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

  2. the last major version increase.

  3. The last version increases were:

  4. libavcodec:  ?

  5. libavcore:   2010-07-21

  6. libavdevice: ?

  7. libavfilter: 2009-10-18

  8. libavformat: ?

  9. libpostproc: ?

  10. libswscale:  ?

  11. libavutil:   2009-03-08

  12. 

  13. 

  14. API changes, most recent first:

  15. 

  16. 2011-02-02 - lavf 52.95.0

  17.   * 50196a9 - add a new installed header version.h.

  18.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

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

  20.     {put,get}_str*.

  21. 

  22. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  23.   Make av_dlog public.

  24. 

  25. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  26.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  27. 

  28. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()

  29.   Add av_metadata_copy() in avformat.h.

  30. 

  31. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque

  32.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  33. 

  34. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts

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

  36.   to not mess up dts.

  37. 

  38. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts

  39.   Add pkt_pts to AVFrame.

  40. 

  41. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()

  42.   Add av_get_profile_name to libavcodec/avcodec.h.

  43. 

  44. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  45.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  46. 

  47. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()

  48.   Add av_find_best_stream to libavformat/avformat.h.

  49. 

  50. 2010-12-27 - r26103 - lavf 52.90.0

  51.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  52.   like e.g. text metadata.

  53. 

  54. 2010-12-22 - r26073 - lavu 50.36.0 - file.h

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

  56. 

  57. 2010-12-19 - r26056 - lavu 50.35.0 - error.h

  58.   Add "not found" error codes:

  59.   AVERROR_DEMUXER_NOT_FOUND

  60.   AVERROR_MUXER_NOT_FOUND

  61.   AVERROR_DECODER_NOT_FOUND

  62.   AVERROR_ENCODER_NOT_FOUND

  63.   AVERROR_PROTOCOL_NOT_FOUND

  64.   AVERROR_FILTER_NOT_FOUND

  65.   AVERROR_BSF_NOT_FOUND

  66.   AVERROR_STREAM_NOT_FOUND

  67. 

  68. 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h

  69.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  70.   avcodec.h to avcore.h.

  71. 

  72. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

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

  74. 

  75. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()

  76.   Deprecate avcodec_pix_fmt_string() in favor of

  77.   pixdesc.h/av_get_pix_fmt_string().

  78. 

  79. 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()

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

  81. 

  82. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()

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

  84. 

  85. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  86.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  87.   avfilter.h.

  88. 

  89. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  91.   corresponding functions in libavcodec:

  92.   avcodec_get_channel_name()

  93.   avcodec_get_channel_layout()

  94.   avcodec_get_channel_layout_string()

  95.   avcodec_channel_layout_num_channels()

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

  97. 

  98. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  99.   Add av_append_packet().

  100. 

  101. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  102.   Add av_grow_packet().

  103. 

  104. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  106. 

  107. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  108.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  109.   fields.

  110. 

  111. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  112.   Make avfiltergraph.h public.

  113. 

  114. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  116.   avfilter_graph_check_validity()

  117.   avfilter_graph_config_links()

  118.   avfilter_graph_config_formats()

  119.   which are now internal.

  120.   Use avfilter_graph_config() instead.

  121. 

  122. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  123.   Deprecate functions:

  124.   av_parse_and_eval_expr(),

  125.   av_parse_expr(),

  126.   av_eval_expr(),

  127.   av_free_expr(),

  128.   in favor of the functions:

  129.   av_expr_parse_and_eval(),

  130.   av_expr_parse(),

  131.   av_expr_eval(),

  132.   av_expr_free().

  133. 

  134. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  135.   Rename avfilter_destroy() to avfilter_free().

  136.   This change breaks libavfilter API/ABI.

  137. 

  138. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  139.   Remove graphparser.h header, move AVFilterInOut and

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

  141. 

  142. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  143.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  144.   This change breaks libavfilter API.

  145. 

  146. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  147.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  148.   This change breaks libavfilter API/ABI.

  149. 

  150. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  152. 

  153. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  155.   deprecate av_get_bits_per_sample_format().

  156. 

  157. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  159.   av_get_sample_fmt_name(),

  160.   av_get_sample_fmt(),

  161.   av_get_sample_fmt_string(),

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

  163.   avcodec_get_sample_fmt_name(),

  164.   avcodec_get_sample_fmt(),

  165.   avcodec_sample_fmt_string().

  166. 

  167. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  169.   SampleFormat.

  170. 

  171. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  173. 

  174. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  175.   Change demuxers to export metadata in generic format and

  176.   muxers to accept generic format. Deprecate the public

  177.   conversion API.

  178. 

  179. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  180.   Add time_base field to AVFilterLink.

  181. 

  182. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  184.   libavutil/opt.h.

  185. 

  186. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  189. 

  190. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  192.   libavutil/avstring.h.

  193. 

  194. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  196. 

  197. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  199. 

  200. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  203.   enabling it for your app!.

  204. 

  205. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  207. 

  208. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  210. 

  211. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  212.   Add av_get_cpu_flags().

  213. 

  214. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  215.   Add av_image_copy().

  216. 

  217. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  218.   Add av_image_copy_plane().

  219. 

  220. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  222.   deprecate the old names.

  223. 

  224. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  227. 

  228. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  229.   Add avcodec_get_channel_layout() in audioconvert.h.

  230. 

  231. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  232.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  233. 

  234. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  235.   Add av_fill_image_max_pixstep() in imgutils.h.

  236. 

  237. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  238.   Add the AV_NE macro.

  239. 

  240. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  241.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  243. 

  244. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  245.   Add av_get_image_linesize() in imgutils.h.

  246. 

  247. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  249. 

  250.   This change breaks libavfilter API/ABI.

  251. 

  252. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  253.   Add av_picture_data_copy in avcodec.h.

  254. 

  255. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  256.   Change avfilter_open() signature:

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

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

  259. 

  260.   This change breaks libavfilter API/ABI.

  261. 

  262. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  264.   properties to AVFilterBufferRefVideoProps.

  265. 

  266.   This change breaks libavfilter API/ABI.

  267. 

  268. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  269.   Rename AVFilterLink fields:

  270.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  271.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  272.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  273. 

  274. 2010-08-07 - r24731 - lavfi 1.30.0

  275.   Rename functions and fields:

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

  277.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  278.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  279. 

  280. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  281.   Rename AVFilterPicRef to AVFilterBufferRef.

  282. 

  283. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  284.   Move format field from AVFilterBuffer to AVFilterPicRef.

  285. 

  286. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  287.   Deprecate avcodec_check_dimensions() in favor of the function

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

  289. 

  290. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  291.   Increase size of the arrays AVFilterBuffer.data and

  292.   AVFilterBuffer.linesize from 4 to 8.

  293. 

  294.   This change breaks libavfilter ABI.

  295. 

  296. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  297.   Add functions av_fill_image_linesizes() and

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

  299. 

  300. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  301.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  303.   av_parse_video_size() and av_parse_video_rate() declared in

  304.   libavcore/parseutils.h.

  305. 

  306. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  307.   Add the M_PHI constant definition.

  308. 

  309. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  310.   Add a type field to AVFilterLink.

  311. 

  312.   Change the field types:

  313.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  316. 

  317.   Change the function signatures:

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

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

  320. 

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

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

  323. 

  324.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  325.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  326. 

  327.   This change breaks libavfilter API/ABI.

  328. 

  329. 2010-07-21 - r24393 - lavcore 0.0.0

  330.   Add libavcore.

  331. 

  332. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  333.   Remove w and h fields from AVFilterBuffer.

  334. 

  335. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  336.   Rename AVFilterPic to AVFilterBuffer.

  337. 

  338. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  340. 

  341. 2010-07-11 - r24199 - lavc 52.83.0

  342.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  343.   Add AVLPCType enum.

  344.   Deprecate AVCodecContext.use_lpc.

  345. 

  346. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  348.   avcodec_decode_subtitle.

  349. 

  350. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  352. 

  353. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  355. 

  356. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  357.   Add avfilter_copy_picref_props().

  358. 

  359. 2010-07-03 - r24021 - lavc 52.79.0

  360.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  361.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  362. 

  363. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  365.   lfg.h.

  366. 

  367. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  369.   set the alpha value to 255 by default.

  370. 

  371. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  372.   Add priv_data_size and priv_data_class to URLProtocol.

  373. 

  374. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  375.   Add url_alloc() and url_connect().

  376. 

  377. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  379. 

  380. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  382. 

  383. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  384.   Make the eval API public.

  385. 

  386. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  387.   Add AV_BASE64_SIZE() macro.

  388. 

  389. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  390.   Add av_get_codec_tag_string().

  391. 

  392. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  393.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  394. 

  395. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  396.   Add CODEC_CAP_EXPERIMENTAL flag.

  397. 

  398. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  399.   Add av_get_random_seed().

  400. 

  401. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  403. 

  404. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  405.   Add interlaced and top_field_first fields to AVFilterPicRef.

  406. 

  407. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  408.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  410. 

  411. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  413.   existing tags.

  414. 

  415. 2010-04-01 - r22753 - lavc 52.66.0

  416.   Add avcodec_get_edge_width().

  417. 

  418. 2010-03-31 - r22750 - lavc 52.65.0

  419.   Add avcodec_copy_context().

  420. 

  421. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  422.   Make av_match_ext() public.

  423. 

  424. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  425.   Move AVMediaType enum from libavcodec to libavutil.

  426. 

  427. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  430. 

  431. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  432.   Implement av_strerror().

  433. 

  434. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  435.   Support DCT-I and DST-I.

  436. 

  437. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  438.   Add AVFormatContext.start_time_realtime field.

  439. 

  440. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  441.   Add AVFilterPicRef.pos field.

  442. 

  443. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  446. 

  447. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  448.   Add public FFT interface.

  449. 

  450. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  451.   Add av_stristr().

  452. 

  453. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  454.   Add av_tree_enumerate().

  455. 

  456. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  457.   Add av_compare_ts().

  458. 

  459. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  460.   Add sws_getCoefficients().

  461. 

  462. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  464.   'year' -> 'date'.

  465. 

  466. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  467.   Add av_get_pix_fmt().

  468. 

  469. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  470.   Change constness attributes of sws_scale() parameters.

  471. 

  472. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  473.   Add a log_ctx parameter to avfilter_graph_config_links().

  474. 

  475. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  477. 

  478. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  481. 

  482. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  483.   Add avfilter_add_colorspace().

  484. 

  485. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  487. 

  488. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  490. 

  491. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  492.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  493.   AV_METADATA_DONT_STRDUP_VAL.

  494. 

  495. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  496.   Add av_d2str().

  497. 

  498. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  499.   Add avg_frame_rate.

  500. 

  501. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  502.   Introduce the av_bmg_next() function.

  503. 

  504. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  505.   Add a slice_dir parameter to avfilter_draw_slice().

  506. 

  507. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  509. 

  510. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  511.   Introduce the avfilter_next() function.

  512. 

  513. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  516. 

  517. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  518.   Make the pixdesc.h API public.

  519. 

  520. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  522.   registration and management of the registered filters.

  523. 

  524. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  525.   Add a description field to AVFilter.

  526. 

  527. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  528.   Change the interface of avfilter_make_format_list() from

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

  530.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  531. 

  532. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  534.   parameters to it.

  535. 

  536. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  537.   Add w and h fields to AVFilterPic.

  538. 

  539. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  541. 

  542. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  545.   not work right without this.

  546. 

  547. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  549.   major version. Use AV_PKT_FLAG_KEY instead.

  550. 

  551. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  557.   correctly in a multi-threaded application.

  558. 

  559. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  561. 

  562. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  565. 

  566. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  571. 

  572. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  573.   Introduce the av_fifo_space() function.

  574. 

  575. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  577.   libavcodec/avcodec.h.

  578. 

  579. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  582.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  583.   PIX_FMT_BGR32_1 are now macros.

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

  585.   Re-sort the enum PixelFormat list accordingly.

  586.   This change breaks API/ABI backward compatibility.

  587. 

  588. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  589.   Add the enum PixelFormat values:

  590.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  591.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  592. 

  593. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  596.   instead.

  597. 

  598. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  599.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  600.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  601.   and av_fifo_realloc2.

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

  603.   was changed to match av_fifo_generic_write.

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

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

  606. 

  607. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  610.   includes the following structure fields:

  611.     - AVFormatContext.title

  612.     - AVFormatContext.author

  613.     - AVFormatContext.copyright

  614.     - AVFormatContext.comment

  615.     - AVFormatContext.album

  616.     - AVFormatContext.year

  617.     - AVFormatContext.track

  618.     - AVFormatContext.genre

  619.     - AVStream.language

  620.     - AVStream.filename

  621.     - AVProgram.provider_name

  622.     - AVProgram.name

  623.     - AVChapter.title