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

  2. since the last major version increase.

  3. 

  4. The last version increases were:

  5. libavcodec:  2011-04-18

  6. libavdevice: 2011-04-18

  7. libavfilter: 2011-04-18

  8. libavformat: 2011-04-18

  9. libpostproc: 2011-04-18

  10. libswscale:  2011-04-18

  11. libavutil:   2011-04-18

  12. 

  13. 

  14. API changes, most recent first:

  15. 

  16. 2011-05-01 - xxxxxxx - lavfi 2.4.0 - avfilter.h

  17.   Rename AVFilterBufferRefVideoProps.pixel_aspect to

  18.   sample_aspect_ratio.

  19. 

  20. 2011-05-01 - xxxxxxx - lavc 53.3.0 - AVFrame

  21.   Add a sample_aspect_ratio field to AVFrame.

  22. 

  23. 2011-05-01 - xxxxxxx - lavc 53.2.0 - AVFrame

  24.   Add a pkt_pos field to AVFrame.

  25. 

  26. 2011-04-xx - xxxxxxx - lavu 51.2.0 - mem.h

  27.   Add av_dynarray_add function for adding

  28.   an element to a dynamic array.

  29. 

  30. 2011-04-XX - bebe72f - lavu 51.1.0 - avutil.h

  31.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  33.   libavcodec/avcodec.h.

  34. 

  35. 2011-04-xx - 10d3940 - lavfi 2.3.0 - avfilter.h

  36.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  37. 

  38. 2011-04-xx - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  39.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  40. 

  41. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  42.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  43. 

  44. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  46.     4de339e introduce side information for AVPacket

  47.     2d8591c make containers pass palette change in AVPacket

  48. 

  49. 2011-04-12 - lavf 52.107.0 - avio.h

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

  51.     175389c add avio_check as a replacement for url_exist

  52.     ff1ec0c add avio_pause and avio_seek_time as replacements

  53.             for _av_url_read_fseek/fpause

  54.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  55.             should be used instead.

  56.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  58.     f8270bb add avio_enum_protocols.

  59.     5593f03 deprecate URLProtocol.

  60.     c486dad deprecate URLContext.

  61.     026e175 deprecate the typedef for URLInterruptCB

  62.     8e76a19 deprecate av_register_protocol2.

  63.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  64.     1305d93 deprecate av_url_read_seek

  65.     fa104e1 deprecate av_url_read_pause

  66.     727c7aa deprecate url_get_filename().

  67.     5958df3 deprecate url_max_packet_size().

  68.     1869ea0 deprecate url_get_file_handle().

  69.     32a97d4 deprecate url_filesize().

  70.     e52a914 deprecate url_close().

  71.     58a48c6 deprecate url_seek().

  72.     925e908 deprecate url_write().

  73.     dce3756 deprecate url_read_complete().

  74.     bc371ac deprecate url_read().

  75.     0589da0 deprecate url_open().

  76.     62eaaea deprecate url_connect.

  77.     5652bb9 deprecate url_alloc.

  78.     333e894 deprecate url_open_protocol

  79.     e230705 deprecate url_poll and URLPollEntry

  80. 

  81. 2011-04-10 - lavu  50.40.0 - pixfmt.h

  82.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  83. 

  84. 2011-04-08 - lavf 52.106.0 - avformat.h

  85.   Minor avformat.h cleanup:

  86.     a9bf9d8 deprecate av_guess_image2_codec

  87.     c3675df rename avf_sdp_create->av_sdp_create

  88. 

  89. 2011-04-03 - lavf 52.105.0 - avio.h

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

  91.     724f6a0 deprecate url_fdopen

  92.     403ee83 deprecate url_open_dyn_packet_buf

  93.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  94.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  95.     8978fed introduce an AVIOContext.seekable field as a replacement for

  96.             AVIOContext.is_streamed and url_is_streamed()

  97.     b64030f deprecate get_checksum()

  98.     4c4427a deprecate init_checksum()

  99.     4ec153b deprecate udp_set_remote_url/get_local_port

  100.     933e90a deprecate av_url_read_fseek/fpause

  101.     8d9769a deprecate url_fileno

  102.     b7f2fdd rename put_flush_packet -> avio_flush

  103.     35f1023 deprecate url_close_buf

  104.     83fddae deprecate url_open_buf

  105.     d9d86e0 rename url_fprintf -> avio_printf

  106.     59f65d9 deprecate url_setbufsize

  107.     3e68b3b deprecate url_ferror

  108.     66e5b1d deprecate url_feof

  109.     e8bb2e2 deprecate url_fget_max_packet_size

  110.     76aa876 rename url_fsize -> avio_size

  111.     e519753 deprecate url_fgetc

  112.     655e45e deprecate url_fgets

  113.     a2704c9 rename url_ftell -> avio_tell

  114.     e16ead0 deprecate get_strz() in favor of avio_get_str

  115.     0300db8,2af07d3 rename url_fskip -> avio_skip

  116.     6b4aa5d rename url_fseek -> avio_seek

  117.     61840b4 deprecate put_tag

  118.     22a3212 rename url_fopen/fclose -> avio_open/close.

  119.     0ac8e2b deprecate put_nbyte

  120.     77eb550 rename put_byte          -> avio_w8

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

  122.                    put_buffer        -> avio_write

  123.     b7effd4 rename get_byte          -> avio_r8,

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

  125.                    get_buffer        -> avio_read

  126.     b3db9ce deprecate get_partial_buffer

  127.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  128. 

  129. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  130.   Add audio_service_type field to AVCodecContext.

  131. 

  132. 2011-XX-XX - XXXXXXX - lavu  XX.XXX.X - pixfmt.h

  133.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  134. 

  135. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  136.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  137.   source stream timebase for outputting timestamps. Deprecate

  138.   av_pkt_dump and av_pkt_dump_log.

  139. 

  140. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  144.   * ae628ec - rename ByteIOContext to AVIOContext.

  145. 

  146. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  147.                        lavu  52.39.0  - parseutils.h

  148.   * 610219a - Add av_ prefix to dump_format().

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

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

  151. 

  152. 2011-02-15 - lavu 52.38.0 - merge libavcore

  153.   libavcore is merged back completely into libavutil

  154. 

  155. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  156.   Add vbv_delay field to AVCodecContext

  157. 

  158. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  159.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  160. 

  161. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  162.   Add sample_aspect_ratio field to AVFilterLink.

  163. 

  164. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  165.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  166. 

  167. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

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

  169.   set thread_count before calling avcodec_open.

  170. 

  171. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

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

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

  174.   Add thread_type and active_thread_type fields to AVCodecContext.

  175. 

  176. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  178.   ByteIOContext.

  179. 

  180. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  181.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  182. 

  183. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  184.   Add avformat_free_context() in avformat.h.

  185. 

  186. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  187.   Add CODEC_ID_PRORES to avcodec.h.

  188. 

  189. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

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

  191. 

  192. 2011-02-02 - lavf 52.95.0

  193.   * 50196a9 - add a new installed header version.h.

  194.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  196.     {put,get}_str*.

  197. 

  198. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  199.   Make av_dlog public.

  200. 

  201. 2011-01-31 - X - lavfi 1.76.0 - vsrc_buffer

  202.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  203. 

  204. 2011-01-31 - X - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio

  205.   Add sample_aspect_ratio field to AVFilterLink.

  206. 

  207. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  208.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  209. 

  210. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  211.   Add av_metadata_copy() in avformat.h.

  212. 

  213. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  214.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  215. 

  216. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  218.   to not mess up dts.

  219. 

  220. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  221.   Add pkt_pts to AVFrame.

  222. 

  223. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  224.   Add av_get_profile_name to libavcodec/avcodec.h.

  225. 

  226. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  227.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  228. 

  229. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  230.   Add av_find_best_stream to libavformat/avformat.h.

  231. 

  232. 2010-12-27 - r26103 - lavf 52.90.0

  233.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  234.   like e.g. text metadata.

  235. 

  236. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  238. 

  239. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  240.   Add "not found" error codes:

  241.   AVERROR_DEMUXER_NOT_FOUND

  242.   AVERROR_MUXER_NOT_FOUND

  243.   AVERROR_DECODER_NOT_FOUND

  244.   AVERROR_ENCODER_NOT_FOUND

  245.   AVERROR_PROTOCOL_NOT_FOUND

  246.   AVERROR_FILTER_NOT_FOUND

  247.   AVERROR_BSF_NOT_FOUND

  248.   AVERROR_STREAM_NOT_FOUND

  249. 

  250. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  251.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  252.   avcodec.h to avcore.h.

  253. 

  254. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  256. 

  257. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  258.   Deprecate avcodec_pix_fmt_string() in favor of

  259.   pixdesc.h/av_get_pix_fmt_string().

  260. 

  261. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  263. 

  264. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  266. 

  267. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  268.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  269.   avfilter.h.

  270. 

  271. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  273.   corresponding functions in libavcodec:

  274.   avcodec_get_channel_name()

  275.   avcodec_get_channel_layout()

  276.   avcodec_get_channel_layout_string()

  277.   avcodec_channel_layout_num_channels()

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

  279. 

  280. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  281.   Add av_append_packet().

  282. 

  283. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  284.   Add av_grow_packet().

  285. 

  286. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  288. 

  289. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  290.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  291.   fields.

  292. 

  293. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  294.   Make avfiltergraph.h public.

  295. 

  296. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  298.   avfilter_graph_check_validity()

  299.   avfilter_graph_config_links()

  300.   avfilter_graph_config_formats()

  301.   which are now internal.

  302.   Use avfilter_graph_config() instead.

  303. 

  304. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  305.   Deprecate functions:

  306.   av_parse_and_eval_expr(),

  307.   av_parse_expr(),

  308.   av_eval_expr(),

  309.   av_free_expr(),

  310.   in favor of the functions:

  311.   av_expr_parse_and_eval(),

  312.   av_expr_parse(),

  313.   av_expr_eval(),

  314.   av_expr_free().

  315. 

  316. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  317.   Rename avfilter_destroy() to avfilter_free().

  318.   This change breaks libavfilter API/ABI.

  319. 

  320. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  321.   Remove graphparser.h header, move AVFilterInOut and

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

  323. 

  324. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  325.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  326.   This change breaks libavfilter API.

  327. 

  328. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  329.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  330.   This change breaks libavfilter API/ABI.

  331. 

  332. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  334. 

  335. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  337.   deprecate av_get_bits_per_sample_format().

  338. 

  339. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  341.   av_get_sample_fmt_name(),

  342.   av_get_sample_fmt(),

  343.   av_get_sample_fmt_string(),

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

  345.   avcodec_get_sample_fmt_name(),

  346.   avcodec_get_sample_fmt(),

  347.   avcodec_sample_fmt_string().

  348. 

  349. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  351.   SampleFormat.

  352. 

  353. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  355. 

  356. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  357.   Change demuxers to export metadata in generic format and

  358.   muxers to accept generic format. Deprecate the public

  359.   conversion API.

  360. 

  361. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  362.   Add time_base field to AVFilterLink.

  363. 

  364. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  366.   libavutil/opt.h.

  367. 

  368. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  371. 

  372. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  374.   libavutil/avstring.h.

  375. 

  376. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  378. 

  379. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  381. 

  382. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  385.   enabling it for your app!.

  386. 

  387. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  389. 

  390. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  392. 

  393. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  394.   Add av_get_cpu_flags().

  395. 

  396. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  397.   Add av_image_copy().

  398. 

  399. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  400.   Add av_image_copy_plane().

  401. 

  402. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  404.   deprecate the old names.

  405. 

  406. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  409. 

  410. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  411.   Add avcodec_get_channel_layout() in audioconvert.h.

  412. 

  413. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  414.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  415. 

  416. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  417.   Add av_fill_image_max_pixstep() in imgutils.h.

  418. 

  419. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  420.   Add the AV_NE macro.

  421. 

  422. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  423.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  425. 

  426. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  427.   Add av_get_image_linesize() in imgutils.h.

  428. 

  429. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  431. 

  432.   This change breaks libavfilter API/ABI.

  433. 

  434. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  435.   Add av_picture_data_copy in avcodec.h.

  436. 

  437. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  438.   Change avfilter_open() signature:

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

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

  441. 

  442.   This change breaks libavfilter API/ABI.

  443. 

  444. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  446.   properties to AVFilterBufferRefVideoProps.

  447. 

  448.   This change breaks libavfilter API/ABI.

  449. 

  450. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  451.   Rename AVFilterLink fields:

  452.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  453.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  454.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  455. 

  456. 2010-08-07 - r24731 - lavfi 1.30.0

  457.   Rename functions and fields:

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

  459.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  460.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  461. 

  462. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  463.   Rename AVFilterPicRef to AVFilterBufferRef.

  464. 

  465. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  466.   Move format field from AVFilterBuffer to AVFilterPicRef.

  467. 

  468. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  469.   Deprecate avcodec_check_dimensions() in favor of the function

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

  471. 

  472. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  473.   Increase size of the arrays AVFilterBuffer.data and

  474.   AVFilterBuffer.linesize from 4 to 8.

  475. 

  476.   This change breaks libavfilter ABI.

  477. 

  478. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  479.   Add functions av_fill_image_linesizes() and

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

  481. 

  482. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  483.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  485.   av_parse_video_size() and av_parse_video_rate() declared in

  486.   libavcore/parseutils.h.

  487. 

  488. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  489.   Add the M_PHI constant definition.

  490. 

  491. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  492.   Add a type field to AVFilterLink.

  493. 

  494.   Change the field types:

  495.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  498. 

  499.   Change the function signatures:

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

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

  502. 

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

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

  505. 

  506.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  507.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  508. 

  509.   This change breaks libavfilter API/ABI.

  510. 

  511. 2010-07-21 - r24393 - lavcore 0.0.0

  512.   Add libavcore.

  513. 

  514. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  515.   Remove w and h fields from AVFilterBuffer.

  516. 

  517. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  518.   Rename AVFilterPic to AVFilterBuffer.

  519. 

  520. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  522. 

  523. 2010-07-11 - r24199 - lavc 52.83.0

  524.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  525.   Add AVLPCType enum.

  526.   Deprecate AVCodecContext.use_lpc.

  527. 

  528. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  530.   avcodec_decode_subtitle.

  531. 

  532. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  534. 

  535. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  537. 

  538. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  539.   Add avfilter_copy_picref_props().

  540. 

  541. 2010-07-03 - r24021 - lavc 52.79.0

  542.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  543.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  544. 

  545. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  547.   lfg.h.

  548. 

  549. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  551.   set the alpha value to 255 by default.

  552. 

  553. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  554.   Add priv_data_size and priv_data_class to URLProtocol.

  555. 

  556. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  557.   Add url_alloc() and url_connect().

  558. 

  559. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  561. 

  562. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  564. 

  565. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  566.   Make the eval API public.

  567. 

  568. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  569.   Add AV_BASE64_SIZE() macro.

  570. 

  571. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  572.   Add av_get_codec_tag_string().

  573. 

  574. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  575.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  576. 

  577. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  578.   Add CODEC_CAP_EXPERIMENTAL flag.

  579.   NOTE: this was backported to 0.6

  580. 

  581. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  582.   Add av_get_random_seed().

  583. 

  584. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  586.   NOTE: this was backported to 0.6

  587. 

  588. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  589.   Add interlaced and top_field_first fields to AVFilterPicRef.

  590. 

  591. ------------------------------8<-------------------------------------

  592.                    0.6 branch was cut here

  593. ----------------------------->8--------------------------------------

  594. 

  595. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  596.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  598. 

  599. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  601.   existing tags.

  602. 

  603. 2010-04-01 - r22753 - lavc 52.66.0

  604.   Add avcodec_get_edge_width().

  605. 

  606. 2010-03-31 - r22750 - lavc 52.65.0

  607.   Add avcodec_copy_context().

  608. 

  609. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  610.   Make av_match_ext() public.

  611. 

  612. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  613.   Move AVMediaType enum from libavcodec to libavutil.

  614. 

  615. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  618. 

  619. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  620.   Implement av_strerror().

  621. 

  622. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  623.   Support DCT-I and DST-I.

  624. 

  625. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  626.   Add AVFormatContext.start_time_realtime field.

  627. 

  628. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  629.   Add AVFilterPicRef.pos field.

  630. 

  631. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  634. 

  635. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  636.   Add public FFT interface.

  637. 

  638. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  639.   Add av_stristr().

  640. 

  641. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  642.   Add av_tree_enumerate().

  643. 

  644. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  645.   Add av_compare_ts().

  646. 

  647. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  648.   Add sws_getCoefficients().

  649. 

  650. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  652.   'year' -> 'date'.

  653. 

  654. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  655.   Add av_get_pix_fmt().

  656. 

  657. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  658.   Change constness attributes of sws_scale() parameters.

  659. 

  660. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  661.   Add a log_ctx parameter to avfilter_graph_config_links().

  662. 

  663. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  665. 

  666. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  669. 

  670. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  671.   Add avfilter_add_colorspace().

  672. 

  673. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  675. 

  676. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  678. 

  679. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  680.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  681.   AV_METADATA_DONT_STRDUP_VAL.

  682. 

  683. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  684.   Add av_d2str().

  685. 

  686. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  687.   Add avg_frame_rate.

  688. 

  689. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  690.   Introduce the av_bmg_next() function.

  691. 

  692. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  693.   Add a slice_dir parameter to avfilter_draw_slice().

  694. 

  695. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  697. 

  698. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  699.   Introduce the avfilter_next() function.

  700. 

  701. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  704. 

  705. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  706.   Make the pixdesc.h API public.

  707. 

  708. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  710.   registration and management of the registered filters.

  711. 

  712. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  713.   Add a description field to AVFilter.

  714. 

  715. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  716.   Change the interface of avfilter_make_format_list() from

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

  718.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  719. 

  720. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  722.   parameters to it.

  723. 

  724. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  725.   Add w and h fields to AVFilterPic.

  726. 

  727. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  729. 

  730. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  733.   not work right without this.

  734. 

  735. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  737.   major version. Use AV_PKT_FLAG_KEY instead.

  738. 

  739. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  745.   correctly in a multi-threaded application.

  746. 

  747. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  749. 

  750. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  753. 

  754. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  759. 

  760. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  761.   Introduce the av_fifo_space() function.

  762. 

  763. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  765.   libavcodec/avcodec.h.

  766. 

  767. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  770.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  771.   PIX_FMT_BGR32_1 are now macros.

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

  773.   Re-sort the enum PixelFormat list accordingly.

  774.   This change breaks API/ABI backward compatibility.

  775. 

  776. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  777.   Add the enum PixelFormat values:

  778.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  779.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  780. 

  781. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  784.   instead.

  785. 

  786. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  787.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  788.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  789.   and av_fifo_realloc2.

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

  791.   was changed to match av_fifo_generic_write.

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

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

  794. 

  795. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  798.   includes the following structure fields:

  799.     - AVFormatContext.title

  800.     - AVFormatContext.author

  801.     - AVFormatContext.copyright

  802.     - AVFormatContext.comment

  803.     - AVFormatContext.album

  804.     - AVFormatContext.year

  805.     - AVFormatContext.track

  806.     - AVFormatContext.genre

  807.     - AVStream.language

  808.     - AVStream.filename

  809.     - AVProgram.provider_name

  810.     - AVProgram.name

  811.     - AVChapter.title