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  1. Never assume the API of libav* to be stable unless at least 1 month has passed

  2. since the last major version increase.

  3. 

  4. The last version increases were:

  5. libavcodec:  2011-04-18

  6. libavdevice: 2011-04-18

  7. libavfilter: 2011-04-18

  8. libavformat: 2011-04-18

  9. libpostproc: 2011-04-18

  10. libswscale:  2011-06-20

  11. libavutil:   2011-04-18

  12. 

  13. 

  14. API changes, most recent first:

  15. 

  16. 2011-06-xx - xxxxxxx - lavu 51.8.0 - attributes.h

  17.   Add av_printf_format().

  18. 

  19. 2011-06-xx - xxxxxxx - lavf 53.2.0 - avformat.h

  20.   Add avformat_open_input and avformat_write_header().

  21.   Deprecate av_open_input_stream, av_open_input_file,

  22.   AVFormatParameters and av_write_header.

  23. 

  24. 2011-06-xx - xxxxxxx - lavu 51.7.0 - opt.h

  25.   Add av_opt_set_dict() and av_opt_find().

  26.   Deprecate av_find_opt().

  27.   Add AV_DICT_APPEND flag.

  28. 

  29. 2011-06-xx - xxxxxxx - lavu 51.6.0 - opt.h

  30.   Add av_opt_flag_is_set().

  31. 

  32. 2011-06-xx - xxxxxxx - lavu 51.5.0 - AVMetadata

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

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

  35.   All av_metadata_* functions renamed to av_dict_*.

  36. 

  37. 2011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()

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

  39.   Deprecate av_get_bits_per_sample_fmt().

  40. 

  41. 2011-06-xx - xxxxxxx - lavu 51.3.0 - opt.h

  42.   Add av_opt_free convenience function.

  43. 

  44. 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h

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

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

  47. 

  48. 2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h

  49.   Add fps_probe_size to AVFormatContext.

  50. 

  51. 2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt

  52.   Add request_sample_fmt field to AVCodecContext.

  53. 

  54. 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h

  55.   Deprecate AVLPCType and the following fields in

  56.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  57.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  58.   Corresponding FLAC encoder options should be used instead.

  59. 

  60. 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h

  61.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  63.   libavcodec/avcodec.h.

  64. 

  65. 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h

  66.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  67. 

  68. 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  69.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  70. 

  71. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  72.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  73. 

  74. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  76.     4de339e introduce side information for AVPacket

  77.     2d8591c make containers pass palette change in AVPacket

  78. 

  79. 2011-04-12 - lavf 52.107.0 - avio.h

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

  81.     175389c add avio_check as a replacement for url_exist

  82.     ff1ec0c add avio_pause and avio_seek_time as replacements

  83.             for _av_url_read_fseek/fpause

  84.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  85.             should be used instead.

  86.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  88.     f8270bb add avio_enum_protocols.

  89.     5593f03 deprecate URLProtocol.

  90.     c486dad deprecate URLContext.

  91.     026e175 deprecate the typedef for URLInterruptCB

  92.     8e76a19 deprecate av_register_protocol2.

  93.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  94.     1305d93 deprecate av_url_read_seek

  95.     fa104e1 deprecate av_url_read_pause

  96.     727c7aa deprecate url_get_filename().

  97.     5958df3 deprecate url_max_packet_size().

  98.     1869ea0 deprecate url_get_file_handle().

  99.     32a97d4 deprecate url_filesize().

  100.     e52a914 deprecate url_close().

  101.     58a48c6 deprecate url_seek().

  102.     925e908 deprecate url_write().

  103.     dce3756 deprecate url_read_complete().

  104.     bc371ac deprecate url_read().

  105.     0589da0 deprecate url_open().

  106.     62eaaea deprecate url_connect.

  107.     5652bb9 deprecate url_alloc.

  108.     333e894 deprecate url_open_protocol

  109.     e230705 deprecate url_poll and URLPollEntry

  110. 

  111. 2011-04-10 - lavu  50.40.0 - pixfmt.h

  112.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  113. 

  114. 2011-04-08 - lavf 52.106.0 - avformat.h

  115.   Minor avformat.h cleanup:

  116.     a9bf9d8 deprecate av_guess_image2_codec

  117.     c3675df rename avf_sdp_create->av_sdp_create

  118. 

  119. 2011-04-03 - lavf 52.105.0 - avio.h

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

  121.     724f6a0 deprecate url_fdopen

  122.     403ee83 deprecate url_open_dyn_packet_buf

  123.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  124.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  125.     8978fed introduce an AVIOContext.seekable field as a replacement for

  126.             AVIOContext.is_streamed and url_is_streamed()

  127.     b64030f deprecate get_checksum()

  128.     4c4427a deprecate init_checksum()

  129.     4ec153b deprecate udp_set_remote_url/get_local_port

  130.     933e90a deprecate av_url_read_fseek/fpause

  131.     8d9769a deprecate url_fileno

  132.     b7f2fdd rename put_flush_packet -> avio_flush

  133.     35f1023 deprecate url_close_buf

  134.     83fddae deprecate url_open_buf

  135.     d9d86e0 rename url_fprintf -> avio_printf

  136.     59f65d9 deprecate url_setbufsize

  137.     3e68b3b deprecate url_ferror

  138.     66e5b1d deprecate url_feof

  139.     e8bb2e2 deprecate url_fget_max_packet_size

  140.     76aa876 rename url_fsize -> avio_size

  141.     e519753 deprecate url_fgetc

  142.     655e45e deprecate url_fgets

  143.     a2704c9 rename url_ftell -> avio_tell

  144.     e16ead0 deprecate get_strz() in favor of avio_get_str

  145.     0300db8,2af07d3 rename url_fskip -> avio_skip

  146.     6b4aa5d rename url_fseek -> avio_seek

  147.     61840b4 deprecate put_tag

  148.     22a3212 rename url_fopen/fclose -> avio_open/close.

  149.     0ac8e2b deprecate put_nbyte

  150.     77eb550 rename put_byte          -> avio_w8

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

  152.                    put_buffer        -> avio_write

  153.     b7effd4 rename get_byte          -> avio_r8,

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

  155.                    get_buffer        -> avio_read

  156.     b3db9ce deprecate get_partial_buffer

  157.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  158. 

  159. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  160.   Add audio_service_type field to AVCodecContext.

  161. 

  162. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  163.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  164.   source stream timebase for outputting timestamps. Deprecate

  165.   av_pkt_dump and av_pkt_dump_log.

  166. 

  167. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  171.   * ae628ec - rename ByteIOContext to AVIOContext.

  172. 

  173. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  174.                        lavu  52.39.0  - parseutils.h

  175.   * 610219a - Add av_ prefix to dump_format().

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

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

  178. 

  179. 2011-02-15 - lavu 52.38.0 - merge libavcore

  180.   libavcore is merged back completely into libavutil

  181. 

  182. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  183.   Add vbv_delay field to AVCodecContext

  184. 

  185. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  186.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  187. 

  188. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  189.   Add sample_aspect_ratio field to AVFilterLink.

  190. 

  191. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  192.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  193. 

  194. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

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

  196.   set thread_count before calling avcodec_open.

  197. 

  198. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

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

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

  201.   Add thread_type and active_thread_type fields to AVCodecContext.

  202. 

  203. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  205.   ByteIOContext.

  206. 

  207. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  208.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  209. 

  210. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  211.   Add avformat_free_context() in avformat.h.

  212. 

  213. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  214.   Add CODEC_ID_PRORES to avcodec.h.

  215. 

  216. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

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

  218. 

  219. 2011-02-02 - lavf 52.95.0

  220.   * 50196a9 - add a new installed header version.h.

  221.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  223.     {put,get}_str*.

  224. 

  225. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  226.   Make av_dlog public.

  227. 

  228. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  229.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  230. 

  231. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  232.   Add av_metadata_copy() in avformat.h.

  233. 

  234. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  235.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  236. 

  237. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  239.   to not mess up dts.

  240. 

  241. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  242.   Add pkt_pts to AVFrame.

  243. 

  244. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  245.   Add av_get_profile_name to libavcodec/avcodec.h.

  246. 

  247. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  248.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  249. 

  250. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  251.   Add av_find_best_stream to libavformat/avformat.h.

  252. 

  253. 2010-12-27 - r26103 - lavf 52.90.0

  254.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  255.   like e.g. text metadata.

  256. 

  257. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  259. 

  260. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  261.   Add "not found" error codes:

  262.   AVERROR_DEMUXER_NOT_FOUND

  263.   AVERROR_MUXER_NOT_FOUND

  264.   AVERROR_DECODER_NOT_FOUND

  265.   AVERROR_ENCODER_NOT_FOUND

  266.   AVERROR_PROTOCOL_NOT_FOUND

  267.   AVERROR_FILTER_NOT_FOUND

  268.   AVERROR_BSF_NOT_FOUND

  269.   AVERROR_STREAM_NOT_FOUND

  270. 

  271. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  272.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  273.   avcodec.h to avcore.h.

  274. 

  275. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  277. 

  278. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  279.   Deprecate avcodec_pix_fmt_string() in favor of

  280.   pixdesc.h/av_get_pix_fmt_string().

  281. 

  282. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  284. 

  285. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  287. 

  288. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  289.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  290.   avfilter.h.

  291. 

  292. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  294.   corresponding functions in libavcodec:

  295.   avcodec_get_channel_name()

  296.   avcodec_get_channel_layout()

  297.   avcodec_get_channel_layout_string()

  298.   avcodec_channel_layout_num_channels()

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

  300. 

  301. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  302.   Add av_append_packet().

  303. 

  304. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  305.   Add av_grow_packet().

  306. 

  307. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  309. 

  310. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  311.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  312.   fields.

  313. 

  314. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  315.   Make avfiltergraph.h public.

  316. 

  317. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  319.   avfilter_graph_check_validity()

  320.   avfilter_graph_config_links()

  321.   avfilter_graph_config_formats()

  322.   which are now internal.

  323.   Use avfilter_graph_config() instead.

  324. 

  325. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  326.   Deprecate functions:

  327.   av_parse_and_eval_expr(),

  328.   av_parse_expr(),

  329.   av_eval_expr(),

  330.   av_free_expr(),

  331.   in favor of the functions:

  332.   av_expr_parse_and_eval(),

  333.   av_expr_parse(),

  334.   av_expr_eval(),

  335.   av_expr_free().

  336. 

  337. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  338.   Rename avfilter_destroy() to avfilter_free().

  339.   This change breaks libavfilter API/ABI.

  340. 

  341. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  342.   Remove graphparser.h header, move AVFilterInOut and

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

  344. 

  345. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  346.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  347.   This change breaks libavfilter API.

  348. 

  349. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  350.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  351.   This change breaks libavfilter API/ABI.

  352. 

  353. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  355. 

  356. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  358.   deprecate av_get_bits_per_sample_format().

  359. 

  360. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  362.   av_get_sample_fmt_name(),

  363.   av_get_sample_fmt(),

  364.   av_get_sample_fmt_string(),

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

  366.   avcodec_get_sample_fmt_name(),

  367.   avcodec_get_sample_fmt(),

  368.   avcodec_sample_fmt_string().

  369. 

  370. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  372.   SampleFormat.

  373. 

  374. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  376. 

  377. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  378.   Change demuxers to export metadata in generic format and

  379.   muxers to accept generic format. Deprecate the public

  380.   conversion API.

  381. 

  382. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  383.   Add time_base field to AVFilterLink.

  384. 

  385. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  387.   libavutil/opt.h.

  388. 

  389. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  392. 

  393. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  395.   libavutil/avstring.h.

  396. 

  397. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  399. 

  400. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  402. 

  403. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  406.   enabling it for your app!.

  407. 

  408. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  410. 

  411. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  413. 

  414. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  415.   Add av_get_cpu_flags().

  416. 

  417. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  418.   Add av_image_copy().

  419. 

  420. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  421.   Add av_image_copy_plane().

  422. 

  423. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  425.   deprecate the old names.

  426. 

  427. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  430. 

  431. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  432.   Add avcodec_get_channel_layout() in audioconvert.h.

  433. 

  434. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  435.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  436. 

  437. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  438.   Add av_fill_image_max_pixstep() in imgutils.h.

  439. 

  440. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  441.   Add the AV_NE macro.

  442. 

  443. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  444.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  446. 

  447. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  448.   Add av_get_image_linesize() in imgutils.h.

  449. 

  450. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  452. 

  453.   This change breaks libavfilter API/ABI.

  454. 

  455. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  456.   Add av_picture_data_copy in avcodec.h.

  457. 

  458. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  459.   Change avfilter_open() signature:

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

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

  462. 

  463.   This change breaks libavfilter API/ABI.

  464. 

  465. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  467.   properties to AVFilterBufferRefVideoProps.

  468. 

  469.   This change breaks libavfilter API/ABI.

  470. 

  471. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  472.   Rename AVFilterLink fields:

  473.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  474.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  475.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  476. 

  477. 2010-08-07 - r24731 - lavfi 1.30.0

  478.   Rename functions and fields:

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

  480.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  481.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  482. 

  483. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  484.   Rename AVFilterPicRef to AVFilterBufferRef.

  485. 

  486. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  487.   Move format field from AVFilterBuffer to AVFilterPicRef.

  488. 

  489. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  490.   Deprecate avcodec_check_dimensions() in favor of the function

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

  492. 

  493. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  494.   Increase size of the arrays AVFilterBuffer.data and

  495.   AVFilterBuffer.linesize from 4 to 8.

  496. 

  497.   This change breaks libavfilter ABI.

  498. 

  499. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  500.   Add functions av_fill_image_linesizes() and

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

  502. 

  503. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  504.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  506.   av_parse_video_size() and av_parse_video_rate() declared in

  507.   libavcore/parseutils.h.

  508. 

  509. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  510.   Add the M_PHI constant definition.

  511. 

  512. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  513.   Add a type field to AVFilterLink.

  514. 

  515.   Change the field types:

  516.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  519. 

  520.   Change the function signatures:

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

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

  523. 

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

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

  526. 

  527.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  528.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  529. 

  530.   This change breaks libavfilter API/ABI.

  531. 

  532. 2010-07-21 - r24393 - lavcore 0.0.0

  533.   Add libavcore.

  534. 

  535. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  536.   Remove w and h fields from AVFilterBuffer.

  537. 

  538. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  539.   Rename AVFilterPic to AVFilterBuffer.

  540. 

  541. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  543. 

  544. 2010-07-11 - r24199 - lavc 52.83.0

  545.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  546.   Add AVLPCType enum.

  547.   Deprecate AVCodecContext.use_lpc.

  548. 

  549. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  551.   avcodec_decode_subtitle.

  552. 

  553. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  555. 

  556. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  558. 

  559. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  560.   Add avfilter_copy_picref_props().

  561. 

  562. 2010-07-03 - r24021 - lavc 52.79.0

  563.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  564.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  565. 

  566. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  568.   lfg.h.

  569. 

  570. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  572.   set the alpha value to 255 by default.

  573. 

  574. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  575.   Add priv_data_size and priv_data_class to URLProtocol.

  576. 

  577. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  578.   Add url_alloc() and url_connect().

  579. 

  580. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  582. 

  583. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  585. 

  586. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  587.   Make the eval API public.

  588. 

  589. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  590.   Add AV_BASE64_SIZE() macro.

  591. 

  592. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  593.   Add av_get_codec_tag_string().

  594. 

  595. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  596.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  597. 

  598. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  599.   Add CODEC_CAP_EXPERIMENTAL flag.

  600.   NOTE: this was backported to 0.6

  601. 

  602. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  603.   Add av_get_random_seed().

  604. 

  605. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  607.   NOTE: this was backported to 0.6

  608. 

  609. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  610.   Add interlaced and top_field_first fields to AVFilterPicRef.

  611. 

  612. ------------------------------8<-------------------------------------

  613.                    0.6 branch was cut here

  614. ----------------------------->8--------------------------------------

  615. 

  616. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  617.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  619. 

  620. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  622.   existing tags.

  623. 

  624. 2010-04-01 - r22753 - lavc 52.66.0

  625.   Add avcodec_get_edge_width().

  626. 

  627. 2010-03-31 - r22750 - lavc 52.65.0

  628.   Add avcodec_copy_context().

  629. 

  630. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  631.   Make av_match_ext() public.

  632. 

  633. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  634.   Move AVMediaType enum from libavcodec to libavutil.

  635. 

  636. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  639. 

  640. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  641.   Implement av_strerror().

  642. 

  643. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  644.   Support DCT-I and DST-I.

  645. 

  646. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  647.   Add AVFormatContext.start_time_realtime field.

  648. 

  649. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  650.   Add AVFilterPicRef.pos field.

  651. 

  652. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  655. 

  656. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  657.   Add public FFT interface.

  658. 

  659. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  660.   Add av_stristr().

  661. 

  662. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  663.   Add av_tree_enumerate().

  664. 

  665. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  666.   Add av_compare_ts().

  667. 

  668. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  669.   Add sws_getCoefficients().

  670. 

  671. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  673.   'year' -> 'date'.

  674. 

  675. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  676.   Add av_get_pix_fmt().

  677. 

  678. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  679.   Change constness attributes of sws_scale() parameters.

  680. 

  681. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  682.   Add a log_ctx parameter to avfilter_graph_config_links().

  683. 

  684. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  686. 

  687. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  690. 

  691. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  692.   Add avfilter_add_colorspace().

  693. 

  694. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  696. 

  697. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  699. 

  700. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  701.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  702.   AV_METADATA_DONT_STRDUP_VAL.

  703. 

  704. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  705.   Add av_d2str().

  706. 

  707. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  708.   Add avg_frame_rate.

  709. 

  710. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  711.   Introduce the av_bmg_next() function.

  712. 

  713. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  714.   Add a slice_dir parameter to avfilter_draw_slice().

  715. 

  716. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  718. 

  719. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  720.   Introduce the avfilter_next() function.

  721. 

  722. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  725. 

  726. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  727.   Make the pixdesc.h API public.

  728. 

  729. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  731.   registration and management of the registered filters.

  732. 

  733. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  734.   Add a description field to AVFilter.

  735. 

  736. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  737.   Change the interface of avfilter_make_format_list() from

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

  739.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  740. 

  741. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  743.   parameters to it.

  744. 

  745. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  746.   Add w and h fields to AVFilterPic.

  747. 

  748. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  750. 

  751. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  754.   not work right without this.

  755. 

  756. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  758.   major version. Use AV_PKT_FLAG_KEY instead.

  759. 

  760. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  766.   correctly in a multi-threaded application.

  767. 

  768. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  770. 

  771. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  774. 

  775. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  780. 

  781. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  782.   Introduce the av_fifo_space() function.

  783. 

  784. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  786.   libavcodec/avcodec.h.

  787. 

  788. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  791.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  792.   PIX_FMT_BGR32_1 are now macros.

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

  794.   Re-sort the enum PixelFormat list accordingly.

  795.   This change breaks API/ABI backward compatibility.

  796. 

  797. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  798.   Add the enum PixelFormat values:

  799.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  800.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  801. 

  802. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  805.   instead.

  806. 

  807. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  808.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  809.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  810.   and av_fifo_realloc2.

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

  812.   was changed to match av_fifo_generic_write.

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

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

  815. 

  816. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  819.   includes the following structure fields:

  820.     - AVFormatContext.title

  821.     - AVFormatContext.author

  822.     - AVFormatContext.copyright

  823.     - AVFormatContext.comment

  824.     - AVFormatContext.album

  825.     - AVFormatContext.year

  826.     - AVFormatContext.track

  827.     - AVFormatContext.genre

  828.     - AVStream.language

  829.     - AVStream.filename

  830.     - AVProgram.provider_name

  831.     - AVProgram.name

  832.     - AVChapter.title