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

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

  17. 

  18. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  19.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  20.   avfilter.h.

  21. 

  22. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h

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

  24.   corresponding functions in libavcodec:

  25.   avcodec_get_channel_name()

  26.   avcodec_get_channel_layout()

  27.   avcodec_get_channel_layout_string()

  28.   avcodec_channel_layout_num_channels()

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

  30. 

  31. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h

  32.   Add av_append_packet().

  33. 

  34. 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h

  35.   Add av_grow_packet().

  36. 

  37. 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h

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

  39. 

  40. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  41.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  42.   fields.

  43. 

  44. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  45.   Make avfiltergraph.h public.

  46. 

  47. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  49.   avfilter_graph_check_validity()

  50.   avfilter_graph_config_links()

  51.   avfilter_graph_config_formats()

  52.   which are now internal.

  53.   Use avfilter_graph_config() instead.

  54. 

  55. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  56.   Deprecate functions:

  57.   av_parse_and_eval_expr(),

  58.   av_parse_expr(),

  59.   av_eval_expr(),

  60.   av_free_expr(),

  61.   in favor of the functions:

  62.   av_expr_parse_and_eval(),

  63.   av_expr_parse(),

  64.   av_expr_eval(),

  65.   av_expr_free().

  66. 

  67. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  68.   Rename avfilter_destroy() to avfilter_free().

  69.   This change breaks libavfilter API/ABI.

  70. 

  71. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  72.   Remove graphparser.h header, move AVFilterInOut and

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

  74. 

  75. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  76.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  77.   This change breaks libavfilter API.

  78. 

  79. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  80.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  81.   This change breaks libavfilter API/ABI.

  82. 

  83. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  85. 

  86. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  88.   deprecate av_get_bits_per_sample_format().

  89. 

  90. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  92.   av_get_sample_fmt_name(),

  93.   av_get_sample_fmt(),

  94.   av_get_sample_fmt_string(),

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

  96.   avcodec_get_sample_fmt_name(),

  97.   avcodec_get_sample_fmt(),

  98.   avcodec_sample_fmt_string().

  99. 

  100. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  102.   SampleFormat.

  103. 

  104. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  106. 

  107. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  108.   Change demuxers to export metadata in generic format and

  109.   muxers to accept generic format. Deprecate the public

  110.   conversion API.

  111. 

  112. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  113.   Add time_base field to AVFilterLink.

  114. 

  115. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  117.   libavutil/opt.h.

  118. 

  119. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  122. 

  123. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  125.   libavutil/avstring.h.

  126. 

  127. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  129. 

  130. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  132. 

  133. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  136.   enabling it for your app!.

  137. 

  138. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  140. 

  141. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  143. 

  144. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  145.   Add av_get_cpu_flags().

  146. 

  147. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  148.   Add av_image_copy().

  149. 

  150. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  151.   Add av_image_copy_plane().

  152. 

  153. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  155.   deprecate the old names.

  156. 

  157. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  160. 

  161. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  162.   Add avcodec_get_channel_layout() in audioconvert.h.

  163. 

  164. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  165.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  166. 

  167. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  168.   Add av_fill_image_max_pixstep() in imgutils.h.

  169. 

  170. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  171.   Add the AV_NE macro.

  172. 

  173. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  174.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  176. 

  177. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  178.   Add av_get_image_linesize() in imgutils.h.

  179. 

  180. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  182. 

  183.   This change breaks libavfilter API/ABI.

  184. 

  185. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  186.   Add av_picture_data_copy in avcodec.h.

  187. 

  188. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  189.   Change avfilter_open() signature:

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

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

  192. 

  193.   This change breaks libavfilter API/ABI.

  194. 

  195. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  197.   properties to AVFilterBufferRefVideoProps.

  198. 

  199.   This change breaks libavfilter API/ABI.

  200. 

  201. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  202.   Rename AVFilterLink fields:

  203.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  204.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  205.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  206. 

  207. 2010-08-07 - r24731 - lavfi 1.30.0

  208.   Rename functions and fields:

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

  210.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  211.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  212. 

  213. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  214.   Rename AVFilterPicRef to AVFilterBufferRef.

  215. 

  216. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  217.   Move format field from AVFilterBuffer to AVFilterPicRef.

  218. 

  219. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  220.   Deprecate avcodec_check_dimensions() in favor of the function

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

  222. 

  223. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  224.   Increase size of the arrays AVFilterBuffer.data and

  225.   AVFilterBuffer.linesize from 4 to 8.

  226. 

  227.   This change breaks libavfilter ABI.

  228. 

  229. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  230.   Add functions av_fill_image_linesizes() and

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

  232. 

  233. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  234.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  236.   av_parse_video_size() and av_parse_video_rate() declared in

  237.   libavcore/parseutils.h.

  238. 

  239. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  240.   Add the M_PHI constant definition.

  241. 

  242. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  243.   Add a type field to AVFilterLink.

  244. 

  245.   Change the field types:

  246.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  249. 

  250.   Change the function signatures:

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

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

  253. 

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

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

  256. 

  257.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  258.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  259. 

  260.   This change breaks libavfilter API/ABI.

  261. 

  262. 2010-07-21 - r24393 - lavcore 0.0.0

  263.   Add libavcore.

  264. 

  265. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  266.   Remove w and h fields from AVFilterBuffer.

  267. 

  268. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  269.   Rename AVFilterPic to AVFilterBuffer.

  270. 

  271. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  273. 

  274. 2010-07-11 - r24199 - lavc 52.83.0

  275.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  276.   Add AVLPCType enum.

  277.   Deprecate AVCodecContext.use_lpc.

  278. 

  279. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  281.   avcodec_decode_subtitle.

  282. 

  283. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  285. 

  286. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  288. 

  289. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  290.   Add avfilter_copy_picref_props().

  291. 

  292. 2010-07-03 - r24021 - lavc 52.79.0

  293.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  294.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  295. 

  296. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  298.   lfg.h.

  299. 

  300. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  302.   set the alpha value to 255 by default.

  303. 

  304. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  305.   Add priv_data_size and priv_data_class to URLProtocol.

  306. 

  307. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  308.   Add url_alloc() and url_connect().

  309. 

  310. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  312. 

  313. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  315. 

  316. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  317.   Make the eval API public.

  318. 

  319. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  320.   Add AV_BASE64_SIZE() macro.

  321. 

  322. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  323.   Add av_get_codec_tag_string().

  324. 

  325. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  326.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  327. 

  328. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  329.   Add CODEC_CAP_EXPERIMENTAL flag.

  330. 

  331. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  332.   Add av_get_random_seed().

  333. 

  334. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  336. 

  337. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  338.   Add interlaced and top_field_first fields to AVFilterPicRef.

  339. 

  340. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  341.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  343. 

  344. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  346.   existing tags.

  347. 

  348. 2010-04-01 - r22753 - lavc 52.66.0

  349.   Add avcodec_get_edge_width().

  350. 

  351. 2010-03-31 - r22750 - lavc 52.65.0

  352.   Add avcodec_copy_context().

  353. 

  354. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  355.   Make av_match_ext() public.

  356. 

  357. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  358.   Move AVMediaType enum from libavcodec to libavutil.

  359. 

  360. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  363. 

  364. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  365.   Implement av_strerror().

  366. 

  367. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  368.   Support DCT-I and DST-I.

  369. 

  370. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  371.   Add AVFormatContext.start_time_realtime field.

  372. 

  373. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  374.   Add AVFilterPicRef.pos field.

  375. 

  376. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  379. 

  380. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  381.   Add public FFT interface.

  382. 

  383. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  384.   Add av_stristr().

  385. 

  386. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  387.   Add av_tree_enumerate().

  388. 

  389. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  390.   Add av_compare_ts().

  391. 

  392. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  393.   Add sws_getCoefficients().

  394. 

  395. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  397.   'year' -> 'date'.

  398. 

  399. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  400.   Add av_get_pix_fmt().

  401. 

  402. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  403.   Change constness attributes of sws_scale() parameters.

  404. 

  405. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  406.   Add a log_ctx parameter to avfilter_graph_config_links().

  407. 

  408. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  410. 

  411. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  414. 

  415. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  416.   Add avfilter_add_colorspace().

  417. 

  418. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  420. 

  421. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  423. 

  424. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  425.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  426.   AV_METADATA_DONT_STRDUP_VAL.

  427. 

  428. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  429.   Add av_d2str().

  430. 

  431. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  432.   Add avg_frame_rate.

  433. 

  434. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  435.   Introduce the av_bmg_next() function.

  436. 

  437. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  438.   Add a slice_dir parameter to avfilter_draw_slice().

  439. 

  440. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  442. 

  443. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  444.   Introduce the avfilter_next() function.

  445. 

  446. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  449. 

  450. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  451.   Make the pixdesc.h API public.

  452. 

  453. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  455.   registration and management of the registered filters.

  456. 

  457. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  458.   Add a description field to AVFilter.

  459. 

  460. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  461.   Change the interface of avfilter_make_format_list() from

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

  463.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  464. 

  465. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  467.   parameters to it.

  468. 

  469. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  470.   Add w and h fields to AVFilterPic.

  471. 

  472. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  474. 

  475. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  478.   not work right without this.

  479. 

  480. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  482.   major version. Use AV_PKT_FLAG_KEY instead.

  483. 

  484. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  490.   correctly in a multi-threaded application.

  491. 

  492. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  494. 

  495. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  498. 

  499. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  504. 

  505. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  506.   Introduce the av_fifo_space() function.

  507. 

  508. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  510.   libavcodec/avcodec.h.

  511. 

  512. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  515.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  516.   PIX_FMT_BGR32_1 are now macros.

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

  518.   Re-sort the enum PixelFormat list accordingly.

  519.   This change breaks API/ABI backward compatibility.

  520. 

  521. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  522.   Add the enum PixelFormat values:

  523.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  524.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  525. 

  526. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  529.   instead.

  530. 

  531. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  532.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  533.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  534.   and av_fifo_realloc2.

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

  536.   was changed to match av_fifo_generic_write.

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

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

  539. 

  540. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  543.   includes the following structure fields:

  544.     - AVFormatContext.title

  545.     - AVFormatContext.author

  546.     - AVFormatContext.copyright

  547.     - AVFormatContext.comment

  548.     - AVFormatContext.album

  549.     - AVFormatContext.year

  550.     - AVFormatContext.track

  551.     - AVFormatContext.genre

  552.     - AVStream.language

  553.     - AVStream.filename

  554.     - AVProgram.provider_name

  555.     - AVProgram.name

  556.     - AVChapter.title