. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  541.   Move format field from AVFilterBuffer to AVFilterPicRef.

  542. 

  543. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  544.   Deprecate avcodec_check_dimensions() in favor of the function

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

  546. 

  547. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  548.   Increase size of the arrays AVFilterBuffer.data and

  549.   AVFilterBuffer.linesize from 4 to 8.

  550. 

  551.   This change breaks libavfilter ABI.

  552. 

  553. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  554.   Add functions av_fill_image_linesizes() and

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

  556. 

  557. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  558.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  560.   av_parse_video_size() and av_parse_video_rate() declared in

  561.   libavcore/parseutils.h.

  562. 

  563. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  564.   Add the M_PHI constant definition.

  565. 

  566. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  567.   Add a type field to AVFilterLink.

  568. 

  569.   Change the field types:

  570.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  573. 

  574.   Change the function signatures:

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

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

  577. 

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

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

  580. 

  581.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  582.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  583. 

  584.   This change breaks libavfilter API/ABI.

  585. 

  586. 2010-07-21 - r24393 - lavcore 0.0.0

  587.   Add libavcore.

  588. 

  589. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  590.   Remove w and h fields from AVFilterBuffer.

  591. 

  592. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  593.   Rename AVFilterPic to AVFilterBuffer.

  594. 

  595. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  597. 

  598. 2010-07-11 - r24199 - lavc 52.83.0

  599.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  600.   Add AVLPCType enum.

  601.   Deprecate AVCodecContext.use_lpc.

  602. 

  603. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  605.   avcodec_decode_subtitle.

  606. 

  607. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  609. 

  610. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  612. 

  613. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  614.   Add avfilter_copy_picref_props().

  615. 

  616. 2010-07-03 - r24021 - lavc 52.79.0

  617.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  618.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  619. 

  620. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  622.   lfg.h.

  623. 

  624. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  626.   set the alpha value to 255 by default.

  627. 

  628. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  629.   Add priv_data_size and priv_data_class to URLProtocol.

  630. 

  631. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  632.   Add url_alloc() and url_connect().

  633. 

  634. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  636. 

  637. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  639. 

  640. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  641.   Make the eval API public.

  642. 

  643. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  644.   Add AV_BASE64_SIZE() macro.

  645. 

  646. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  647.   Add av_get_codec_tag_string().

  648. 

  649. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  650.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  651. 

  652. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  653.   Add CODEC_CAP_EXPERIMENTAL flag.

  654.   NOTE: this was backported to 0.6

  655. 

  656. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  657.   Add av_get_random_seed().

  658. 

  659. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  661.   NOTE: this was backported to 0.6

  662. 

  663. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  664.   Add interlaced and top_field_first fields to AVFilterPicRef.

  665. 

  666. ------------------------------8<-------------------------------------

  667.                    0.6 branch was cut here

  668. ----------------------------->8--------------------------------------

  669. 

  670. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  671.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  673. 

  674. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  676.   existing tags.

  677. 

  678. 2010-04-01 - r22753 - lavc 52.66.0

  679.   Add avcodec_get_edge_width().

  680. 

  681. 2010-03-31 - r22750 - lavc 52.65.0

  682.   Add avcodec_copy_context().

  683. 

  684. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  685.   Make av_match_ext() public.

  686. 

  687. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  688.   Move AVMediaType enum from libavcodec to libavutil.

  689. 

  690. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  693. 

  694. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  695.   Implement av_strerror().

  696. 

  697. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  698.   Support DCT-I and DST-I.

  699. 

  700. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  701.   Add AVFormatContext.start_time_realtime field.

  702. 

  703. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  704.   Add AVFilterPicRef.pos field.

  705. 

  706. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  709. 

  710. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  711.   Add public FFT interface.

  712. 

  713. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  714.   Add av_stristr().

  715. 

  716. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  717.   Add av_tree_enumerate().

  718. 

  719. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  720.   Add av_compare_ts().

  721. 

  722. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  723.   Add sws_getCoefficients().

  724. 

  725. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  727.   'year' -> 'date'.

  728. 

  729. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  730.   Add av_get_pix_fmt().

  731. 

  732. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  733.   Change constness attributes of sws_scale() parameters.

  734. 

  735. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  736.   Add a log_ctx parameter to avfilter_graph_config_links().

  737. 

  738. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  740. 

  741. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  744. 

  745. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  746.   Add avfilter_add_colorspace().

  747. 

  748. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  750. 

  751. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  753. 

  754. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  755.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  756.   AV_METADATA_DONT_STRDUP_VAL.

  757. 

  758. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  759.   Add av_d2str().

  760. 

  761. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  762.   Add avg_frame_rate.

  763. 

  764. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  765.   Introduce the av_bmg_next() function.

  766. 

  767. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  768.   Add a slice_dir parameter to avfilter_draw_slice().

  769. 

  770. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  772. 

  773. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  774.   Introduce the avfilter_next() function.

  775. 

  776. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  779. 

  780. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  781.   Make the pixdesc.h API public.

  782. 

  783. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  785.   registration and management of the registered filters.

  786. 

  787. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  788.   Add a description field to AVFilter.

  789. 

  790. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  791.   Change the interface of avfilter_make_format_list() from

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

  793.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  794. 

  795. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  797.   parameters to it.

  798. 

  799. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  800.   Add w and h fields to AVFilterPic.

  801. 

  802. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  804. 

  805. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  808.   not work right without this.

  809. 

  810. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  812.   major version. Use AV_PKT_FLAG_KEY instead.

  813. 

  814. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  820.   correctly in a multi-threaded application.

  821. 

  822. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  824. 

  825. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  828. 

  829. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  834. 

  835. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  836.   Introduce the av_fifo_space() function.

  837. 

  838. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  840.   libavcodec/avcodec.h.

  841. 

  842. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  845.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  846.   PIX_FMT_BGR32_1 are now macros.

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

  848.   Re-sort the enum PixelFormat list accordingly.

  849.   This change breaks API/ABI backward compatibility.

  850. 

  851. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  852.   Add the enum PixelFormat values:

  853.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  854.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  855. 

  856. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  859.   instead.

  860. 

  861. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  862.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  863.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  864.   and av_fifo_realloc2.

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

  866.   was changed to match av_fifo_generic_write.

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

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

  869. 

  870. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  873.   includes the following structure fields:

  874.     - AVFormatContext.title

  875.     - AVFormatContext.author

  876.     - AVFormatContext.copyright

  877.     - AVFormatContext.comment

  878.     - AVFormatContext.album

  879.     - AVFormatContext.year

  880.     - AVFormatContext.track

  881.     - AVFormatContext.genre

  882.     - AVStream.language

  883.     - AVStream.filename

  884.     - AVProgram.provider_name

  885.     - AVProgram.name

  886.     - AVChapter.title