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

  17.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  18. 

  19. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  21.     4de339e introduce side information for AVPacket

  22.     2d8591c make containers pass palette change in AVPacket

  23. 

  24. 2011-04-12 - lavf 52.107.0 - avio.h

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

  26.     175389c add avio_check as a replacement for url_exist

  27.     ff1ec0c add avio_pause and avio_seek_time as replacements

  28.             for _av_url_read_fseek/fpause

  29.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  30.             should be used instead.

  31.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  33.     f8270bb add avio_enum_protocols.

  34.     5593f03 deprecate URLProtocol.

  35.     c486dad deprecate URLContext.

  36.     026e175 deprecate the typedef for URLInterruptCB

  37.     8e76a19 deprecate av_register_protocol2.

  38.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  39.     1305d93 deprecate av_url_read_seek

  40.     fa104e1 deprecate av_url_read_pause

  41.     727c7aa deprecate url_get_filename().

  42.     5958df3 deprecate url_max_packet_size().

  43.     1869ea0 deprecate url_get_file_handle().

  44.     32a97d4 deprecate url_filesize().

  45.     e52a914 deprecate url_close().

  46.     58a48c6 deprecate url_seek().

  47.     925e908 deprecate url_write().

  48.     dce3756 deprecate url_read_complete().

  49.     bc371ac deprecate url_read().

  50.     0589da0 deprecate url_open().

  51.     62eaaea deprecate url_connect.

  52.     5652bb9 deprecate url_alloc.

  53.     333e894 deprecate url_open_protocol

  54.     e230705 deprecate url_poll and URLPollEntry

  55. 

  56. 2011-04-10 - lavu  50.40.0 - pixfmt.h

  57.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  58. 

  59. 2011-04-08 - lavf 52.106.0 - avformat.h

  60.   Minor avformat.h cleanup:

  61.     a9bf9d8 deprecate av_guess_image2_codec

  62.     c3675df rename avf_sdp_create->av_sdp_create

  63. 

  64. 2011-04-03 - lavf 52.105.0 - avio.h

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

  66.     724f6a0 deprecate url_fdopen

  67.     403ee83 deprecate url_open_dyn_packet_buf

  68.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  69.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  70.     8978fed introduce an AVIOContext.seekable field as a replacement for

  71.             AVIOContext.is_streamed and url_is_streamed()

  72.     b64030f deprecate get_checksum()

  73.     4c4427a deprecate init_checksum()

  74.     4ec153b deprecate udp_set_remote_url/get_local_port

  75.     933e90a deprecate av_url_read_fseek/fpause

  76.     8d9769a deprecate url_fileno

  77.     b7f2fdd rename put_flush_packet -> avio_flush

  78.     35f1023 deprecate url_close_buf

  79.     83fddae deprecate url_open_buf

  80.     d9d86e0 rename url_fprintf -> avio_printf

  81.     59f65d9 deprecate url_setbufsize

  82.     3e68b3b deprecate url_ferror

  83.     66e5b1d deprecate url_feof

  84.     e8bb2e2 deprecate url_fget_max_packet_size

  85.     76aa876 rename url_fsize -> avio_size

  86.     e519753 deprecate url_fgetc

  87.     655e45e deprecate url_fgets

  88.     a2704c9 rename url_ftell -> avio_tell

  89.     e16ead0 deprecate get_strz() in favor of avio_get_str

  90.     0300db8,2af07d3 rename url_fskip -> avio_skip

  91.     6b4aa5d rename url_fseek -> avio_seek

  92.     61840b4 deprecate put_tag

  93.     22a3212 rename url_fopen/fclose -> avio_open/close.

  94.     0ac8e2b deprecate put_nbyte

  95.     77eb550 rename put_byte          -> avio_w8

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

  97.                    put_buffer        -> avio_write

  98.     b7effd4 rename get_byte          -> avio_r8,

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

  100.                    get_buffer        -> avio_read

  101.     b3db9ce deprecate get_partial_buffer

  102.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  103. 

  104. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  105.   Add audio_service_type field to AVCodecContext.

  106. 

  107. 2011-XX-XX - XXXXXXX - lavu  XX.XXX.X - pixfmt.h

  108.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  109. 

  110. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  111.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  112.   source stream timebase for outputting timestamps. Deprecate

  113.   av_pkt_dump and av_pkt_dump_log.

  114. 

  115. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  119.   * ae628ec - rename ByteIOContext to AVIOContext.

  120. 

  121. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  122.                        lavu  52.39.0  - parseutils.h

  123.   * 610219a - Add av_ prefix to dump_format().

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

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

  126. 

  127. 2011-02-15 - lavu 52.38.0 - merge libavcore

  128.   libavcore is merged back completely into libavutil

  129. 

  130. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  131.   Add vbv_delay field to AVCodecContext

  132. 

  133. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  134.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  135. 

  136. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  137.   Add sample_aspect_ratio field to AVFilterLink.

  138. 

  139. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  140.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  141. 

  142. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

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

  144.   set thread_count before calling avcodec_open.

  145. 

  146. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

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

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

  149.   Add thread_type and active_thread_type fields to AVCodecContext.

  150. 

  151. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  153.   ByteIOContext.

  154. 

  155. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  156.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  157. 

  158. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  159.   Add avformat_free_context() in avformat.h.

  160. 

  161. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  162.   Add CODEC_ID_PRORES to avcodec.h.

  163. 

  164. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

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

  166. 

  167. 2011-02-02 - lavf 52.95.0

  168.   * 50196a9 - add a new installed header version.h.

  169.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  171.     {put,get}_str*.

  172. 

  173. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  174.   Make av_dlog public.

  175. 

  176. 2011-01-31 - X - lavfi 1.76.0 - vsrc_buffer

  177.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  178. 

  179. 2011-01-31 - X - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio

  180.   Add sample_aspect_ratio field to AVFilterLink.

  181. 

  182. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  183.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  184. 

  185. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  186.   Add av_metadata_copy() in avformat.h.

  187. 

  188. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  189.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  190. 

  191. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  193.   to not mess up dts.

  194. 

  195. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  196.   Add pkt_pts to AVFrame.

  197. 

  198. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  199.   Add av_get_profile_name to libavcodec/avcodec.h.

  200. 

  201. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  202.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  203. 

  204. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  205.   Add av_find_best_stream to libavformat/avformat.h.

  206. 

  207. 2010-12-27 - r26103 - lavf 52.90.0

  208.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  209.   like e.g. text metadata.

  210. 

  211. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  213. 

  214. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  215.   Add "not found" error codes:

  216.   AVERROR_DEMUXER_NOT_FOUND

  217.   AVERROR_MUXER_NOT_FOUND

  218.   AVERROR_DECODER_NOT_FOUND

  219.   AVERROR_ENCODER_NOT_FOUND

  220.   AVERROR_PROTOCOL_NOT_FOUND

  221.   AVERROR_FILTER_NOT_FOUND

  222.   AVERROR_BSF_NOT_FOUND

  223.   AVERROR_STREAM_NOT_FOUND

  224. 

  225. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  226.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  227.   avcodec.h to avcore.h.

  228. 

  229. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  231. 

  232. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  233.   Deprecate avcodec_pix_fmt_string() in favor of

  234.   pixdesc.h/av_get_pix_fmt_string().

  235. 

  236. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  238. 

  239. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  241. 

  242. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  243.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  244.   avfilter.h.

  245. 

  246. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  248.   corresponding functions in libavcodec:

  249.   avcodec_get_channel_name()

  250.   avcodec_get_channel_layout()

  251.   avcodec_get_channel_layout_string()

  252.   avcodec_channel_layout_num_channels()

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

  254. 

  255. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  256.   Add av_append_packet().

  257. 

  258. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  259.   Add av_grow_packet().

  260. 

  261. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  263. 

  264. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  265.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  266.   fields.

  267. 

  268. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  269.   Make avfiltergraph.h public.

  270. 

  271. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  273.   avfilter_graph_check_validity()

  274.   avfilter_graph_config_links()

  275.   avfilter_graph_config_formats()

  276.   which are now internal.

  277.   Use avfilter_graph_config() instead.

  278. 

  279. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  280.   Deprecate functions:

  281.   av_parse_and_eval_expr(),

  282.   av_parse_expr(),

  283.   av_eval_expr(),

  284.   av_free_expr(),

  285.   in favor of the functions:

  286.   av_expr_parse_and_eval(),

  287.   av_expr_parse(),

  288.   av_expr_eval(),

  289.   av_expr_free().

  290. 

  291. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  292.   Rename avfilter_destroy() to avfilter_free().

  293.   This change breaks libavfilter API/ABI.

  294. 

  295. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  296.   Remove graphparser.h header, move AVFilterInOut and

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

  298. 

  299. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  300.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  301.   This change breaks libavfilter API.

  302. 

  303. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  304.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  305.   This change breaks libavfilter API/ABI.

  306. 

  307. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  309. 

  310. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  312.   deprecate av_get_bits_per_sample_format().

  313. 

  314. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  316.   av_get_sample_fmt_name(),

  317.   av_get_sample_fmt(),

  318.   av_get_sample_fmt_string(),

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

  320.   avcodec_get_sample_fmt_name(),

  321.   avcodec_get_sample_fmt(),

  322.   avcodec_sample_fmt_string().

  323. 

  324. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  326.   SampleFormat.

  327. 

  328. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  330. 

  331. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  332.   Change demuxers to export metadata in generic format and

  333.   muxers to accept generic format. Deprecate the public

  334.   conversion API.

  335. 

  336. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  337.   Add time_base field to AVFilterLink.

  338. 

  339. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  341.   libavutil/opt.h.

  342. 

  343. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  346. 

  347. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  349.   libavutil/avstring.h.

  350. 

  351. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  353. 

  354. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  356. 

  357. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  360.   enabling it for your app!.

  361. 

  362. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  364. 

  365. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  367. 

  368. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  369.   Add av_get_cpu_flags().

  370. 

  371. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  372.   Add av_image_copy().

  373. 

  374. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  375.   Add av_image_copy_plane().

  376. 

  377. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  379.   deprecate the old names.

  380. 

  381. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  384. 

  385. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  386.   Add avcodec_get_channel_layout() in audioconvert.h.

  387. 

  388. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  389.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  390. 

  391. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  392.   Add av_fill_image_max_pixstep() in imgutils.h.

  393. 

  394. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  395.   Add the AV_NE macro.

  396. 

  397. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  398.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  400. 

  401. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  402.   Add av_get_image_linesize() in imgutils.h.

  403. 

  404. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  406. 

  407.   This change breaks libavfilter API/ABI.

  408. 

  409. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  410.   Add av_picture_data_copy in avcodec.h.

  411. 

  412. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  413.   Change avfilter_open() signature:

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

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

  416. 

  417.   This change breaks libavfilter API/ABI.

  418. 

  419. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  421.   properties to AVFilterBufferRefVideoProps.

  422. 

  423.   This change breaks libavfilter API/ABI.

  424. 

  425. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  426.   Rename AVFilterLink fields:

  427.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  428.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  429.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  430. 

  431. 2010-08-07 - r24731 - lavfi 1.30.0

  432.   Rename functions and fields:

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

  434.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  435.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  436. 

  437. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  438.   Rename AVFilterPicRef to AVFilterBufferRef.

  439. 

  440. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  441.   Move format field from AVFilterBuffer to AVFilterPicRef.

  442. 

  443. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  444.   Deprecate avcodec_check_dimensions() in favor of the function

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

  446. 

  447. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  448.   Increase size of the arrays AVFilterBuffer.data and

  449.   AVFilterBuffer.linesize from 4 to 8.

  450. 

  451.   This change breaks libavfilter ABI.

  452. 

  453. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  454.   Add functions av_fill_image_linesizes() and

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

  456. 

  457. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  458.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  460.   av_parse_video_size() and av_parse_video_rate() declared in

  461.   libavcore/parseutils.h.

  462. 

  463. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  464.   Add the M_PHI constant definition.

  465. 

  466. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  467.   Add a type field to AVFilterLink.

  468. 

  469.   Change the field types:

  470.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  473. 

  474.   Change the function signatures:

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

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

  477. 

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

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

  480. 

  481.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  482.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  483. 

  484.   This change breaks libavfilter API/ABI.

  485. 

  486. 2010-07-21 - r24393 - lavcore 0.0.0

  487.   Add libavcore.

  488. 

  489. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  490.   Remove w and h fields from AVFilterBuffer.

  491. 

  492. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  493.   Rename AVFilterPic to AVFilterBuffer.

  494. 

  495. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  497. 

  498. 2010-07-11 - r24199 - lavc 52.83.0

  499.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  500.   Add AVLPCType enum.

  501.   Deprecate AVCodecContext.use_lpc.

  502. 

  503. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  505.   avcodec_decode_subtitle.

  506. 

  507. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  509. 

  510. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  512. 

  513. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  514.   Add avfilter_copy_picref_props().

  515. 

  516. 2010-07-03 - r24021 - lavc 52.79.0

  517.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  518.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  519. 

  520. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  522.   lfg.h.

  523. 

  524. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  526.   set the alpha value to 255 by default.

  527. 

  528. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  529.   Add priv_data_size and priv_data_class to URLProtocol.

  530. 

  531. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  532.   Add url_alloc() and url_connect().

  533. 

  534. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  536. 

  537. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  539. 

  540. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  541.   Make the eval API public.

  542. 

  543. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  544.   Add AV_BASE64_SIZE() macro.

  545. 

  546. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  547.   Add av_get_codec_tag_string().

  548. 

  549. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  550.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  551. 

  552. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  553.   Add CODEC_CAP_EXPERIMENTAL flag.

  554.   NOTE: this was backported to 0.6

  555. 

  556. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  557.   Add av_get_random_seed().

  558. 

  559. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  561.   NOTE: this was backported to 0.6

  562. 

  563. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  564.   Add interlaced and top_field_first fields to AVFilterPicRef.

  565. 

  566. ------------------------------8<-------------------------------------

  567.                    0.6 branch was cut here

  568. ----------------------------->8--------------------------------------

  569. 

  570. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  571.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  573. 

  574. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  576.   existing tags.

  577. 

  578. 2010-04-01 - r22753 - lavc 52.66.0

  579.   Add avcodec_get_edge_width().

  580. 

  581. 2010-03-31 - r22750 - lavc 52.65.0

  582.   Add avcodec_copy_context().

  583. 

  584. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  585.   Make av_match_ext() public.

  586. 

  587. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  588.   Move AVMediaType enum from libavcodec to libavutil.

  589. 

  590. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  593. 

  594. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  595.   Implement av_strerror().

  596. 

  597. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  598.   Support DCT-I and DST-I.

  599. 

  600. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  601.   Add AVFormatContext.start_time_realtime field.

  602. 

  603. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  604.   Add AVFilterPicRef.pos field.

  605. 

  606. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  609. 

  610. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  611.   Add public FFT interface.

  612. 

  613. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  614.   Add av_stristr().

  615. 

  616. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  617.   Add av_tree_enumerate().

  618. 

  619. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  620.   Add av_compare_ts().

  621. 

  622. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  623.   Add sws_getCoefficients().

  624. 

  625. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  627.   'year' -> 'date'.

  628. 

  629. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  630.   Add av_get_pix_fmt().

  631. 

  632. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  633.   Change constness attributes of sws_scale() parameters.

  634. 

  635. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  636.   Add a log_ctx parameter to avfilter_graph_config_links().

  637. 

  638. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  640. 

  641. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  644. 

  645. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  646.   Add avfilter_add_colorspace().

  647. 

  648. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  650. 

  651. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  653. 

  654. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  655.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  656.   AV_METADATA_DONT_STRDUP_VAL.

  657. 

  658. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  659.   Add av_d2str().

  660. 

  661. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  662.   Add avg_frame_rate.

  663. 

  664. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  665.   Introduce the av_bmg_next() function.

  666. 

  667. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  668.   Add a slice_dir parameter to avfilter_draw_slice().

  669. 

  670. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  672. 

  673. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  674.   Introduce the avfilter_next() function.

  675. 

  676. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  679. 

  680. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  681.   Make the pixdesc.h API public.

  682. 

  683. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  685.   registration and management of the registered filters.

  686. 

  687. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  688.   Add a description field to AVFilter.

  689. 

  690. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  691.   Change the interface of avfilter_make_format_list() from

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

  693.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  694. 

  695. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  697.   parameters to it.

  698. 

  699. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  700.   Add w and h fields to AVFilterPic.

  701. 

  702. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  704. 

  705. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  708.   not work right without this.

  709. 

  710. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  712.   major version. Use AV_PKT_FLAG_KEY instead.

  713. 

  714. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  720.   correctly in a multi-threaded application.

  721. 

  722. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  724. 

  725. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  728. 

  729. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  734. 

  735. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  736.   Introduce the av_fifo_space() function.

  737. 

  738. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  740.   libavcodec/avcodec.h.

  741. 

  742. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  745.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  746.   PIX_FMT_BGR32_1 are now macros.

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

  748.   Re-sort the enum PixelFormat list accordingly.

  749.   This change breaks API/ABI backward compatibility.

  750. 

  751. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  752.   Add the enum PixelFormat values:

  753.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  754.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  755. 

  756. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  759.   instead.

  760. 

  761. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  762.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  763.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  764.   and av_fifo_realloc2.

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

  766.   was changed to match av_fifo_generic_write.

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

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

  769. 

  770. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  773.   includes the following structure fields:

  774.     - AVFormatContext.title

  775.     - AVFormatContext.author

  776.     - AVFormatContext.copyright

  777.     - AVFormatContext.comment

  778.     - AVFormatContext.album

  779.     - AVFormatContext.year

  780.     - AVFormatContext.track

  781.     - AVFormatContext.genre

  782.     - AVStream.language

  783.     - AVStream.filename

  784.     - AVProgram.provider_name

  785.     - AVProgram.name

  786.     - AVChapter.title