since the last major version increase.
The last version increases were:
-libavcodec: 2013-03-xx
-libavdevice: 2013-03-xx
-libavfilter: 2012-06-22
-libavformat: 2013-03-xx
-libavresample: 2012-10-05
-libswscale: 2011-06-20
-libavutil: 2012-10-22
+libavcodec: 2014-08-09
+libavdevice: 2014-08-09
+libavfilter: 2014-08-09
+libavformat: 2014-08-09
+libavresample: 2014-08-09
+libswscale: 2014-08-09
+libavutil: 2014-08-09
API changes, most recent first:
-2013-08-xx - xxxxxxx - lavc 55.11.0 - avcodec.h
+201x-xx-xx - xxxxxxx - lavc 56.8.0 - avcodec.h
+ Add AVCodecContext.sw_pix_fmt.
+
+2014-11-xx - xxxxxxx - lavf 56.06.3 - avformat.h
+ Add AVFormatContext.avoid_negative_ts.
+
+2014-11-xx - xxxxxxx - lavc 56.6.0 - vorbis_parser.h
+ Add a public API for parsing vorbis packets.
+
+2014-10-xx - xxxxxxx - lavu 54.5.0 - time.h
+ Add av_gettime_relative().
+
+2014-10-xx - xxxxxxx - lavc 56.5.0 - avcodec.h
+ Replace AVCodecContext.time_base used for decoding
+ with AVCodecContext.framerate.
+
+2014-10-xx - xxxxxxx - lavc 56.4.0 - avcodec.h
+ Add AV_HWACCEL_FLAG_IGNORE_LEVEL flag to av_vdpau_bind_context().
+
+2014-10-13 - xxxxxxx - lavc 56.03.0 - avcodec.h
+ Add AVCodecContext.initial_padding. Deprecate the use of AVCodecContext.delay
+ for audio encoding.
+
+2014-09-xx - xxxxxxx - lavu 54.04.0 - pixdesc.h
+ Add API to return the name of frame and context color properties.
+
+2014-09-xx - xxxxxxx - lavc 56.2.0 - vdpau.h
+ Add av_vdpau_bind_context(). This function should now be used for creating
+ (or resetting) a AVVDPAUContext instead of av_vdpau_alloc_context().
+
+2014-08-xx - xxxxxxx - lavf 56.03.0 - avformat.h
+ Add AVFormatContext.max_ts_probe.
+
+------------------------------8<-------------------------------------
+ 11 branch was cut here
+----------------------------->8--------------------------------------
+
+2014-08-28 - 9301486 - lavc 56.1.0 - avcodec.h
+ Add AV_PKT_DATA_STEREO3D to export container-level stereo3d information.
+
+2014-08-13 - 8ddc326 - lavu 54.03.0 - mem.h
+ Add av_strndup().
+
+2014-08-13 - a8c104a - lavu 54.02.0 - opt.h
+ Add av_opt_get_dict_val/set_dict_val with AV_OPT_TYPE_DICT to support
+ dictionary types being set as options.
+
+2014-08-13 - afbd4b8 - lavf 56.01.0 - avformat.h
+ Add AVFormatContext.event_flags and AVStream.event_flags for signaling to
+ the user when events happen in the file/stream.
+
+2014-08-10 - fb1ddcd - lavr 2.1.0 - avresample.h
+ Add avresample_convert_frame() and avresample_config().
+
+2014-08-10 - fb1ddcd - lavu 54.1.0 - error.h
+ Add AVERROR_INPUT_CHANGED and AVERROR_OUTPUT_CHANGED.
+
+2014-08-08 - d35b94f - lavc 55.57.4 - avcodec.h
+ Deprecate FF_IDCT_XVIDMMX define and xvidmmx idct option.
+ Replaced by FF_IDCT_XVID and xvid respectively.
+
+2014-08-07 - bb78903 - lsws 2.1.3 - swscale.h
+ sws_getCachedContext is not going to be removed in the future.
+
+2014-08-07 - ad1ee5f - lavc 55.57.3 - avcodec.h
+ reordered_opaque is not going to be removed in the future.
+
+2014-08-04 - e9abafc - lavu 53.22.0 - pixfmt.h
+ Add AV_PIX_FMT_YA16 pixel format for 16 bit packed gray with alpha.
+
+2014-08-04 - e96c3b8 - lavu 53.21.1 - avstring.h
+ Rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8 to better identify the format.
+ An alias pixel format and color space name are provided for compatibility.
+
+2014-08-04 - d2962e9 - lavu 53.21.0 - pixdesc.h
+ Support name aliases for pixel formats.
+
+2014-08-03 - 1ef9e83 - lavc 55.57.2 - avcodec.h
+2014-08-03 - 1ef9e83 - lavu 53.20.0 - frame.h
+ Deprecate AVCodecContext.dtg_active_format and use side-data instead.
+
+2014-08-03 - 9f17685 - lavc 55.57.1 - avcodec.h
+ Deprecate unused FF_IDCT_IPP define and ipp avcodec option.
+ Deprecate unused FF_DEBUG_PTS define and pts avcodec option.
+ Deprecate unused FF_CODER_TYPE_DEFLATE define and deflate avcodec option.
+ Deprecate unused FF_DCT_INT define and int avcodec option.
+ Deprecate unused avcodec option scenechange_factor.
+
+2014-07-29 - 69e7336 - lavu 53.19.0 - avstring.h
+ Make name matching function from lavf public as av_match_name().
+
+2014-07-28 - c5fca01 - lavc 55.57.0 - avcodec.h
+ Add AV_CODEC_PROP_REORDER to mark codecs supporting frame reordering.
+
+2014-07-09 - a54f03b - lavu 53.18.0 - display.h
+ Add av_display_matrix_flip() to flip the transformation matrix.
+
+2014-07-09 - f6ee61f - lavc 55.56.0 - dv_profile.h
+ Add a public API for DV profile handling.
+
+2014-06-20 - 9e500ef - lavu 53.17.0 - imgutils.h
+ Add av_image_check_sar().
+
+2014-06-20 - 874390e - lavc 55.55.0 - avcodec.h
+ Add av_packet_rescale_ts() to simplify timestamp conversion.
+
+2014-06-18 - 194be1f - lavf 55.20.0 - avformat.h
+ The proper way for providing a hint about the desired timebase to the muxers
+ is now setting AVStream.time_base, instead of AVStream.codec.time_base as was
+ done previously. The old method is now deprecated.
+
+2014-06-01 - 0957b27 - lavc 55.54.0 - avcodec.h
+ Add AVCodecContext.side_data_only_packets to allow encoders to output packets
+ with only side data. This option may become mandatory in the future, so all
+ users are recommended to update their code and enable this option.
+
+2014-06-01 - 8c02adc - lavu 53.16.0 - frame.h, pixfmt.h
+ Move all color-related enums (AVColorPrimaries, AVColorSpace, AVColorRange,
+ AVColorTransferCharacteristic, and AVChromaLocation) inside lavu.
+ Add AVFrame fields for them on the next lavu major bump.
+
+2014-05-28 - b2d4565 - lavr 1.3.0 - avresample.h
+ Add avresample_max_output_samples
+
+2014-05-28 - 6d21259 - lavf 55.19.0 - avformat.h
+ Add strict_std_compliance and related AVOptions to support experimental
+ muxing.
+
+2014-05-20 - c23c96b - lavf 55.18.0 - avformat.h
+ Add av_stream_get_side_data() to access stream-level side data
+ in the same way as av_packet_get_side_data().
+
+2014-05-19 - bddd8cb - lavu 53.15.0 - frame.h, display.h
+ Add AV_FRAME_DATA_DISPLAYMATRIX for exporting frame-level
+ spatial rendering on video frames for proper display.
+
+2014-05-19 - bddd8cb - lavc 55.53.0 - avcodec.h
+ Add AV_PKT_DATA_DISPLAYMATRIX for exporting packet-level
+ spatial rendering on video frames for proper display.
+
+2014-05-19 - a312f71 - lavf 55.17.1 - avformat.h
+ Deprecate AVStream.pts and the AVFrac struct, which was its only use case.
+ Those fields were poorly defined and not meant to be public, so there is
+ no replacement for them.
+
+2014-05-18 - fd05602 - lavc 55.52.0 - avcodec.h
+ Add avcodec_free_context(). From now on it should be used for freeing
+ AVCodecContext.
+
+2014-05-15 - 0c1959b - lavf 55.17.0 - avformat.h
+ Add AVFMT_FLAG_BITEXACT flag. Muxers now use it instead of checking
+ CODEC_FLAG_BITEXACT on the first stream.
+
+2014-05-11 - 66e6c8a - lavu 53.14.0 - pixfmt.h
+ Add AV_PIX_FMT_VDA for new-style VDA acceleration.
+
+2014-05-01 - a2941c8 - lavc 55.50.3 - avcodec.h
+ Deprecate CODEC_FLAG_MV0. It is replaced by the flag "mv0" in the
+ "mpv_flags" private option of the mpegvideo encoders.
+
+2014-05-01 - 6484149 - lavc 55.50.2 - avcodec.h
+ Deprecate CODEC_FLAG_GMC. It is replaced by the "gmc" private option of the
+ libxvid encoder.
+
+2014-05-01 - b2c3171 - lavc 55.50.1 - avcodec.h
+ Deprecate CODEC_FLAG_NORMALIZE_AQP. It is replaced by the flag "naq" in the
+ "mpv_flags" private option of the mpegvideo encoders.
+
+2014-05-01 - 5fcceda - avcodec.h
+ Deprecate CODEC_FLAG_INPUT_PRESERVED. Its functionality is replaced by passing
+ reference-counted frames to encoders.
+
+2014-04-28 - ed4b757 - lavc 55.50.0 - dxva2.h
+ Add FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO for old Intel GPUs.
+
+2014-04-22 - 502512e - lavu 53.13.0 - avutil.h
+ Add av_get_time_base_q().
+
+2014-04-17 - 0983d48 - lavu 53.12.0 - crc.h
+ Add AV_CRC_16_ANSI_LE crc variant.
+
+2014-04-07 - 8b17243 - lavu 53.11.0 - pixfmt.h
+ Add AV_PIX_FMT_YVYU422 pixel format.
+
+2014-04-04 - 8542f9c - lavu 53.10.0 - replaygain.h
+ Full scale for peak values is now 100000 (instead of UINT32_MAX) and values
+ may overflow.
+
+2014-04-03 - 7763118 - lavu 53.09.0 - log.h
+ Add AV_LOG(c) macro to have 256 color debug messages.
+
+2014-03-24 - d161ae0 - lavu 53.08.0 - frame.h
+ Add av_frame_remove_side_data() for removing a single side data
+ instance from a frame.
+
+2014-03-24 - 5a7e35d - lavu 53.07.0 - frame.h, replaygain.h
+ Add AV_FRAME_DATA_REPLAYGAIN for exporting replaygain tags.
+ Add a new header replaygain.h with the AVReplayGain struct.
+
+2014-03-24 - 5a7e35d - lavc 55.36.0 - avcodec.h
+ Add AV_PKT_DATA_REPLAYGAIN for exporting replaygain tags.
+
+2014-03-24 - 25b3258 - lavf 55.13.0 - avformat.h
+ Add AVStream.side_data and AVStream.nb_side_data for exporting stream-global
+ side data (e.g. replaygain tags, video rotation)
+
+2014-03-24 - 0e2c3ee - lavc 55.35.0 - avcodec.h
+ Give the name AVPacketSideData to the previously anonymous struct used for
+ AVPacket.side_data.
+
+2014-03-16 - 1481d24 - lavu 53.06.0 - pixfmt.h
+ Add RGBA64 pixel format and variants.
+
+2014-02-24 - 1155fd0 - lavu 53.05.0 - frame.h
+ Add av_frame_copy() for copying the frame data.
+
+2014-02-22 - 7e86c27 - lavr 1.2.0 - avresample.h
+ Add avresample_is_open() for checking whether a resample context is open.
+
+2014-02-19 - c3ecd96 - lavu 53.04.0 - opt.h
+ Add AV_OPT_FLAG_EXPORT and AV_OPT_FLAG_READONLY to mark options meant (only)
+ for reading.
+
+2014-02-19 - 6bb8720 - lavu 53.03.01 - opt.h
+ Deprecate unused AV_OPT_FLAG_METADATA.
+
+------------------------------8<-------------------------------------
+ 10 branch was cut here
+----------------------------->8--------------------------------------
+
+2014-02-15 - c98f316 - lavu 53.3.0 - frame.h
+ Add AV_FRAME_DATA_DOWNMIX_INFO value to the AVFrameSideDataType enum and
+ downmix_info.h API, which identify downmix-related metadata.
+
+2014-02-04 - d9ae103 - lavf 55.11.0 - avformat.h
+ Add AVFormatContext.max_interleave_delta for controlling amount of buffering
+ when interleaving.
+
+2014-01-20 - 93c553c - lavc 55.32.1 - avcodec.h
+ Edges are not required anymore on video buffers allocated by get_buffer2()
+ (i.e. as if the CODEC_FLAG_EMU_EDGE flag was always on). Deprecate
+ CODEC_FLAG_EMU_EDGE and avcodec_get_edge_width().
+
+2014-01-05 - 5b4797a - lavu 53.2.0 - frame.h
+ Add AV_FRAME_DATA_MATRIXENCODING value to the AVFrameSideDataType enum, which
+ identifies AVMatrixEncoding data.
+
+2014-01-05 - 5c437fb - lavu 53.1.0 - channel_layout.h
+ Add values for various Dolby flags to the AVMatrixEncoding enum.
+
+2013-12-20 - 2a41826 - lavc 55.30.0 - avcodec.h
+ Add HEVC profiles
+
+2013-12-11 - b9fb59d,9431356,d7b3ee9 - lavc 55.28.1 - avcodec.h
+ av_frame_alloc(), av_frame_unref() and av_frame_free() now can and should be
+ used instead of avcodec_alloc_frame(), avcodec_get_frame_defaults() and
+ avcodec_free_frame() respectively. The latter three functions are deprecated.
+
+2013-12-09 - 7e244c6- - lavu 52.20.0 - frame.h
+ Add AV_FRAME_DATA_STEREO3D value to the AVFrameSideDataType enum and
+ stereo3d.h API, that identify codec-independent stereo3d information.
+
+2013-11-26 - 1eaac1d- - lavu 52.19.0 - frame.h
+ Add AV_FRAME_DATA_A53_CC value to the AVFrameSideDataType enum, which
+ identifies ATSC A53 Part 4 Closed Captions data.
+
+2013-11-14 - cce3e0a - lavu 52.18.0 - mem.h
+ Move av_fast_malloc() and av_fast_realloc() for libavcodec to libavutil.
+
+2013-11-14 - 8941971 - lavc 55.27.0 - avcodec.h
+ Deprecate AVCodecContext.error_rate, it is replaced by the 'error_rate'
+ private option of the mpegvideo encoder family.
+
+2013-11-14 - 728c465 - lavc 55.26.0 - vdpau.h
+ Add av_vdpau_get_profile().
+ Add av_vdpau_alloc_context(). This function must from now on be
+ used for allocating AVVDPAUContext.
+
+2013-11-04 - cd8f772 - lavc 55.25.0 - avcodec.h
+ Add ITU-R BT.2020 and other not yet included values to color primaries,
+ transfer characteristics and colorspaces.
+
+2013-10-31 - 28096e0 - lavu 52.17.0 - frame.h
+ Add AVFrame.flags and AV_FRAME_FLAG_CORRUPT.
+
+2013-09-28 - 0767bfd - lavfi 3.11.0 - avfilter.h
+ Add AVFilterGraph.execute and AVFilterGraph.opaque for custom slice threading
+ implementations.
+
+2013-09-21 - e208e6d - lavu 52.16.0 - pixfmt.h
+ Add interleaved 4:2:2 8/10-bit formats AV_PIX_FMT_NV16 and
+ AV_PIX_FMT_NV20.
+
+2013-09-16 - 3feb3d6 - lavu 52.15.0 - mem.h
+ Add av_reallocp.
+
+2013-08-10 - 5a9a9d4 - lavc 55.16.0 - avcodec.h
+ Extend AVPacket API with av_packet_unref, av_packet_ref,
+ av_packet_move_ref, av_packet_copy_props, av_packet_free_side_data.
+
+2013-08-05 - f824535 - lavc 55.13.0 - avcodec.h
+ Deprecate the bitstream-related members from struct AVVDPAUContext.
+ The bistream buffers no longer need to be explicitly freed.
+
+2013-08-05 - 549294f - lavc 55.12.0 - avcodec.h
+ Deprecate the CODEC_CAP_HWACCEL_VDPAU codec capability. Use CODEC_CAP_HWACCEL
+ and select the AV_PIX_FMT_VDPAU format with get_format() instead.
+
+2013-08-05 - a0ad5d0 - lavu 52.14.0 - pixfmt.h
+ Deprecate AV_PIX_FMT_VDPAU_*. Use AV_PIX_FMT_VDPAU instead.
+
+2013-08-02 - a8b1927 - lavc 55.11.0 - avcodec.h
Add output_picture_number to AVCodecParserContext.
-2013-06-xx - xxxxxxx - lavc 55.10.0 - avcodec.h
+2013-06-24 - 95d5246 - lavc 55.10.0 - avcodec.h
Add MPEG-2 AAC profiles
-2013-06-xx - xxxxxxx - lavu 52.13.0 - mem.h
+2013-06-04 - fc962d4 - lavu 52.13.0 - mem.h
Add av_realloc_array and av_reallocp_array
-2013-05-xx - xxxxxxx - lavfi 3.10.0 - avfilter.h
+2013-05-24 - 129bb23 - lavfi 3.10.0 - avfilter.h
Add support for slice multithreading to lavfi. Filters supporting threading
are marked with AVFILTER_FLAG_SLICE_THREADS.
New fields AVFilterContext.thread_type, AVFilterGraph.thread_type and
AVFilterGraph.nb_threads (accessible directly or through AVOptions) may be
used to configure multithreading.
-2013-xx-xx - xxxxxxx - lavu 52.12.0 - cpu.h
+2013-05-24 - 2a6eaea - lavu 52.12.0 - cpu.h
Add av_cpu_count() function for getting the number of logical CPUs.
-2013-05-xx - xxxxxxx - lavc 55.7.0 - avcodec.h
+2013-05-24 - b493847 - lavc 55.7.0 - avcodec.h
Add picture_structure to AVCodecParserContext.
-2013-05-xx - xxxxxxx - lavu 52.11.0 - pixdesc.h
+2013-05-15 - e6c4ac7 - lavu 52.11.0 - pixdesc.h
Replace PIX_FMT_* flags with AV_PIX_FMT_FLAG_*.
-2013-04-xx - xxxxxxx - lavc 55.4.0 - avcodec.h
+2013-04-03 - 507b1e4 - lavc 55.4.0 - avcodec.h
Add field_order to AVCodecParserContext.
-2013-03-xx - xxxxxxx - lavc 55.2.0 - avcodec.h
+2013-04-19 - 5e83d9a - lavc 55.2.0 - avcodec.h
Add CODEC_FLAG_UNALIGNED to allow decoders to produce unaligned output.
2013-04-11 - lavfi 3.8.0
Add avresample_set_channel_mapping() for input channel reordering,
duplication, and silencing.
+------------------------------8<-------------------------------------
+ 9 branch was cut here
+----------------------------->8--------------------------------------
+
2012-12-29 - d8fd06c - lavu 52.3.0 - avstring.h
Add av_basename() and av_dirname().
Add avformat_close_input().
Deprecate av_close_input_file() and av_close_input_stream().
+2011-12-09 - b2890f5 - lavu 51.20.0 - audioconvert.h
+ Expand the channel layout list.
+
2011-12-02 - 0eea212 - lavc 53.25.0
Add nb_samples and extended_data fields to AVFrame.
Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.
Change AVCodecContext.error[4] to [8] at next major bump.
Add AV_NUM_DATA_POINTERS to simplify the bump transition.
+2011-11-24 - lavu 51.19.0
+ bd97b2e - add planar RGB pixel formats
+ 6b0768e - add PIX_FMT_PLANAR and PIX_FMT_RGB pixel descriptions
+
2011-11-23 - bbb46f3 - lavu 51.18.0
Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and
av_samples_alloc(), to samplefmt.h.