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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:    2014-08-09

  6. libavdevice:   2014-08-09

  7. libavfilter:   2014-08-09

  8. libavformat:   2014-08-09

  9. libavresample: 2014-08-09

  10. libswscale:    2014-08-09

  11. libavutil:     2014-08-09

  12. 

  13. 

  14. API changes, most recent first:

  15. 

  16. 2015-xx-xx - xxxxxxx - lavu 54.12.0

  17.   Add AV_LOG_TRACE for extremely verbose debugging.

  18. 

  19. 2015-xx-xx - xxxxxxx - lavu 54.11.0

  20.   Add av_small_strptime().

  21. 

  22. 2015-xx-xx - xxxxxxx - lavc 56.22.0

  23.   Add FF_PROFILE_DTS_EXPRESS.

  24. 

  25. 2015-xx-xx - xxxxxxx - lavu 54.10.0

  26.   Add AV_PIX_FMT_MMAL for MMAL hardware acceleration.

  27. 

  28. 2015-xx-xx - xxxxxxx - lavc 56.13

  29.   Add width, height, coded_width, coded_height and format to

  30.   AVCodecParserContext.

  31. 

  32. 2015-xx-xx - xxxxxxx - lavu 54.9.0

  33.   Add AV_PIX_FMT_QSV for QSV hardware acceleration.

  34. 

  35. 2015-01-27 - 728685f - lavc 56.12.0, lavu 54.8.0 - avcodec.h, frame.h

  36.   Add AV_PKT_DATA_AUDIO_SERVICE_TYPE and AV_FRAME_DATA_AUDIO_SERVICE_TYPE for

  37.   storing the audio service type as side data.

  38. 

  39. 2015-01-14 - e2ad0b6 - lavu 54.6.0 - imgutils.h

  40.   Add utility functions for image manipulation: av_image_get_buffer_size()

  41.   av_image_fill_arrays() and av_image_copy_to_buffer().

  42. 

  43. 2014-12-25 - c220a60 - lavc 56.10.0 - vdpau.h

  44.   Add av_vdpau_get_surface_parameters().

  45. 

  46. 2014-12-25 - 6c99c92 - lavc 56.9.0 - avcodec.h

  47.   Add AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH flag to av_vdpau_bind_context().

  48. 

  49. 2014-12-25 - 57b6704 - lavc 56.8.0 - avcodec.h

  50.   Add AVCodecContext.sw_pix_fmt.

  51. 

  52. 2014-11-07 - 1384df6 - lavf 56.06.3 - avformat.h

  53.   Add AVFormatContext.avoid_negative_ts.

  54. 

  55. 2014-11-06 - 5e80fb7 - lavc 56.6.0 - vorbis_parser.h

  56.   Add a public API for parsing vorbis packets.

  57. 

  58. 2014-10-24 - 1bd0bdc - lavu 54.5.0 - time.h

  59.   Add av_gettime_relative().

  60. 

  61. 2014-10-15 - 7ea1b34 - lavc 56.5.0 - avcodec.h

  62.   Replace AVCodecContext.time_base used for decoding

  63.   with AVCodecContext.framerate.

  64. 

  65. 2014-10-15 - d565fef1- lavc 56.4.0 - avcodec.h

  66.   Add AV_HWACCEL_FLAG_IGNORE_LEVEL flag to av_vdpau_bind_context().

  67. 

  68. 2014-10-13 - 2df0c32 - lavc 56.03.0 - avcodec.h

  69.   Add AVCodecContext.initial_padding. Deprecate the use of AVCodecContext.delay

  70.   for audio encoding.

  71. 

  72. 2014-10-08 - 5a419b2 - lavu 54.04.0 - pixdesc.h

  73.   Add API to return the name of frame and context color properties.

  74. 

  75. 2014-10-06 - e3e158e - lavc 56.2.0 - vdpau.h

  76.   Add av_vdpau_bind_context(). This function should now be used for creating

  77.   (or resetting) a AVVDPAUContext instead of av_vdpau_alloc_context().

  78. 

  79. 2014-08-25 - b263f8f - lavf 56.03.0 - avformat.h

  80.   Add AVFormatContext.max_ts_probe.

  81. 

  82. ------------------------------8<-------------------------------------

  83.                    11 branch was cut here

  84. ----------------------------->8--------------------------------------

  85. 

  86. 2014-08-28 - 9301486 - lavc 56.1.0 - avcodec.h

  87.   Add AV_PKT_DATA_STEREO3D to export container-level stereo3d information.

  88. 

  89. 2014-08-13 - 8ddc326 - lavu 54.03.0 - mem.h

  90.   Add av_strndup().

  91. 

  92. 2014-08-13 - a8c104a - lavu 54.02.0 - opt.h

  93.   Add av_opt_get_dict_val/set_dict_val with AV_OPT_TYPE_DICT to support

  94.   dictionary types being set as options.

  95. 

  96. 2014-08-13 - afbd4b8 - lavf 56.01.0 - avformat.h

  97.   Add AVFormatContext.event_flags and AVStream.event_flags for signaling to

  98.   the user when events happen in the file/stream.

  99. 

  100. 2014-08-10 - fb1ddcd - lavr 2.1.0 - avresample.h

  101.   Add avresample_convert_frame() and avresample_config().

  102. 

  103. 2014-08-10 - fb1ddcd - lavu 54.1.0 - error.h

  104.   Add AVERROR_INPUT_CHANGED and AVERROR_OUTPUT_CHANGED.

  105. 

  106. 2014-08-08 - d35b94f - lavc 55.57.4 - avcodec.h

  107.   Deprecate FF_IDCT_XVIDMMX define and xvidmmx idct option.

  108.   Replaced by FF_IDCT_XVID and xvid respectively.

  109. 

  110. 2014-08-07 - bb78903 - lsws 2.1.3 - swscale.h

  111.   sws_getCachedContext is not going to be removed in the future.

  112. 

  113. 2014-08-07 - ad1ee5f - lavc 55.57.3 - avcodec.h

  114.   reordered_opaque is not going to be removed in the future.

  115. 

  116. 2014-08-04 - e9abafc - lavu 53.22.0 - pixfmt.h

  117.   Add AV_PIX_FMT_YA16 pixel format for 16 bit packed gray with alpha.

  118. 

  119. 2014-08-04 - e96c3b8 - lavu 53.21.1 - avstring.h

  120.   Rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8 to better identify the format.

  121.   An alias pixel format and color space name are provided for compatibility.

  122. 

  123. 2014-08-04 - d2962e9 - lavu 53.21.0 - pixdesc.h

  124.   Support name aliases for pixel formats.

  125. 

  126. 2014-08-03 - 1ef9e83 - lavc 55.57.2 - avcodec.h

  127. 2014-08-03 - 1ef9e83 - lavu 53.20.0 - frame.h

  128.   Deprecate AVCodecContext.dtg_active_format and use side-data instead.

  129. 

  130. 2014-08-03 - 9f17685 - lavc 55.57.1 - avcodec.h

  131.   Deprecate unused FF_IDCT_IPP define and ipp avcodec option.

  132.   Deprecate unused FF_DEBUG_PTS define and pts avcodec option.

  133.   Deprecate unused FF_CODER_TYPE_DEFLATE define and deflate avcodec option.

  134.   Deprecate unused FF_DCT_INT define and int avcodec option.

  135.   Deprecate unused avcodec option scenechange_factor.

  136. 

  137. 2014-07-29 - 69e7336 - lavu 53.19.0 - avstring.h

  138.   Make name matching function from lavf public as av_match_name().

  139. 

  140. 2014-07-28 - c5fca01 - lavc 55.57.0 - avcodec.h

  141.   Add AV_CODEC_PROP_REORDER to mark codecs supporting frame reordering.

  142. 

  143. 2014-07-09 - a54f03b - lavu 53.18.0 - display.h

  144.   Add av_display_matrix_flip() to flip the transformation matrix.

  145. 

  146. 2014-07-09 - f6ee61f - lavc 55.56.0 - dv_profile.h

  147.   Add a public API for DV profile handling.

  148. 

  149. 2014-06-20 - 9e500ef - lavu 53.17.0 - imgutils.h

  150.   Add av_image_check_sar().

  151. 

  152. 2014-06-20 - 874390e - lavc 55.55.0 - avcodec.h

  153.   Add av_packet_rescale_ts() to simplify timestamp conversion.

  154. 

  155. 2014-06-18 - 194be1f - lavf 55.20.0 - avformat.h

  156.   The proper way for providing a hint about the desired timebase to the muxers

  157.   is now setting AVStream.time_base, instead of AVStream.codec.time_base as was

  158.   done previously. The old method is now deprecated.

  159. 

  160. 2014-06-01 - 0957b27 - lavc 55.54.0 - avcodec.h

  161.   Add AVCodecContext.side_data_only_packets to allow encoders to output packets

  162.   with only side data. This option may become mandatory in the future, so all

  163.   users are recommended to update their code and enable this option.

  164. 

  165. 2014-06-01 - 8c02adc - lavu 53.16.0 - frame.h, pixfmt.h

  166.   Move all color-related enums (AVColorPrimaries, AVColorSpace, AVColorRange,

  167.   AVColorTransferCharacteristic, and AVChromaLocation) inside lavu.

  168.   Add AVFrame fields for them on the next lavu major bump.

  169. 

  170. 2014-05-28 - b2d4565 - lavr 1.3.0 - avresample.h

  171.   Add avresample_max_output_samples

  172. 

  173. 2014-05-28 - 6d21259 - lavf 55.19.0 - avformat.h

  174.   Add strict_std_compliance and related AVOptions to support experimental

  175.   muxing.

  176. 

  177. 2014-05-20 - c23c96b - lavf 55.18.0 - avformat.h

  178.   Add av_stream_get_side_data() to access stream-level side data

  179.   in the same way as av_packet_get_side_data().

  180. 

  181. 2014-05-19 - bddd8cb - lavu 53.15.0 - frame.h, display.h

  182.   Add AV_FRAME_DATA_DISPLAYMATRIX for exporting frame-level

  183.   spatial rendering on video frames for proper display.

  184. 

  185. 2014-05-19 - bddd8cb - lavc 55.53.0 - avcodec.h

  186.   Add AV_PKT_DATA_DISPLAYMATRIX for exporting packet-level

  187.   spatial rendering on video frames for proper display.

  188. 

  189. 2014-05-19 - a312f71 - lavf 55.17.1 - avformat.h

  190.   Deprecate AVStream.pts and the AVFrac struct, which was its only use case.

  191.   Those fields were poorly defined and not meant to be public, so there is

  192.   no replacement for them.

  193. 

  194. 2014-05-18 - fd05602 - lavc 55.52.0 - avcodec.h

  195.   Add avcodec_free_context(). From now on it should be used for freeing

  196.   AVCodecContext.

  197. 

  198. 2014-05-15 - 0c1959b - lavf 55.17.0 - avformat.h

  199.   Add AVFMT_FLAG_BITEXACT flag. Muxers now use it instead of checking

  200.   CODEC_FLAG_BITEXACT on the first stream.

  201. 

  202. 2014-05-11 - 66e6c8a - lavu 53.14.0 - pixfmt.h

  203.   Add AV_PIX_FMT_VDA for new-style VDA acceleration.

  204. 

  205. 2014-05-01 - a2941c8 - lavc 55.50.3 - avcodec.h

  206.   Deprecate CODEC_FLAG_MV0. It is replaced by the flag "mv0" in the

  207.   "mpv_flags" private option of the mpegvideo encoders.

  208. 

  209. 2014-05-01 - 6484149 - lavc 55.50.2 - avcodec.h

  210.   Deprecate CODEC_FLAG_GMC. It is replaced by the "gmc" private option of the

  211.   libxvid encoder.

  212. 

  213. 2014-05-01 - b2c3171 - lavc 55.50.1 - avcodec.h

  214.   Deprecate CODEC_FLAG_NORMALIZE_AQP. It is replaced by the flag "naq" in the

  215.   "mpv_flags" private option of the mpegvideo encoders.

  216. 

  217. 2014-05-01 - 5fcceda - avcodec.h

  218.   Deprecate CODEC_FLAG_INPUT_PRESERVED. Its functionality is replaced by passing

  219.   reference-counted frames to encoders.

  220. 

  221. 2014-04-28 - ed4b757 - lavc 55.50.0 - dxva2.h

  222.   Add FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO for old Intel GPUs.

  223. 

  224. 2014-04-22 - 502512e - lavu 53.13.0 - avutil.h

  225.   Add av_get_time_base_q().

  226. 

  227. 2014-04-17 - 0983d48 - lavu 53.12.0 - crc.h

  228.   Add AV_CRC_16_ANSI_LE crc variant.

  229. 

  230. 2014-04-07 - 8b17243 - lavu 53.11.0 - pixfmt.h

  231.   Add AV_PIX_FMT_YVYU422 pixel format.

  232. 

  233. 2014-04-04 - 8542f9c - lavu 53.10.0 - replaygain.h

  234.   Full scale for peak values is now 100000 (instead of UINT32_MAX) and values

  235.   may overflow.

  236. 

  237. 2014-04-03 - 7763118 - lavu 53.09.0 - log.h

  238.   Add AV_LOG(c) macro to have 256 color debug messages.

  239. 

  240. 2014-03-24 - d161ae0 - lavu 53.08.0 - frame.h

  241.   Add av_frame_remove_side_data() for removing a single side data

  242.   instance from a frame.

  243. 

  244. 2014-03-24 - 5a7e35d - lavu 53.07.0 - frame.h, replaygain.h

  245.   Add AV_FRAME_DATA_REPLAYGAIN for exporting replaygain tags.

  246.   Add a new header replaygain.h with the AVReplayGain struct.

  247. 

  248. 2014-03-24 - 5a7e35d - lavc 55.36.0 - avcodec.h

  249.   Add AV_PKT_DATA_REPLAYGAIN for exporting replaygain tags.

  250. 

  251. 2014-03-24 - 25b3258 - lavf 55.13.0 - avformat.h

  252.   Add AVStream.side_data and AVStream.nb_side_data for exporting stream-global

  253.   side data (e.g. replaygain tags, video rotation)

  254. 

  255. 2014-03-24 - 0e2c3ee - lavc 55.35.0 - avcodec.h

  256.   Give the name AVPacketSideData to the previously anonymous struct used for

  257.   AVPacket.side_data.

  258. 

  259. 2014-03-16 - 1481d24 - lavu 53.06.0 - pixfmt.h

  260.   Add RGBA64 pixel format and variants.

  261. 

  262. 2014-02-24 - 1155fd0 - lavu 53.05.0 - frame.h

  263.   Add av_frame_copy() for copying the frame data.

  264. 

  265. 2014-02-22 - 7e86c27 - lavr 1.2.0 - avresample.h

  266.   Add avresample_is_open() for checking whether a resample context is open.

  267. 

  268. 2014-02-19 - c3ecd96 - lavu 53.04.0  - opt.h

  269.   Add AV_OPT_FLAG_EXPORT and AV_OPT_FLAG_READONLY to mark options meant (only)

  270.   for reading.

  271. 

  272. 2014-02-19 - 6bb8720 - lavu 53.03.01 - opt.h

  273.   Deprecate unused AV_OPT_FLAG_METADATA.

  274. 

  275. ------------------------------8<-------------------------------------

  276.                    10 branch was cut here

  277. ----------------------------->8--------------------------------------

  278. 

  279. 2014-02-15 - c98f316 - lavu 53.3.0 - frame.h

  280.   Add AV_FRAME_DATA_DOWNMIX_INFO value to the AVFrameSideDataType enum and

  281.   downmix_info.h API, which identify downmix-related metadata.

  282. 

  283. 2014-02-04 - d9ae103 - lavf 55.11.0 - avformat.h

  284.   Add AVFormatContext.max_interleave_delta for controlling amount of buffering

  285.   when interleaving.

  286. 

  287. 2014-01-20 - 93c553c - lavc 55.32.1 - avcodec.h

  288.   Edges are not required anymore on video buffers allocated by get_buffer2()

  289.   (i.e. as if the CODEC_FLAG_EMU_EDGE flag was always on). Deprecate

  290.   CODEC_FLAG_EMU_EDGE and avcodec_get_edge_width().

  291. 

  292. 2014-01-05 - 5b4797a - lavu 53.2.0 - frame.h

  293.   Add AV_FRAME_DATA_MATRIXENCODING value to the AVFrameSideDataType enum, which

  294.   identifies AVMatrixEncoding data.

  295. 

  296. 2014-01-05 - 5c437fb - lavu 53.1.0 - channel_layout.h

  297.   Add values for various Dolby flags to the AVMatrixEncoding enum.

  298. 

  299. 2013-12-20 - 2a41826 - lavc 55.30.0 - avcodec.h

  300.   Add HEVC profiles

  301. 

  302. 2013-12-11 - b9fb59d,9431356,d7b3ee9 - lavc 55.28.1 - avcodec.h

  303.   av_frame_alloc(), av_frame_unref() and av_frame_free() now can and should be

  304.   used instead of avcodec_alloc_frame(), avcodec_get_frame_defaults() and

  305.   avcodec_free_frame() respectively. The latter three functions are deprecated.

  306. 

  307. 2013-12-09 - 7e244c6- - lavu 52.20.0 - frame.h

  308.   Add AV_FRAME_DATA_STEREO3D value to the AVFrameSideDataType enum and

  309.   stereo3d.h API, that identify codec-independent stereo3d information.

  310. 

  311. 2013-11-26 - 1eaac1d- - lavu 52.19.0 - frame.h

  312.   Add AV_FRAME_DATA_A53_CC value to the AVFrameSideDataType enum, which

  313.   identifies ATSC A53 Part 4 Closed Captions data.

  314. 

  315. 2013-11-14 - cce3e0a - lavu 52.18.0 - mem.h

  316.   Move av_fast_malloc() and av_fast_realloc() for libavcodec to libavutil.

  317. 

  318. 2013-11-14 - 8941971 - lavc 55.27.0 - avcodec.h

  319.   Deprecate AVCodecContext.error_rate, it is replaced by the 'error_rate'

  320.   private option of the mpegvideo encoder family.

  321. 

  322. 2013-11-14 - 728c465 - lavc 55.26.0 - vdpau.h

  323.   Add av_vdpau_get_profile().

  324.   Add av_vdpau_alloc_context(). This function must from now on be

  325.   used for allocating AVVDPAUContext.

  326. 

  327. 2013-11-04 - cd8f772 - lavc 55.25.0 - avcodec.h

  328.   Add ITU-R BT.2020 and other not yet included values to color primaries,

  329.   transfer characteristics and colorspaces.

  330. 

  331. 2013-10-31 - 28096e0 - lavu 52.17.0 - frame.h

  332.   Add AVFrame.flags and AV_FRAME_FLAG_CORRUPT.

  333. 

  334. 2013-09-28 - 0767bfd - lavfi 3.11.0 - avfilter.h

  335.   Add AVFilterGraph.execute and AVFilterGraph.opaque for custom slice threading

  336.   implementations.

  337. 

  338. 2013-09-21 - e208e6d - lavu 52.16.0 - pixfmt.h

  339.   Add interleaved 4:2:2 8/10-bit formats AV_PIX_FMT_NV16 and

  340.   AV_PIX_FMT_NV20.

  341. 

  342. 2013-09-16 - 3feb3d6 - lavu 52.15.0 - mem.h

  343.   Add av_reallocp.

  344. 

  345. 2013-08-10 - 5a9a9d4 - lavc 55.16.0 - avcodec.h

  346.   Extend AVPacket API with av_packet_unref, av_packet_ref,

  347.   av_packet_move_ref, av_packet_copy_props, av_packet_free_side_data.

  348. 

  349. 2013-08-05 - f824535 - lavc 55.13.0 - avcodec.h

  350.   Deprecate the bitstream-related members from struct AVVDPAUContext.

  351.   The bistream buffers no longer need to be explicitly freed.

  352. 

  353. 2013-08-05 - 549294f - lavc 55.12.0 - avcodec.h

  354.   Deprecate the CODEC_CAP_HWACCEL_VDPAU codec capability. Use CODEC_CAP_HWACCEL

  355.   and select the AV_PIX_FMT_VDPAU format with get_format() instead.

  356. 

  357. 2013-08-05 - a0ad5d0 - lavu 52.14.0 - pixfmt.h

  358.   Deprecate AV_PIX_FMT_VDPAU_*. Use AV_PIX_FMT_VDPAU instead.

  359. 

  360. 2013-08-02 - a8b1927 - lavc 55.11.0 - avcodec.h

  361.   Add output_picture_number to AVCodecParserContext.

  362. 

  363. 2013-06-24 - 95d5246 - lavc 55.10.0 - avcodec.h

  364.   Add MPEG-2 AAC profiles

  365. 

  366. 2013-06-04 - fc962d4 - lavu 52.13.0 - mem.h

  367.   Add av_realloc_array and av_reallocp_array

  368. 

  369. 2013-05-24 - 129bb23 - lavfi 3.10.0 - avfilter.h

  370.   Add support for slice multithreading to lavfi. Filters supporting threading

  371.   are marked with AVFILTER_FLAG_SLICE_THREADS.

  372.   New fields AVFilterContext.thread_type, AVFilterGraph.thread_type and

  373.   AVFilterGraph.nb_threads (accessible directly or through AVOptions) may be

  374.   used to configure multithreading.

  375. 

  376. 2013-05-24 - 2a6eaea - lavu 52.12.0 - cpu.h

  377.   Add av_cpu_count() function for getting the number of logical CPUs.

  378. 

  379. 2013-05-24 - b493847 - lavc 55.7.0 - avcodec.h

  380.   Add picture_structure to AVCodecParserContext.

  381. 

  382. 2013-05-15 - e6c4ac7 - lavu 52.11.0 - pixdesc.h

  383.   Replace PIX_FMT_* flags with AV_PIX_FMT_FLAG_*.

  384. 

  385. 2013-04-03 - 507b1e4 - lavc 55.4.0 - avcodec.h

  386.   Add field_order to AVCodecParserContext.

  387. 

  388. 2013-04-19 - 5e83d9a - lavc 55.2.0 - avcodec.h

  389.   Add CODEC_FLAG_UNALIGNED to allow decoders to produce unaligned output.

  390. 

  391. 2013-04-11 - lavfi 3.8.0

  392.   38f0c07 - Move all content from avfiltergraph.h to avfilter.h. Deprecate

  393.             avfilterhraph.h, user applications should include just avfilter.h

  394.   bc1a985 - Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and

  395.             avfilter_graph_add_filter().

  396.   1113672 - Add AVFilterContext.graph pointing to the AVFilterGraph that contains the

  397.             filter.

  398.   48a5ada - Add avfilter_init_str(), deprecate avfilter_init_filter().

  399.   1ba95a9 - Add avfilter_init_dict().

  400.   7cdd737 - Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.

  401.   7e8fe4b - Add avfilter_pad_count() for counting filter inputs/outputs.

  402.   fa2a34c - Add avfilter_next(), deprecate av_filter_next().

  403.             Deprecate avfilter_uninit().

  404. 

  405. 2013-04-09 - lavfi 3.7.0 - avfilter.h

  406.   b439c99 - Add AVFilter.priv_class for exporting filter options through the

  407.             AVOptions API in the similar way private options work in lavc and lavf.

  408.   8114c10 - Add avfilter_get_class().

  409.   Switch all filters to use AVOptions.

  410. 

  411. 2013-03-19 - 2c328a9 - lavu 52.9.0 - pixdesc.h

  412.   Add av_pix_fmt_count_planes() function for counting planes in a pixel format.

  413. 

  414. 2013-03-16 - 42c7c61 - lavfi 3.6.0

  415.   Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.

  416. 

  417. 2013-03-08 - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0,

  418. lavd 54.0.0, lavfi 3.5.0

  419.   8e401db, 1cec062 - add a new API for reference counted buffers and buffer

  420.                      pools (new header libavutil/buffer.h).

  421.   1afddbe - add AVPacket.buf to allow reference counting for the AVPacket data.

  422.             Add av_packet_from_data() function for constructing packets from

  423.             av_malloc()ed data.

  424.   7ecc2d4 - move AVFrame from lavc to lavu (new header libavutil/frame.h), add

  425.             AVFrame.buf/extended_buf to allow reference counting for the AVFrame

  426.             data. Add new API for working with reference-counted AVFrames.

  427.   759001c - add the refcounted_frames field to AVCodecContext to make audio and

  428.             video decoders return reference-counted frames. Add get_buffer2()

  429.             callback to AVCodecContext which allocates reference-counted frames.

  430.             Add avcodec_default_get_buffer2() as the default get_buffer2()

  431.             implementation.

  432.             Deprecate AVCodecContext.get_buffer() / release_buffer() /

  433.             reget_buffer(), avcodec_default_get_buffer(),

  434.             avcodec_default_reget_buffer(), avcodec_default_release_buffer().

  435.             Remove avcodec_default_free_buffers(), which should not have ever

  436.             been called from outside of lavc.

  437.             Deprecate the following AVFrame fields:

  438.                 * base -- is now stored in AVBufferRef

  439.                 * reference, type, buffer_hints -- are unnecessary in the new API

  440.                 * hwaccel_picture_private, owner, thread_opaque -- should not

  441.                   have been acessed from outside of lavc

  442.                 * qscale_table, qstride, qscale_type, mbskip_table, motion_val,

  443.                   mb_type, dct_coeff, ref_index -- mpegvideo-specific tables,

  444.                   which are not exported anymore.

  445.   7e35037 - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add

  446.             av_buffersrc_add_frame(), deprecate av_buffersrc_buffer().

  447.             Add av_buffersink_get_frame() and av_buffersink_get_samples(),

  448.             deprecate av_buffersink_read() and av_buffersink_read_samples().

  449.             Deprecate AVFilterBufferRef and all functions for working with it.

  450. 

  451. 2013-03-17 - 12c5c1d - lavu 52.8.0 - avstring.h

  452.   Add av_isdigit, av_isgraph, av_isspace, av_isxdigit.

  453. 

  454. 2013-02-23 - 9f12235 - lavfi 3.4.0 - avfiltergraph.h

  455.   Add resample_lavr_opts to AVFilterGraph for setting libavresample options

  456.   for auto-inserted resample filters.

  457. 

  458. 2013-01-25 - 38c1466 - lavu 52.7.0 - dict.h

  459.   Add av_dict_parse_string() to set multiple key/value pairs at once from a

  460.   string.

  461. 

  462. 2013-01-25 - b85a5e8 - lavu 52.6.0 - avstring.h

  463.   Add av_strnstr()

  464. 

  465. 2013-01-15 - 8ee288d - lavu 52.5.0 - hmac.h

  466.   Add AVHMAC.

  467. 

  468. 2013-01-13 - 44e065d - lavc 54.36.0 - vdpau.h

  469.   Add AVVDPAUContext struct for VDPAU hardware-accelerated decoding.

  470. 

  471. 2013-01-12 - 169fb94 - lavu 52.4.0 - pixdesc.h

  472.   Add AV_PIX_FMT_VDPAU flag.

  473. 

  474. 2013-01-07 - 074a00d - lavr 1.1.0

  475.   Add avresample_set_channel_mapping() for input channel reordering,

  476.   duplication, and silencing.

  477. 

  478. ------------------------------8<-------------------------------------

  479.                    9 branch was cut here

  480. ----------------------------->8--------------------------------------

  481. 

  482. 2012-12-29 - d8fd06c - lavu 52.3.0 - avstring.h

  483.   Add av_basename() and av_dirname().

  484. 

  485. 2012-11-11 - 5980f5d - lavu 52.2.0 - audioconvert.h

  486.   Rename audioconvert.h to channel_layout.h. audioconvert.h is now deprecated.

  487. 

  488. 2012-11-05 - dfde8a3 - lavu 52.1.0 - intmath.h

  489.   Add av_ctz() for trailing zero bit count

  490. 

  491. 2012-10-21 - a893655 - lavu 51.45.0 - error.h

  492.   Add AVERROR_EXPERIMENTAL

  493. 

  494. 2012-10-12 - d2fcb35 - lavu 51.44.0 - pixdesc.h

  495.   Add functions for accessing pixel format descriptors.

  496.   Accessing the av_pix_fmt_descriptors array directly is now

  497.   deprecated.

  498. 

  499. 2012-10-11 - 9a92aea - lavu 51.43.0 - aes.h, md5.h, sha.h, tree.h

  500.   Add functions for allocating the opaque contexts for the algorithms,

  501.   deprecate the context size variables.

  502. 

  503. 2012-10-10 - b522000 - lavf 54.18.0 - avio.h

  504.   Add avio_closep to complement avio_close.

  505. 

  506. 2012-10-08 - 78071a1 - lavu 51.42.0 - pixfmt.h

  507.   Rename PixelFormat to AVPixelFormat and all PIX_FMT_* to AV_PIX_FMT_*.

  508.   To provide backwards compatibility, PixelFormat is now #defined as

  509.   AVPixelFormat.

  510.   Note that this can break user code that includes pixfmt.h and uses the

  511.   'PixelFormat' identifier. Such code should either #undef PixelFormat

  512.   or stop using the PixelFormat name.

  513. 

  514. 2012-10-05 - e7ba5b1 - lavr 1.0.0 - avresample.h

  515.   Data planes parameters to avresample_convert() and

  516.   avresample_read() are now uint8_t** instead of void**.

  517.   Libavresample is now stable.

  518. 

  519. 2012-09-24 - a42aada - lavc 54.28.0 - avcodec.h

  520.   Add avcodec_free_frame(). This function must now

  521.   be used for freeing an AVFrame.

  522. 

  523. 2012-09-12 - 8919fee - lavu 51.41.0 - audioconvert.h

  524.   Added AV_CH_LOW_FREQUENCY_2 channel mask value.

  525. 

  526. 2012-09-04 - 686a329 - lavu 51.40.0 - opt.h

  527.   Reordered the fields in default_val in AVOption, changed which

  528.   default_val field is used for which AVOptionType.

  529. 

  530. 2012-08-30 - a231832 - lavc 54.26.1 - avcodec.h

  531.   Add codec descriptor properties AV_CODEC_PROP_LOSSY and

  532.   AV_CODEC_PROP_LOSSLESS.

  533. 

  534. 2012-08-18 - lavc 54.26 - avcodec.h

  535.   Add codec descriptors for accessing codec properties without having

  536.   to refer to a specific decoder or encoder.

  537. 

  538.   c223d79 - Add an AVCodecDescriptor struct and functions

  539.             avcodec_descriptor_get() and avcodec_descriptor_next().

  540.   51efed1 - Add AVCodecDescriptor.props and AV_CODEC_PROP_INTRA_ONLY.

  541.   91e59fe - Add avcodec_descriptor_get_by_name().

  542. 

  543. 

  544. 2012-08-08 - 1d9c2dc - lavu 51.39 - avutil.h

  545.   Don't implicitly include libavutil/common.h in avutil.h

  546. 

  547. 2012-08-08 - 987170c - lavu 51.38 - dict.h

  548.   Add av_dict_count().

  549. 

  550. 2012-08-07 - 104e10f - lavc 54.25 - avcodec.h

  551.   Rename CodecID to AVCodecID and all CODEC_ID_* to AV_CODEC_ID_*.

  552.   To provide backwards compatibility, CodecID is now #defined as AVCodecID.

  553.   Note that this can break user code that includes avcodec.h and uses the

  554.   'CodecID' identifier. Such code should either #undef CodecID or stop using the

  555.   CodecID name.

  556. 

  557. 2012-08-03 - 239fdf1 - lavu 51.37.1 - cpu.h

  558.                        lsws 2.1.1   - swscale.h

  559.   Rename AV_CPU_FLAG_MMX2  ---> AV_CPU_FLAG_MMXEXT.

  560.   Rename SWS_CPU_CAPS_MMX2 ---> SWS_CPU_CAPS_MMXEXT.

  561. 

  562. 2012-07-29 - 681ed00 - lavf 54.13.0 - avformat.h

  563.   Add AVFMT_FLAG_NOBUFFER for low latency use cases.

  564. 

  565. 2012-07-20 - b70d89a - lavfi 3.0.0 - avfilter.h

  566.   Add avfilter_unref_bufferp().

  567. 

  568. 2012-07-10 - 5fade8a - lavu 51.37.0

  569.   Add av_malloc_array() and av_mallocz_array()

  570. 

  571. 2012-06-22 - d3d3a32 - lavu 51.34.0

  572.   Add av_usleep()

  573. 

  574. 2012-06-20 - ae0a301 - lavu 51.33.0

  575.   Move av_gettime() to libavutil, add libavutil/time.h

  576. 

  577. 2012-06-09 - 3971be0 - lavr 0.0.3

  578.   Add a parameter to avresample_build_matrix() for Dolby/DPLII downmixing.

  579. 

  580. 2012-06-12 - 9baeff9 - lavfi 2.23.0 - avfilter.h

  581.   Add AVFilterContext.nb_inputs/outputs. Deprecate

  582.   AVFilterContext.input/output_count.

  583. 

  584. 2012-06-12 - 84b9fbe - lavfi 2.22.0 - avfilter.h

  585.   Add avfilter_pad_get_type() and avfilter_pad_get_name(). Those

  586.   should now be used instead of accessing AVFilterPad members

  587.   directly.

  588. 

  589. 2012-06-12 - b0f0dfc - lavu 51.32.0 - audioconvert.h

  590.   Add av_get_channel_layout_channel_index(), av_get_channel_name()

  591.   and av_channel_layout_extract_channel().

  592. 

  593. 2012-05-25 - 154486f - lavu 51.31.0 - opt.h

  594.   Add av_opt_set_bin()

  595. 

  596. 2012-05-26 - e9cef89 - lavf 54.3.0

  597.   Add AVFMT_TS_NONSTRICT format flag to indicate that a muxer supports

  598.   non-increasing monotone timestamps.

  599. 

  600. 2012-05-15 - lavfi 2.17.0

  601.   Add support for audio filters

  602.   ac71230/a2cd9be - add video/audio buffer sink in a new installed

  603.                     header buffersink.h

  604.   720c6b7 - add av_buffersrc_write_frame(), deprecate

  605.             av_vsrc_buffer_add_frame()

  606.   ab16504 - add avfilter_copy_buf_props()

  607.   9453c9e - add extended_data to AVFilterBuffer

  608.   1b8c927 - add avfilter_get_audio_buffer_ref_from_arrays()

  609. 

  610. 2012-05-09 - lavu 51.30.0 - samplefmt.h

  611.   142e740 - add av_samples_copy()

  612.   6d7f617 - add av_samples_set_silence()

  613. 

  614. 2012-05-09 - a5117a2 - lavc 54.13.1

  615.   For audio formats with fixed frame size, the last frame

  616.   no longer needs to be padded with silence, libavcodec

  617.   will handle this internally (effectively all encoders

  618.   behave as if they had CODEC_CAP_SMALL_LAST_FRAME set).

  619. 

  620. 2012-05-07 - 828bd08 - lavc 54.13.0 - avcodec.h

  621.   Add sample_rate and channel_layout fields to AVFrame.

  622. 

  623. 2012-05-01 - 4010d72 - lavr 0.0.1

  624.   Change AV_MIX_COEFF_TYPE_Q6 to AV_MIX_COEFF_TYPE_Q8.

  625. 

  626. 2012-04-25 - 3527a73 - lavu 51.29.0 - cpu.h

  627.   Add av_parse_cpu_flags()

  628. 

  629. 2012-04-24 - c8af852 - lavr 0.0.0

  630.   Add libavresample audio conversion library

  631. 

  632. 2012-04-20 - 0c0d1bc - lavu 51.28.0 - audio_fifo.h

  633.   Add audio FIFO functions:

  634.     av_audio_fifo_free()

  635.     av_audio_fifo_alloc()

  636.     av_audio_fifo_realloc()

  637.     av_audio_fifo_write()

  638.     av_audio_fifo_read()

  639.     av_audio_fifo_drain()

  640.     av_audio_fifo_reset()

  641.     av_audio_fifo_size()

  642.     av_audio_fifo_space()

  643. 

  644. 2012-04-14 - lavfi 2.16.0 - avfiltergraph.h

  645.   d7bcc71 Add avfilter_graph_parse2().

  646.   91d3cbe Add avfilter_inout_alloc() and avfilter_inout_free().

  647. 

  648. 2012-04-08 - 4d693b0 - lavu 51.27.0 - samplefmt.h

  649.   Add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()

  650. 

  651. 2012-04-05 - 5cc51a5 - lavu 51.26.0 - audioconvert.h

  652.   Add av_get_default_channel_layout()

  653. 

  654. 2012-03-20 - 3c90cc2 - lavfo 54.2.0

  655.   Deprecate av_read_packet(), use av_read_frame() with

  656.   AVFMT_FLAG_NOPARSE | AVFMT_FLAG_NOFILLIN in AVFormatContext.flags

  657. 

  658. 2012-03-06 - 4d851f8 - lavu 51.25.0 - cpu.h

  659.   Add av_set_cpu_flags_mask().

  660. 

  661. 2012-03-05 - lavc 54.8.0

  662.   6699d07 Add av_get_exact_bits_per_sample()

  663.   9524cf7 Add av_get_audio_frame_duration()

  664. 

  665. 2012-03-04 - 44fe77b - lavc 54.7.0 - avcodec.h

  666.   Add av_codec_is_encoder/decoder().

  667. 

  668. 2012-03-01 - 442c132 - lavc 54.3.0 - avcodec.h

  669.   Add av_packet_shrink_side_data.

  670. 

  671. 2012-02-29 - dd2a4bc - lavf 54.2.0 - avformat.h

  672.   Add AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,

  673.   used for dealing with attached pictures/cover art.

  674. 

  675. 2012-02-25 - c9bca80 - lavu 51.24.0 - error.h

  676.   Add AVERROR_UNKNOWN

  677.   NOTE: this was backported to 0.8

  678. 

  679. 2012-02-20 - e9cda85 - lavc 54.2.0

  680.   Add duration field to AVCodecParserContext

  681. 

  682. 2012-02-20 - 0b42a93 - lavu 51.23.1 - mathematics.h

  683.   Add av_rescale_q_rnd()

  684. 

  685. 2012-02-08 - 38d5533 - lavu 51.22.1 - pixdesc.h

  686.   Add PIX_FMT_PSEUDOPAL flag.

  687. 

  688. 2012-02-08 - 52f82a1 - lavc 54.01.0

  689.   Add avcodec_encode_video2() and deprecate avcodec_encode_video().

  690. 

  691. 2012-02-01 - 316fc74 - lavc 54.01.0

  692.   Add av_fast_padded_malloc() as alternative for av_realloc() when aligned

  693.   memory is required. The buffer will always have FF_INPUT_BUFFER_PADDING_SIZE

  694.   zero-padded bytes at the end.

  695. 

  696. 2012-01-31 - dd6d3b0 - lavf 54.01.0

  697.   Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().

  698.   NOTE: this was backported to 0.8

  699. 

  700. 2012-01-31 - af08d9a - lavc 54.01.0

  701.   Add avcodec_is_open() function.

  702.   NOTE: this was backported to 0.8

  703. 

  704. 2012-01-30 - 8b93312 - lavu 51.22.0 - intfloat.h

  705.   Add a new installed header libavutil/intfloat.h with int/float punning

  706.   functions.

  707.   NOTE: this was backported to 0.8

  708. 

  709. 2012-01-25 - lavf 53.22.0

  710.   f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possible

  711.           buffered data within a muxer. Added AVFMT_ALLOW_FLUSH for

  712.           muxers supporting it (av_write_frame makes sure it is called

  713.           only for muxers with this flag).

  714. 

  715. ------------------------------8<-------------------------------------

  716.                    0.8 branch was cut here

  717. ----------------------------->8--------------------------------------

  718. 

  719. 2012-01-15 - lavc 53.34.0

  720.   New audio encoding API:

  721.   b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio

  722.           encoders.

  723.   5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.

  724.   b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().

  725.           Add AVCodec.encode2().

  726. 

  727. 2012-01-12 - 3167dc9 - lavfi 2.15.0

  728.   Add a new installed header -- libavfilter/version.h -- with version macros.

  729. 

  730. 2011-01-03 - b73ec05 - lavu 51.21.0

  731.   Add av_popcount64

  732. 

  733. 2011-12-25 - lavfi 2.14.0

  734.   e1d9dbf Add a new installed header - buffersrc.h

  735.   It contains a new function av_buffersrc_buffer() that allows passing

  736.   frames to the 'buffer' filter, but unlike av_vsrc_buffer_add_frame()

  737.   it allows for direct rendering.

  738.   1c9e340 Add avfilter_copy_frame_props() for copying properties from

  739.   AVFrame to AVFilterBufferRef.

  740. 

  741. 2011-12-25 - lavc 53.31.0

  742.   Add the following new fields to AVFrame:

  743.     b58dbb5 sample_aspect_ratio

  744.     3a2ddf7 width, height

  745.     8a4a5f6 format

  746. 

  747. 2011-12-18 - 8400b12 - lavc 53.28.1

  748.   Deprecate AVFrame.age. The field is unused.

  749. 

  750. 2011-12-12 - 5266045 - lavf 53.17.0

  751.   Add avformat_close_input().

  752.   Deprecate av_close_input_file() and av_close_input_stream().

  753. 

  754. 2011-12-09 - b2890f5 - lavu 51.20.0 - audioconvert.h

  755.   Expand the channel layout list.

  756. 

  757. 2011-12-02 - 0eea212 - lavc 53.25.0

  758.   Add nb_samples and extended_data fields to AVFrame.

  759.   Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.

  760.   Deprecate avcodec_decode_audio3() in favor of avcodec_decode_audio4().

  761.   avcodec_decode_audio4() writes output samples to an AVFrame, which allows

  762.   audio decoders to use get_buffer().

  763. 

  764. 2011-12-04 - 560f773 - lavc 53.24.0

  765.   Change AVFrame.data[4]/base[4]/linesize[4]/error[4] to [8] at next major bump.

  766.   Change AVPicture.data[4]/linesize[4] to [8] at next major bump.

  767.   Change AVCodecContext.error[4] to [8] at next major bump.

  768.   Add AV_NUM_DATA_POINTERS to simplify the bump transition.

  769. 

  770. 2011-11-24 - lavu 51.19.0

  771.   bd97b2e - add planar RGB pixel formats

  772.   6b0768e - add PIX_FMT_PLANAR and PIX_FMT_RGB pixel descriptions

  773. 

  774. 2011-11-23 - bbb46f3 - lavu 51.18.0

  775.   Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and

  776.   av_samples_alloc(), to samplefmt.h.

  777. 

  778. 2011-11-23 - 8889cc4 - lavu 51.17.0

  779.   Add planar sample formats and av_sample_fmt_is_planar() to samplefmt.h.

  780. 

  781. 2011-11-19 - f3a29b7 - lavc 53.21.0

  782.   Move some AVCodecContext fields to a new private struct, AVCodecInternal,

  783.   which is accessed from a new field, AVCodecContext.internal.

  784.   - fields moved:

  785.       AVCodecContext.internal_buffer       --> AVCodecInternal.buffer

  786.       AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count

  787.       AVCodecContext.is_copy               --> AVCodecInternal.is_copy

  788. 

  789. 2011-11-16 - 6270671 - lavu 51.16.0

  790.   Add av_timegm()

  791. 

  792. 2011-11-13 - lavf 53.15.0

  793.   New interrupt callback API, allowing per-AVFormatContext/AVIOContext

  794.   interrupt callbacks.

  795.   6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to

  796.           AVFormatContext.

  797.   1dee0ac Add avio_open2() with additional parameters. Those are

  798.           an interrupt callback and an options AVDictionary.

  799.           This will allow passing AVOptions to protocols after lavf

  800.           54.0.

  801. 

  802. 2011-11-06 - ba04ecf - lavu 51.14.0

  803.   Add av_strcasecmp() and av_strncasecmp() to avstring.h.

  804. 

  805. 2011-11-06 - 07b172f - lavu 51.13.0

  806.   Add av_toupper()/av_tolower()

  807. 

  808. 2011-11-05 - b6d08f4 - lavf 53.13.0

  809.   Add avformat_network_init()/avformat_network_deinit()

  810. 

  811. 2011-10-27 - 512557b - lavc 53.15.0

  812.   Remove avcodec_parse_frame.

  813.   Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.

  814. 

  815. 2011-10-19 - 569129a - lavf 53.10.0

  816.   Add avformat_new_stream(). Deprecate av_new_stream().

  817. 

  818. 2011-10-13 - b631fba - lavf 53.9.0

  819.   Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.

  820. 

  821. 2011-10-12 - lavu 51.12.0

  822.   AVOptions API rewrite.

  823. 

  824.   - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*

  825.   - new setting/getting functions with slightly different semantics:

  826.         dac66da av_set_string3 -> av_opt_set

  827.                 av_set_double  -> av_opt_set_double

  828.                 av_set_q       -> av_opt_set_q

  829.                 av_set_int     -> av_opt_set_int

  830. 

  831.         41d9d51 av_get_string  -> av_opt_get

  832.                 av_get_double  -> av_opt_get_double

  833.                 av_get_q       -> av_opt_get_q

  834.                 av_get_int     -> av_opt_get_int

  835. 

  836.   - 8c5dcaa trivial rename av_next_option -> av_opt_next

  837.   - 641c7af new functions - av_opt_child_next, av_opt_child_class_next

  838.     and av_opt_find2()

  839. 

  840. 2011-09-03 - fb4ca26 - lavc 53.10.0

  841.                        lavf 53.6.0

  842.                        lsws  2.1.0

  843.   Add {avcodec,avformat,sws}_get_class().

  844. 

  845. 2011-09-03 - c11fb82 - lavu 51.10.0

  846.   Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.

  847. 

  848. 2011-08-26 - lavu 51.9.0

  849.   - f2011ed Add av_fifo_peek2(), deprecate av_fifo_peek().

  850.   - add41de..abc78a5 Do not include intfloat_readwrite.h,

  851.     mathematics.h, rational.h, pixfmt.h, or log.h from avutil.h.

  852. 

  853. 2011-08-16 - 48f9e45 - lavf 53.4.0

  854.   Add avformat_query_codec().

  855. 

  856. 2011-08-16 - bca06e7 - lavc 53.8.0

  857.   Add avcodec_get_type().

  858. 

  859. 2011-08-06 - 2f63440 - lavf 53.4.0

  860.   Add error_recognition to AVFormatContext.

  861. 

  862. 2011-08-02 - 9d39cbf - lavc 53.7.1

  863.   Add AV_PKT_FLAG_CORRUPT AVPacket flag.

  864. 

  865. 2011-07-10 - a67c061 - lavf 53.3.0

  866.   Add avformat_find_stream_info(), deprecate av_find_stream_info().

  867.   NOTE: this was backported to 0.7

  868. 

  869. 2011-07-10 - 0b950fe - lavc 53.6.0

  870.   Add avcodec_open2(), deprecate avcodec_open().

  871.   NOTE: this was backported to 0.7

  872. 

  873.   Add avcodec_alloc_context3. Deprecate avcodec_alloc_context() and

  874.   avcodec_alloc_context2().

  875. 

  876. 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h

  877.   Add av_printf_format().

  878. 

  879. ------------------------------8<-------------------------------------

  880.                    0.7 branch was cut here

  881. ----------------------------->8--------------------------------------

  882. 

  883. 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h

  884.   Add avformat_open_input and avformat_write_header().

  885.   Deprecate av_open_input_stream, av_open_input_file,

  886.   AVFormatParameters and av_write_header.

  887. 

  888. 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h

  889.   Add av_opt_set_dict() and av_opt_find().

  890.   Deprecate av_find_opt().

  891.   Add AV_DICT_APPEND flag.

  892. 

  893. 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h

  894.   Add av_opt_flag_is_set().

  895. 

  896. 2011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata

  897.   Move AVMetadata from lavf to lavu and rename it to

  898.   AVDictionary -- new installed header dict.h.

  899.   All av_metadata_* functions renamed to av_dict_*.

  900. 

  901. 2011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()

  902.   Add av_get_bytes_per_sample() in libavutil/samplefmt.h.

  903.   Deprecate av_get_bits_per_sample_fmt().

  904. 

  905. 2011-06-05 - b39b062 - lavu 51.3.0 - opt.h

  906.   Add av_opt_free convenience function.

  907. 

  908. 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h

  909.   Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate

  910.   avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.

  911. 

  912. 2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h

  913.   Add fps_probe_size to AVFormatContext.

  914. 

  915. 2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt

  916.   Add request_sample_fmt field to AVCodecContext.

  917. 

  918. 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h

  919.   Deprecate AVLPCType and the following fields in

  920.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  921.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  922.   Corresponding FLAC encoder options should be used instead.

  923. 

  924. 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h

  925.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  927.   libavcodec/avcodec.h.

  928. 

  929. 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h

  930.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  931. 

  932. 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  933.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  934. 

  935. 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h

  936.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  937. 

  938. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  940.     4de339e introduce side information for AVPacket

  941.     2d8591c make containers pass palette change in AVPacket

  942. 

  943. 2011-04-12 - lavf 52.107.0 - avio.h

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

  945.     175389c add avio_check as a replacement for url_exist

  946.     ff1ec0c add avio_pause and avio_seek_time as replacements

  947.             for _av_url_read_fseek/fpause

  948.     cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  949.             should be used instead.

  950.     80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

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

  952.     f8270bb add avio_enum_protocols.

  953.     5593f03 deprecate URLProtocol.

  954.     c486dad deprecate URLContext.

  955.     026e175 deprecate the typedef for URLInterruptCB

  956.     8e76a19 deprecate av_register_protocol2.

  957.     b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  958.     1305d93 deprecate av_url_read_seek

  959.     fa104e1 deprecate av_url_read_pause

  960.     727c7aa deprecate url_get_filename().

  961.     5958df3 deprecate url_max_packet_size().

  962.     1869ea0 deprecate url_get_file_handle().

  963.     32a97d4 deprecate url_filesize().

  964.     e52a914 deprecate url_close().

  965.     58a48c6 deprecate url_seek().

  966.     925e908 deprecate url_write().

  967.     dce3756 deprecate url_read_complete().

  968.     bc371ac deprecate url_read().

  969.     0589da0 deprecate url_open().

  970.     62eaaea deprecate url_connect.

  971.     5652bb9 deprecate url_alloc.

  972.     333e894 deprecate url_open_protocol

  973.     e230705 deprecate url_poll and URLPollEntry

  974. 

  975. 2011-04-10 - lavu  50.40.0 - pixfmt.h

  976.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  977. 

  978. 2011-04-08 - lavf 52.106.0 - avformat.h

  979.   Minor avformat.h cleanup:

  980.     a9bf9d8 deprecate av_guess_image2_codec

  981.     c3675df rename avf_sdp_create->av_sdp_create

  982. 

  983. 2011-04-03 - lavf 52.105.0 - avio.h

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

  985.     724f6a0 deprecate url_fdopen

  986.     403ee83 deprecate url_open_dyn_packet_buf

  987.     6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  988.     b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  989.     8978fed introduce an AVIOContext.seekable field as a replacement for

  990.             AVIOContext.is_streamed and url_is_streamed()

  991.     b64030f deprecate get_checksum()

  992.     4c4427a deprecate init_checksum()

  993.     4ec153b deprecate udp_set_remote_url/get_local_port

  994.     933e90a deprecate av_url_read_fseek/fpause

  995.     8d9769a deprecate url_fileno

  996.     b7f2fdd rename put_flush_packet -> avio_flush

  997.     35f1023 deprecate url_close_buf

  998.     83fddae deprecate url_open_buf

  999.     d9d86e0 rename url_fprintf -> avio_printf

  1000.     59f65d9 deprecate url_setbufsize

  1001.     3e68b3b deprecate url_ferror

  1002.     66e5b1d deprecate url_feof

  1003.     e8bb2e2 deprecate url_fget_max_packet_size

  1004.     76aa876 rename url_fsize -> avio_size

  1005.     e519753 deprecate url_fgetc

  1006.     655e45e deprecate url_fgets

  1007.     a2704c9 rename url_ftell -> avio_tell

  1008.     e16ead0 deprecate get_strz() in favor of avio_get_str

  1009.     0300db8,2af07d3 rename url_fskip -> avio_skip

  1010.     6b4aa5d rename url_fseek -> avio_seek

  1011.     61840b4 deprecate put_tag

  1012.     22a3212 rename url_fopen/fclose -> avio_open/close.

  1013.     0ac8e2b deprecate put_nbyte

  1014.     77eb550 rename put_byte          -> avio_w8

  1015.                    put_[b/l]e<type>  -> avio_w[b/l]<type>

  1016.                    put_buffer        -> avio_write

  1017.     b7effd4 rename get_byte          -> avio_r8,

  1018.                    get_[b/l]e<type>  -> avio_r[b/l]<type>

  1019.                    get_buffer        -> avio_read

  1020.     b3db9ce deprecate get_partial_buffer

  1021.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  1022. 

  1023. 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  1024.   Add audio_service_type field to AVCodecContext.

  1025. 

  1026. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  1027.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  1028.   source stream timebase for outputting timestamps. Deprecate

  1029.   av_pkt_dump and av_pkt_dump_log.

  1030. 

  1031. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

  1032.   * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the

  1033.               original, and move it to a private header so it is no longer

  1034.               part of our public API. Instead, use av_alloc_put_byte().

  1035.   * ae628ec - rename ByteIOContext to AVIOContext.

  1036. 

  1037. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  1038.                        lavu  52.39.0  - parseutils.h

  1039.   * 610219a - Add av_ prefix to dump_format().

  1040.   * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.

  1041.   * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.

  1042. 

  1043. 2011-02-15 - lavu 52.38.0 - merge libavcore

  1044.   libavcore is merged back completely into libavutil

  1045. 

  1046. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  1047.   Add vbv_delay field to AVCodecContext

  1048. 

  1049. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  1050.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  1051. 

  1052. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  1053.   Add sample_aspect_ratio field to AVFilterLink.

  1054. 

  1055. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  1056.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  1057. 

  1058. 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()

  1059.   Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead

  1060.   set thread_count before calling avcodec_open.

  1061. 

  1062. 2011-02-09 - 778b08a - lavc 52.111.0 - threading API

  1063.   Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/

  1064.   release_buffer()/draw_horiz_band() callbacks for appropriate codecs.

  1065.   Add thread_type and active_thread_type fields to AVCodecContext.

  1066. 

  1067. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

  1068.   Add av_probe_input_buffer() to avformat.h for probing format from a

  1069.   ByteIOContext.

  1070. 

  1071. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  1072.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  1073. 

  1074. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  1075.   Add avformat_free_context() in avformat.h.

  1076. 

  1077. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  1078.   Add CODEC_ID_PRORES to avcodec.h.

  1079. 

  1080. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

  1081.   Add defines for H.264 * Constrained Baseline and Intra profiles

  1082. 

  1083. 2011-02-02 - lavf 52.95.0

  1084.   * 50196a9 - add a new installed header version.h.

  1085.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

  1086.     avio_{put,get}_str* functions.  Deprecate corresponding semi-public

  1087.     {put,get}_str*.

  1088. 

  1089. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  1090.   Make av_dlog public.

  1091. 

  1092. 2011-01-15 - a242ac3 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  1093.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  1094. 

  1095. 2011-01-14 - 7f88a5b - lavf 52.93.0 - av_metadata_copy()

  1096.   Add av_metadata_copy() in avformat.h.

  1097. 

  1098. 2011-01-07 - 81c623f - lavc 52.107.0 - deprecate reordered_opaque

  1099.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  1100. 

  1101. 2011-01-07 - 1919fea - lavc 52.106.0 - pkt_dts

  1102.   Add pkt_dts to AVFrame, this will in the future allow multithreading decoders

  1103.   to not mess up dts.

  1104. 

  1105. 2011-01-07 - 393cbb9 - lavc 52.105.0 - pkt_pts

  1106.   Add pkt_pts to AVFrame.

  1107. 

  1108. 2011-01-07 - 060ec0a - lavc 52.104.0 - av_get_profile_name()

  1109.   Add av_get_profile_name to libavcodec/avcodec.h.

  1110. 

  1111. 2010-12-27 - 0ccabee - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  1112.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  1113. 

  1114. 2010-12-27 - 9128ae0 - lavf 52.91.0 - av_find_best_stream()

  1115.   Add av_find_best_stream to libavformat/avformat.h.

  1116. 

  1117. 2010-12-27 - 107a7e3 - lavf 52.90.0

  1118.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  1119.   like e.g. text metadata.

  1120. 

  1121. 2010-12-22 - 0328b9e - lavu 50.36.0 - file.h

  1122.   Add functions av_file_map() and av_file_unmap() in file.h.

  1123. 

  1124. 2010-12-19 - 0bc55f5 - lavu 50.35.0 - error.h

  1125.   Add "not found" error codes:

  1126.   AVERROR_DEMUXER_NOT_FOUND

  1127.   AVERROR_MUXER_NOT_FOUND

  1128.   AVERROR_DECODER_NOT_FOUND

  1129.   AVERROR_ENCODER_NOT_FOUND

  1130.   AVERROR_PROTOCOL_NOT_FOUND

  1131.   AVERROR_FILTER_NOT_FOUND

  1132.   AVERROR_BSF_NOT_FOUND

  1133.   AVERROR_STREAM_NOT_FOUND

  1134. 

  1135. 2010-12-09 - c61cdd0 - lavcore 0.16.0 - avcore.h

  1136.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  1137.   avcodec.h to avcore.h.

  1138. 

  1139. 2010-12-04 - 16cfc96 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

  1140.   Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.

  1141. 

  1142. 2010-12-04 - bb4afa1 - lavu 50.34.0 - av_get_pix_fmt_string()

  1143.   Deprecate avcodec_pix_fmt_string() in favor of

  1144.   pixdesc.h/av_get_pix_fmt_string().

  1145. 

  1146. 2010-12-04 - 4da12e3 - lavcore 0.15.0 - av_image_alloc()

  1147.   Add av_image_alloc() to libavcore/imgutils.h.

  1148. 

  1149. 2010-12-02 - 037be76 - lavfi 1.67.0 - avfilter_graph_create_filter()

  1150.   Add function avfilter_graph_create_filter() in avfiltergraph.h.

  1151. 

  1152. 2010-11-25 - 4723bc2 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  1153.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  1154.   avfilter.h.

  1155. 

  1156. 2010-11-21 - 176a615 - lavcore 0.14.0 - audioconvert.h

  1157.   Add a public audio channel API in audioconvert.h, and deprecate the

  1158.   corresponding functions in libavcodec:

  1159.   avcodec_get_channel_name()

  1160.   avcodec_get_channel_layout()

  1161.   avcodec_get_channel_layout_string()

  1162.   avcodec_channel_layout_num_channels()

  1163.   and the CH_* macros defined in libavcodec/avcodec.h.

  1164. 

  1165. 2010-11-21 - 6bfc268 - lavf 52.85.0 - avformat.h

  1166.   Add av_append_packet().

  1167. 

  1168. 2010-11-21 - a08d918 - lavc 52.97.0 - avcodec.h

  1169.   Add av_grow_packet().

  1170. 

  1171. 2010-11-17 - 0985e1a - lavcore 0.13.0 - parseutils.h

  1172.   Add av_parse_color() declared in libavcore/parseutils.h.

  1173. 

  1174. 2010-11-13 - cb2c971 - lavc 52.95.0 - AVCodecContext

  1175.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  1176.   fields.

  1177. 

  1178. 2010-11-13 - 5aaea02 - lavfi 1.62.0 - avfiltergraph.h

  1179.   Make avfiltergraph.h public.

  1180. 

  1181. 2010-11-13 - 4fcbb2a - lavfi 1.61.0 - avfiltergraph.h

  1182.   Remove declarations from avfiltergraph.h for the functions:

  1183.   avfilter_graph_check_validity()

  1184.   avfilter_graph_config_links()

  1185.   avfilter_graph_config_formats()

  1186.   which are now internal.

  1187.   Use avfilter_graph_config() instead.

  1188. 

  1189. 2010-11-08 - d2af720 - lavu 50.33.0 - eval.h

  1190.   Deprecate functions:

  1191.   av_parse_and_eval_expr(),

  1192.   av_parse_expr(),

  1193.   av_eval_expr(),

  1194.   av_free_expr(),

  1195.   in favor of the functions:

  1196.   av_expr_parse_and_eval(),

  1197.   av_expr_parse(),

  1198.   av_expr_eval(),

  1199.   av_expr_free().

  1200. 

  1201. 2010-11-08 - 24de0ed - lavfi 1.59.0 - avfilter_free()

  1202.   Rename avfilter_destroy() to avfilter_free().

  1203.   This change breaks libavfilter API/ABI.

  1204. 

  1205. 2010-11-07 - 1e80a0e - lavfi 1.58.0 - avfiltergraph.h

  1206.   Remove graphparser.h header, move AVFilterInOut and

  1207.   avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.

  1208. 

  1209. 2010-11-07 - 7313132 - lavfi 1.57.0 - AVFilterInOut

  1210.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  1211.   This change breaks libavfilter API.

  1212. 

  1213. 2010-11-04 - 97dd1e4 - lavfi 1.56.0 - avfilter_graph_free()

  1214.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  1215.   This change breaks libavfilter API/ABI.

  1216. 

  1217. 2010-11-04 - e15aeea - lavfi 1.55.0 - avfilter_graph_alloc()

  1218.   Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.

  1219. 

  1220. 2010-11-02 - 6f84cd1 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

  1221.   Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and

  1222.   deprecate av_get_bits_per_sample_format().

  1223. 

  1224. 2010-11-02 - d63e456 - lavcore 0.11.0 - samplefmt.h

  1225.   Add sample format functions in libavcore/samplefmt.h:

  1226.   av_get_sample_fmt_name(),

  1227.   av_get_sample_fmt(),

  1228.   av_get_sample_fmt_string(),

  1229.   and deprecate the corresponding libavcodec/audioconvert.h functions:

  1230.   avcodec_get_sample_fmt_name(),

  1231.   avcodec_get_sample_fmt(),

  1232.   avcodec_sample_fmt_string().

  1233. 

  1234. 2010-11-02 - 262d1c5 - lavcore 0.10.0 - samplefmt.h

  1235.   Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum

  1236.   SampleFormat.

  1237. 

  1238. 2010-10-16 - 2a24df9 - lavfi 1.52.0 - avfilter_graph_config()

  1239.   Add the function avfilter_graph_config() in avfiltergraph.h.

  1240. 

  1241. 2010-10-15 - 03700d3 - lavf 52.83.0 - metadata API

  1242.   Change demuxers to export metadata in generic format and

  1243.   muxers to accept generic format. Deprecate the public

  1244.   conversion API.

  1245. 

  1246. 2010-10-10 - 867ae7a - lavfi 1.49.0 - AVFilterLink.time_base

  1247.   Add time_base field to AVFilterLink.

  1248. 

  1249. 2010-09-27 - c85eef4 - lavu 50.31.0 - av_set_options_string()

  1250.   Move av_set_options_string() from libavfilter/parseutils.h to

  1251.   libavutil/opt.h.

  1252. 

  1253. 2010-09-27 - acc0490 - lavfi 1.47.0 - AVFilterLink

  1254.   Make the AVFilterLink fields srcpad and dstpad store the pointers to

  1255.   the source and destination pads, rather than their indexes.

  1256. 

  1257. 2010-09-27 - 372e288 - lavu 50.30.0 - av_get_token()

  1258.   Move av_get_token() from libavfilter/parseutils.h to

  1259.   libavutil/avstring.h.

  1260. 

  1261. 2010-09-26 - 635d4ae - lsws 0.12.0 - swscale.h

  1262.   Add the functions sws_alloc_context() and sws_init_context().

  1263. 

  1264. 2010-09-26 - 6ed0404 - lavu 50.29.0 - opt.h

  1265.   Move libavcodec/opt.h to libavutil/opt.h.

  1266. 

  1267. 2010-09-24 - 1c1c80f - lavu 50.28.0 - av_log_set_flags()

  1268.   Default of av_log() changed due to many problems to the old no repeat

  1269.   detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before

  1270.   enabling it for your app!.

  1271. 

  1272. 2010-09-24 - f66eb58 - lavc 52.90.0 - av_opt_show2()

  1273.   Deprecate av_opt_show() in favor or av_opt_show2().

  1274. 

  1275. 2010-09-14 - bc6f0af - lavu 50.27.0 - av_popcount()

  1276.   Add av_popcount() to libavutil/common.h.

  1277. 

  1278. 2010-09-08 - c6c98d0 - lavu 50.26.0 - av_get_cpu_flags()

  1279.   Add av_get_cpu_flags().

  1280. 

  1281. 2010-09-07 - 34017fd - lavcore 0.9.0 - av_image_copy()

  1282.   Add av_image_copy().

  1283. 

  1284. 2010-09-07 - 9686abb - lavcore 0.8.0 - av_image_copy_plane()

  1285.   Add av_image_copy_plane().

  1286. 

  1287. 2010-09-07 - 9b7269e - lavcore 0.7.0 - imgutils.h

  1288.   Adopt hierarchical scheme for the imgutils.h function names,

  1289.   deprecate the old names.

  1290. 

  1291. 2010-09-04 - 7160bb7 - lavu 50.25.0 - AV_CPU_FLAG_*

  1292.   Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor

  1293.   of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.

  1294. 

  1295. 2010-08-26 - 5da19b5 - lavc 52.87.0 - avcodec_get_channel_layout()

  1296.   Add avcodec_get_channel_layout() in audioconvert.h.

  1297. 

  1298. 2010-08-20 - e344336 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  1299.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  1300. 

  1301. 2010-08-18 - a6ddf8b - lavcore 0.5.0 - av_fill_image_max_pixstep()

  1302.   Add av_fill_image_max_pixstep() in imgutils.h.

  1303. 

  1304. 2010-08-17 - 4f2d2e4 - lavu 50.24.0 - AV_NE()

  1305.   Add the AV_NE macro.

  1306. 

  1307. 2010-08-17 - ad2c950 - lavfi 1.36.0 - audio framework

  1308.   Implement AVFilterBufferRefAudioProps struct for audio properties,

  1309.   get_audio_buffer(), filter_samples() functions and related changes.

  1310. 

  1311. 2010-08-12 - 81c1eca - lavcore 0.4.0 - av_get_image_linesize()

  1312.   Add av_get_image_linesize() in imgutils.h.

  1313. 

  1314. 2010-08-11 - c1db7bf - lavfi 1.34.0 - AVFilterBufferRef

  1315.   Resize data and linesize arrays in AVFilterBufferRef to 8.

  1316. 

  1317.   This change breaks libavfilter API/ABI.

  1318. 

  1319. 2010-08-11 - 9f08d80 - lavc 52.85.0 - av_picture_data_copy()

  1320.   Add av_picture_data_copy in avcodec.h.

  1321. 

  1322. 2010-08-11 - 84c0386 - lavfi 1.33.0 - avfilter_open()

  1323.   Change avfilter_open() signature:

  1324.   AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->

  1325.   int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);

  1326. 

  1327.   This change breaks libavfilter API/ABI.

  1328. 

  1329. 2010-08-11 - cc80caf - lavfi 1.32.0 - AVFilterBufferRef

  1330.   Add a type field to AVFilterBufferRef, and move video specific

  1331.   properties to AVFilterBufferRefVideoProps.

  1332. 

  1333.   This change breaks libavfilter API/ABI.

  1334. 

  1335. 2010-08-07 - 5d4890d - lavfi 1.31.0 - AVFilterLink

  1336.   Rename AVFilterLink fields:

  1337.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  1338.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  1339.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  1340. 

  1341. 2010-08-07 - 7fce481 - lavfi 1.30.0

  1342.   Rename functions and fields:

  1343.   avfilter_(un)ref_pic       -> avfilter_(un)ref_buffer

  1344.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  1345.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  1346. 

  1347. 2010-08-07 - ecc8dad - lavfi 1.29.0 - AVFilterBufferRef

  1348.   Rename AVFilterPicRef to AVFilterBufferRef.

  1349. 

  1350. 2010-08-07 - d54e094 - lavfi 1.28.0 - AVFilterBuffer

  1351.   Move format field from AVFilterBuffer to AVFilterPicRef.

  1352. 

  1353. 2010-08-06 - bf176f5 - lavcore 0.3.0 - av_check_image_size()

  1354.   Deprecate avcodec_check_dimensions() in favor of the function

  1355.   av_check_image_size() defined in libavcore/imgutils.h.

  1356. 

  1357. 2010-07-30 - 56b5e9d - lavfi 1.27.0 - AVFilterBuffer

  1358.   Increase size of the arrays AVFilterBuffer.data and

  1359.   AVFilterBuffer.linesize from 4 to 8.

  1360. 

  1361.   This change breaks libavfilter ABI.

  1362. 

  1363. 2010-07-29 - e7bd48a - lavcore 0.2.0 - imgutils.h

  1364.   Add functions av_fill_image_linesizes() and

  1365.   av_fill_image_pointers(), declared in libavcore/imgutils.h.

  1366. 

  1367. 2010-07-27 - 126b638 - lavcore 0.1.0 - parseutils.h

  1368.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

  1369.   defined in libavcodec in favor of the newly added functions

  1370.   av_parse_video_size() and av_parse_video_rate() declared in

  1371.   libavcore/parseutils.h.

  1372. 

  1373. 2010-07-23 - 4485247 - lavu 50.23.0 - mathematics.h

  1374.   Add the M_PHI constant definition.

  1375. 

  1376. 2010-07-22 - bdab614 - lavfi 1.26.0 - media format generalization

  1377.   Add a type field to AVFilterLink.

  1378. 

  1379.   Change the field types:

  1380.   enum PixelFormat format   -> int format   in AVFilterBuffer

  1381.   enum PixelFormat *formats -> int *formats in AVFilterFormats

  1382.   enum PixelFormat *format  -> int format   in AVFilterLink

  1383. 

  1384.   Change the function signatures:

  1385.   AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->

  1386.   AVFilterFormats *avfilter_make_format_list(const int *fmts);

  1387. 

  1388.   int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->

  1389.   int avfilter_add_format    (AVFilterFormats **avff, int fmt);

  1390. 

  1391.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  1392.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  1393. 

  1394.   This change breaks libavfilter API/ABI.

  1395. 

  1396. 2010-07-21 - aac6ca6 - lavcore 0.0.0

  1397.   Add libavcore.

  1398. 

  1399. 2010-07-17 - b5c582f - lavfi 1.25.0 - AVFilterBuffer

  1400.   Remove w and h fields from AVFilterBuffer.

  1401. 

  1402. 2010-07-17 - f0d77b2 - lavfi 1.24.0 - AVFilterBuffer

  1403.   Rename AVFilterPic to AVFilterBuffer.

  1404. 

  1405. 2010-07-17 - 57fe80f - lavf 52.74.0 - url_fskip()

  1406.   Make url_fskip() return an int error code instead of void.

  1407. 

  1408. 2010-07-11 - 23940f1 - lavc 52.83.0

  1409.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  1410.   Add AVLPCType enum.

  1411.   Deprecate AVCodecContext.use_lpc.

  1412. 

  1413. 2010-07-11 - e1d7c88 - lavc 52.82.0 - avsubtitle_free()

  1414.   Add a function for free the contents of a AVSubtitle generated by

  1415.   avcodec_decode_subtitle.

  1416. 

  1417. 2010-07-11 - b91d08f - lavu 50.22.0 - bswap.h and intreadwrite.h

  1418.   Make the bswap.h and intreadwrite.h API public.

  1419. 

  1420. 2010-07-08 - ce1cd1c - lavu 50.21.0 - pixdesc.h

  1421.   Rename read/write_line() to av_read/write_image_line().

  1422. 

  1423. 2010-07-07 - 4d508e4 - lavfi 1.21.0 - avfilter_copy_picref_props()

  1424.   Add avfilter_copy_picref_props().

  1425. 

  1426. 2010-07-03 - 2d525ef - lavc 52.79.0

  1427.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  1428.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  1429. 

  1430. 2010-07-02 - 89eec74 - lavu 50.20.0 - lfg.h

  1431.   Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through

  1432.   lfg.h.

  1433. 

  1434. 2010-06-28 - a52e2c3 - lavfi 1.20.1 - av_parse_color()

  1435.   Extend av_parse_color() syntax, make it accept an alpha value specifier and

  1436.   set the alpha value to 255 by default.

  1437. 

  1438. 2010-06-22 - 735cf6b - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  1439.   Add priv_data_size and priv_data_class to URLProtocol.

  1440. 

  1441. 2010-06-22 - ffbb289 - lavf 52.70.0 - url_alloc(), url_connect()

  1442.   Add url_alloc() and url_connect().

  1443. 

  1444. 2010-06-22 - 9b07a2d - lavf 52.69.0 - av_register_protocol2()

  1445.   Add av_register_protocol2(), deprecating av_register_protocol().

  1446. 

  1447. 2010-06-09 - 65db058 - lavu 50.19.0 - av_compare_mod()

  1448.   Add av_compare_mod() to libavutil/mathematics.h.

  1449. 

  1450. 2010-06-05 - 0b99215 - lavu 50.18.0 - eval API

  1451.   Make the eval API public.

  1452. 

  1453. 2010-06-04 - 31878fc - lavu 50.17.0 - AV_BASE64_SIZE

  1454.   Add AV_BASE64_SIZE() macro.

  1455. 

  1456. 2010-06-02 - 7e566bb - lavc 52.73.0 - av_get_codec_tag_string()

  1457.   Add av_get_codec_tag_string().

  1458. 

  1459. 2010-06-01 - 2b99142 - lsws 0.11.0 - convertPalette API

  1460.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  1461. 

  1462. 2010-05-26 - 93ebfee - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  1463.   Add CODEC_CAP_EXPERIMENTAL flag.

  1464.   NOTE: this was backported to 0.6

  1465. 

  1466. 2010-05-23 - 9977863 - lavu 50.16.0 - av_get_random_seed()

  1467.   Add av_get_random_seed().

  1468. 

  1469. 2010-05-18 - 796ac23 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

  1470.   Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.

  1471.   NOTE: this was backported to 0.6

  1472. 

  1473. 2010-05-09 - b6bc205 - lavfi 1.20.0 - AVFilterPicRef

  1474.   Add interlaced and top_field_first fields to AVFilterPicRef.

  1475. 

  1476. ------------------------------8<-------------------------------------

  1477.                    0.6 branch was cut here

  1478. ----------------------------->8--------------------------------------

  1479. 

  1480. 2010-05-01 - 8e2ee18 - lavf 52.62.0 - probe function

  1481.   Add av_probe_input_format2 to API, it allows ignoring probe

  1482.   results below given score and returns the actual probe score.

  1483. 

  1484. 2010-04-01 - 3dd6180 - lavf 52.61.0 - metadata API

  1485.   Add a flag for av_metadata_set2() to disable overwriting of

  1486.   existing tags.

  1487. 

  1488. 2010-04-01 - 0fb49b5 - lavc 52.66.0

  1489.   Add avcodec_get_edge_width().

  1490. 

  1491. 2010-03-31 - d103218 - lavc 52.65.0

  1492.   Add avcodec_copy_context().

  1493. 

  1494. 2010-03-31 - 1a70d12 - lavf 52.60.0 - av_match_ext()

  1495.   Make av_match_ext() public.

  1496. 

  1497. 2010-03-31 - 1149150 - lavu 50.14.0 - AVMediaType

  1498.   Move AVMediaType enum from libavcodec to libavutil.

  1499. 

  1500. 2010-03-31 - 72415b2 - lavc 52.64.0 - AVMediaType

  1501.   Define AVMediaType enum, and use it instead of enum CodecType, which

  1502.   is deprecated and will be dropped at the next major bump.

  1503. 

  1504. 2010-03-25 - 8795823 - lavu 50.13.0 - av_strerror()

  1505.   Implement av_strerror().

  1506. 

  1507. 2010-03-23 - e1484eb - lavc 52.60.0 - av_dct_init()

  1508.   Support DCT-I and DST-I.

  1509. 

  1510. 2010-03-15 - b8819c8 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  1511.   Add AVFormatContext.start_time_realtime field.

  1512. 

  1513. 2010-03-13 - 5bb5c1d - lavfi 1.18.0 - AVFilterPicRef.pos

  1514.   Add AVFilterPicRef.pos field.

  1515. 

  1516. 2010-03-13 - 60c144f - lavu 50.12.0 - error.h

  1517.   Move error code definitions from libavcodec/avcodec.h to

  1518.   the new public header libavutil/error.h.

  1519. 

  1520. 2010-03-07 - c709483 - lavc 52.56.0 - avfft.h

  1521.   Add public FFT interface.

  1522. 

  1523. 2010-03-06 - ac6ef86 - lavu 50.11.0 - av_stristr()

  1524.   Add av_stristr().

  1525. 

  1526. 2010-03-03 - 4b83fc0 - lavu 50.10.0 - av_tree_enumerate()

  1527.   Add av_tree_enumerate().

  1528. 

  1529. 2010-02-07 - b687c1a - lavu 50.9.0 - av_compare_ts()

  1530.   Add av_compare_ts().

  1531. 

  1532. 2010-02-05 - 3f3dc76 - lsws 0.10.0 - sws_getCoefficients()

  1533.   Add sws_getCoefficients().

  1534. 

  1535. 2010-02-01 - ca76a11 - lavf 52.50.0 - metadata API

  1536.   Add a list of generic tag names, change 'author' -> 'artist',

  1537.   'year' -> 'date'.

  1538. 

  1539. 2010-01-30 - 80a07f6 - lavu 50.8.0 - av_get_pix_fmt()

  1540.   Add av_get_pix_fmt().

  1541. 

  1542. 2010-01-21 - 01cc47d - lsws 0.9.0 - sws_scale()

  1543.   Change constness attributes of sws_scale() parameters.

  1544. 

  1545. 2010-01-10 - 3fb8e77 - lavfi 1.15.0 - avfilter_graph_config_links()

  1546.   Add a log_ctx parameter to avfilter_graph_config_links().

  1547. 

  1548. 2010-01-07 - 8e9767f - lsws 0.8.0 - sws_isSupported{In,Out}put()

  1549.   Add sws_isSupportedInput() and sws_isSupportedOutput() functions.

  1550. 

  1551. 2010-01-06 - c1d662f - lavfi 1.14.0 - avfilter_add_colorspace()

  1552.   Change the avfilter_add_colorspace() signature, make it accept an

  1553.   (AVFilterFormats **) rather than an (AVFilterFormats *) as before.

  1554. 

  1555. 2010-01-03 - 4fd1f18 - lavfi 1.13.0 - avfilter_add_colorspace()

  1556.   Add avfilter_add_colorspace().

  1557. 

  1558. 2010-01-02 - 8eb631f - lavf 52.46.0 - av_match_ext()

  1559.   Add av_match_ext(), it should be used in place of match_ext().

  1560. 

  1561. 2010-01-01 - a1f547b - lavf 52.45.0 - av_guess_format()

  1562.   Add av_guess_format(), it should be used in place of guess_format().

  1563. 

  1564. 2009-12-13 - a181981 - lavf 52.43.0 - metadata API

  1565.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  1566.   AV_METADATA_DONT_STRDUP_VAL.

  1567. 

  1568. 2009-12-13 - 277c733 - lavu 50.7.0 - avstring.h API

  1569.   Add av_d2str().

  1570. 

  1571. 2009-12-13 - 02b398e - lavc 52.42.0 - AVStream

  1572.   Add avg_frame_rate.

  1573. 

  1574. 2009-12-12 - 3ba69a1 - lavu 50.6.0 - av_bmg_next()

  1575.   Introduce the av_bmg_next() function.

  1576. 

  1577. 2009-12-05 - a13a543 - lavfi 1.12.0 - avfilter_draw_slice()

  1578.   Add a slice_dir parameter to avfilter_draw_slice().

  1579. 

  1580. 2009-11-26 - 4cc3f6a - lavfi 1.11.0 - AVFilter

  1581.   Remove the next field from AVFilter, this is not anymore required.

  1582. 

  1583. 2009-11-25 - 1433c4a - lavfi 1.10.0 - avfilter_next()

  1584.   Introduce the avfilter_next() function.

  1585. 

  1586. 2009-11-25 - 86a60fa - lavfi 1.9.0 - avfilter_register()

  1587.   Change the signature of avfilter_register() to make it return an

  1588.   int. This is required since now the registration operation may fail.

  1589. 

  1590. 2009-11-25 - 74a0059 - lavu 50.5.0 - pixdesc.h API

  1591.   Make the pixdesc.h API public.

  1592. 

  1593. 2009-10-27 - 243110f - lavfi 1.5.0 - AVFilter.next

  1594.   Add a next field to AVFilter, this is used for simplifying the

  1595.   registration and management of the registered filters.

  1596. 

  1597. 2009-10-23 - cccd292 - lavfi 1.4.1 - AVFilter.description

  1598.   Add a description field to AVFilter.

  1599. 

  1600. 2009-10-19 - 6b5dc05 - lavfi 1.3.0 - avfilter_make_format_list()

  1601.   Change the interface of avfilter_make_format_list() from

  1602.   avfilter_make_format_list(int n, ...) to

  1603.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  1604. 

  1605. 2009-10-18 - 0eb4ff9 - lavfi 1.0.0 - avfilter_get_video_buffer()

  1606.   Make avfilter_get_video_buffer() recursive and add the w and h

  1607.   parameters to it.

  1608. 

  1609. 2009-10-07 - 46c40e4 - lavfi 0.5.1 - AVFilterPic

  1610.   Add w and h fields to AVFilterPic.

  1611. 

  1612. 2009-06-22 - 92400be - lavf 52.34.1 - AVFormatContext.packet_size

  1613.   This is now an unsigned int instead of a signed int.

  1614. 

  1615. 2009-06-19 - a4276ba - lavc 52.32.0 - AVSubtitle.pts

  1616.   Add a pts field to AVSubtitle which gives the subtitle packet pts

  1617.   in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will

  1618.   not work right without this.

  1619. 

  1620. 2009-06-03 - 8f3f2e0 - lavc 52.30.2 - AV_PKT_FLAG_KEY

  1621.   PKT_FLAG_KEY has been deprecated and will be dropped at the next

  1622.   major version. Use AV_PKT_FLAG_KEY instead.

  1623. 

  1624. 2009-06-01 - f988ce6 - lavc 52.30.0 - av_lockmgr_register()

  1625.   av_lockmgr_register() can be used to register a callback function

  1626.   that lavc (and in the future, libraries that depend on lavc) can use

  1627.   to implement mutexes. The application should provide a callback function

  1628.   that implements the AV_LOCK_* operations described in avcodec.h.

  1629.   When the lock manager is registered, FFmpeg is guaranteed to behave

  1630.   correctly in a multi-threaded application.

  1631. 

  1632. 2009-04-30 - ce1d9c8 - lavc 52.28.0 - av_free_packet()

  1633.   av_free_packet() is no longer an inline function. It is now exported.

  1634. 

  1635. 2009-04-11 - 80d403f - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

  1636.   Please use NULL instead. This has been supported since r16506

  1637.   (lavf > 52.23.1, lavc > 52.10.0).

  1638. 

  1639. 2009-04-07 - 7a00bba - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

  1640.   The old decoding functions are deprecated, all new code should use the

  1641.   new functions avcodec_decode_video2(), avcodec_decode_audio3() and

  1642.   avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt

  1643.   argument instead of a const uint8_t *buf / int buf_size pair.

  1644. 

  1645. 2009-04-03 - 7b09db3 - lavu 50.3.0 - av_fifo_space()

  1646.   Introduce the av_fifo_space() function.

  1647. 

  1648. 2009-04-02 - fabd246 - lavc 52.23.0 - AVPacket

  1649.   Move AVPacket declaration from libavformat/avformat.h to

  1650.   libavcodec/avcodec.h.

  1651. 

  1652. 2009-03-22 - 6e08ca9 - lavu 50.2.0 - RGB32 pixel formats

  1653.   Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,

  1654.   PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.

  1655.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  1656.   PIX_FMT_BGR32_1 are now macros.

  1657.   avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.

  1658.   Re-sort the enum PixelFormat list accordingly.

  1659.   This change breaks API/ABI backward compatibility.

  1660. 

  1661. 2009-03-22 - f82674e - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  1662.   Add the enum PixelFormat values:

  1663.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  1664.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  1665. 

  1666. 2009-03-21 - ee6624e - lavu 50.0.0  - av_random*

  1667.   The Mersenne Twister PRNG implemented through the av_random* functions

  1668.   was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions

  1669.   instead.

  1670. 

  1671. 2009-03-08 - 41dd680 - lavu 50.0.0  - AVFifoBuffer

  1672.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  1673.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  1674.   and av_fifo_realloc2.

  1675.   In addition, the order of the function arguments of av_fifo_generic_read

  1676.   was changed to match av_fifo_generic_write.

  1677.   The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by

  1678.   applications, they may not use sizeof() or directly access members.

  1679. 

  1680. 2009-03-01 - ec26457 - lavf 52.31.0 - Generic metadata API

  1681.   Introduce a new metadata API (see av_metadata_get() and friends).

  1682.   The old API is now deprecated and should not be used anymore. This especially

  1683.   includes the following structure fields:

  1684.     - AVFormatContext.title

  1685.     - AVFormatContext.author

  1686.     - AVFormatContext.copyright

  1687.     - AVFormatContext.comment

  1688.     - AVFormatContext.album

  1689.     - AVFormatContext.year

  1690.     - AVFormatContext.track

  1691.     - AVFormatContext.genre

  1692.     - AVStream.language

  1693.     - AVStream.filename

  1694.     - AVProgram.provider_name

  1695.     - AVProgram.name

  1696.     - AVChapter.title