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

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

  18. 

  19. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext

  20.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  21.   fields.

  22. 

  23. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h

  24.   Make avfiltergraph.h public.

  25. 

  26. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h

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

  28.   avfilter_graph_check_validity()

  29.   avfilter_graph_config_links()

  30.   avfilter_graph_config_formats()

  31.   which are now internal.

  32.   Use avfilter_graph_config() instead.

  33. 

  34. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h

  35.   Deprecate functions:

  36.   av_parse_and_eval_expr(),

  37.   av_parse_expr(),

  38.   av_eval_expr(),

  39.   av_free_expr(),

  40.   in favor of the functions:

  41.   av_expr_parse_and_eval(),

  42.   av_expr_parse(),

  43.   av_expr_eval(),

  44.   av_expr_free().

  45. 

  46. 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()

  47.   Rename avfilter_destroy() to avfilter_free().

  48.   This change breaks libavfilter API/ABI.

  49. 

  50. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h

  51.   Remove graphparser.h header, move AVFilterInOut and

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

  53. 

  54. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut

  55.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  56.   This change breaks libavfilter API.

  57. 

  58. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()

  59.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  60.   This change breaks libavfilter API/ABI.

  61. 

  62. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()

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

  64. 

  65. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

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

  67.   deprecate av_get_bits_per_sample_format().

  68. 

  69. 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h

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

  71.   av_get_sample_fmt_name(),

  72.   av_get_sample_fmt(),

  73.   av_get_sample_fmt_string(),

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

  75.   avcodec_get_sample_fmt_name(),

  76.   avcodec_get_sample_fmt(),

  77.   avcodec_sample_fmt_string().

  78. 

  79. 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h

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

  81.   SampleFormat.

  82. 

  83. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()

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

  85. 

  86. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API

  87.   Change demuxers to export metadata in generic format and

  88.   muxers to accept generic format. Deprecate the public

  89.   conversion API.

  90. 

  91. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base

  92.   Add time_base field to AVFilterLink.

  93. 

  94. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()

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

  96.   libavutil/opt.h.

  97. 

  98. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink

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

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

  101. 

  102. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()

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

  104.   libavutil/avstring.h.

  105. 

  106. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h

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

  108. 

  109. 2010-09-26 - r25210 - lavu 50.29.0 - opt.h

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

  111. 

  112. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()

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

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

  115.   enabling it for your app!.

  116. 

  117. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()

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

  119. 

  120. 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()

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

  122. 

  123. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()

  124.   Add av_get_cpu_flags().

  125. 

  126. 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()

  127.   Add av_image_copy().

  128. 

  129. 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()

  130.   Add av_image_copy_plane().

  131. 

  132. 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h

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

  134.   deprecate the old names.

  135. 

  136. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*

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

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

  139. 

  140. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()

  141.   Add avcodec_get_channel_layout() in audioconvert.h.

  142. 

  143. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  144.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  145. 

  146. 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()

  147.   Add av_fill_image_max_pixstep() in imgutils.h.

  148. 

  149. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()

  150.   Add the AV_NE macro.

  151. 

  152. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework

  153.   Implement AVFilterBufferRefAudioProps struct for audio properties,

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

  155. 

  156. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()

  157.   Add av_get_image_linesize() in imgutils.h.

  158. 

  159. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef

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

  161. 

  162.   This change breaks libavfilter API/ABI.

  163. 

  164. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()

  165.   Add av_picture_data_copy in avcodec.h.

  166. 

  167. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()

  168.   Change avfilter_open() signature:

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

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

  171. 

  172.   This change breaks libavfilter API/ABI.

  173. 

  174. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef

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

  176.   properties to AVFilterBufferRefVideoProps.

  177. 

  178.   This change breaks libavfilter API/ABI.

  179. 

  180. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink

  181.   Rename AVFilterLink fields:

  182.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  183.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  184.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  185. 

  186. 2010-08-07 - r24731 - lavfi 1.30.0

  187.   Rename functions and fields:

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

  189.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  190.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  191. 

  192. 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef

  193.   Rename AVFilterPicRef to AVFilterBufferRef.

  194. 

  195. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer

  196.   Move format field from AVFilterBuffer to AVFilterPicRef.

  197. 

  198. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()

  199.   Deprecate avcodec_check_dimensions() in favor of the function

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

  201. 

  202. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer

  203.   Increase size of the arrays AVFilterBuffer.data and

  204.   AVFilterBuffer.linesize from 4 to 8.

  205. 

  206.   This change breaks libavfilter ABI.

  207. 

  208. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h

  209.   Add functions av_fill_image_linesizes() and

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

  211. 

  212. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h

  213.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

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

  215.   av_parse_video_size() and av_parse_video_rate() declared in

  216.   libavcore/parseutils.h.

  217. 

  218. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h

  219.   Add the M_PHI constant definition.

  220. 

  221. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization

  222.   Add a type field to AVFilterLink.

  223. 

  224.   Change the field types:

  225.   enum PixelFormat format   -> int format   in AVFilterBuffer

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

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

  228. 

  229.   Change the function signatures:

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

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

  232. 

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

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

  235. 

  236.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  237.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  238. 

  239.   This change breaks libavfilter API/ABI.

  240. 

  241. 2010-07-21 - r24393 - lavcore 0.0.0

  242.   Add libavcore.

  243. 

  244. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer

  245.   Remove w and h fields from AVFilterBuffer.

  246. 

  247. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer

  248.   Rename AVFilterPic to AVFilterBuffer.

  249. 

  250. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()

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

  252. 

  253. 2010-07-11 - r24199 - lavc 52.83.0

  254.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  255.   Add AVLPCType enum.

  256.   Deprecate AVCodecContext.use_lpc.

  257. 

  258. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()

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

  260.   avcodec_decode_subtitle.

  261. 

  262. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h

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

  264. 

  265. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h

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

  267. 

  268. 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()

  269.   Add avfilter_copy_picref_props().

  270. 

  271. 2010-07-03 - r24021 - lavc 52.79.0

  272.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  273.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  274. 

  275. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h

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

  277.   lfg.h.

  278. 

  279. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()

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

  281.   set the alpha value to 255 by default.

  282. 

  283. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  284.   Add priv_data_size and priv_data_class to URLProtocol.

  285. 

  286. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()

  287.   Add url_alloc() and url_connect().

  288. 

  289. 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()

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

  291. 

  292. 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()

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

  294. 

  295. 2010-06-05 - r23485 - lavu 50.18.0 - eval API

  296.   Make the eval API public.

  297. 

  298. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE

  299.   Add AV_BASE64_SIZE() macro.

  300. 

  301. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()

  302.   Add av_get_codec_tag_string().

  303. 

  304. 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API

  305.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  306. 

  307. 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  308.   Add CODEC_CAP_EXPERIMENTAL flag.

  309. 

  310. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()

  311.   Add av_get_random_seed().

  312. 

  313. 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

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

  315. 

  316. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef

  317.   Add interlaced and top_field_first fields to AVFilterPicRef.

  318. 

  319. 2010-05-01 - r23002 - lavf 52.62.0 - probe function

  320.   Add av_probe_input_format2 to API, it allows ignoring probe

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

  322. 

  323. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API

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

  325.   existing tags.

  326. 

  327. 2010-04-01 - r22753 - lavc 52.66.0

  328.   Add avcodec_get_edge_width().

  329. 

  330. 2010-03-31 - r22750 - lavc 52.65.0

  331.   Add avcodec_copy_context().

  332. 

  333. 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()

  334.   Make av_match_ext() public.

  335. 

  336. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType

  337.   Move AVMediaType enum from libavcodec to libavutil.

  338. 

  339. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType

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

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

  342. 

  343. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()

  344.   Implement av_strerror().

  345. 

  346. 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()

  347.   Support DCT-I and DST-I.

  348. 

  349. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  350.   Add AVFormatContext.start_time_realtime field.

  351. 

  352. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos

  353.   Add AVFilterPicRef.pos field.

  354. 

  355. 2010-03-13 - r22501 - lavu 50.12.0 - error.h

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

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

  358. 

  359. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h

  360.   Add public FFT interface.

  361. 

  362. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()

  363.   Add av_stristr().

  364. 

  365. 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()

  366.   Add av_tree_enumerate().

  367. 

  368. 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()

  369.   Add av_compare_ts().

  370. 

  371. 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()

  372.   Add sws_getCoefficients().

  373. 

  374. 2010-02-01 - r21587 - lavf 52.50.0 - metadata API

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

  376.   'year' -> 'date'.

  377. 

  378. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()

  379.   Add av_get_pix_fmt().

  380. 

  381. 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()

  382.   Change constness attributes of sws_scale() parameters.

  383. 

  384. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()

  385.   Add a log_ctx parameter to avfilter_graph_config_links().

  386. 

  387. 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()

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

  389. 

  390. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()

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

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

  393. 

  394. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()

  395.   Add avfilter_add_colorspace().

  396. 

  397. 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()

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

  399. 

  400. 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()

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

  402. 

  403. 2009-12-13 - r20834 - lavf 52.43.0 - metadata API

  404.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  405.   AV_METADATA_DONT_STRDUP_VAL.

  406. 

  407. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API

  408.   Add av_d2str().

  409. 

  410. 2009-12-13 - r20826 - lavc 52.42.0 - AVStream

  411.   Add avg_frame_rate.

  412. 

  413. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()

  414.   Introduce the av_bmg_next() function.

  415. 

  416. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()

  417.   Add a slice_dir parameter to avfilter_draw_slice().

  418. 

  419. 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter

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

  421. 

  422. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()

  423.   Introduce the avfilter_next() function.

  424. 

  425. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()

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

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

  428. 

  429. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API

  430.   Make the pixdesc.h API public.

  431. 

  432. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next

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

  434.   registration and management of the registered filters.

  435. 

  436. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description

  437.   Add a description field to AVFilter.

  438. 

  439. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()

  440.   Change the interface of avfilter_make_format_list() from

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

  442.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  443. 

  444. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

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

  446.   parameters to it.

  447. 

  448. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  449.   Add w and h fields to AVFilterPic.

  450. 

  451. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

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

  453. 

  454. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

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

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

  457.   not work right without this.

  458. 

  459. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

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

  461.   major version. Use AV_PKT_FLAG_KEY instead.

  462. 

  463. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

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

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

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

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

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

  469.   correctly in a multi-threaded application.

  470. 

  471. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()

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

  473. 

  474. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

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

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

  477. 

  478. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

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

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

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

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

  483. 

  484. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()

  485.   Introduce the av_fifo_space() function.

  486. 

  487. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

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

  489.   libavcodec/avcodec.h.

  490. 

  491. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

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

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

  494.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  495.   PIX_FMT_BGR32_1 are now macros.

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

  497.   Re-sort the enum PixelFormat list accordingly.

  498.   This change breaks API/ABI backward compatibility.

  499. 

  500. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  501.   Add the enum PixelFormat values:

  502.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  503.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  504. 

  505. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

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

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

  508.   instead.

  509. 

  510. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  511.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  512.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  513.   and av_fifo_realloc2.

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

  515.   was changed to match av_fifo_generic_write.

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

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

  518. 

  519. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

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

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

  522.   includes the following structure fields:

  523.     - AVFormatContext.title

  524.     - AVFormatContext.author

  525.     - AVFormatContext.copyright

  526.     - AVFormatContext.comment

  527.     - AVFormatContext.album

  528.     - AVFormatContext.year

  529.     - AVFormatContext.track

  530.     - AVFormatContext.genre

  531.     - AVStream.language

  532.     - AVStream.filename

  533.     - AVProgram.provider_name

  534.     - AVProgram.name

  535.     - AVChapter.title