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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 or the API was added.

  3. 

  4. The last version increases were:

  5. libavcodec:    2013-03-xx

  6. libavdevice:   2013-03-xx

  7. libavfilter:   2012-06-22

  8. libavformat:   2013-03-xx

  9. libavresample: 2012-10-05

  10. libpostproc:   2011-04-18

  11. libswresample: 2011-09-19

  12. libswscale:    2011-06-20

  13. libavutil:     2012-10-22

  14. 

  15. 

  16. API changes, most recent first:

  17. 

  18. 2013-04-19 - xxxxxxx - lavc 55.4.100

  19.   Add AV_CODEC_PROP_TEXT_SUB property for text based subtitles codec.

  20. 

  21. 2013-04-18 - xxxxxxx - lavf 55.3.100

  22.   The matroska demuxer can now output proper verbatim ASS packets. It will

  23.   become the default starting lavf 56.0.100.

  24. 

  25. 2013-04-10 - xxxxxxx - lavu 25.26.100 - avutil.h,opt.h

  26.   Add av_int_list_length()

  27.   and av_opt_set_int_list().

  28. 

  29. 2013-03-30 - xxxxxxx - lavu 52.24.100 - samplefmt.h

  30.   Add av_samples_alloc_array_and_samples().

  31. 

  32. 2013-03-29 - xxxxxxx - lavf 55.1.100 - avformat.h

  33.   Add av_guess_frame_rate()

  34. 

  35. 2013-03-20 - xxxxxxx - lavu 52.22.100 - opt.h

  36.   Add AV_OPT_TYPE_DURATION value to AVOptionType enum.

  37. 

  38. 2013-03-17 - xxxxxx - lavu 52.20.100 - opt.h

  39.   Add AV_OPT_TYPE_VIDEO_RATE value to AVOptionType enum.

  40. 

  41. 2013-03-07 - xxxxxx - lavu 52.18.100 - avstring.h,bprint.h

  42.   Add av_escape() and av_bprint_escape() API.

  43. 

  44. 2013-02-24 - xxxxxx - lavfi 3.41.100 - buffersink.h

  45.   Add sample_rates field to AVABufferSinkParams.

  46. 

  47. 2013-01-17 - a1a707f - lavf 54.61.100

  48.   Add av_codec_get_tag2().

  49. 

  50. 2013-01-01 - 2eb2e17 - lavfi 3.34.100

  51.   Add avfilter_get_audio_buffer_ref_from_arrays_channels.

  52. 

  53. 2012-12-20 - 34de47aa - lavfi 3.29.100 - avfilter.h

  54.   Add AVFilterLink.channels, avfilter_link_get_channels()

  55.   and avfilter_ref_get_channels().

  56. 

  57. 2012-12-15 - 2ada584d - lavc 54.80.100 - avcodec.h

  58.   Add pkt_size field to AVFrame.

  59. 

  60. 2012-11-25 - c70ec631 - lavu 52.9.100 - opt.h

  61.   Add the following convenience functions to opt.h:

  62.    av_opt_get_image_size

  63.    av_opt_get_pixel_fmt

  64.    av_opt_get_sample_fmt

  65.    av_opt_set_image_size

  66.    av_opt_set_pixel_fmt

  67.    av_opt_set_sample_fmt

  68. 

  69. 2012-11-17 - 4cd74c81 - lavu 52.8.100 - bprint.h

  70.   Add av_bprint_strftime().

  71. 

  72. 2012-11-15 - 92648107 - lavu 52.7.100 - opt.h

  73.   Add av_opt_get_key_value().

  74. 

  75. 2012-11-13 - 79456652 - lavfi 3.23.100 - avfilter.h

  76.   Add channels field to AVFilterBufferRefAudioProps.

  77. 

  78. 2012-11-03 - 481fdeee - lavu 52.3.100 - opt.h

  79.   Add AV_OPT_TYPE_SAMPLE_FMT value to AVOptionType enum.

  80. 

  81. 2012-10-21 - 6fb2fd8 - lavc  54.68.100 - avcodec.h

  82.                        lavfi  3.20.100 - avfilter.h

  83.   Add AV_PKT_DATA_STRINGS_METADATA side data type, used to transmit key/value

  84.   strings between AVPacket and AVFrame, and add metadata field to

  85.   AVCodecContext (which shall not be accessed by users; see AVFrame metadata

  86.   instead).

  87. 

  88. 2012-09-27 - a70b493 - lavd 54.3.100 - version.h

  89.   Add LIBAVDEVICE_IDENT symbol.

  90. 

  91. 2012-09-27 - a70b493 - lavfi 3.18.100 - version.h

  92.   Add LIBAVFILTER_IDENT symbol.

  93. 

  94. 2012-09-27 - a70b493 - libswr 0.16.100 - version.h

  95.   Add LIBSWRESAMPLE_VERSION, LIBSWRESAMPLE_BUILD

  96.   and LIBSWRESAMPLE_IDENT symbols.

  97. 

  98. 2012-09-06 - 29e972f - lavu 51.72.100 - parseutils.h

  99.   Add av_small_strptime() time parsing function.

  100. 

  101.   Can be used as a stripped-down replacement for strptime(), on

  102.   systems which do not support it.

  103. 

  104. 2012-08-25 - 2626cc4 - lavf 54.28.100

  105.   Matroska demuxer now identifies SRT subtitles as AV_CODEC_ID_SUBRIP instead

  106.   of AV_CODEC_ID_TEXT.

  107. 

  108. 2012-08-13 - 5c0d8bc - lavfi 3.8.100 - avfilter.h

  109.   Add avfilter_get_class() function, and priv_class field to AVFilter

  110.   struct.

  111. 

  112. 2012-08-12 - a25346e - lavu 51.69.100 - opt.h

  113.   Add AV_OPT_FLAG_FILTERING_PARAM symbol in opt.h.

  114. 

  115. 2012-07-31 - 23fc4dd - lavc 54.46.100

  116.   Add channels field to AVFrame.

  117. 

  118. 2012-07-30 - f893904 - lavu 51.66.100

  119.   Add av_get_channel_description()

  120.   and av_get_standard_channel_layout() functions.

  121. 

  122. 2012-07-21 - 016a472 - lavc 54.43.100

  123.   Add decode_error_flags field to AVFrame.

  124. 

  125. 2012-07-20 - b062936 - lavf 54.18.100

  126.   Add avformat_match_stream_specifier() function.

  127. 

  128. 2012-07-14 - f49ec1b - lavc 54.38.100 - avcodec.h

  129.   Add metadata to AVFrame, and the accessor functions

  130.   av_frame_get_metadata() and av_frame_set_metadata().

  131. 

  132. 2012-07-10 - 0e003d8 - lavc 54.33.100

  133.   Add av_fast_padded_mallocz().

  134. 

  135. 2012-07-10 - 21d5609 - lavfi 3.2.0 - avfilter.h

  136.   Add init_opaque() callback to AVFilter struct.

  137. 

  138. 2012-06-26 - e6674e4 - lavu 51.63.100 - imgutils.h

  139.   Add functions to libavutil/imgutils.h:

  140.   av_image_get_buffer_size()

  141.   av_image_fill_arrays()

  142.   av_image_copy_to_buffer()

  143. 

  144. 2012-06-24 - c41899a - lavu 51.62.100 - version.h

  145.   version moved from avutil.h to version.h

  146. 

  147. 2012-04-11 - 359abb1 - lavu 51.58.100 - error.h

  148.   Add av_make_error_string() and av_err2str() utilities to

  149.   libavutil/error.h.

  150. 

  151. 2012-06-05 - 62b39d4 - lavc 54.24.100

  152.   Add pkt_duration field to AVFrame.

  153. 

  154. 2012-05-24 - f2ee065 - lavu 51.54.100

  155.   Move AVPALETTE_SIZE and AVPALETTE_COUNT macros from

  156.   libavcodec/avcodec.h to libavutil/pixfmt.h.

  157. 

  158. 2012-05-14 - 94a9ac1 - lavf 54.5.100

  159.   Add av_guess_sample_aspect_ratio() function.

  160. 

  161. 2012-04-20 - 65fa7bc - lavfi 2.70.100

  162.   Add avfilter_unref_bufferp() to avfilter.h.

  163. 

  164. 2012-04-13 - 162e400 - lavfi 2.68.100

  165.   Install libavfilter/asrc_abuffer.h public header.

  166. 

  167. 2012-03-26 - a67d9cf - lavfi 2.66.100

  168.   Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.

  169. 

  170. 2013-04-xx - xxxxxxx - lavc 55.4.0 - avcodec.h

  171.   Add field_order to AVCodecParserContext.

  172. 

  173. 2013-03-xx - xxxxxxx - lavc 55.2.0 - avcodec.h

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

  175. 

  176. 2013-04-11 - lavfi 3.8.0

  177.   38f0c07 - Move all content from avfiltergraph.h to avfilter.h. Deprecate

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

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

  180.             avfilter_graph_add_filter().

  181.   1113672 - Add AVFilterContext.graph pointing to the AVFilterGraph that contains the

  182.             filter.

  183.   48a5ada - Add avfilter_init_str(), deprecate avfilter_init_filter().

  184.   1ba95a9 - Add avfilter_init_dict().

  185.   7cdd737 - Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.

  186.   7e8fe4b - Add avfilter_pad_count() for counting filter inputs/outputs.

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

  188.             Deprecate avfilter_uninit().

  189. 

  190. 2013-04-09 - lavfi 3.7.0 - avfilter.h

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

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

  193.   8114c10 - Add avfilter_get_class().

  194.   Switch all filters to use AVOptions.

  195. 

  196. 2013-03-19 - 2c328a9 - lavu 52.9.0 - pixdesc.h

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

  198. 

  199. 2013-03-16 - 42c7c61 - lavfi 3.6.0

  200.   Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.

  201. 

  202. 2013-03-08 - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0,

  203. lavd 54.0.0, lavfi 3.5.0

  204.   8e401db, 1cec062 - add a new API for reference counted buffers and buffer

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

  206.   1afddbe - add AVPacket.buf to allow reference counting for the AVPacket data.

  207.             Add av_packet_from_data() function for constructing packets from

  208.             av_malloc()ed data.

  209.   7ecc2d4 - move AVFrame from lavc to lavu (new header libavutil/frame.h), add

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

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

  212.   759001c - add the refcounted_frames field to AVCodecContext to make audio and

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

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

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

  216.             implementation.

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

  218.             reget_buffer(), avcodec_default_get_buffer(),

  219.             avcodec_default_reget_buffer(), avcodec_default_release_buffer().

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

  221.             been called from outside of lavc.

  222.             Deprecate the following AVFrame fields:

  223.                 * base -- is now stored in AVBufferRef

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

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

  226.                   have been acessed from outside of lavc

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

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

  229.                   which are not exported anymore.

  230.   7e35037 - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add

  231.             av_buffersrc_add_frame(), deprecate av_buffersrc_buffer().

  232.             Add av_buffersink_get_frame() and av_buffersink_get_samples(),

  233.             deprecate av_buffersink_read() and av_buffersink_read_samples().

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

  235. 

  236. 2013-03-17 - 12c5c1d - lavu 52.8.0 - avstring.h

  237.   Add av_isdigit, av_isgraph, av_isspace, av_isxdigit.

  238. 

  239. 2013-02-23 - 9f12235 - lavfi 3.4.0 - avfiltergraph.h

  240.   Add resample_lavr_opts to AVFilterGraph for setting libavresample options

  241.   for auto-inserted resample filters.

  242. 

  243. 2013-01-25 - 38c1466 - lavu 52.7.0 - dict.h

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

  245.   string.

  246. 

  247. 2013-01-25 - b85a5e8 - lavu 52.6.0 - avstring.h

  248.   Add av_strnstr()

  249. 

  250. 2013-01-15 - 8ee288d - lavu 52.5.0 - hmac.h

  251.   Add AVHMAC.

  252. 

  253. 2013-01-13 - 44e065d - lavc 54.87.100 / 54.36.0 - vdpau.h

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

  255. 

  256. 2013-01-12 - dae382b / 169fb94 - lavu 52.14.100 / 52.4.0 - pixdesc.h

  257.   Add AV_PIX_FMT_VDPAU flag.

  258. 

  259. 2013-01-07 - 249fca3 / 074a00d - lavr 1.1.0

  260.   Add avresample_set_channel_mapping() for input channel reordering,

  261.   duplication, and silencing.

  262. 

  263. 2012-12-29 - 2ce43b3 / d8fd06c - lavu 52.13.100 / 52.3.0 - avstring.h

  264.   Add av_basename() and av_dirname().

  265. 

  266. 2012-11-11 - 03b0787 / 5980f5d - lavu 52.6.100 / 52.2.0 - audioconvert.h

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

  268. 

  269. 2012-11-05 - 7d26be6 / dfde8a3 - lavu 52.5.100 / 52.1.0 - intmath.h

  270.   Add av_ctz() for trailing zero bit count

  271. 

  272. 2012-10-21 - e3a91c5 / a893655 - lavu 51.77.100 / 51.45.0 - error.h

  273.   Add AVERROR_EXPERIMENTAL

  274. 

  275. 2012-10-12 - a33ed6b / d2fcb35 - lavu 51.76.100 / 51.44.0 - pixdesc.h

  276.   Add functions for accessing pixel format descriptors.

  277.   Accessing the av_pix_fmt_descriptors array directly is now

  278.   deprecated.

  279. 

  280. 2012-10-11 - f391e40 / 9a92aea - lavu 51.75.100 / 51.43.0 - aes.h, md5.h, sha.h, tree.h

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

  282. 

  283. 2012-10-10 - de31814 / b522000 - lavf 54.32.100 / 54.18.0 - avio.h

  284.   Add avio_closep to complement avio_close.

  285. 

  286. 2012-10-08 - ae77266 / 78071a1 - lavu 51.74.100 / 51.42.0 - pixfmt.h

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

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

  289.   AVPixelFormat.

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

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

  292.   or stop using the PixelFormat name.

  293. 

  294. 2012-10-05 - 55c49af / e7ba5b1 - lavr 1.0.0 - avresample.h

  295.   Data planes parameters to avresample_convert() and

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

  297.   Libavresample is now stable.

  298. 

  299. 2012-09-24 - 46a3595 / a42aada - lavc 54.59.100 / 54.28.0 - avcodec.h

  300.   Add avcodec_free_frame(). This function must now

  301.   be used for freeing an AVFrame.

  302. 

  303. 2012-09-12 - e3e09f2 / 8919fee - lavu 51.73.100 / 51.41.0 - audioconvert.h

  304.   Added AV_CH_LOW_FREQUENCY_2 channel mask value.

  305. 

  306. 2012-09-04 - b21b5b0 / 686a329 - lavu 51.71.100 / 51.40.0 - opt.h

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

  308.   default_val field is used for which AVOptionType.

  309. 

  310. 2012-08-30 - 98298eb / a231832 - lavc 54.54.101 / 54.26.1 - avcodec.h

  311.   Add codec descriptor properties AV_CODEC_PROP_LOSSY and

  312.   AV_CODEC_PROP_LOSSLESS.

  313. 

  314. 2012-08-18 - lavc 54.26 - avcodec.h

  315.   Add codec descriptors for accessing codec properties without having

  316.   to refer to a specific decoder or encoder.

  317. 

  318.   f5f3684 / c223d79 - Add an AVCodecDescriptor struct and functions

  319.             avcodec_descriptor_get() and avcodec_descriptor_next().

  320.   f5f3684 / 51efed1 - Add AVCodecDescriptor.props and AV_CODEC_PROP_INTRA_ONLY.

  321.   6c180b3 / 91e59fe - Add avcodec_descriptor_get_by_name().

  322. 

  323. 2012-08-08 - f5f3684 / 987170c - lavu 51.68.100 / 51.38.0 - dict.h

  324.   Add av_dict_count().

  325. 

  326. 2012-08-07 - 7a72695 / 104e10f - lavc 54.51.100 / 54.25.0 - avcodec.h

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

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

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

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

  331.   CodecID name.

  332. 

  333. 2012-08-03 - e776ee8 / 239fdf1 - lavu 51.66.101 / 51.37.1 - cpu.h

  334.                        lsws 2.1.1   - swscale.h

  335.   Rename AV_CPU_FLAG_MMX2  ---> AV_CPU_FLAG_MMXEXT.

  336.   Rename SWS_CPU_CAPS_MMX2 ---> SWS_CPU_CAPS_MMXEXT.

  337. 

  338. 2012-07-29 - 7c26761 / 681ed00 - lavf 54.22.100 / 54.13.0 - avformat.h

  339.   Add AVFMT_FLAG_NOBUFFER for low latency use cases.

  340. 

  341. 2012-07-10 - 5fade8a - lavu 51.37.0

  342.   Add av_malloc_array() and av_mallocz_array()

  343. 

  344. 2012-06-22 - e847f41 / d3d3a32 - lavu 51.61.100 / 51.34.0

  345.   Add av_usleep()

  346. 

  347. 2012-06-20 - 4da42eb / ae0a301 - lavu 51.60.100 / 51.33.0

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

  349. 

  350. 2012-06-09 - 82edf67 / 3971be0 - lavr 0.0.3

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

  352. 

  353. 2012-06-12 - c7b9eab / 9baeff9 - lavfi 2.79.100 / 2.23.0 - avfilter.h

  354.   Add AVFilterContext.nb_inputs/outputs. Deprecate

  355.   AVFilterContext.input/output_count.

  356. 

  357. 2012-06-12 - c7b9eab / 84b9fbe - lavfi 2.79.100 / 2.22.0 - avfilter.h

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

  359.   should now be used instead of accessing AVFilterPad members

  360.   directly.

  361. 

  362. 2012-06-12 - 3630a07 / b0f0dfc - lavu 51.57.100 / 51.32.0 - audioconvert.h

  363.   Add av_get_channel_layout_channel_index(), av_get_channel_name()

  364.   and av_channel_layout_extract_channel().

  365. 

  366. 2012-05-25 - 53ce990 / 154486f - lavu 51.55.100 / 51.31.0 - opt.h

  367.   Add av_opt_set_bin()

  368. 

  369. 2012-05-15 - lavfi 2.74.100 / 2.17.0

  370.   Add support for audio filters

  371.   61930bd / ac71230, 1cbf7fb / a2cd9be - add video/audio buffer sink in a new installed

  372.                     header buffersink.h

  373.   1cbf7fb / 720c6b7 - add av_buffersrc_write_frame(), deprecate

  374.             av_vsrc_buffer_add_frame()

  375.   61930bd / ab16504 - add avfilter_copy_buf_props()

  376.   61930bd / 9453c9e - add extended_data to AVFilterBuffer

  377.   61930bd / 1b8c927 - add avfilter_get_audio_buffer_ref_from_arrays()

  378. 

  379. 2012-05-09 - lavu 51.53.100 / 51.30.0 - samplefmt.h

  380.   61930bd / 142e740 - add av_samples_copy()

  381.   61930bd / 6d7f617 - add av_samples_set_silence()

  382. 

  383. 2012-05-09 - 61930bd / a5117a2 - lavc 54.21.101 / 54.13.1

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

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

  386.   will handle this internally (effectively all encoders

  387.   behave as if they had CODEC_CAP_SMALL_LAST_FRAME set).

  388. 

  389. 2012-05-07 - 653d117 / 828bd08 - lavc 54.20.100 / 54.13.0 - avcodec.h

  390.   Add sample_rate and channel_layout fields to AVFrame.

  391. 

  392. 2012-05-01 - 2330eb1 / 4010d72 - lavr 0.0.1

  393.   Change AV_MIX_COEFF_TYPE_Q6 to AV_MIX_COEFF_TYPE_Q8.

  394. 

  395. 2012-04-25 - e890b68 / 3527a73 - lavu 51.48.100 / 51.29.0 - cpu.h

  396.   Add av_parse_cpu_flags()

  397. 

  398. 2012-04-24 - 3ead79e / c8af852 - lavr 0.0.0

  399.   Add libavresample audio conversion library

  400. 

  401. 2012-04-20 - 3194ab7 / 0c0d1bc - lavu 51.47.100 / 51.28.0 - audio_fifo.h

  402.   Add audio FIFO functions:

  403.     av_audio_fifo_free()

  404.     av_audio_fifo_alloc()

  405.     av_audio_fifo_realloc()

  406.     av_audio_fifo_write()

  407.     av_audio_fifo_read()

  408.     av_audio_fifo_drain()

  409.     av_audio_fifo_reset()

  410.     av_audio_fifo_size()

  411.     av_audio_fifo_space()

  412. 

  413. 2012-04-14 - lavfi 2.70.100 / 2.16.0 - avfiltergraph.h

  414.   7432bcf / d7bcc71 Add avfilter_graph_parse2().

  415. 

  416. 2012-04-08 - 6bfb304 / 4d693b0 - lavu 51.46.100 / 51.27.0 - samplefmt.h

  417.   Add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()

  418. 

  419. 2012-03-21 - b75c67d - lavu 51.43.100

  420.   Add bprint.h for bprint API.

  421. 

  422. 2012-02-21 - 9cbf17e - lavc 54.4.100

  423.   Add av_get_pcm_codec() function.

  424. 

  425. 2012-02-16 - 560b224 - libswr 0.7.100

  426.   Add swr_set_matrix() function.

  427. 

  428. 2012-02-09 - c28e7af - lavu 51.39.100

  429.   Add a new installed header libavutil/timestamp.h with timestamp

  430.   utilities.

  431. 

  432. 2012-02-06 - 70ffda3 - lavu 51.38.100

  433.   Add av_parse_ratio() function to parseutils.h.

  434. 

  435. 2012-02-06 - 70ffda3 - lavu 51.38.100

  436.   Add AV_LOG_MAX_OFFSET macro to log.h.

  437. 

  438. 2012-02-02 - 0eaa123 - lavu 51.37.100

  439.   Add public timecode helpers.

  440. 

  441. 2012-01-24 - 0c3577b - lavfi 2.60.100

  442.   Add avfilter_graph_dump.

  443. 

  444. 2012-03-20 - 0ebd836 / 3c90cc2 - lavfo 54.2.0

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

  446.   AVFMT_FLAG_NOPARSE | AVFMT_FLAG_NOFILLIN in AVFormatContext.flags

  447. 

  448. 2012-03-05 - lavc 54.10.100 / 54.8.0

  449.   f095391 / 6699d07 Add av_get_exact_bits_per_sample()

  450.   f095391 / 9524cf7 Add av_get_audio_frame_duration()

  451. 

  452. 2012-03-04 - 2af8f2c / 44fe77b - lavc 54.8.100 / 54.7.0 - avcodec.h

  453.   Add av_codec_is_encoder/decoder().

  454. 

  455. 2012-03-01 - 1eb7f39 / 442c132 - lavc 54.5.100 / 54.3.0 - avcodec.h

  456.   Add av_packet_shrink_side_data.

  457. 

  458. 2012-02-29 - 79ae084 / dd2a4bc - lavf 54.2.100 / 54.2.0 - avformat.h

  459.   Add AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,

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

  461. 

  462. 2012-02-25 - 305e4b3 / c9bca80 - lavu 51.41.100 / 51.24.0 - error.h

  463.   Add AVERROR_UNKNOWN

  464.   NOTE: this was backported to 0.8

  465. 

  466. 2012-02-20 - eadd426 / e9cda85 - lavc 54.2.100 / 54.2.0

  467.   Add duration field to AVCodecParserContext

  468. 

  469. 2012-02-20 - eadd426 / 0b42a93 - lavu 51.40.100 / 51.23.1 - mathematics.h

  470.   Add av_rescale_q_rnd()

  471. 

  472. 2012-02-08 - f2b20b7 / 38d5533 - lavu 51.38.101 / 51.22.1 - pixdesc.h

  473.   Add PIX_FMT_PSEUDOPAL flag.

  474. 

  475. 2012-02-08 - f2b20b7 / 52f82a1 - lavc 54.2.100 / 54.1.0

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

  477. 

  478. 2012-02-01 - 4c677df / 316fc74 - lavc 54.1.0

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

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

  481.   zero-padded bytes at the end.

  482. 

  483. 2012-01-31 - a369a6b / dd6d3b0 - lavf 54.1.0

  484.   Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().

  485.   NOTE: this was backported to 0.8

  486. 

  487. 2012-01-31 - a369a6b / af08d9a - lavc 54.1.0

  488.   Add avcodec_is_open() function.

  489.   NOTE: this was backported to 0.8

  490. 

  491. 2012-01-30 - 151ecc2 / 8b93312 - lavu 51.36.100 / 51.22.0 - intfloat.h

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

  493.   functions.

  494.   NOTE: this was backported to 0.8

  495. 

  496. 2012-01-25 - lavf 53.31.100 / 53.22.0

  497.   3c5fe5b / f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possible

  498.           buffered data within a muxer. Added AVFMT_ALLOW_FLUSH for

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

  500.           only for muxers with this flag).

  501. 

  502. 2012-01-15 - lavc 53.56.105 / 53.34.0

  503.   New audio encoding API:

  504.   67f5650 / b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio

  505.           encoders.

  506.   67f5650 / 5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.

  507.   67f5650 / b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().

  508.           Add AVCodec.encode2().

  509. 

  510. 2012-01-12 - b18e17e / 3167dc9 - lavfi 2.59.100 / 2.15.0

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

  512. 

  513. 2011-12-08 - a502939 - lavfi 2.52.0

  514.   Add av_buffersink_poll_frame() to buffersink.h.

  515. 

  516. 2011-12-08 - 26c6fec - lavu 51.31.0

  517.   Add av_log_format_line.

  518. 

  519. 2011-12-03 - 976b095 - lavu 51.30.0

  520.   Add AVERROR_BUG.

  521. 

  522. 2011-11-24 - 573ffbb - lavu 51.28.1

  523.   Add av_get_alt_sample_fmt() to samplefmt.h.

  524. 

  525. 2011-11-03 - 96949da - lavu 51.23.0

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

  527. 

  528. 2011-10-20 - b35e9e1 - lavu 51.22.0

  529.   Add av_strtok() to avstring.h.

  530. 

  531. 2012-01-03 - ad1c8dd / b73ec05 - lavu 51.34.100 / 51.21.0

  532.   Add av_popcount64

  533. 

  534. 2011-12-18 - 7c29313 / 8400b12 - lavc 53.46.1 / 53.28.1

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

  536. 

  537. 2011-12-12 - 8bc7fe4 / 5266045 - lavf 53.25.0 / 53.17.0

  538.   Add avformat_close_input().

  539.   Deprecate av_close_input_file() and av_close_input_stream().

  540. 

  541. 2011-12-02 - e4de716 / 0eea212 - lavc 53.40.0 / 53.25.0

  542.   Add nb_samples and extended_data fields to AVFrame.

  543.   Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.

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

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

  546.   audio decoders to use get_buffer().

  547. 

  548. 2011-12-04 - e4de716 / 560f773 - lavc 53.40.0 / 53.24.0

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

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

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

  552.   Add AV_NUM_DATA_POINTERS to simplify the bump transition.

  553. 

  554. 2011-11-23 - 8e576d5 / bbb46f3 - lavu 51.27.0 / 51.18.0

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

  556.   av_samples_alloc(), to samplefmt.h.

  557. 

  558. 2011-11-23 - 8e576d5 / 8889cc4 - lavu 51.27.0 / 51.17.0

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

  560. 

  561. 2011-11-19 - dbb38bc / f3a29b7 - lavc 53.36.0 / 53.21.0

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

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

  564.   - fields moved:

  565.       AVCodecContext.internal_buffer       --> AVCodecInternal.buffer

  566.       AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count

  567.       AVCodecContext.is_copy               --> AVCodecInternal.is_copy

  568. 

  569. 2011-11-16 - 8709ba9 / 6270671 - lavu 51.26.0 / 51.16.0

  570.   Add av_timegm()

  571. 

  572. 2011-11-13 - lavf 53.21.0 / 53.15.0

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

  574.   interrupt callbacks.

  575.   5f268ca / 6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to

  576.           AVFormatContext.

  577.   5f268ca / 1dee0ac Add avio_open2() with additional parameters. Those are

  578.           an interrupt callback and an options AVDictionary.

  579.           This will allow passing AVOptions to protocols after lavf

  580.           54.0.

  581. 

  582. 2011-11-06 - 13b7781 / ba04ecf - lavu 51.24.0 / 51.14.0

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

  584. 

  585. 2011-11-06 - 13b7781 / 07b172f - lavu 51.24.0 / 51.13.0

  586.   Add av_toupper()/av_tolower()

  587. 

  588. 2011-11-05 - d8cab5c / b6d08f4 - lavf 53.19.0 / 53.13.0

  589.   Add avformat_network_init()/avformat_network_deinit()

  590. 

  591. 2011-10-27 - 6faf0a2 / 512557b - lavc 53.24.0 / 53.15.0

  592.   Remove avcodec_parse_frame.

  593.   Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.

  594. 

  595. 2011-10-19 - d049257 / 569129a - lavf 53.17.0 / 53.10.0

  596.   Add avformat_new_stream(). Deprecate av_new_stream().

  597. 

  598. 2011-10-13 - 91eb1b1 / b631fba - lavf 53.16.0 / 53.9.0

  599.   Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.

  600. 

  601. 2011-10-12 - lavu 51.21.0 / 51.12.0

  602.   AVOptions API rewrite.

  603. 

  604.   - f884ef0 / 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*

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

  606.         f884ef0 / dac66da av_set_string3 -> av_opt_set

  607.                 av_set_double  -> av_opt_set_double

  608.                 av_set_q       -> av_opt_set_q

  609.                 av_set_int     -> av_opt_set_int

  610. 

  611.         f884ef0 / 41d9d51 av_get_string  -> av_opt_get

  612.                 av_get_double  -> av_opt_get_double

  613.                 av_get_q       -> av_opt_get_q

  614.                 av_get_int     -> av_opt_get_int

  615. 

  616.   - f884ef0 / 8c5dcaa trivial rename av_next_option -> av_opt_next

  617.   - f884ef0 / 641c7af new functions - av_opt_child_next, av_opt_child_class_next

  618.     and av_opt_find2()

  619. 

  620. 2011-09-22 - a70e787 - lavu 51.17.0

  621.   Add av_x_if_null().

  622. 

  623. 2011-09-18 - 645cebb - lavc 53.16.0

  624.   Add showall flag2

  625. 

  626. 2011-09-16 - ea8de10 - lavfi 2.42.0

  627.   Add avfilter_all_channel_layouts.

  628. 

  629. 2011-09-16 - 9899037 - lavfi 2.41.0

  630.   Rename avfilter_all_* function names to avfilter_make_all_*.

  631. 

  632.   In particular, apply the renames:

  633.   avfilter_all_formats         -> avfilter_make_all_formats

  634.   avfilter_all_channel_layouts -> avfilter_make_all_channel_layouts

  635.   avfilter_all_packing_formats -> avfilter_make_all_packing_formats

  636. 

  637. 2011-09-12 - 4381bdd - lavfi 2.40.0

  638.   Change AVFilterBufferRefAudioProps.sample_rate type from uint32_t to int.

  639. 

  640. 2011-09-12 - 2c03174 - lavfi 2.40.0

  641.   Simplify signature for avfilter_get_audio_buffer(), make it

  642.   consistent with avfilter_get_video_buffer().

  643. 

  644. 2011-09-06 - 4f7dfe1 - lavfi 2.39.0

  645.   Rename libavfilter/vsink_buffer.h to libavfilter/buffersink.h.

  646. 

  647. 2011-09-06 - c4415f6 - lavfi 2.38.0

  648.   Unify video and audio sink API.

  649. 

  650.   In particular, add av_buffersink_get_buffer_ref(), deprecate

  651.   av_vsink_buffer_get_video_buffer_ref() and change the value for the

  652.   opaque field passed to the abuffersink init function.

  653. 

  654. 2011-09-04 - 61e2e29 - lavu 51.16.0

  655.   Add av_asprintf().

  656. 

  657. 2011-08-22 - dacd827 - lavf 53.10.0

  658.   Add av_find_program_from_stream().

  659. 

  660. 2011-08-20 - 69e2c1a - lavu 51.13.0

  661.   Add av_get_media_type_string().

  662. 

  663. 2011-09-03 - 1889c67 / fb4ca26 - lavc 53.13.0

  664.                        lavf 53.11.0

  665.                        lsws  2.1.0

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

  667. 

  668. 2011-08-03 - 1889c67 / c11fb82 - lavu 51.15.0

  669.   Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.

  670. 

  671. 2011-08-14 - 323b930 - lavu 51.12.0

  672.   Add av_fifo_peek2(), deprecate av_fifo_peek().

  673. 

  674. 2011-08-26 - lavu 51.14.0 / 51.9.0

  675.   - 976a8b2 / add41de..976a8b2 / abc78a5 Do not include intfloat_readwrite.h,

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

  677. 

  678. 2011-08-16 - 27fbe31 / 48f9e45 - lavf 53.11.0 / 53.8.0

  679.   Add avformat_query_codec().

  680. 

  681. 2011-08-16 - 27fbe31 / bca06e7 - lavc 53.11.0

  682.   Add avcodec_get_type().

  683. 

  684. 2011-08-06 - 0cb233c / 2f63440 - lavf 53.7.0

  685.   Add error_recognition to AVFormatContext.

  686. 

  687. 2011-08-02 - 1d186e9 / 9d39cbf - lavc 53.9.1

  688.   Add AV_PKT_FLAG_CORRUPT AVPacket flag.

  689. 

  690. 2011-07-16 - b57df29 - lavfi 2.27.0

  691.   Add audio packing negotiation fields and helper functions.

  692. 

  693.   In particular, add AVFilterPacking enum, planar, in_packings and

  694.   out_packings fields to AVFilterLink, and the functions:

  695.   avfilter_set_common_packing_formats()

  696.   avfilter_all_packing_formats()

  697. 

  698. 2011-07-10 - 3602ad7 / a67c061 - lavf 53.6.0

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

  700.   NOTE: this was backported to 0.7

  701. 

  702. 2011-07-10 - 3602ad7 / 0b950fe - lavc 53.8.0

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

  704.   NOTE: this was backported to 0.7

  705. 

  706.   Add avcodec_alloc_context3. Deprecate avcodec_alloc_context() and

  707.   avcodec_alloc_context2().

  708. 

  709. 2011-07-01 - b442ca6 - lavf 53.5.0 - avformat.h

  710.   Add function av_get_output_timestamp().

  711. 

  712. 2011-06-28 - 5129336 - lavu 51.11.0 - avutil.h

  713.   Define the AV_PICTURE_TYPE_NONE value in AVPictureType enum.

  714. 

  715. 2011-06-19 - fd2c0a5 - lavfi 2.23.0 - avfilter.h

  716.   Add layout negotiation fields and helper functions.

  717. 

  718.   In particular, add in_chlayouts and out_chlayouts to AVFilterLink,

  719.   and the functions:

  720.   avfilter_set_common_sample_formats()

  721.   avfilter_set_common_channel_layouts()

  722.   avfilter_all_channel_layouts()

  723. 

  724. 2011-06-19 - 527ca39 - lavfi 2.22.0 - AVFilterFormats

  725.   Change type of AVFilterFormats.formats from int * to int64_t *,

  726.   and update formats handling API accordingly.

  727. 

  728.   avfilter_make_format_list() still takes a int32_t array and converts

  729.   it to int64_t. A new function, avfilter_make_format64_list(), that

  730.   takes int64_t arrays has been added.

  731. 

  732. 2011-06-19 - 44f669e - lavfi 2.21.0 - vsink_buffer.h

  733.   Add video sink buffer and vsink_buffer.h public header.

  734. 

  735. 2011-06-12 - 9fdf772 - lavfi 2.18.0 - avcodec.h

  736.   Add avfilter_get_video_buffer_ref_from_frame() function in

  737.   libavfilter/avcodec.h.

  738. 

  739. 2011-06-12 - c535494 - lavfi 2.17.0 - avfiltergraph.h

  740.   Add avfilter_inout_alloc() and avfilter_inout_free() functions.

  741. 

  742. 2011-06-12 - 6119b23 - lavfi 2.16.0 - avfilter_graph_parse()

  743.   Change avfilter_graph_parse() signature.

  744. 

  745. 2011-06-23 - 686959e / 67e9ae1 - lavu 51.10.0 / 51.8.0 - attributes.h

  746.   Add av_printf_format().

  747. 

  748. 2011-06-16 - 2905e3f / 05e84c9, 2905e3f / 25de595 - lavf 53.4.0 / 53.2.0 - avformat.h

  749.   Add avformat_open_input and avformat_write_header().

  750.   Deprecate av_open_input_stream, av_open_input_file,

  751.   AVFormatParameters and av_write_header.

  752. 

  753. 2011-06-16 - 2905e3f / 7e83e1c, 2905e3f / dc59ec5 - lavu 51.9.0 / 51.7.0 - opt.h

  754.   Add av_opt_set_dict() and av_opt_find().

  755.   Deprecate av_find_opt().

  756.   Add AV_DICT_APPEND flag.

  757. 

  758. 2011-06-10 - 45fb647 / cb7c11c - lavu 51.6.0 - opt.h

  759.   Add av_opt_flag_is_set().

  760. 

  761. 2011-06-10 - c381960 - lavfi 2.15.0 - avfilter_get_audio_buffer_ref_from_arrays

  762.   Add avfilter_get_audio_buffer_ref_from_arrays() to avfilter.h.

  763. 

  764. 2011-06-09 - f9ecb84 / d9f80ea - lavu 51.8.0 - AVMetadata

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

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

  767.   All av_metadata_* functions renamed to av_dict_*.

  768. 

  769. 2011-06-07 - d552f61 / a6703fa - lavu 51.8.0 - av_get_bytes_per_sample()

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

  771.   Deprecate av_get_bits_per_sample_fmt().

  772. 

  773. 2011-06-05 - f956924 / b39b062 - lavu 51.8.0 - opt.h

  774.   Add av_opt_free convenience function.

  775. 

  776. 2011-06-06 - 95a0242 - lavfi 2.14.0 - AVFilterBufferRefAudioProps

  777.   Remove AVFilterBufferRefAudioProps.size, and use nb_samples in

  778.   avfilter_get_audio_buffer() and avfilter_default_get_audio_buffer() in

  779.   place of size.

  780. 

  781. 2011-06-06 - 0bc2cca - lavu 51.6.0 - av_samples_alloc()

  782.   Switch nb_channels and nb_samples parameters order in

  783.   av_samples_alloc().

  784. 

  785. 2011-06-06 - e1c7414 - lavu 51.5.0 - av_samples_*

  786.   Change the data layout created by av_samples_fill_arrays() and

  787.   av_samples_alloc().

  788. 

  789. 2011-06-06 - 27bcf55 - lavfi 2.13.0 - vsrc_buffer.h

  790.   Make av_vsrc_buffer_add_video_buffer_ref() accepts an additional

  791.   flags parameter in input.

  792. 

  793. 2011-06-03 - e977ca2 - lavfi 2.12.0 - avfilter_link_free()

  794.   Add avfilter_link_free() function.

  795. 

  796. 2011-06-02 - 5ad38d9 - lavu 51.4.0 - av_force_cpu_flags()

  797.   Add av_cpu_flags() in libavutil/cpu.h.

  798. 

  799. 2011-05-28 - e71f260 - lavu 51.3.0 - pixdesc.h

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

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

  802. 

  803. 2011-05-25 - 39e4206 / 30315a8 - lavf 53.3.0 - avformat.h

  804.   Add fps_probe_size to AVFormatContext.

  805. 

  806. 2011-05-22 - 5ecdfd0 - lavf 53.2.0 - avformat.h

  807.   Introduce avformat_alloc_output_context2() and deprecate

  808.   avformat_alloc_output_context().

  809. 

  810. 2011-05-22 - 83db719 - lavfi 2.10.0 - vsrc_buffer.h

  811.   Make libavfilter/vsrc_buffer.h public.

  812. 

  813. 2011-05-19 - c000a9f - lavfi 2.8.0 - avcodec.h

  814.   Add av_vsrc_buffer_add_frame() to libavfilter/avcodec.h.

  815. 

  816. 2011-05-14 - 9fdf772 - lavfi 2.6.0 - avcodec.h

  817.   Add avfilter_get_video_buffer_ref_from_frame() to libavfilter/avcodec.h.

  818. 

  819. 2011-05-18 - 75a37b5 / 64150ff - lavc 53.7.0 - AVCodecContext.request_sample_fmt

  820.   Add request_sample_fmt field to AVCodecContext.

  821. 

  822. 2011-05-10 - 59eb12f / 188dea1 - lavc 53.6.0 - avcodec.h

  823.   Deprecate AVLPCType and the following fields in

  824.   AVCodecContext: lpc_coeff_precision, prediction_order_method,

  825.   min_partition_order, max_partition_order, lpc_type, lpc_passes.

  826.   Corresponding FLAC encoder options should be used instead.

  827. 

  828. 2011-05-07 - 9fdf772 - lavfi 2.5.0 - avcodec.h

  829.   Add libavfilter/avcodec.h header and avfilter_copy_frame_props()

  830.   function.

  831. 

  832. 2011-05-07 - 18ded93 - lavc 53.5.0 - AVFrame

  833.   Add format field to AVFrame.

  834. 

  835. 2011-05-07 - 22333a6 - lavc 53.4.0 - AVFrame

  836.   Add width and height fields to AVFrame.

  837. 

  838. 2011-05-01 - 35fe66a - lavfi 2.4.0 - avfilter.h

  839.   Rename AVFilterBufferRefVideoProps.pixel_aspect to

  840.   sample_aspect_ratio.

  841. 

  842. 2011-05-01 - 77e9dee - lavc 53.3.0 - AVFrame

  843.   Add a sample_aspect_ratio field to AVFrame.

  844. 

  845. 2011-05-01 - 1ba5727 - lavc 53.2.0 - AVFrame

  846.   Add a pkt_pos field to AVFrame.

  847. 

  848. 2011-04-29 - 35ceaa7 - lavu 51.2.0 - mem.h

  849.   Add av_dynarray_add function for adding

  850.   an element to a dynamic array.

  851. 

  852. 2011-04-26 - d7e5aeb / bebe72f - lavu 51.1.0 - avutil.h

  853.   Add AVPictureType enum and av_get_picture_type_char(), deprecate

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

  855.   libavcodec/avcodec.h.

  856. 

  857. 2011-04-26 - d7e5aeb / 10d3940 - lavfi 2.3.0 - avfilter.h

  858.   Add pict_type and key_frame fields to AVFilterBufferRefVideo.

  859. 

  860. 2011-04-26 - d7e5aeb / 7a11c82 - lavfi 2.2.0 - vsrc_buffer

  861.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  862. 

  863. 2011-04-21 - 8772156 / 94f7451 - lavc 53.1.0 - avcodec.h

  864.   Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.

  865. 

  866. 2011-04-15 - lavc 52.120.0 - avcodec.h

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

  868.     c407984 / 4de339e introduce side information for AVPacket

  869.     c407984 / 2d8591c make containers pass palette change in AVPacket

  870. 

  871. 2011-04-12 - lavf 52.107.0 - avio.h

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

  873.     c55780d / 175389c add avio_check as a replacement for url_exist

  874.     9891004 / ff1ec0c add avio_pause and avio_seek_time as replacements

  875.             for _av_url_read_fseek/fpause

  876.     d4d0932 / cdc6a87 deprecate av_protocol_next(), avio_enum_protocols

  877.             should be used instead.

  878.     c88caa5 / 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.

  879.     c88caa5 / f87b1b3 rename open flags: URL_* -> AVIO_*

  880.     d4d0932 / f8270bb add avio_enum_protocols.

  881.     d4d0932 / 5593f03 deprecate URLProtocol.

  882.     d4d0932 / c486dad deprecate URLContext.

  883.     d4d0932 / 026e175 deprecate the typedef for URLInterruptCB

  884.     c88caa5 / 8e76a19 deprecate av_register_protocol2.

  885.     11d7841 / b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME

  886.     11d7841 / 1305d93 deprecate av_url_read_seek

  887.     11d7841 / fa104e1 deprecate av_url_read_pause

  888.     434f248 / 727c7aa deprecate url_get_filename().

  889.     434f248 / 5958df3 deprecate url_max_packet_size().

  890.     434f248 / 1869ea0 deprecate url_get_file_handle().

  891.     434f248 / 32a97d4 deprecate url_filesize().

  892.     434f248 / e52a914 deprecate url_close().

  893.     434f248 / 58a48c6 deprecate url_seek().

  894.     434f248 / 925e908 deprecate url_write().

  895.     434f248 / dce3756 deprecate url_read_complete().

  896.     434f248 / bc371ac deprecate url_read().

  897.     434f248 / 0589da0 deprecate url_open().

  898.     434f248 / 62eaaea deprecate url_connect.

  899.     434f248 / 5652bb9 deprecate url_alloc.

  900.     434f248 / 333e894 deprecate url_open_protocol

  901.     434f248 / e230705 deprecate url_poll and URLPollEntry

  902. 

  903. 2011-04-08 - lavf 52.106.0 - avformat.h

  904.   Minor avformat.h cleanup:

  905.     d4d0932 / a9bf9d8 deprecate av_guess_image2_codec

  906.     d4d0932 / c3675df rename avf_sdp_create->av_sdp_create

  907. 

  908. 2011-04-03 - lavf 52.105.0 - avio.h

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

  910.     2cae980 / 724f6a0 deprecate url_fdopen

  911.     2cae980 / 403ee83 deprecate url_open_dyn_packet_buf

  912.     2cae980 / 6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf

  913.     2cae980 / b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf

  914.     2cae980 / 8978fed introduce an AVIOContext.seekable field as a replacement for

  915.             AVIOContext.is_streamed and url_is_streamed()

  916.     1caa412 / b64030f deprecate get_checksum()

  917.     1caa412 / 4c4427a deprecate init_checksum()

  918.     2fd41c9 / 4ec153b deprecate udp_set_remote_url/get_local_port

  919.     4fa0e24 / 933e90a deprecate av_url_read_fseek/fpause

  920.     4fa0e24 / 8d9769a deprecate url_fileno

  921.     0fecf26 / b7f2fdd rename put_flush_packet -> avio_flush

  922.     0fecf26 / 35f1023 deprecate url_close_buf

  923.     0fecf26 / 83fddae deprecate url_open_buf

  924.     0fecf26 / d9d86e0 rename url_fprintf -> avio_printf

  925.     0fecf26 / 59f65d9 deprecate url_setbufsize

  926.     6947b0c / 3e68b3b deprecate url_ferror

  927.     e8bb2e2 deprecate url_fget_max_packet_size

  928.     76aa876 rename url_fsize -> avio_size

  929.     e519753 deprecate url_fgetc

  930.     655e45e deprecate url_fgets

  931.     a2704c9 rename url_ftell -> avio_tell

  932.     e16ead0 deprecate get_strz() in favor of avio_get_str

  933.     0300db8,2af07d3 rename url_fskip -> avio_skip

  934.     6b4aa5d rename url_fseek -> avio_seek

  935.     61840b4 deprecate put_tag

  936.     22a3212 rename url_fopen/fclose -> avio_open/close.

  937.     0ac8e2b deprecate put_nbyte

  938.     77eb550 rename put_byte          -> avio_w8

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

  940.                    put_buffer        -> avio_write

  941.     b7effd4 rename get_byte          -> avio_r8,

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

  943.                    get_buffer        -> avio_read

  944.     b3db9ce deprecate get_partial_buffer

  945.     8d9ac96 rename av_alloc_put_byte -> avio_alloc_context

  946. 

  947. 2011-03-25 - 27ef7b1 / 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type

  948.   Add audio_service_type field to AVCodecContext.

  949. 

  950. 2011-03-17 - e309fdc - lavu 50.40.0 - pixfmt.h

  951.   Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats

  952. 

  953. 2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2

  954.   Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the

  955.   source stream timebase for outputting timestamps. Deprecate

  956.   av_pkt_dump and av_pkt_dump_log.

  957. 

  958. 2011-02-20 - e731b8d - lavf  52.102.0 - avio.h

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

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

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

  962.   * ae628ec - rename ByteIOContext to AVIOContext.

  963. 

  964. 2011-02-16 - 09d171b - lavf  52.101.0 - avformat.h

  965.                        lavu  52.39.0  - parseutils.h

  966.   * 610219a - Add av_ prefix to dump_format().

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

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

  969. 

  970. 2011-02-15 - lavu 52.38.0 - merge libavcore

  971.   libavcore is merged back completely into libavutil

  972. 

  973. 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay

  974.   Add vbv_delay field to AVCodecContext

  975. 

  976. 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS

  977.   Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.

  978. 

  979. 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio

  980.   Add sample_aspect_ratio field to AVFilterLink.

  981. 

  982. 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition

  983.   Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.

  984. 

  985. 2011-02-09 - c0b102c - lavc 52.112.0 - avcodec_thread_init()

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

  987.   set thread_count before calling avcodec_open.

  988. 

  989. 2011-02-09 - 37b00b4 - lavc 52.111.0 - threading API

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

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

  992.   Add thread_type and active_thread_type fields to AVCodecContext.

  993. 

  994. 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer

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

  996.   ByteIOContext.

  997. 

  998. 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h

  999.   Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

  1000. 

  1001. 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()

  1002.   Add avformat_free_context() in avformat.h.

  1003. 

  1004. 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES

  1005.   Add CODEC_ID_PRORES to avcodec.h.

  1006. 

  1007. 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines

  1008.   Add defines for H.264 * Constrained Baseline and Intra profiles

  1009. 

  1010. 2011-02-02 - lavf 52.95.0

  1011.   * 50196a9 - add a new installed header version.h.

  1012.   * 4efd5cf, dccbd97, 93b78d1 - add several variants of public

  1013.     avio_{put,get}_str* functions.  Deprecate corresponding semi-public

  1014.     {put,get}_str*.

  1015. 

  1016. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h

  1017.   Make av_dlog public.

  1018. 

  1019. 2011-01-31 - 7b3ea55 - lavfi 1.76.0 - vsrc_buffer

  1020.   Add sample_aspect_ratio fields to vsrc_buffer arguments

  1021. 

  1022. 2011-01-31 - 910b5b8 - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio

  1023.   Add sample_aspect_ratio field to AVFilterLink.

  1024. 

  1025. 2011-01-15 - a242ac3 - lavfi 1.74.0 - AVFilterBufferRefAudioProps

  1026.   Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.

  1027. 

  1028. 2011-01-14 - 7f88a5b - lavf 52.93.0 - av_metadata_copy()

  1029.   Add av_metadata_copy() in avformat.h.

  1030. 

  1031. 2011-01-07 - 81c623f - lavc 52.107.0 - deprecate reordered_opaque

  1032.   Deprecate reordered_opaque in favor of pkt_pts/dts.

  1033. 

  1034. 2011-01-07 - 1919fea - lavc 52.106.0 - pkt_dts

  1035.   Add pkt_dts to AVFrame, this will in the future allow multithreading decoders

  1036.   to not mess up dts.

  1037. 

  1038. 2011-01-07 - 393cbb9 - lavc 52.105.0 - pkt_pts

  1039.   Add pkt_pts to AVFrame.

  1040. 

  1041. 2011-01-07 - 060ec0a - lavc 52.104.0 - av_get_profile_name()

  1042.   Add av_get_profile_name to libavcodec/avcodec.h.

  1043. 

  1044. 2010-12-27 - 0ccabee - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES

  1045.   Add AV_PERM_NEG_LINESIZES in avfilter.h.

  1046. 

  1047. 2010-12-27 - 9128ae0 - lavf 52.91.0 - av_find_best_stream()

  1048.   Add av_find_best_stream to libavformat/avformat.h.

  1049. 

  1050. 2010-12-27 - 107a7e3 - lavf 52.90.0

  1051.   Add AVFMT_NOSTREAMS flag for formats with no streams,

  1052.   like e.g. text metadata.

  1053. 

  1054. 2010-12-22 - 0328b9e - lavu 50.36.0 - file.h

  1055.   Add functions av_file_map() and av_file_unmap() in file.h.

  1056. 

  1057. 2010-12-19 - 0bc55f5 - lavu 50.35.0 - error.h

  1058.   Add "not found" error codes:

  1059.   AVERROR_DEMUXER_NOT_FOUND

  1060.   AVERROR_MUXER_NOT_FOUND

  1061.   AVERROR_DECODER_NOT_FOUND

  1062.   AVERROR_ENCODER_NOT_FOUND

  1063.   AVERROR_PROTOCOL_NOT_FOUND

  1064.   AVERROR_FILTER_NOT_FOUND

  1065.   AVERROR_BSF_NOT_FOUND

  1066.   AVERROR_STREAM_NOT_FOUND

  1067. 

  1068. 2010-12-09 - c61cdd0 - lavcore 0.16.0 - avcore.h

  1069.   Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from

  1070.   avcodec.h to avcore.h.

  1071. 

  1072. 2010-12-04 - 16cfc96 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES

  1073.   Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.

  1074. 

  1075. 2010-12-04 - bb4afa1 - lavu 50.34.0 - av_get_pix_fmt_string()

  1076.   Deprecate avcodec_pix_fmt_string() in favor of

  1077.   pixdesc.h/av_get_pix_fmt_string().

  1078. 

  1079. 2010-12-04 - 4da12e3 - lavcore 0.15.0 - av_image_alloc()

  1080.   Add av_image_alloc() to libavcore/imgutils.h.

  1081. 

  1082. 2010-12-02 - 037be76 - lavfi 1.67.0 - avfilter_graph_create_filter()

  1083.   Add function avfilter_graph_create_filter() in avfiltergraph.h.

  1084. 

  1085. 2010-11-25 - 4723bc2 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()

  1086.   Add function avfilter_get_video_buffer_ref_from_arrays() in

  1087.   avfilter.h.

  1088. 

  1089. 2010-11-21 - 176a615 - lavcore 0.14.0 - audioconvert.h

  1090.   Add a public audio channel API in audioconvert.h, and deprecate the

  1091.   corresponding functions in libavcodec:

  1092.   avcodec_get_channel_name()

  1093.   avcodec_get_channel_layout()

  1094.   avcodec_get_channel_layout_string()

  1095.   avcodec_channel_layout_num_channels()

  1096.   and the CH_* macros defined in libavcodec/avcodec.h.

  1097. 

  1098. 2010-11-21 - 6bfc268 - lavf 52.85.0 - avformat.h

  1099.   Add av_append_packet().

  1100. 

  1101. 2010-11-21 - a08d918 - lavc 52.97.0 - avcodec.h

  1102.   Add av_grow_packet().

  1103. 

  1104. 2010-11-17 - 0985e1a - lavcore 0.13.0 - parseutils.h

  1105.   Add av_parse_color() declared in libavcore/parseutils.h.

  1106. 

  1107. 2010-11-13 - cb2c971 - lavc 52.95.0 - AVCodecContext

  1108.   Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size

  1109.   fields.

  1110. 

  1111. 2010-11-13 - 5aaea02 - lavfi 1.62.0 - avfiltergraph.h

  1112.   Make avfiltergraph.h public.

  1113. 

  1114. 2010-11-13 - 4fcbb2a - lavfi 1.61.0 - avfiltergraph.h

  1115.   Remove declarations from avfiltergraph.h for the functions:

  1116.   avfilter_graph_check_validity()

  1117.   avfilter_graph_config_links()

  1118.   avfilter_graph_config_formats()

  1119.   which are now internal.

  1120.   Use avfilter_graph_config() instead.

  1121. 

  1122. 2010-11-08 - d2af720 - lavu 50.33.0 - eval.h

  1123.   Deprecate functions:

  1124.   av_parse_and_eval_expr(),

  1125.   av_parse_expr(),

  1126.   av_eval_expr(),

  1127.   av_free_expr(),

  1128.   in favor of the functions:

  1129.   av_expr_parse_and_eval(),

  1130.   av_expr_parse(),

  1131.   av_expr_eval(),

  1132.   av_expr_free().

  1133. 

  1134. 2010-11-08 - 24de0ed - lavfi 1.59.0 - avfilter_free()

  1135.   Rename avfilter_destroy() to avfilter_free().

  1136.   This change breaks libavfilter API/ABI.

  1137. 

  1138. 2010-11-07 - 1e80a0e - lavfi 1.58.0 - avfiltergraph.h

  1139.   Remove graphparser.h header, move AVFilterInOut and

  1140.   avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.

  1141. 

  1142. 2010-11-07 - 7313132 - lavfi 1.57.0 - AVFilterInOut

  1143.   Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.

  1144.   This change breaks libavfilter API.

  1145. 

  1146. 2010-11-04 - 97dd1e4 - lavfi 1.56.0 - avfilter_graph_free()

  1147.   Rename avfilter_graph_destroy() to avfilter_graph_free().

  1148.   This change breaks libavfilter API/ABI.

  1149. 

  1150. 2010-11-04 - e15aeea - lavfi 1.55.0 - avfilter_graph_alloc()

  1151.   Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.

  1152. 

  1153. 2010-11-02 - 6f84cd1 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()

  1154.   Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and

  1155.   deprecate av_get_bits_per_sample_format().

  1156. 

  1157. 2010-11-02 - d63e456 - lavcore 0.11.0 - samplefmt.h

  1158.   Add sample format functions in libavcore/samplefmt.h:

  1159.   av_get_sample_fmt_name(),

  1160.   av_get_sample_fmt(),

  1161.   av_get_sample_fmt_string(),

  1162.   and deprecate the corresponding libavcodec/audioconvert.h functions:

  1163.   avcodec_get_sample_fmt_name(),

  1164.   avcodec_get_sample_fmt(),

  1165.   avcodec_sample_fmt_string().

  1166. 

  1167. 2010-11-02 - 262d1c5 - lavcore 0.10.0 - samplefmt.h

  1168.   Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum

  1169.   SampleFormat.

  1170. 

  1171. 2010-10-16 - 2a24df9 - lavfi 1.52.0 - avfilter_graph_config()

  1172.   Add the function avfilter_graph_config() in avfiltergraph.h.

  1173. 

  1174. 2010-10-15 - 03700d3 - lavf 52.83.0 - metadata API

  1175.   Change demuxers to export metadata in generic format and

  1176.   muxers to accept generic format. Deprecate the public

  1177.   conversion API.

  1178. 

  1179. 2010-10-10 - 867ae7a - lavfi 1.49.0 - AVFilterLink.time_base

  1180.   Add time_base field to AVFilterLink.

  1181. 

  1182. 2010-09-27 - c85eef4 - lavu 50.31.0 - av_set_options_string()

  1183.   Move av_set_options_string() from libavfilter/parseutils.h to

  1184.   libavutil/opt.h.

  1185. 

  1186. 2010-09-27 - acc0490 - lavfi 1.47.0 - AVFilterLink

  1187.   Make the AVFilterLink fields srcpad and dstpad store the pointers to

  1188.   the source and destination pads, rather than their indexes.

  1189. 

  1190. 2010-09-27 - 372e288 - lavu 50.30.0 - av_get_token()

  1191.   Move av_get_token() from libavfilter/parseutils.h to

  1192.   libavutil/avstring.h.

  1193. 

  1194. 2010-09-26 - 635d4ae - lsws 0.12.0 - swscale.h

  1195.   Add the functions sws_alloc_context() and sws_init_context().

  1196. 

  1197. 2010-09-26 - 6ed0404 - lavu 50.29.0 - opt.h

  1198.   Move libavcodec/opt.h to libavutil/opt.h.

  1199. 

  1200. 2010-09-24 - 1c1c80f - lavu 50.28.0 - av_log_set_flags()

  1201.   Default of av_log() changed due to many problems to the old no repeat

  1202.   detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before

  1203.   enabling it for your app!.

  1204. 

  1205. 2010-09-24 - f66eb58 - lavc 52.90.0 - av_opt_show2()

  1206.   Deprecate av_opt_show() in favor or av_opt_show2().

  1207. 

  1208. 2010-09-14 - bc6f0af - lavu 50.27.0 - av_popcount()

  1209.   Add av_popcount() to libavutil/common.h.

  1210. 

  1211. 2010-09-08 - c6c98d0 - lavu 50.26.0 - av_get_cpu_flags()

  1212.   Add av_get_cpu_flags().

  1213. 

  1214. 2010-09-07 - 34017fd - lavcore 0.9.0 - av_image_copy()

  1215.   Add av_image_copy().

  1216. 

  1217. 2010-09-07 - 9686abb - lavcore 0.8.0 - av_image_copy_plane()

  1218.   Add av_image_copy_plane().

  1219. 

  1220. 2010-09-07 - 9b7269e - lavcore 0.7.0 - imgutils.h

  1221.   Adopt hierarchical scheme for the imgutils.h function names,

  1222.   deprecate the old names.

  1223. 

  1224. 2010-09-04 - 7160bb7 - lavu 50.25.0 - AV_CPU_FLAG_*

  1225.   Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor

  1226.   of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.

  1227. 

  1228. 2010-08-26 - 5da19b5 - lavc 52.87.0 - avcodec_get_channel_layout()

  1229.   Add avcodec_get_channel_layout() in audioconvert.h.

  1230. 

  1231. 2010-08-20 - e344336 - lavcore 0.6.0 - av_fill_image_max_pixsteps()

  1232.   Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

  1233. 

  1234. 2010-08-18 - a6ddf8b - lavcore 0.5.0 - av_fill_image_max_pixstep()

  1235.   Add av_fill_image_max_pixstep() in imgutils.h.

  1236. 

  1237. 2010-08-17 - 4f2d2e4 - lavu 50.24.0 - AV_NE()

  1238.   Add the AV_NE macro.

  1239. 

  1240. 2010-08-17 - ad2c950 - lavfi 1.36.0 - audio framework

  1241.   Implement AVFilterBufferRefAudioProps struct for audio properties,

  1242.   get_audio_buffer(), filter_samples() functions and related changes.

  1243. 

  1244. 2010-08-12 - 81c1eca - lavcore 0.4.0 - av_get_image_linesize()

  1245.   Add av_get_image_linesize() in imgutils.h.

  1246. 

  1247. 2010-08-11 - c1db7bf - lavfi 1.34.0 - AVFilterBufferRef

  1248.   Resize data and linesize arrays in AVFilterBufferRef to 8.

  1249. 

  1250.   This change breaks libavfilter API/ABI.

  1251. 

  1252. 2010-08-11 - 9f08d80 - lavc 52.85.0 - av_picture_data_copy()

  1253.   Add av_picture_data_copy in avcodec.h.

  1254. 

  1255. 2010-08-11 - 84c0386 - lavfi 1.33.0 - avfilter_open()

  1256.   Change avfilter_open() signature:

  1257.   AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->

  1258.   int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);

  1259. 

  1260.   This change breaks libavfilter API/ABI.

  1261. 

  1262. 2010-08-11 - cc80caf - lavfi 1.32.0 - AVFilterBufferRef

  1263.   Add a type field to AVFilterBufferRef, and move video specific

  1264.   properties to AVFilterBufferRefVideoProps.

  1265. 

  1266.   This change breaks libavfilter API/ABI.

  1267. 

  1268. 2010-08-07 - 5d4890d - lavfi 1.31.0 - AVFilterLink

  1269.   Rename AVFilterLink fields:

  1270.   AVFilterLink.srcpic    ->  AVFilterLink.src_buf

  1271.   AVFilterLink.cur_pic   ->  AVFilterLink.cur_buf

  1272.   AVFilterLink.outpic    ->  AVFilterLink.out_buf

  1273. 

  1274. 2010-08-07 - 7fce481 - lavfi 1.30.0

  1275.   Rename functions and fields:

  1276.   avfilter_(un)ref_pic       -> avfilter_(un)ref_buffer

  1277.   avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props

  1278.   AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

  1279. 

  1280. 2010-08-07 - ecc8dad - lavfi 1.29.0 - AVFilterBufferRef

  1281.   Rename AVFilterPicRef to AVFilterBufferRef.

  1282. 

  1283. 2010-08-07 - d54e094 - lavfi 1.28.0 - AVFilterBuffer

  1284.   Move format field from AVFilterBuffer to AVFilterPicRef.

  1285. 

  1286. 2010-08-06 - bf176f5 - lavcore 0.3.0 - av_check_image_size()

  1287.   Deprecate avcodec_check_dimensions() in favor of the function

  1288.   av_check_image_size() defined in libavcore/imgutils.h.

  1289. 

  1290. 2010-07-30 - 56b5e9d - lavfi 1.27.0 - AVFilterBuffer

  1291.   Increase size of the arrays AVFilterBuffer.data and

  1292.   AVFilterBuffer.linesize from 4 to 8.

  1293. 

  1294.   This change breaks libavfilter ABI.

  1295. 

  1296. 2010-07-29 - e7bd48a - lavcore 0.2.0 - imgutils.h

  1297.   Add functions av_fill_image_linesizes() and

  1298.   av_fill_image_pointers(), declared in libavcore/imgutils.h.

  1299. 

  1300. 2010-07-27 - 126b638 - lavcore 0.1.0 - parseutils.h

  1301.   Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()

  1302.   defined in libavcodec in favor of the newly added functions

  1303.   av_parse_video_size() and av_parse_video_rate() declared in

  1304.   libavcore/parseutils.h.

  1305. 

  1306. 2010-07-23 - 4485247 - lavu 50.23.0 - mathematics.h

  1307.   Add the M_PHI constant definition.

  1308. 

  1309. 2010-07-22 - bdab614 - lavfi 1.26.0 - media format generalization

  1310.   Add a type field to AVFilterLink.

  1311. 

  1312.   Change the field types:

  1313.   enum PixelFormat format   -> int format   in AVFilterBuffer

  1314.   enum PixelFormat *formats -> int *formats in AVFilterFormats

  1315.   enum PixelFormat *format  -> int format   in AVFilterLink

  1316. 

  1317.   Change the function signatures:

  1318.   AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->

  1319.   AVFilterFormats *avfilter_make_format_list(const int *fmts);

  1320. 

  1321.   int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->

  1322.   int avfilter_add_format    (AVFilterFormats **avff, int fmt);

  1323. 

  1324.   AVFilterFormats *avfilter_all_colorspaces(void); ->

  1325.   AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);

  1326. 

  1327.   This change breaks libavfilter API/ABI.

  1328. 

  1329. 2010-07-21 - aac6ca6 - lavcore 0.0.0

  1330.   Add libavcore.

  1331. 

  1332. 2010-07-17 - b5c582f - lavfi 1.25.0 - AVFilterBuffer

  1333.   Remove w and h fields from AVFilterBuffer.

  1334. 

  1335. 2010-07-17 - f0d77b2 - lavfi 1.24.0 - AVFilterBuffer

  1336.   Rename AVFilterPic to AVFilterBuffer.

  1337. 

  1338. 2010-07-17 - 57fe80f - lavf 52.74.0 - url_fskip()

  1339.   Make url_fskip() return an int error code instead of void.

  1340. 

  1341. 2010-07-11 - 23940f1 - lavc 52.83.0

  1342.   Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.

  1343.   Add AVLPCType enum.

  1344.   Deprecate AVCodecContext.use_lpc.

  1345. 

  1346. 2010-07-11 - e1d7c88 - lavc 52.82.0 - avsubtitle_free()

  1347.   Add a function for free the contents of a AVSubtitle generated by

  1348.   avcodec_decode_subtitle.

  1349. 

  1350. 2010-07-11 - b91d08f - lavu 50.22.0 - bswap.h and intreadwrite.h

  1351.   Make the bswap.h and intreadwrite.h API public.

  1352. 

  1353. 2010-07-08 - ce1cd1c - lavu 50.21.0 - pixdesc.h

  1354.   Rename read/write_line() to av_read/write_image_line().

  1355. 

  1356. 2010-07-07 - 4d508e4 - lavfi 1.21.0 - avfilter_copy_picref_props()

  1357.   Add avfilter_copy_picref_props().

  1358. 

  1359. 2010-07-03 - 2d525ef - lavc 52.79.0

  1360.   Add FF_COMPLIANCE_UNOFFICIAL and change all instances of

  1361.   FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.

  1362. 

  1363. 2010-07-02 - 89eec74 - lavu 50.20.0 - lfg.h

  1364.   Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through

  1365.   lfg.h.

  1366. 

  1367. 2010-06-28 - a52e2c3 - lavfi 1.20.1 - av_parse_color()

  1368.   Extend av_parse_color() syntax, make it accept an alpha value specifier and

  1369.   set the alpha value to 255 by default.

  1370. 

  1371. 2010-06-22 - 735cf6b - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class

  1372.   Add priv_data_size and priv_data_class to URLProtocol.

  1373. 

  1374. 2010-06-22 - ffbb289 - lavf 52.70.0 - url_alloc(), url_connect()

  1375.   Add url_alloc() and url_connect().

  1376. 

  1377. 2010-06-22 - 9b07a2d - lavf 52.69.0 - av_register_protocol2()

  1378.   Add av_register_protocol2(), deprecating av_register_protocol().

  1379. 

  1380. 2010-06-09 - 65db058 - lavu 50.19.0 - av_compare_mod()

  1381.   Add av_compare_mod() to libavutil/mathematics.h.

  1382. 

  1383. 2010-06-05 - 0b99215 - lavu 50.18.0 - eval API

  1384.   Make the eval API public.

  1385. 

  1386. 2010-06-04 - 31878fc - lavu 50.17.0 - AV_BASE64_SIZE

  1387.   Add AV_BASE64_SIZE() macro.

  1388. 

  1389. 2010-06-02 - 7e566bb - lavc 52.73.0 - av_get_codec_tag_string()

  1390.   Add av_get_codec_tag_string().

  1391. 

  1392. 2010-06-01 - 2b99142 - lsws 0.11.0 - convertPalette API

  1393.   Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().

  1394. 

  1395. 2010-05-26 - 93ebfee - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL

  1396.   Add CODEC_CAP_EXPERIMENTAL flag.

  1397.   NOTE: this was backported to 0.6

  1398. 

  1399. 2010-05-23 - 9977863 - lavu 50.16.0 - av_get_random_seed()

  1400.   Add av_get_random_seed().

  1401. 

  1402. 2010-05-18 - 796ac23 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT

  1403.   Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.

  1404.   NOTE: this was backported to 0.6

  1405. 

  1406. 2010-05-09 - b6bc205 - lavfi 1.20.0 - AVFilterPicRef

  1407.   Add interlaced and top_field_first fields to AVFilterPicRef.

  1408. 

  1409. ------------------------------8<-------------------------------------

  1410.                    0.6 branch was cut here

  1411. ----------------------------->8--------------------------------------

  1412. 

  1413. 2010-05-01 - 8e2ee18 - lavf 52.62.0 - probe function

  1414.   Add av_probe_input_format2 to API, it allows ignoring probe

  1415.   results below given score and returns the actual probe score.

  1416. 

  1417. 2010-04-01 - 3dd6180 - lavf 52.61.0 - metadata API

  1418.   Add a flag for av_metadata_set2() to disable overwriting of

  1419.   existing tags.

  1420. 

  1421. 2010-04-01 - 0fb49b5 - lavc 52.66.0

  1422.   Add avcodec_get_edge_width().

  1423. 

  1424. 2010-03-31 - d103218 - lavc 52.65.0

  1425.   Add avcodec_copy_context().

  1426. 

  1427. 2010-03-31 - 1a70d12 - lavf 52.60.0 - av_match_ext()

  1428.   Make av_match_ext() public.

  1429. 

  1430. 2010-03-31 - 1149150 - lavu 50.14.0 - AVMediaType

  1431.   Move AVMediaType enum from libavcodec to libavutil.

  1432. 

  1433. 2010-03-31 - 72415b2 - lavc 52.64.0 - AVMediaType

  1434.   Define AVMediaType enum, and use it instead of enum CodecType, which

  1435.   is deprecated and will be dropped at the next major bump.

  1436. 

  1437. 2010-03-25 - 8795823 - lavu 50.13.0 - av_strerror()

  1438.   Implement av_strerror().

  1439. 

  1440. 2010-03-23 - e1484eb - lavc 52.60.0 - av_dct_init()

  1441.   Support DCT-I and DST-I.

  1442. 

  1443. 2010-03-15 - b8819c8 - lavf 52.56.0 - AVFormatContext.start_time_realtime

  1444.   Add AVFormatContext.start_time_realtime field.

  1445. 

  1446. 2010-03-13 - 5bb5c1d - lavfi 1.18.0 - AVFilterPicRef.pos

  1447.   Add AVFilterPicRef.pos field.

  1448. 

  1449. 2010-03-13 - 60c144f - lavu 50.12.0 - error.h

  1450.   Move error code definitions from libavcodec/avcodec.h to

  1451.   the new public header libavutil/error.h.

  1452. 

  1453. 2010-03-07 - c709483 - lavc 52.56.0 - avfft.h

  1454.   Add public FFT interface.

  1455. 

  1456. 2010-03-06 - ac6ef86 - lavu 50.11.0 - av_stristr()

  1457.   Add av_stristr().

  1458. 

  1459. 2010-03-03 - 4b83fc0 - lavu 50.10.0 - av_tree_enumerate()

  1460.   Add av_tree_enumerate().

  1461. 

  1462. 2010-02-07 - b687c1a - lavu 50.9.0 - av_compare_ts()

  1463.   Add av_compare_ts().

  1464. 

  1465. 2010-02-05 - 3f3dc76 - lsws 0.10.0 - sws_getCoefficients()

  1466.   Add sws_getCoefficients().

  1467. 

  1468. 2010-02-01 - ca76a11 - lavf 52.50.0 - metadata API

  1469.   Add a list of generic tag names, change 'author' -> 'artist',

  1470.   'year' -> 'date'.

  1471. 

  1472. 2010-01-30 - 80a07f6 - lavu 50.8.0 - av_get_pix_fmt()

  1473.   Add av_get_pix_fmt().

  1474. 

  1475. 2010-01-21 - 01cc47d - lsws 0.9.0 - sws_scale()

  1476.   Change constness attributes of sws_scale() parameters.

  1477. 

  1478. 2010-01-10 - 3fb8e77 - lavfi 1.15.0 - avfilter_graph_config_links()

  1479.   Add a log_ctx parameter to avfilter_graph_config_links().

  1480. 

  1481. 2010-01-07 - 8e9767f - lsws 0.8.0 - sws_isSupported{In,Out}put()

  1482.   Add sws_isSupportedInput() and sws_isSupportedOutput() functions.

  1483. 

  1484. 2010-01-06 - c1d662f - lavfi 1.14.0 - avfilter_add_colorspace()

  1485.   Change the avfilter_add_colorspace() signature, make it accept an

  1486.   (AVFilterFormats **) rather than an (AVFilterFormats *) as before.

  1487. 

  1488. 2010-01-03 - 4fd1f18 - lavfi 1.13.0 - avfilter_add_colorspace()

  1489.   Add avfilter_add_colorspace().

  1490. 

  1491. 2010-01-02 - 8eb631f - lavf 52.46.0 - av_match_ext()

  1492.   Add av_match_ext(), it should be used in place of match_ext().

  1493. 

  1494. 2010-01-01 - a1f547b - lavf 52.45.0 - av_guess_format()

  1495.   Add av_guess_format(), it should be used in place of guess_format().

  1496. 

  1497. 2009-12-13 - a181981 - lavf 52.43.0 - metadata API

  1498.   Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and

  1499.   AV_METADATA_DONT_STRDUP_VAL.

  1500. 

  1501. 2009-12-13 - 277c733 - lavu 50.7.0 - avstring.h API

  1502.   Add av_d2str().

  1503. 

  1504. 2009-12-13 - 02b398e - lavc 52.42.0 - AVStream

  1505.   Add avg_frame_rate.

  1506. 

  1507. 2009-12-12 - 3ba69a1 - lavu 50.6.0 - av_bmg_next()

  1508.   Introduce the av_bmg_next() function.

  1509. 

  1510. 2009-12-05 - a13a543 - lavfi 1.12.0 - avfilter_draw_slice()

  1511.   Add a slice_dir parameter to avfilter_draw_slice().

  1512. 

  1513. 2009-11-26 - 4cc3f6a - lavfi 1.11.0 - AVFilter

  1514.   Remove the next field from AVFilter, this is not anymore required.

  1515. 

  1516. 2009-11-25 - 1433c4a - lavfi 1.10.0 - avfilter_next()

  1517.   Introduce the avfilter_next() function.

  1518. 

  1519. 2009-11-25 - 86a60fa - lavfi 1.9.0 - avfilter_register()

  1520.   Change the signature of avfilter_register() to make it return an

  1521.   int. This is required since now the registration operation may fail.

  1522. 

  1523. 2009-11-25 - 74a0059 - lavu 50.5.0 - pixdesc.h API

  1524.   Make the pixdesc.h API public.

  1525. 

  1526. 2009-10-27 - 243110f - lavfi 1.5.0 - AVFilter.next

  1527.   Add a next field to AVFilter, this is used for simplifying the

  1528.   registration and management of the registered filters.

  1529. 

  1530. 2009-10-23 - cccd292 - lavfi 1.4.1 - AVFilter.description

  1531.   Add a description field to AVFilter.

  1532. 

  1533. 2009-10-19 - 6b5dc05 - lavfi 1.3.0 - avfilter_make_format_list()

  1534.   Change the interface of avfilter_make_format_list() from

  1535.   avfilter_make_format_list(int n, ...) to

  1536.   avfilter_make_format_list(enum PixelFormat *pix_fmts).

  1537. 

  1538. 2009-10-18 - 0eb4ff9 - lavfi 1.0.0 - avfilter_get_video_buffer()

  1539.   Make avfilter_get_video_buffer() recursive and add the w and h

  1540.   parameters to it.

  1541. 

  1542. 2009-10-07 - 46c40e4 - lavfi 0.5.1 - AVFilterPic

  1543.   Add w and h fields to AVFilterPic.

  1544. 

  1545. 2009-06-22 - 92400be - lavf 52.34.1 - AVFormatContext.packet_size

  1546.   This is now an unsigned int instead of a signed int.

  1547. 

  1548. 2009-06-19 - a4276ba - lavc 52.32.0 - AVSubtitle.pts

  1549.   Add a pts field to AVSubtitle which gives the subtitle packet pts

  1550.   in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will

  1551.   not work right without this.

  1552. 

  1553. 2009-06-03 - 8f3f2e0 - lavc 52.30.2 - AV_PKT_FLAG_KEY

  1554.   PKT_FLAG_KEY has been deprecated and will be dropped at the next

  1555.   major version. Use AV_PKT_FLAG_KEY instead.

  1556. 

  1557. 2009-06-01 - f988ce6 - lavc 52.30.0 - av_lockmgr_register()

  1558.   av_lockmgr_register() can be used to register a callback function

  1559.   that lavc (and in the future, libraries that depend on lavc) can use

  1560.   to implement mutexes. The application should provide a callback function

  1561.   that implements the AV_LOCK_* operations described in avcodec.h.

  1562.   When the lock manager is registered, FFmpeg is guaranteed to behave

  1563.   correctly in a multi-threaded application.

  1564. 

  1565. 2009-04-30 - ce1d9c8 - lavc 52.28.0 - av_free_packet()

  1566.   av_free_packet() is no longer an inline function. It is now exported.

  1567. 

  1568. 2009-04-11 - 80d403f - lavc 52.25.0 - deprecate av_destruct_packet_nofree()

  1569.   Please use NULL instead. This has been supported since r16506

  1570.   (lavf > 52.23.1, lavc > 52.10.0).

  1571. 

  1572. 2009-04-07 - 7a00bba - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

  1573.   The old decoding functions are deprecated, all new code should use the

  1574.   new functions avcodec_decode_video2(), avcodec_decode_audio3() and

  1575.   avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt

  1576.   argument instead of a const uint8_t *buf / int buf_size pair.

  1577. 

  1578. 2009-04-03 - 7b09db3 - lavu 50.3.0 - av_fifo_space()

  1579.   Introduce the av_fifo_space() function.

  1580. 

  1581. 2009-04-02 - fabd246 - lavc 52.23.0 - AVPacket

  1582.   Move AVPacket declaration from libavformat/avformat.h to

  1583.   libavcodec/avcodec.h.

  1584. 

  1585. 2009-03-22 - 6e08ca9 - lavu 50.2.0 - RGB32 pixel formats

  1586.   Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,

  1587.   PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.

  1588.   Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and

  1589.   PIX_FMT_BGR32_1 are now macros.

  1590.   avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.

  1591.   Re-sort the enum PixelFormat list accordingly.

  1592.   This change breaks API/ABI backward compatibility.

  1593. 

  1594. 2009-03-22 - f82674e - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  1595.   Add the enum PixelFormat values:

  1596.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  1597.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  1598. 

  1599. 2009-03-21 - ee6624e - lavu 50.0.0  - av_random*

  1600.   The Mersenne Twister PRNG implemented through the av_random* functions

  1601.   was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions

  1602.   instead.

  1603. 

  1604. 2009-03-08 - 41dd680 - lavu 50.0.0  - AVFifoBuffer

  1605.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  1606.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  1607.   and av_fifo_realloc2.

  1608.   In addition, the order of the function arguments of av_fifo_generic_read

  1609.   was changed to match av_fifo_generic_write.

  1610.   The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by

  1611.   applications, they may not use sizeof() or directly access members.

  1612. 

  1613. 2009-03-01 - ec26457 - lavf 52.31.0 - Generic metadata API

  1614.   Introduce a new metadata API (see av_metadata_get() and friends).

  1615.   The old API is now deprecated and should not be used anymore. This especially

  1616.   includes the following structure fields:

  1617.     - AVFormatContext.title

  1618.     - AVFormatContext.author

  1619.     - AVFormatContext.copyright

  1620.     - AVFormatContext.comment

  1621.     - AVFormatContext.album

  1622.     - AVFormatContext.year

  1623.     - AVFormatContext.track

  1624.     - AVFormatContext.genre

  1625.     - AVStream.language

  1626.     - AVStream.filename

  1627.     - AVProgram.provider_name

  1628.     - AVProgram.name

  1629.     - AVChapter.title