ffmpeg的版本升级日志，可以查询各个版本的API变更情况，可以比对avcodec_version()返回结果确定版本等。该日志在ffmpeg源码的doc目录下。有的小伙伴可能没有源码，故在此发一份。

Never assume the API of libav* to be stable unless at least 1 month has passed
since the last major version increase or the API was added.The last version increases were:
libavcodec:    2017-10-21
libavdevice:   2017-10-21
libavfilter:   2017-10-21
libavformat:   2017-10-21
libavresample: 2017-10-21
libpostproc:   2017-10-21
libswresample: 2017-10-21
libswscale:    2017-10-21
libavutil:     2017-10-21API changes, most recent first:-------- 8< --------- FFmpeg 4.2 was cut here -------- 8< ---------2019-06-21 - a30e44098a - lavu 56.30.100 - frame.hAdd FF_DECODE_ERROR_DECODE_SLICES2019-06-14 - edfced8c04 - lavu 56.29.100 - frame.hAdd FF_DECODE_ERROR_CONCEALMENT_ACTIVE2019-05-15 - b79b29ddb1 - lavu 56.28.100 - tx.hAdd av_tx_init(), av_tx_uninit() and related definitions.2019-04-20 - 3153a6502a - lavc 58.52.100 - avcodec.hAdd AV_CODEC_FLAG_DROPCHANGED to allow avcodec_receive_frame to dropframes whose parameters differ from first decoded frame in stream.2019-04-12 - abfeba9724 - lavf 58.27.102Rename hls,applehttp demuxer to hls2019-01-27 - 5bcefceec8 - lavc 58.46.100 - avcodec.hAdd discard_damaged_percentage2019-01-08 - 1ef4828276 - lavu 56.26.100 - frame.hAdd AV_FRAME_DATA_REGIONS_OF_INTEREST2018-12-21 - 2744d6b364 - lavu 56.25.100 - hdr_dynamic_metadata.hAdd AV_FRAME_DATA_DYNAMIC_HDR_PLUS enum value, av_dynamic_hdr_plus_alloc(),av_dynamic_hdr_plus_create_side_data() functions, and related structs.-------- 8< --------- FFmpeg 4.1 was cut here -------- 8< ---------2018-10-27 - 718044dc19 - lavu 56.21.100 - pixdesc.hAdd av_read_image_line2(), av_write_image_line2()2018-10-24 - f9d4126f28 - lavu 56.20.100 - frame.hAdd AV_FRAME_DATA_S12M_TIMECODE2018-10-11 - f6d48b618a - lavc 58.33.100 - mediacodec.hAdd av_mediacodec_render_buffer_at_time().2018-09-09 - 35498c124a - lavc 58.29.100 - avcodec.hAdd AV_PKT_DATA_AFD2018-08-16 - b33f5299a5 - lavc 58.23.100 - avcodec.hAdd av_bsf_flush().2018-05-18 - 2b2f2f65f3 - lavf 58.15.100 - avformat.hAdd pmt_version field to AVProgram2018-05-17 - 5dfeb7f081 - lavf 58.14.100 - avformat.hAdd AV_DISPOSITION_STILL_IMAGE2018-05-10 - c855683427 - lavu 56.18.101 - hwcontext_cuda.hAdd AVCUDADeviceContext.stream.2018-04-30 - 56b081da57 - lavu 56.18.100 - pixdesc.hAdd AV_PIX_FMT_FLAG_ALPHA to AV_PIX_FMT_PAL8.2018-04-26 - 5be0410cb3 - lavu 56.17.100 - opt.hAdd AV_OPT_FLAG_DEPRECATED.2018-04-26 - 71fa82bed6 - lavu 56.16.100 - threadmessage.hAdd av_thread_message_queue_nb_elems().-------- 8< --------- FFmpeg 4.0 was cut here -------- 8< ---------2018-04-03 - d6fc031caf - lavu 56.13.100 - pixdesc.hDeprecate AV_PIX_FMT_FLAG_PSEUDOPAL and make allocating a pseudo paletteoptional for API users (see AV_PIX_FMT_FLAG_PSEUDOPAL doxygen for details).2018-04-01 - 860086ee16 - lavc 58.17.100 - avcodec.hAdd av_packet_make_refcounted().2018-04-01 - f1805d160d - lavfi 7.14.100 - avfilter.hDeprecate use of avfilter_register(), avfilter_register_all(),avfilter_next(). Add av_filter_iterate().2018-03-25 - b7d0d912ef - lavc 58.16.100 - avcodec.hAdd FF_SUB_CHARENC_MODE_IGNORE.2018-03-23 - db2a7c947e - lavu 56.12.100 - encryption_info.hAdd AVEncryptionInitInfo and AVEncryptionInfo structures to hold new side-datafor encryption info.2018-03-21 - f14ca60001 - lavc 58.15.100 - avcodec.hAdd av_packet_make_writable().2018-03-18 - 4b86ac27a0 - lavu 56.11.100 - frame.hAdd AV_FRAME_DATA_QP_TABLE_PROPERTIES and AV_FRAME_DATA_QP_TABLE_DATA.2018-03-15 - e0e72539cf - lavu 56.10.100 - opt.hAdd AV_OPT_FLAG_BSF_PARAM2018-03-07 - 950170bd3b - lavu 56.9.100 - crc.hAdd AV_CRC_8_EBU crc variant.2018-03-07 - 2a0eb86857 - lavc 58.14.100 - mediacodec.hChange the default behavior of avcodec_flush() on mediacodecvideo decoders. To restore the previous behavior, use the newdelay_flush=1 option.2018-03-01 - 6731f60598 - lavu 56.8.100 - frame.hAdd av_frame_new_side_data_from_buf().2018-02-15 - 8a8d0b319aChange av_ripemd_update(), av_murmur3_update() and av_hash_update() lengthparameter type to size_t at next major bump.2018-02-12 - bcab11a1a2 - lavfi 7.12.100 - avfilter.hAdd AVFilterContext.extra_hw_frames.2018-02-12 - d23fff0d8a - lavc 58.11.100 - avcodec.hAdd AVCodecContext.extra_hw_frames.2018-02-06 - 0694d87024 - lavf 58.9.100 - avformat.hDeprecate use of av_register_input_format(), av_register_output_format(),av_register_all(), av_iformat_next(), av_oformat_next().Add av_demuxer_iterate(), and av_muxer_iterate().2018-02-06 - 36c85d6e77 - lavc 58.10.100 - avcodec.hDeprecate use of avcodec_register(), avcodec_register_all(),av_codec_next(), av_register_codec_parser(), and av_parser_next().Add av_codec_iterate() and av_parser_iterate().2018-02-04 - ff46124b0d - lavf 58.8.100 - avformat.hDeprecate the current names of the RTSP "timeout", "stimeout", "user-agent"options. Introduce "listen_timeout" as replacement for the current "timeout"option, and "user_agent" as replacement for "user-agent". Once the deprecationis over, the old "timeout" option will be removed, and "stimeout" will berenamed to "stimeout" (the "timeout" option will essentially change semantics).2018-01-28 - ea3672b7d6 - lavf 58.7.100 - avformat.hDeprecate AVFormatContext filename field which had limited length, use thenew dynamically allocated url field instead.2018-01-28 - ea3672b7d6 - lavf 58.7.100 - avformat.hAdd url field to AVFormatContext and add ff_format_set_url helper function.2018-01-27 - 6194d7e564 - lavf 58.6.100 - avformat.hAdd AVFMTCTX_UNSEEKABLE (for HLS demuxer).2018-01-23 - 9f07cf7c00 - lavu 56.9.100 - aes_ctr.hAdd method to set the 16-byte IV.2018-01-16 - 631c56a8e4 - lavf 58.5.100 - avformat.hExplicitly make avformat_network_init() and avformat_network_deinit() optional.If these are not called, network initialization and deinitialization isautomatic, and unlike in older versions, fully supported, unless libavformatis linked to ancient GnuTLS and OpenSSL.2018-01-16 - 6512ff72f9 - lavf 58.4.100 - avformat.hDeprecate AVStream.recommended_encoder_configuration. It was useful only forFFserver, which has been removed.2018-01-05 - 798dcf2432 - lavfi 7.11.101 - avfilter.hDeprecate avfilter_link_get_channels(). Use av_buffersink_get_channels().2017-01-04 - c29038f304 - lavr 4.0.0 - avresample.hDeprecate the entire library. Merged years ago to provide compatibilitywith Libav, it remained unmaintained by the FFmpeg project and duplicatedfunctionality provided by libswresample.In order to improve consistency and reduce attack surface, it has been deprecated.Users of this library are asked to migrate to libswresample, which, as well asproviding more functionality, is faster and has higher accuracy.2017-12-26 - a04c2c707d - lavc 58.9.100 - avcodec.hDeprecate av_lockmgr_register(). You need to build FFmpeg with threadingsupport enabled to get basic thread-safety (which is the default buildconfiguration).2017-12-24 - 8b81eabe57 - lavu 56.7.100 - cpu.hAVX-512 flags added.2017-12-16 - 8bf4e6d3ce - lavc 58.8.100 - avcodec.hThe MediaCodec decoders now support AVCodecContext.hw_device_ctx.2017-12-16 - e4d9f05ca7 - lavu 56.6.100 - hwcontext.h hwcontext_mediacodec.hAdd AV_HWDEVICE_TYPE_MEDIACODEC and a new installed header withMediaCodec-specific hwcontext definitions.2017-12-14 - b945fed629 - lavc 58.7.100 - avcodec.hAdd AV_CODEC_CAP_HARDWARE, AV_CODEC_CAP_HYBRID, and AVCodec.wrapper_name,and mark all AVCodecs accordingly.2017-11-29 - d268094f88 - lavu 56.4.100 / 56.7.0 - stereo3d.hAdd view field to AVStereo3D structure and AVStereo3DView enum.2017-11-26 - 3a71bcc213 - lavc 58.6.100 - avcodec.hAdd const to AVCodecContext.hwaccel.2017-11-26 - 3536a3efb9 - lavc 58.5.100 - avcodec.hDeprecate user visibility of the AVHWAccel structure and the functionsav_register_hwaccel() and av_hwaccel_next().2017-11-26 - 24cc0a53e9 - lavc 58.4.100 - avcodec.hAdd AVCodecHWConfig and avcodec_get_hw_config().2017-11-22 - 3650cb2dfa - lavu 56.3.100 - opencl.hRemove experimental OpenCL API (av_opencl_*).2017-11-22 - b25d8ef0a7 - lavu 56.2.100 - hwcontext.h hwcontext_opencl.hAdd AV_HWDEVICE_TYPE_OPENCL and a new installed header withOpenCL-specific hwcontext definitions.2017-11-22 - a050f56c09 - lavu 56.1.100 - pixfmt.hAdd AV_PIX_FMT_OPENCL.2017-11-11 - 48e4eda11d - lavc 58.3.100 - avcodec.hAdd avcodec_get_hw_frames_parameters().-------- 8< --------- FFmpeg 3.4 was cut here -------- 8< ---------2017-09-28 - b6cf66ae1c - lavc 57.106.104 - avcodec.hAdd AV_PKT_DATA_A53_CC packet side data, to export closed captions2017-09-27 - 7aa6b8a68f - lavu 55.77.101 / lavu 55.31.1 - frame.hAllow passing the value of 0 (meaning "automatic") as the required alignmentto av_frame_get_buffer().2017-09-27 - 522f877086 - lavu 55.77.100 / lavu 55.31.0 - cpu.hAdd av_cpu_max_align() for querying maximum required data alignment.2017-09-26 - b1cf151c4d - lavc 57.106.102 - avcodec.hDeprecate AVCodecContext.refcounted_frames. This was useful for deprecatedAPI only (avcodec_decode_video2/avcodec_decode_audio4). The new decode APIs(avcodec_send_packet/avcodec_receive_frame) always work with referencecounted frames.2017-09-21 - 6f15f1cdc8 - lavu 55.76.100 / 56.6.0 - pixdesc.hAdd av_color_range_from_name(), av_color_primaries_from_name(),av_color_transfer_from_name(), av_color_space_from_name(), andav_chroma_location_from_name().2017-09-13 - 82342cead1 - lavc 57.106.100 - avcodec.hAdd AV_PKT_FLAG_TRUSTED.2017-09-13 - 9cb23cd9fe - lavu 55.75.100 - hwcontext.h hwcontext_drm.hAdd AV_HWDEVICE_TYPE_DRM and implementation.2017-09-08 - 5ba2aef6ec - lavfi 6.103.100 - buffersrc.hAdd av_buffersrc_close().2017-09-04 - 6cadbb16e9 - lavc 57.105.100 - avcodec.hAdd AV_HWACCEL_CODEC_CAP_EXPERIMENTAL, replacing the deprecatedHWACCEL_CODEC_CAP_EXPERIMENTAL flag.2017-09-01 - 5d76674756 - lavf 57.81.100 - avio.hAdd avio_read_partial().2017-09-01 - xxxxxxx - lavf 57.80.100 / 57.11.0 - avio.hAdd avio_context_free(). From now on it must be used for freeing AVIOContext.2017-08-08 - 1460408703 - lavu 55.74.100 - pixdesc.hAdd AV_PIX_FMT_FLAG_FLOAT pixel format flag.2017-08-08 - 463b81de2b - lavu 55.72.100 - imgutils.hAdd av_image_fill_black().2017-08-08 - caa12027ba - lavu 55.71.100 - frame.hAdd av_frame_apply_cropping().2017-07-25 - 24de4fddca - lavu 55.69.100 - frame.hAdd AV_FRAME_DATA_ICC_PROFILE side data type.2017-06-27 - 70143a3954 - lavc 57.100.100 - avcodec.hDXVA2 and D3D11 hardware accelerated decoding now supports the new hwaccel API,which can create the decoder context and allocate hardware frame automatically.See AVCodecContext.hw_device_ctx and AVCodecContext.hw_frames_ctx. For D3D11,the new AV_PIX_FMT_D3D11 pixfmt must be used with the new API.2017-06-27 - 3303511f33 - lavu 56.67.100 - hwcontext.hAdd AV_HWDEVICE_TYPE_D3D11VA and AV_PIX_FMT_D3D11.2017-06-24 - 09891c5391 - lavf 57.75.100 - avio.hAdd AVIO_DATA_MARKER_FLUSH_POINT to signal preferred flush points to aviobuf.2017-06-14 - d59c6a3aeb - lavu 55.66.100 - hwcontext.hav_hwframe_ctx_create_derived() now takes some AV_HWFRAME_MAP_* combinationas its flags argument (which was previously unused).2017-06-14 - 49ae8a5e87 - lavc 57.99.100 - avcodec.hAdd AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH.2017-06-14 - 0b1794a43e - lavu 55.65.100 - hwcontext.hAdd AV_HWDEVICE_TYPE_NONE, av_hwdevice_find_type_by_name(),av_hwdevice_get_type_name() and av_hwdevice_iterate_types().2017-06-14 - b22172f6f3 - lavu 55.64.100 - hwcontext.hAdd av_hwdevice_ctx_create_derived().2017-05-15 - 532b23f079 - lavc 57.96.100 - avcodec.hVideoToolbox hardware-accelerated decoding now supports the new hwaccel API,which can create the decoder context and allocate hardware frames automatically.See AVCodecContext.hw_device_ctx and AVCodecContext.hw_frames_ctx.2017-05-15 - 532b23f079 - lavu 57.63.100 - hwcontext.hAdd AV_HWDEVICE_TYPE_VIDEOTOOLBOX and implementation.2017-05-08 - f089e02fa2 - lavc 57.95.100 / 57.31.0 - avcodec.hAdd AVCodecContext.apply_cropping to control whether croppingis handled by libavcodec or the caller.2017-05-08 - a47bd5d77e - lavu 55.62.100 / 55.30.0 - frame.hAdd AVFrame.crop_left/right/top/bottom fields for attaching croppinginformation to video frames.2017-xx-xx - xxxxxxxxxxChange av_sha_update(), av_sha512_update() and av_md5_sum()/av_md5_update() lengthparameter type to size_t at next major bump.2017-05-05 - c0f17a905f - lavc 57.94.100 - avcodec.hThe cuvid decoders now support AVCodecContext.hw_device_ctx, which removesthe requirement to set an incomplete AVCodecContext.hw_frames_ctx only toset the Cuda device handle.2017-04-11 - 8378466507 - lavu 55.61.100 - avstring.hAdd av_strireplace().2016-04-06 - 157e57a181 - lavc 57.92.100 - avcodec.hAdd AV_PKT_DATA_CONTENT_LIGHT_LEVEL packet side data.2016-04-06 - b378f5bd64 - lavu 55.60.100 - mastering_display_metadata.hAdd AV_FRAME_DATA_CONTENT_LIGHT_LEVEL value, av_content_light_metadata_alloc()and av_content_light_metadata_create_side_data() API, and AVContentLightMetadatatype to export content light level video properties.2017-03-31 - 9033e8723c - lavu 55.57.100 - spherical.hAdd av_spherical_projection_name().Add av_spherical_from_name().2017-03-30 - 4cda23f1f1 - lavu 55.53.100 / 55.27.0 - hwcontext.hAdd av_hwframe_map() and associated AV_HWFRAME_MAP_* flags.Add av_hwframe_ctx_create_derived().2017-03-29 - bfdcdd6d82 - lavu 55.52.100 - avutil.hadd av_fourcc_make_string() function and av_fourcc2str() macro to replaceav_get_codec_tag_string() from lavc.2017-03-27 - ddef3d902f - lavf 57.68.100 - avformat.hDeprecate that demuxers export the stream rotation angle in AVStream.metadata(via an entry named "rotate"). Use av_stream_get_side_data() withAV_PKT_DATA_DISPLAYMATRIX instead, and read the rotation angle withav_display_rotation_get(). The same is done for muxing. Instead of adding a"rotate" entry to AVStream.metadata, AV_PKT_DATA_DISPLAYMATRIX side data hasto be added to the AVStream.2017-03-23 - 7e4ba776a2 - lavc 57.85.101 - avcodec.hvdpau hardware accelerated decoding now supports the new hwaccel API, whichcan create the decoder context and allocate hardware frame automatically.See AVCodecContext.hw_device_ctx and AVCodecContext.hw_frames_ctx.2017-03-23 - 156bd8278f - lavc 57.85.100 - avcodec.hAdd AVCodecContext.hwaccel_flags field. This will control some hwaccels ata later point.2017-03-21 - fc9f14c7de - lavf 57.67.100 / 57.08.0 - avio.hAdd AVIO_SEEKABLE_TIME flag.2017-03-21 - d682ae70b4 - lavf 57.66.105, lavc 57.83.101 - avformat.h, avcodec.hDeprecate AVFMT_FLAG_KEEP_SIDE_DATA. It will be ignored after the next majorbump, and libavformat will behave as if it were always set.Deprecate av_packet_merge_side_data() and av_packet_split_side_data().2016-03-20 - 8200b16a9c - lavu 55.50.100 / 55.21.0 - imgutils.hAdd av_image_copy_uc_from(), a version of av_image_copy() for copyingfrom GPU mapped memory.2017-03-20 - 9c2436e - lavu 55.49.100 - pixdesc.hAdd AV_PIX_FMT_FLAG_BAYER pixel format flag.2017-03-18 - 3796fb2692 - lavfi 6.77.100 - avfilter.hDeprecate AVFilterGraph.resample_lavr_optsIt's never been used by avfilter nor passed to anything.2017-02-10 - 1b7ffddb3a - lavu 55.48.100 / 55.33.0 - spherical.hAdd AV_SPHERICAL_EQUIRECTANGULAR_TILE, av_spherical_tile_bounds(),and projection-specific properties (bound_left, bound_top, bound_right,bound_bottom, padding) to AVSphericalMapping.2017-03-02 - ade7c1a232 - lavc 57.81.104 - videotoolbox.hAVVideotoolboxContext.cv_pix_fmt_type can now be set to 0 to output thenative decoder format. (The default value is not changed.)2017-03-02 - 554bc4eea8 - lavu 55.47.101, lavc 57.81.102, lavf 57.66.103Remove requirement to use AVOption or accessors to access certain fieldsin AVFrame, AVCodecContext, and AVFormatContext that were previouslydocumented as "no direct access" allowed.2017-02-13 - c1a5fca06f - lavc 57.80.100 - avcodec.hAdd AVCodecContext.hw_device_ctx.2017-02-11 - e3af49b14b - lavu 55.47.100 - frame.hAdd AVFrame.opaque_ref.2017-01-31 - 2eab48177d - lavu 55.46.100 / 55.20.0 - cpu.hAdd AV_CPU_FLAG_SSSE3SLOW.2017-01-24 - c4618f842a - lavu 55.45.100 - channel_layout.hAdd av_get_extended_channel_layout()2017-01-22 - 76c5a69e26 - lavu 55.44.100 - lfg.hAdd av_lfg_init_from_data().2017-01-17 - 2a4a8653b6 - lavc 57.74.100 - vaapi.hDeprecate struct vaapi_context and the vaapi.h installed header.Callers should set AVCodecContext.hw_frames_ctx instead.2017-01-12 - dbe9dbed31 - lavfi 6.69.100 - buffersink.hAdd av_buffersink_get_*() functions.2017-01-06 - 9488032e10 - lavf 57.62.100 - avio.hAdd avio_get_dyn_buf()2016-12-10 - f542b152aa - lavu 55.43.100 - imgutils.hAdd av_image_check_size2()2016-12-07 - e7a6f8c972 - lavc 57.67.100 / 57.29.0 - avcodec.hAdd AV_PKT_DATA_SPHERICAL packet side data to export AVSphericalMappinginformation from containers.2016-12-07 - 8f58ecc344 - lavu 55.42.100 / 55.30.0 - spherical.hAdd AV_FRAME_DATA_SPHERICAL value, av_spherical_alloc() API andAVSphericalMapping type to export and describe spherical video properties.2016-11-18 - 2ab50647ff - lavf 57.58.100 - avformat.hAdd av_stream_add_side_data().2016-11-13 - 775a8477b7 - lavu 55.39.100 - hwcontext_vaapi.hAdd AV_VAAPI_DRIVER_QUIRK_ATTRIB_MEMTYPE.2016-11-13 - a8d51bb424 - lavu 55.38.100 - hwcontext_vaapi.hAdd driver quirks field to VAAPI-specific hwdevice and enum withmembers AV_VAAPI_DRIVER_QUIRK_* to represent its values.2016-11-10 - 638b216d4f - lavu 55.36.100 - pixfmt.hAdd AV_PIX_FMT_GRAY12(LE/BE).-------- 8< --------- FFmpeg 3.2 was cut here -------- 8< ---------2016-10-24 - 73ead47 - lavf 57.55.100 - avformat.hAdd AV_DISPOSITION_TIMED_THUMBNAILS2016-10-24 - a246fef - lavf 57.54.100 - avformat.hAdd avformat_init_output() and AVSTREAM_INIT_IN_ macros2016-10-22 - f5495c9 - lavu 55.33.100 - avassert.hAdd av_assert0_fpu() / av_assert2_fpu()2016-10-07 - 3f9137c / 32c8359 - lavc 57.61.100 / 57.24.0 - avcodec.hDecoders now export the frame timestamp as AVFrame.pts. It waspreviously exported as AVFrame.pkt_pts, which is now deprecated.Note: When decoding, AVFrame.pts uses the stream/packet timebase,and not the codec timebase.2016-09-28 - eba0414 - lavu 55.32.100 / 55.16.0 - hwcontext.h hwcontext_qsv.hAdd AV_HWDEVICE_TYPE_QSV and a new installed header with QSV-specifichwcontext definitions.2016-09-26 - 32c25f0 - lavc 57.59.100 / 57.23.0 - avcodec.hAVCodecContext.hw_frames_ctx now may be used by decoders.2016-09-27 - f0b6f72 - lavf 57.51.100 - avformat.hAdd av_stream_get_codec_timebase()2016-09-27 - 23c0779 - lswr 2.2.100 - swresample.hAdd swr_build_matrix().2016-09-23 - 30d3e36 - lavc 57.58.100 - avcodec.hAdd AV_CODEC_CAP_AVOID_PROBING codec capability flag.2016-09-14 - ae1dd0c - lavf 57.49.100 - avformat.hAdd avformat_transfer_internal_stream_timing_info helper to help with streamcopy.2016-08-29 - 4493390 - lavfi 6.58.100 - avfilter.hAdd AVFilterContext.nb_threads.2016-08-15 - c3c4c72 - lavc 57.53.100 - avcodec.hAdd trailing_padding to AVCodecContext to match the correspondingfield in AVCodecParameters.2016-08-15 - b746ed7 - lavc 57.52.100 - avcodec.hAdd a new API for chained BSF filters and passthrough (null) BSF --av_bsf_list_alloc(), av_bsf_list_free(), av_bsf_list_append(),av_bsf_list_append2(), av_bsf_list_finalize(), av_bsf_list_parse_str()and av_bsf_get_null_filter().2016-08-04 - 82a33c8 - lavf 57.46.100 - avformat.hAdd av_get_frame_filename2()2016-07-09 - 775389f / 90f469a - lavc 57.50.100 / 57.20.0 - avcodec.hAdd FF_PROFILE_H264_MULTIVIEW_HIGH and FF_PROFILE_H264_STEREO_HIGH.2016-06-30 - c1c7e0ab - lavf 57.41.100 - avformat.hMoved codecpar field from AVStream to the end of the struct, so thatthe following private fields are in the same location as in FFmpeg 3.0 (lavf 57.25.100).2016-06-30 - 042fb69d - lavu 55.28.100 - frame.hMoved hw_frames_ctx field from AVFrame to the end of the struct, so thatthe following private fields are in the same location as in FFmpeg 3.0 (lavu 55.17.103).2016-06-29 - 1a751455 - lavfi 6.47.100 - avfilter.hFix accidental ABI breakage in AVFilterContext.ABI was broken in 8688d3a, lavfi 6.42.100 and released as ffmpeg 3.1.Because of this, ffmpeg and ffplay built against lavfi>=6.42.100 will not becompatible with lavfi>=6.47.100. Potentially also affects other users oflibavfilter if they are using one of the affected fields.-------- 8< --------- FFmpeg 3.1 was cut here -------- 8< ---------2016-06-26 - 481f320 / 1c9e861 - lavu 55.27.100 / 55.13.0 - hwcontext.hAdd av_hwdevice_ctx_create().2016-06-26 - b95534b / e47b8bb - lavc 57.48.101 / 57.19.1 - avcodec.hAdjust values for JPEG 2000 profiles.2016-06-23 - 5d75e46 / db7968b - lavf 57.40.100 / 57.7.0 - avio.hAdd AVIODataMarkerType, write_data_type, ignore_boundary_point andavio_write_marker.2016-06-23 - abb3cc4 / 0c4468d - lavu 55.26.100 / 55.12.0 - opt.hAdd av_stereo3d_type_name() and av_stereo3d_from_name().2016-06-22 - 3689efe / c46db38 - lavu 55.25.100 / 55.11.0 - hwcontext_dxva2.hAdd new installed header with DXVA2-specific hwcontext definitions.2016-04-27 - fb91871 - lavu 55.23.100 - log.hAdd a new function av_log_format_line2() which returns number of byteswritten to the target buffer.2016-04-21 - 7fc329e - lavc 57.37.100 - avcodec.hAdd a new audio/video encoding and decoding API with decoupled inputand output -- avcodec_send_packet(), avcodec_receive_frame(),avcodec_send_frame() and avcodec_receive_packet().2016-04-17 - af9cac1 / 33d1898 - lavc 57.35.100 / 57.15.0 - avcodec.hAdd a new bitstream filtering API working with AVPackets.Deprecate the old bitstream filtering API.2016-04-14 - 8688d3a / 07a844f - lavfi 6.42.100 / 6.3.0 - avfilter.hAdd AVFilterContext.hw_device_ctx.2016-04-14 - 28abb21 / 551c677 - lavu 55.22.100 / 55.9.0 - hwcontext_vaapi.hAdd new installed header with VAAPI-specific hwcontext definitions.2016-04-14 - afccfaf / b1f01e8 - lavu 55.21.100 / 55.7.0 - hwcontext.hAdd AVHWFramesConstraints and associated API.2016-04-11 - 6f69f7a / 9200514 - lavf 57.33.100 / 57.5.0 - avformat.hAdd AVStream.codecpar, deprecate AVStream.codec.2016-04-02 - e8a9b64 - lavu 55.20.100 - base64.hAdd AV_BASE64_DECODE_SIZE(x) macro.2016-xx-xx - lavc 57.33.100 / 57.14.0 - avcodec.hf9b1cf1 / 998e1b8 - Add AVCodecParameters and its related API.e6053b3 / a806834 - Add av_get_audio_frame_duration2().2016-03-11 - 6d8ab35 - lavf/lavc 57.28.101Add requirement to bitstream filtering API that returned packets withsize == 0 and side_data_elems == 0 are to be skipped by the caller.2016-03-04 - 9362973 - lavf 57.28.100Add protocol blacklisting API2016-02-28 - 4dd4d53 - lavc 57.27.101Validate AVFrame returned by get_buffer2 to have requiredplanes not NULL and unused planes set to NULL as crashesand buffer overflow are possible with certain streams ifthat is not the case.2016-02-26 - 30e7685 - lavc 57.27.100 - avcodec.h"flags2" decoding option now allows the flag "ass_ro_flush_noop" preventingthe reset of the ASS ReadOrder field on flush. This affects the content ofAVSubtitles.rects[N]->ass when "sub_text_format" is set to "ass" (seeprevious entry).2016-02-26 - 2941282 - lavc 57.26.100 - avcodec.hAdd a "sub_text_format" subtitles decoding option allowing the values "ass"(recommended) and "ass_with_timings" (not recommended, deprecated, default).The default value for this option will change to "ass" at the next majorlibavcodec version bump.The current default is "ass_with_timings" for compatibility. This means thatall subtitles text decoders currently still output ASS with timings printedas strings in the AVSubtitles.rects[N]->ass fields.Setting "sub_text_format" to "ass" allows a better timing accuracy (ASStiming is limited to a 1/100 time base, so this is relevant for any subtitlesformat needing a bigger one), ease timing adjustments, and prevents the needof removing the timing from the decoded string yourself. This form is alsoknown as "the Matroska form". The timing information (start time, duration)can be found in the AVSubtitles fields.2016-02-24 - 7e49cdd / 7b3214d0 - lavc 57.25.100 / 57.13.0 - avcodec.hAdd AVCodecContext.hw_frames_ctx.2016-02-24 - 1042402 / b3dd30d - lavfi 6.36.100 / 6.2.0 - avfilter.havfilter.h - Add AVFilterLink.hw_frames_ctx.buffersrc.h - Add AVBufferSrcParameters and functions for handling it.2016-02-23 - 14f7a3d - lavc 57.25.100Add AV_PKT_DATA_MPEGTS_STREAM_ID for exporting the MPEGTS stream ID.2016-02-18 - 08acab8 - lavu 55.18.100 - audio_fifo.hAdd av_audio_fifo_peek_at().2016-xx-xx - lavu 55.18.100 / 55.6.026abd51 / 721a4ef buffer.h - Add av_buffer_pool_init2().1a70878 / 89923e4 hwcontext.h - Add a new installed header hwcontext.h with a new APIfor handling hwaccel frames.6992276 / ad884d1 hwcontext_cuda.h - Add a new installed header hwcontext_cuda.h withCUDA-specific hwcontext definitions.d779d8d / a001ce3 hwcontext_vdpau.h - Add a new installed header hwcontext_vdpau.h withVDPAU-specific hwcontext definitions.63c3e35 / 7bc780c pixfmt.h - Add AV_PIX_FMT_CUDA.-------- 8< --------- FFmpeg 3.0 was cut here -------- 8< ---------2016-02-10 - bc9a596 / 9f61abc - lavf 57.25.100 / 57.3.0 - avformat.hAdd AVFormatContext.opaque, io_open and io_close, allowing custom IO2016-02-01 - 1dba837 - lavf 57.24.100 - avformat.h, avio.hAdd protocol_whitelist to AVFormatContext, AVIOContext2016-01-31 - 66e9d2f - lavu 55.17.100 - frame.hAdd AV_FRAME_DATA_GOP_TIMECODE for exporting MPEG1/2 GOP timecodes.2016-01-01 - 5e8b053 / 2c68113 - lavc 57.21.100 / 57.12.0 - avcodec.hAdd AVCodecDescriptor.profiles and avcodec_profile_name().2015-12-28 - 1f9139b - lavf 57.21.100 - avformat.hAdd automatic bitstream filtering; add av_apply_bitstream_filters()2015-12-22 - 39a09e9 - lavfi 6.21.101 - avfilter.hDeprecate avfilter_link_set_closed().Applications are not supposed to mess with links,they should close the sinks.2015-12-17 - lavc 57.18.100 / 57.11.0 - avcodec.h dirac.hxxxxxxx - Add av_packet_add_side_data().xxxxxxx - Add AVCodecContext.coded_side_data.xxxxxxx - Add AVCPBProperties API.xxxxxxx - Add a new public header dirac.h containingav_dirac_parse_sequence_header()2015-12-11 - 676a93f - lavf 57.20.100 - avformat.hAdd av_program_add_stream_index()2015-11-29 - 93fb4a4 - lavc 57.16.101 - avcodec.hDeprecate rtp_callback without replacement, i.e. it won't be possible toget image slices before the full frame is encoded any more. The libavformatrtpenc muxer can still be used for RFC-2190 packetization.2015-11-22 - fe20e34 - lavc 57.16.100 - avcodec.hAdd AV_PKT_DATA_FALLBACK_TRACK for making fallback associations betweenstreams.2015-11-22 - ad317c9 - lavf 57.19.100 - avformat.hAdd av_stream_new_side_data().2015-11-22 - e12f403 - lavu 55.8.100 - xtea.hAdd av_xtea_le_init and av_xtea_le_crypt2015-11-18 - lavu 55.7.100 - mem.hAdd av_fast_mallocz()2015-10-29 - lavc 57.12.100 / 57.8.0 - avcodec.hxxxxxx - Deprecate av_free_packet(). Use av_packet_unref() as replacement,it resets the packet in a more consistent way.xxxxxx - Deprecate av_dup_packet(), it is a no-op for most cases.Use av_packet_ref() to make a non-refcounted AVPacket refcounted.xxxxxx - Add av_packet_alloc(), av_packet_clone(), av_packet_free().They match the AVFrame functions with the same name.2015-10-27 - 1e477a9 - lavu 55.5.100 - cpu.hAdd AV_CPU_FLAG_AESNI.2015-10-22 - ee573b4 / a17a766 - lavc 57.9.100 / 57.5.0 - avcodec.hAdd data and linesize array to AVSubtitleRect, to be used instead ofthe ones from the embedded AVPicture.2015-10-22 - 866a417 / dc923bc - lavc 57.8.100 / 57.0.0 - qsv.hAdd an API for allocating opaque surfaces.2015-10-15 - 2c2d162 - lavf 57.4.100Remove the latm demuxer that was a duplicate of the loas demuxer.2015-10-14 - b994788 / 11c5f43 - lavu 55.4.100 / 55.2.0 - dict.hChange return type of av_dict_copy() from void to int, so that a propererror code can be reported.2015-09-29 - b01891a / 948f3c1 - lavc 57.3.100 / 57.2.0 - avcodec.hChange type of AVPacket.duration from int to int64_t.2015-09-17 - 7c46f24 / e3d4784 - lavc 57.3.100 / 57.2.0 - d3d11va.hAdd av_d3d11va_alloc_context(). This function must from now on be used forallocating AVD3D11VAContext.2015-09-15 - lavf 57.2.100 - avformat.hprobesize and max_analyze_duration switched to 64bit, bothare only accessible through AVOptions2015-09-15 - lavf 57.1.100 - avformat.hbit_rate was changed to 64bit, make sure you update anyprintf() or other type sensitive code2015-09-15 - lavc 57.2.100 - avcodec.hbit_rate/rc_max_rate/rc_min_rate were changed to 64bit, make sure you updateany printf() or other type sensitive code2015-09-07 - lavu 55.0.100 / 55.0.0c734b34 / b8b5d82 - Change type of AVPixFmtDescriptor.flags from uint8_t to uint64_t.f53569a / 6b3ef7f - Change type of AVComponentDescriptor fields from uint16_t to intand drop bit packing.151aa2e / 2268db2 - Add step, offset, and depth to AVComponentDescriptor to replacethe deprecated step_minus1, offset_plus1, and depth_minus1.-------- 8< --------- FFmpeg 2.8 was cut here -------- 8< ---------2015-08-27 - 1dd854e1 - lavc 56.58.100 - vaapi.hDeprecate old VA-API context (vaapi_context) fields that were onlyset and used by libavcodec. They are all managed internally now.2015-08-19 - 9f8e57ef - lavu 54.31.100 - pixfmt.hAdd a unique pixel format for VA-API (AV_PIX_FMT_VAAPI) thatindicates the nature of the underlying storage: a VA surface. Thisyields the same value as AV_PIX_FMT_VAAPI_VLD.Deprecate old VA-API related pixel formats: AV_PIX_FMT_VAAPI_MOCO,AV_PIX_FMT_VAAPI_IDCT, AV_PIX_FMT_VAAPI_VLD.2015-08-02 - lavu 54.30.100 / 54.17.09ed59f1 / 7a7df34c -  Add av_blowfish_alloc().a130ec9 / ae365453 -  Add av_rc4_alloc().9ca1997 / 5d8bea3b -  Add av_xtea_alloc().3cf08e9 / d9e8b47e -  Add av_des_alloc().2015-07-27 - lavc 56.56.100 / 56.35.0 - avcodec.h94d68a4 / 7c6eb0a1 - Rename CODEC_FLAG* defines to AV_CODEC_FLAG*.444e987 / def97856 - Rename CODEC_CAP_* defines to AV_CODEC_CAP_*.29d147c / 059a9348 - Rename FF_INPUT_BUFFER_PADDING_SIZE and FF_MIN_BUFFER_SIZEto AV_INPUT_BUFFER_PADDING_SIZE and AV_INPUT_BUFFER_MIN_SIZE.2015-07-22 - c40ecff - lavc 56.51.100 - avcodec.hAdd AV_PKT_DATA_QUALITY_STATS to export the quality value, PSNR, and pict_typeof an AVPacket.2015-07-16 - 8dad213 - lavc 56.49.100Add av_codec_get_codec_properties(), FF_CODEC_PROPERTY_LOSSLESSand FF_CODEC_PROPERTY_CLOSED_CAPTIONS2015-07-03 - d563e13 / 83212943 - lavu 54.28.100 / 56.15.0Add av_version_info().-------- 8< --------- FFmpeg 2.7 was cut here -------- 8< ---------2015-06-04 - cc17b43 - lswr  1.2.100Add swr_get_out_samples()2015-05-27 - c312bfa - lavu 54.26.100 - cpu.hAdd AV_CPU_FLAG_AVXSLOW.2015-05-26 - 1fb9b2a - lavu 54.25.100 - rational.hAdd av_q2intfloat().2015-05-13 - cc48409 / e7c5e17 - lavc 56.39.100 / 56.23.0Add av_vda_default_init2.2015-05-11 - 541d75f - lavf 56.33.100 - avformat.hAdd AVOpenCallback AVFormatContext.open_cb2015-05-07 - a7dd933 - 56.38.100 - avcodec.hAdd av_packet_side_data_name().2015-05-07 - 01e59d4 - 56.37.102 - avcodec.hAdd FF_PROFILE_VP9_2 and FF_PROFILE_VP9_3.2015-05-04 - 079b7f6 - 56.37.100 - avcodec.hAdd FF_PROFILE_VP9_0 and FF_PROFILE_VP9_1.2015-04-22 - 748d481 - lavf 56.31.100 - avformat.hAdd AVFMT_FLAG_FAST_SEEK flag. Some formats (initially mp3) use it to enablefast, but inaccurate seeking.2015-04-20 - 8e8219e / c253340 - lavu 54.23.100 / 54.12.0 - log.hAdd AV_LOG_TRACE for extremely verbose debugging.2015-04-02 - 26e0e393 - lavf 56.29.100 - avio.hAdd AVIODirEntryType.AVIO_ENTRY_SERVER.Add AVIODirEntryType.AVIO_ENTRY_SHARE.Add AVIODirEntryType.AVIO_ENTRY_WORKGROUP.2015-03-31 - 3188696 - lavu 54.22.100 - avstring.hAdd av_append_path_component()2015-03-27 - 184084c - lavf 56.27.100 - avio.h url.hNew directory listing API.Add AVIODirEntryType enum.Add AVIODirEntry, AVIODirContext structures.Add avio_open_dir(), avio_read_dir(), avio_close_dir(), avio_free_directory_entry().Add ff_alloc_dir_entry().Extend URLProtocol with url_open_dir(), url_read_dir(), url_close_dir().2015-03-29 - 268ff17 / c484561 - lavu 54.21.100 / 54.10.0 - pixfmt.hAdd AV_PIX_FMT_MMAL for MMAL hardware acceleration.2015-03-19 - 11fe56c - 56.29.100 / lavc 56.22.0Add FF_PROFILE_DTS_EXPRESS.-------- 8< --------- FFmpeg 2.6 was cut here -------- 8< ---------2015-03-04 - cca4476 - lavf 56.25.100Add avformat_flush()2015-03-03 - 81a9126 - lavf 56.24.100Add avio_put_str16be()2015-02-19 - 560eb71 / 31d2039 - lavc 56.23.100 / 56.13.0Add width, height, coded_width, coded_height and format toAVCodecParserContext.2015-02-19 - e375511 / 5b1d9ce - lavu 54.19.100 / 54.9.0Add AV_PIX_FMT_QSV for QSV hardware acceleration.2015-02-14 - ba22295 - lavc 56.21.102Deprecate VIMA decoder.2015-01-27 - 62a82c6 / 728685f - lavc 56.21.100 / 56.12.0, lavu 54.18.100 / 54.8.0 - avcodec.h, frame.hAdd AV_PKT_DATA_AUDIO_SERVICE_TYPE and AV_FRAME_DATA_AUDIO_SERVICE_TYPE forstoring the audio service type as side data.2015-01-16 - a47c933 - lavf 56.19.100 - avformat.hAdd data_codec and data_codec_id for storing codec of data stream2015-01-11 - 007c33d - lavd 56.4.100 - avdevice.hAdd avdevice_list_input_sources().Add avdevice_list_output_sinks().2014-12-25 - d7aaeea / c220a60 - lavc 56.19.100 / 56.10.0 - vdpau.hAdd av_vdpau_get_surface_parameters().2014-12-25 - ddb9a24 / 6c99c92 - lavc 56.18.100 / 56.9.0 - avcodec.hAdd AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH flag to av_vdpau_bind_context().2014-12-25 - d16079a / 57b6704 - lavc 56.17.100 / 56.8.0 - avcodec.hAdd AVCodecContext.sw_pix_fmt.2014-12-04 - 6e9ac02 - lavc 56.14.100 - dv_profile.hAdd av_dv_codec_profile2().-------- 8< --------- FFmpeg 2.5 was cut here -------- 8< ---------2014-11-21 - ab922f9 - lavu 54.15.100 - dict.hAdd av_dict_get_string().2014-11-18 - a54a51c - lavu 54.14.100 - float_dsp.hAdd avpriv_float_dsp_alloc().2014-11-16 - 6690d4c3 - lavf 56.13.100 - avformat.hAdd AVStream.recommended_encoder_configuration with accessors.2014-11-16 - bee5844d - lavu 54.13.100 - opt.hAdd av_opt_serialize().2014-11-16 - eec69332 - lavu 54.12.100 - opt.hAdd av_opt_is_set_to_default().2014-11-06 - 44fa267 / 5e80fb7 - lavc 56.11.100 / 56.6.0 - vorbis_parser.hAdd a public API for parsing vorbis packets.2014-10-15 - 17085a0 / 7ea1b34 - lavc 56.7.100 / 56.5.0 - avcodec.hReplace AVCodecContext.time_base used for decodingwith AVCodecContext.framerate.2014-10-15 - 51c810e / d565fef1 - lavc 56.6.100 / 56.4.0 - avcodec.hAdd AV_HWACCEL_FLAG_IGNORE_LEVEL flag to av_vdpau_bind_context().2014-10-13 - da21895 / 2df0c32e - lavc 56.5.100 / 56.3.0 - avcodec.hAdd AVCodecContext.initial_padding. Deprecate the use of AVCodecContext.delayfor audio encoding.2014-10-08 - bb44f7d / 5a419b2 - lavu 54.10.100 / 54.4.0 - pixdesc.hAdd API to return the name of frame and context color properties.2014-10-06 - a61899a / e3e158e - lavc 56.3.100 / 56.2.0 - vdpau.hAdd av_vdpau_bind_context(). This function should now be used for creating(or resetting) a AVVDPAUContext instead of av_vdpau_alloc_context().2014-10-02 - cdd6f05 - lavc 56.2.100 - avcodec.h
2014-10-02 - cdd6f05 - lavu 54.9.100 - frame.hAdd AV_FRAME_DATA_SKIP_SAMPLES. Add lavc CODEC_FLAG2_SKIP_MANUAL andAVOption "skip_manual", which makes lavc export skip information viaAV_FRAME_DATA_SKIP_SAMPLES AVFrame side data, instead of skipping anddiscarding samples automatically.2014-10-02 - 0d92b0d - lavu 54.8.100 - avstring.hAdd av_match_list()2014-09-24 - ac68295 - libpostproc 53.1.100Add visualization support2014-09-19 - 6edd6a4 - lavc 56.1.101 - dv_profile.hdeprecate avpriv_dv_frame_profile2(), which was made public by accident.-------- 8< --------- FFmpeg 2.4 was cut here -------- 8< ---------2014-08-25 - 215db29 / b263f8f - lavf 56.3.100 / 56.3.0 - avformat.hAdd AVFormatContext.max_ts_probe.2014-08-28 - f30a815 / 9301486 - lavc 56.1.100 / 56.1.0 - avcodec.hAdd AV_PKT_DATA_STEREO3D to export container-level stereo3d information.2014-08-23 - 8fc9bd0 - lavu 54.7.100 - dict.hAV_DICT_DONT_STRDUP_KEY and AV_DICT_DONT_STRDUP_VAL arguments are nowfreed even on error. This is consistent with the behaviour all usersof it we could find expect.2014-08-21 - 980a5b0 - lavu 54.6.100 - frame.h motion_vector.hAdd AV_FRAME_DATA_MOTION_VECTORS side data and AVMotionVector structure2014-08-16 - b7d5e01 - lswr 1.1.100 - swresample.hAdd AVFrame based API2014-08-16 - c2829dc - lavu 54.4.100 - dict.hAdd av_dict_set_int helper function.2014-08-13 - c8571c6 / 8ddc326 - lavu 54.3.100 / 54.3.0 - mem.hAdd av_strndup().2014-08-13 - 2ba4577 / a8c104a - lavu 54.2.100 / 54.2.0 - opt.hAdd av_opt_get_dict_val/set_dict_val with AV_OPT_TYPE_DICT to supportdictionary types being set as options.2014-08-13 - afbd4b7e09 - lavf 56.01.0 - avformat.hAdd AVFormatContext.event_flags and AVStream.event_flags for signaling tothe user when events happen in the file/stream.2014-08-10 - 78eaaa8 / fb1ddcd - lavr 2.1.0 - avresample.hAdd avresample_convert_frame() and avresample_config().2014-08-10 - 78eaaa8 / fb1ddcd - lavu 54.1.100 / 54.1.0 - error.hAdd AVERROR_INPUT_CHANGED and AVERROR_OUTPUT_CHANGED.2014-08-08 - 3841f2a / d35b94f - lavc 55.73.102 / 55.57.4 - avcodec.hDeprecate FF_IDCT_XVIDMMX define and xvidmmx idct option.Replaced by FF_IDCT_XVID and xvid respectively.2014-08-08 - 5c3c671 - lavf 55.53.100 - avio.hAdd avio_feof() and deprecate url_feof().2014-08-07 - bb789016d4 - lsws 2.1.3 - swscale.hsws_getContext is not going to be removed in the future.2014-08-07 - a561662 / ad1ee5f - lavc 55.73.101 / 55.57.3 - avcodec.hreordered_opaque is not going to be removed in the future.2014-08-02 - 28a2107 - lavu 52.98.100 - pixelutils.hAdd pixelutils API with SAD functions2014-08-04 - 6017c98 / e9abafc - lavu 52.97.100 / 53.22.0 - pixfmt.hAdd AV_PIX_FMT_YA16 pixel format for 16 bit packed gray with alpha.2014-08-04 - 4c8bc6f / e96c3b8 - lavu 52.96.101 / 53.21.1 - avstring.hRename 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 - 073c074 / d2962e9 - lavu 52.96.100 / 53.21.0 - pixdesc.hSupport name aliases for pixel formats.2014-08-03 - 71d008e / 1ef9e83 - lavc 55.72.101 / 55.57.2 - avcodec.h
2014-08-03 - 71d008e / 1ef9e83 - lavu 52.95.100 / 53.20.0 - frame.hDeprecate AVCodecContext.dtg_active_format and use side-data instead.2014-08-03 - e680c73 - lavc 55.72.100 - avcodec.hAdd get_pixels() to AVDCT2014-08-03 - 9400603 / 9f17685 - lavc 55.71.101 / 55.57.1 - avcodec.hDeprecate 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.2014-07-30 - ba3e331 - lavu 52.94.100 - frame.hAdd av_frame_side_data_name()2014-07-29 - 80a3a66 / 3a19405 - lavf 56.01.100 / 56.01.0 - avformat.hAdd mime_type field to AVProbeData, which now MUST be initialized inorder to avoid uninitialized reads of the mime_type pointer, likelyleading to crashes.Typically, this means you will do 'AVProbeData pd = { 0 };' instead of'AVProbeData pd;'.2014-07-29 - 31e0b5d / 69e7336 - lavu 52.92.100 / 53.19.0 - avstring.hMake name matching function from lavf public as av_match_name().2014-07-28 - 2e5c8b0 / c5fca01 - lavc 55.71.100 / 55.57.0 - avcodec.hAdd AV_CODEC_PROP_REORDER to mark codecs supporting frame reordering.2014-07-27 - ff9a154 - lavf 55.50.100 - avformat.hNew field int64_t probesize2 instead of deprecatedfield int probesize.2014-07-27 - 932ff70 - lavc 55.70.100 - avdct.hAdd AVDCT / avcodec_dct_alloc() / avcodec_dct_init().2014-07-23 - 8a4c086 - lavf 55.49.100 - avio.hAdd avio_read_to_bprint()-------- 8< --------- FFmpeg 2.3 was cut here -------- 8< ---------2014-07-14 - 62227a7 - lavf 55.47.100 - avformat.hAdd av_stream_get_parser()2014-07-09 - c67690f / a54f03b - lavu 52.92.100 / 53.18.0 - display.hAdd av_display_matrix_flip() to flip the transformation matrix.2014-07-09 - 1b58f13 / f6ee61f - lavc 55.69.100 / 55.56.0 - dv_profile.hAdd a public API for DV profile handling.2014-06-20 - 0dceefc / 9e500ef - lavu 52.90.100 / 53.17.0 - imgutils.hAdd av_image_check_sar().2014-06-20 - 4a99333 / 874390e - lavc 55.68.100 / 55.55.0 - avcodec.hAdd av_packet_rescale_ts() to simplify timestamp conversion.2014-06-18 - ac293b6 / 194be1f - lavf 55.44.100 / 55.20.0 - avformat.hThe proper way for providing a hint about the desired timebase to the muxersis now setting AVStream.time_base, instead of AVStream.codec.time_base as wasdone previously. The old method is now deprecated.2014-06-11 - 67d29da - lavc 55.66.101 - avcodec.hIncrease FF_INPUT_BUFFER_PADDING_SIZE to 32 due to some corner cases needingit2014-06-10 - 5482780 - lavf 55.43.100 - avformat.hNew field int64_t max_analyze_duration2 instead of deprecatedint max_analyze_duration.2014-05-30 - 00759d7 - lavu 52.89.100 - opt.hAdd av_opt_copy()2014-06-01 - 03bb99a / 0957b27 - lavc 55.66.100 / 55.54.0 - avcodec.hAdd AVCodecContext.side_data_only_packets to allow encoders to output packetswith only side data. This option may become mandatory in the future, so allusers are recommended to update their code and enable this option.2014-06-01 - 6e8e9f1 / 8c02adc - lavu 52.88.100 / 53.16.0 - frame.h, pixfmt.hMove all color-related enums (AVColorPrimaries, AVColorSpace, AVColorRange,AVColorTransferCharacteristic, and AVChromaLocation) inside lavu.And add AVFrame fields for them.2014-05-29 - bdb2e80 / b2d4565 - lavr 1.3.0 - avresample.hAdd avresample_max_output_samples2014-05-28 - d858ee7 / 6d21259 - lavf 55.42.100 / 55.19.0 - avformat.hAdd strict_std_compliance and related AVOptions to support experimentalmuxing.2014-05-26 - 55cc60c - lavu 52.87.100 - threadmessage.hAdd thread message queue API.2014-05-26 - c37d179 - lavf 55.41.100 - avformat.hAdd format_probesize to AVFormatContext.2014-05-20 - 7d25af1 / c23c96b - lavf 55.39.100 / 55.18.0 - avformat.hAdd av_stream_get_side_data() to access stream-level side datain the same way as av_packet_get_side_data().2014-05-20 - 7336e39 - lavu 52.86.100 - fifo.hAdd av_fifo_alloc_array() function.2014-05-19 - ef1d4ee / bddd8cb - lavu 52.85.100 / 53.15.0 - frame.h, display.hAdd AV_FRAME_DATA_DISPLAYMATRIX for exporting frame-levelspatial rendering on video frames for proper display.2014-05-19 - ef1d4ee / bddd8cb - lavc 55.64.100 / 55.53.0 - avcodec.hAdd AV_PKT_DATA_DISPLAYMATRIX for exporting packet-levelspatial rendering on video frames for proper display.2014-05-19 - 999a99c / a312f71 - lavf 55.38.101 / 55.17.1 - avformat.hDeprecate AVStream.pts and the AVFrac struct, which was its only use case.See use av_stream_get_end_pts()2014-05-18 - 68c0518 / fd05602 - lavc 55.63.100 / 55.52.0 - avcodec.hAdd avcodec_free_context(). From now on it should be used for freeingAVCodecContext.2014-05-17 - 0eec06e / 1bd0bdc - lavu 52.84.100 / 54.5.0 - time.hAdd av_gettime_relative() av_gettime_relative_is_monotonic()2014-05-15 - eacf7d6 / 0c1959b - lavf 55.38.100 / 55.17.0 - avformat.hAdd AVFMT_FLAG_BITEXACT flag. Muxers now use it instead of checkingCODEC_FLAG_BITEXACT on the first stream.2014-05-15 - 96cb4c8 - lswr 0.19.100 - swresample.hAdd swr_close()2014-05-11 - 14aef38 / 66e6c8a - lavu 52.83.100 / 53.14.0 - pixfmt.hAdd AV_PIX_FMT_VDA for new-style VDA acceleration.2014-05-07 - 351f611 - lavu 52.82.100 - fifo.hAdd av_fifo_freep() function.2014-05-02 - ba52fb11 - lavu 52.81.100 - opt.hAdd av_opt_set_dict2() function.2014-05-01 - e77b985 / a2941c8 - lavc 55.60.103 / 55.50.3 - avcodec.hDeprecate CODEC_FLAG_MV0. It is replaced by the flag "mv0" in the"mpv_flags" private option of the mpegvideo encoders.2014-05-01 - e40ae8c / 6484149 - lavc 55.60.102 / 55.50.2 - avcodec.hDeprecate CODEC_FLAG_GMC. It is replaced by the "gmc" private option of thelibxvid encoder.2014-05-01 - 1851643 / b2c3171 - lavc 55.60.101 / 55.50.1 - avcodec.hDeprecate CODEC_FLAG_NORMALIZE_AQP. It is replaced by the flag "naq" in the"mpv_flags" private option of the mpegvideo encoders.2014-05-01 - cac07d0 / 5fcceda - avcodec.hDeprecate CODEC_FLAG_INPUT_PRESERVED. Its functionality is replaced by passingreference-counted frames to encoders.2014-04-30 - 617e866 - lavu 52.81.100 - pixdesc.hAdd av_find_best_pix_fmt_of_2(), av_get_pix_fmt_loss()Deprecate avcodec_get_pix_fmt_loss(), avcodec_find_best_pix_fmt_of_2()2014-04-29 - 1bf6396 - lavc 55.60.100 - avcodec.hAdd AVCodecDescriptor.mime_types field.2014-04-29 - b804eb4 - lavu 52.80.100 - hash.hAdd av_hash_final_bin(), av_hash_final_hex() and av_hash_final_b64().2014-03-07 - 8b2a130 - lavc 55.50.0 / 55.53.100 - dxva2.hAdd FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO for old Intel GPUs.2014-04-22 - 502512e /dac7e8a - lavu 53.13.0 / 52.78.100 - avutil.hAdd av_get_time_base_q().2014-04-17 - a8d01a7 / 0983d48 - lavu 53.12.0 / 52.77.100 - crc.hAdd AV_CRC_16_ANSI_LE crc variant.2014-04-15 - ef818d8 - lavf 55.37.101 - avformat.hAdd av_format_inject_global_side_data()2014-04-12 - 4f698be - lavu 52.76.100 - log.hAdd av_log_get_flags()2014-04-11 - 6db42a2b - lavd 55.12.100 - avdevice.hAdd avdevice_capabilities_create() function.Add avdevice_capabilities_free() function.2014-04-07 - 0a1cc04 / 8b17243 - lavu 52.75.100 / 53.11.0 - pixfmt.hAdd AV_PIX_FMT_YVYU422 pixel format.2014-04-04 - c1d0536 / 8542f9c - lavu 52.74.100 / 53.10.0 - replaygain.hFull scale for peak values is now 100000 (instead of UINT32_MAX) and valuesmay overflow.2014-04-03 - c16e006 / 7763118 - lavu 52.73.100 / 53.9.0 - log.hAdd AV_LOG(c) macro to have 256 color debug messages.2014-04-03 - eaed4da9 - lavu 52.72.100 - opt.hAdd AV_OPT_MULTI_COMPONENT_RANGE define to allow returnmulti-component option ranges.2014-03-29 - cd50a44b - lavu 52.70.100 - mem.hAdd av_dynarray_add_nofree() function.2014-02-24 - 3e1f241 / d161ae0 - lavu 52.69.100 / 53.8.0 - frame.hAdd av_frame_remove_side_data() for removing a single side datainstance from a frame.2014-03-24 - 83e8978 / 5a7e35d - lavu 52.68.100 / 53.7.0 - frame.h, replaygain.hAdd AV_FRAME_DATA_REPLAYGAIN for exporting replaygain tags.Add a new header replaygain.h with the AVReplayGain struct.2014-03-24 - 83e8978 / 5a7e35d - lavc 55.54.100 / 55.36.0 - avcodec.hAdd AV_PKT_DATA_REPLAYGAIN for exporting replaygain tags.2014-03-24 - 595ba3b / 25b3258 - lavf 55.35.100 / 55.13.0 - avformat.hAdd AVStream.side_data and AVStream.nb_side_data for exporting stream-globalside data (e.g. replaygain tags, video rotation)2014-03-24 - bd34e26 / 0e2c3ee - lavc 55.53.100 / 55.35.0 - avcodec.hGive the name AVPacketSideData to the previously anonymous struct used forAVPacket.side_data.-------- 8< --------- FFmpeg 2.2 was cut here -------- 8< ---------2014-03-18 - 37c07d4 - lsws 2.5.102Make gray16 full-scale.2014-03-16 - 6b1ca17 / 1481d24 - lavu 52.67.100 / 53.6.0 - pixfmt.hAdd RGBA64_LIBAV pixel format and variants for compatibility2014-03-11 - 3f3229c - lavf 55.34.101 - avformat.hSet AVFormatContext.start_time_realtime when demuxing.2014-03-03 - 06fed440 - lavd 55.11.100 - avdevice.hAdd av_input_audio_device_next().Add av_input_video_device_next().Add av_output_audio_device_next().Add av_output_video_device_next().2014-02-24 - fff5262 / 1155fd0 - lavu 52.66.100 / 53.5.0 - frame.hAdd av_frame_copy() for copying the frame data.2014-02-24 - a66be60 - lswr 0.18.100 - swresample.hAdd swr_is_initialized() for checking whether a resample context is initialized.2014-02-22 - 5367c0b / 7e86c27 - lavr 1.2.0 - avresample.hAdd avresample_is_open() for checking whether a resample context is open.2014-02-19 - 6a24d77 / c3ecd96 - lavu 52.65.100 / 53.4.0  - opt.hAdd AV_OPT_FLAG_EXPORT and AV_OPT_FLAG_READONLY to mark options meant (only)for reading.2014-02-19 - f4c8d00 / 6bb8720 - lavu 52.64.101 / 53.3.1 - opt.hDeprecate unused AV_OPT_FLAG_METADATA.2014-02-16 - 81c3f81 - lavd 55.10.100 - avdevice.hAdd avdevice_list_devices() and avdevice_free_list_devices()2014-02-16 - db3c970 - lavf 55.33.100 - avio.hAdd avio_find_protocol_name() to find out the name of the protocol that wouldbe selected for a given URL.2014-02-15 - a2bc6c1 / c98f316 - lavu 52.64.100 / 53.3.0 - frame.hAdd AV_FRAME_DATA_DOWNMIX_INFO value to the AVFrameSideDataType enum anddownmix_info.h API, which identify downmix-related metadata.2014-02-11 - 1b05ac2 - lavf 55.32.100 - avformat.hAdd av_write_uncoded_frame() and av_interleaved_write_uncoded_frame().2014-02-04 - 3adb5f8 / d9ae103 - lavf 55.30.100 / 55.11.0 - avformat.hAdd AVFormatContext.max_interleave_delta for controlling amount of bufferingwhen interleaving.2014-02-02 - 5871ee5 - lavf 55.29.100 - avformat.hAdd output_ts_offset muxing option to AVFormatContext.2014-01-27 - 102bd64 - lavd 55.7.100 - avdevice.hlavf 55.28.100 - avformat.hAdd avdevice_dev_to_app_control_message() function.2014-01-27 - 7151411 - lavd 55.6.100 - avdevice.hlavf 55.27.100 - avformat.hAdd avdevice_app_to_dev_control_message() function.2014-01-24 - 86bee79 - lavf 55.26.100 - avformat.hAdd AVFormatContext option metadata_header_padding to allow control over theamount of padding added.2014-01-20 - eef74b2 / 93c553c - lavc 55.48.102 / 55.32.1 - avcodec.hEdges are not required anymore on video buffers allocated by get_buffer2()(i.e. as if the CODEC_FLAG_EMU_EDGE flag was always on). DeprecateCODEC_FLAG_EMU_EDGE and avcodec_get_edge_width().2014-01-19 - 1a193c4 - lavf 55.25.100 - avformat.hAdd avformat_get_mov_video_tags() and avformat_get_mov_audio_tags().2014-01-19 - 3532dd5 - lavu 52.63.100 - rational.hAdd av_make_q() function.2014-01-05 - 4cf4da9 / 5b4797a - lavu 52.62.100 / 53.2.0 - frame.hAdd AV_FRAME_DATA_MATRIXENCODING value to the AVFrameSideDataType enum, whichidentifies AVMatrixEncoding data.2014-01-05 - 751385f / 5c437fb - lavu 52.61.100 / 53.1.0 - channel_layout.hAdd values for various Dolby flags to the AVMatrixEncoding enum.2014-01-04 - b317f94 - lavu 52.60.100 - mathematics.hAdd av_add_stable() function.2013-12-22 - 911676c - lavu 52.59.100 - avstring.hAdd av_strnlen() function.2013-12-09 - 64f73ac - lavu 52.57.100 - opencl.hAdd av_opencl_benchmark() function.2013-11-30 - 82b2e9c - lavu 52.56.100 - ffversion.hMoves version.h to libavutil/ffversion.h.Install ffversion.h and make it public.2013-12-11 - 29c83d2 / b9fb59d,409a143 / 9431356,44967ab / d7b3ee9 - lavc 55.45.101 / 55.28.1 - avcodec.hav_frame_alloc(), av_frame_unref() and av_frame_free() now can and should beused instead of avcodec_alloc_frame(), avcodec_get_frame_defaults() andavcodec_free_frame() respectively. The latter three functions are deprecated.2013-12-09 - 7a60348 / 7e244c6- - lavu 52.58.100 / 52.20.0 - frame.hAdd AV_FRAME_DATA_STEREO3D value to the AVFrameSideDataType enum andstereo3d.h API, that identify codec-independent stereo3d information.2013-11-26 - 625b290 / 1eaac1d- - lavu 52.55.100 / 52.19.0 - frame.hAdd AV_FRAME_DATA_A53_CC value to the AVFrameSideDataType enum, whichidentifies ATSC A53 Part 4 Closed Captions data.2013-11-22 - 6859065 - lavu 52.54.100 - avstring.hAdd av_utf8_decode() function.2013-11-22 - fb7d70c - lavc 55.44.100 - avcodec.hAdd HEVC profiles2013-11-20 - c28b61c - lavc 55.44.100 - avcodec.hAdd av_packet_{un,}pack_dictionary()Add AV_PKT_METADATA_UPDATE side data type, used to transmit key/valuestrings between a stream and the application.2013-11-14 - 7c888ae / cce3e0a - lavu 52.53.100 / 52.18.0 - mem.hMove av_fast_malloc() and av_fast_realloc() for libavcodec to libavutil.2013-11-14 - b71e4d8 / 8941971 - lavc 55.43.100 / 55.27.0 - avcodec.hDeprecate AVCodecContext.error_rate, it is replaced by the 'error_rate'private option of the mpegvideo encoder family.2013-11-14 - 31c09b7 / 728c465 - lavc 55.42.100 / 55.26.0 - vdpau.hAdd av_vdpau_get_profile().Add av_vdpau_alloc_context(). This function must from now on beused for allocating AVVDPAUContext.2013-11-04 - be41f21 / cd8f772 - lavc 55.41.100 / 55.25.0 - avcodec.hlavu 52.51.100 - frame.hAdd ITU-R BT.2020 and other not yet included values to color primaries,transfer characteristics and colorspaces.2013-11-04 - 85cabf1 - lavu 52.50.100 - avutil.hAdd av_fopen_utf8()2013-10-31 - 78265fc / 28096e0 - lavu 52.49.100 / 52.17.0 - frame.hAdd AVFrame.flags and AV_FRAME_FLAG_CORRUPT.-------- 8< --------- FFmpeg 2.1 was cut here -------- 8< ---------2013-10-27 - dbe6f9f - lavc 55.39.100 - avcodec.hAdd CODEC_CAP_DELAY support to avcodec_decode_subtitle2.2013-10-27 - d61617a - lavu 52.48.100 - parseutils.hAdd av_get_known_color_name().2013-10-17 - 8696e51 - lavu 52.47.100 - opt.hAdd AV_OPT_TYPE_CHANNEL_LAYOUT and channel layout option handlersav_opt_get_channel_layout() and av_opt_set_channel_layout().2013-10-06 - ccf96f8 -libswscale 2.5.101 - options.cChange default scaler to bicubic2013-10-03 - e57dba0 - lavc 55.34.100 - avcodec.hAdd av_codec_get_max_lowres()2013-10-02 - 5082fcc - lavf 55.19.100 - avformat.hAdd audio/video/subtitle AVCodec fields to AVFormatContext to force specificdecoders2013-09-28 - 7381d31 / 0767bfd - lavfi 3.88.100 / 3.11.0 - avfilter.hAdd AVFilterGraph.execute and AVFilterGraph.opaque for custom slice threadingimplementations.2013-09-21 - 85f8a3c / e208e6d - lavu 52.46.100 / 52.16.0 - pixfmt.hAdd interleaved 4:2:2 8/10-bit formats AV_PIX_FMT_NV16 andAV_PIX_FMT_NV20.2013-09-16 - c74c3fb / 3feb3d6 - lavu 52.44.100 / 52.15.0 - mem.hAdd av_reallocp.2013-09-04 - 3e1f507 - lavc 55.31.101 - avcodec.havcodec_close() argument can be NULL.2013-09-04 - 36cd017a - lavf 55.16.101 - avformat.havformat_close_input() argument can be NULL and point on NULL.2013-08-29 - e31db62 - lavf 55.15.100 - avformat.hAdd av_format_get_probe_score().2013-08-15 - 1e0e193 - lsws 2.5.100 -Add a sws_dither AVOption, allowing to set the dither algorithm used2013-08-11 - d404fe35 - lavc 55.27.100 - vdpau.hAdd a render2 alternative to the render callback function.2013-08-11 - af05edc - lavc 55.26.100 - vdpau.hAdd allocation function for AVVDPAUContext, allowingto extend it in the future without breaking ABI/API.2013-08-10 - 67a580f / 5a9a9d4 - lavc 55.25.100 / 55.16.0 - avcodec.hExtend 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 - 9547e3e / f824535 - lavc 55.22.100 / 55.13.0 - avcodec.hDeprecate the bitstream-related members from struct AVVDPAUContext.The bitstream buffers no longer need to be explicitly freed.2013-08-05 - 3b805dc / 549294f - lavc 55.21.100 / 55.12.0 - avcodec.hDeprecate the CODEC_CAP_HWACCEL_VDPAU codec capability. Use CODEC_CAP_HWACCELand select the AV_PIX_FMT_VDPAU format with get_format() instead.2013-08-05 - 4ee0984 / a0ad5d0 - lavu 52.41.100 / 52.14.0 - pixfmt.hDeprecate AV_PIX_FMT_VDPAU_*. Use AV_PIX_FMT_VDPAU instead.2013-08-02 - 82fdfe8 / a8b1927 - lavc 55.20.100 / 55.11.0 - avcodec.hAdd output_picture_number to AVCodecParserContext.2013-07-23 - abc8110 - lavc 55.19.100 - avcodec.hAdd avcodec_chroma_pos_to_enum()Add avcodec_enum_to_chroma_pos()-------- 8< --------- FFmpeg 2.0 was cut here -------- 8< ---------2013-07-03 - 838bd73 - lavfi 3.78.100 - avfilter.hDeprecate avfilter_graph_parse() in favor of the equivalentavfilter_graph_parse_ptr().2013-06-24 - af5f9c0 / 95d5246 - lavc 55.17.100 / 55.10.0 - avcodec.hAdd MPEG-2 AAC profiles2013-06-25 - af5f9c0 / 95d5246 - lavf 55.10.100 - avformat.hAdd AV_DISPOSITION_* flags to indicate text track kind.2013-06-15 - 99b8cd0 - lavu 52.36.100Add AVRIPEMD:av_ripemd_alloc()av_ripemd_init()av_ripemd_update()av_ripemd_final()2013-06-10 - 82ef670 - lavu 52.35.101 - hmac.hAdd AV_HMAC_SHA224, AV_HMAC_SHA256, AV_HMAC_SHA384, AV_HMAC_SHA5122013-06-04 - 30b491f / fc962d4 - lavu 52.35.100 / 52.13.0 - mem.hAdd av_realloc_array and av_reallocp_array2013-05-30 - 682b227 - lavu 52.35.100Add AVSHA512:av_sha512_alloc()av_sha512_init()av_sha512_update()av_sha512_final()2013-05-24 - 8d4e969 / 129bb23 - lavfi 3.10.0 / 3.70.100 - avfilter.hAdd support for slice multithreading to lavfi. Filters supporting threadingare marked with AVFILTER_FLAG_SLICE_THREADS.New fields AVFilterContext.thread_type, AVFilterGraph.thread_type andAVFilterGraph.nb_threads (accessible directly or through AVOptions) may beused to configure multithreading.2013-05-24 - fe40a9f / 2a6eaea - lavu 52.12.0 / 52.34.100 - cpu.hAdd av_cpu_count() function for getting the number of logical CPUs.2013-05-24 - 0c25c39 / b493847 - lavc 55.7.0 / 55.12.100 - avcodec.hAdd picture_structure to AVCodecParserContext.2013-05-17 - 3a751ea - lavu 52.33.100 - opt.hAdd AV_OPT_TYPE_COLOR value to AVOptionType enum.2013-05-13 - e398416 - lavu 52.31.100 - mem.hAdd av_dynarray2_add().2013-05-12 - 1776177 - lavfi 3.65.100Add AVFILTER_FLAG_SUPPORT_TIMELINE* filter flags.2013-04-19 - 380cfce - lavc 55.4.100Add AV_CODEC_PROP_TEXT_SUB property for text based subtitles codec.2013-04-18 - 7c1a002 - lavf 55.3.100The matroska demuxer can now output proper verbatim ASS packets. It willbecome the default starting lavf 56.0.100.2013-04-10 - af0d270 - lavu 25.26.100 - avutil.h,opt.hAdd av_int_list_length()and av_opt_set_int_list().2013-03-30 - 5c73645 - lavu 52.24.100 - samplefmt.hAdd av_samples_alloc_array_and_samples().2013-03-29 - ef7b6b4 - lavf 55.1.100 - avformat.hAdd av_guess_frame_rate()2013-03-20 - 8d928a9 - lavu 52.22.100 - opt.hAdd AV_OPT_TYPE_DURATION value to AVOptionType enum.2013-03-17 - 7aa9af5 - lavu 52.20.100 - opt.hAdd AV_OPT_TYPE_VIDEO_RATE value to AVOptionType enum.-------- 8< --------- FFmpeg 1.2 was cut here -------- 8< ---------2013-03-07 - 9767ec6 - lavu 52.18.100 - avstring.h,bprint.hAdd av_escape() and av_bprint_escape() API.2013-02-24 - b59cd08 - lavfi 3.41.100 - buffersink.hAdd sample_rates field to AVABufferSinkParams.2013-01-17 - a1a707f - lavf 54.61.100Add av_codec_get_tag2().2013-01-01 - 2eb2e17 - lavfi 3.34.100Add avfilter_get_audio_buffer_ref_from_arrays_channels.-------- 8< --------- FFmpeg 1.1 was cut here -------- 8< ---------2012-12-20 - 34de47aa - lavfi 3.29.100 - avfilter.hAdd AVFilterLink.channels, avfilter_link_get_channels()and avfilter_ref_get_channels().2012-12-15 - 96d815fc - lavc 54.80.100 - avcodec.hAdd pkt_size field to AVFrame.2012-11-25 - c70ec631 - lavu 52.9.100 - opt.hAdd the following convenience functions to opt.h:av_opt_get_image_sizeav_opt_get_pixel_fmtav_opt_get_sample_fmtav_opt_set_image_sizeav_opt_set_pixel_fmtav_opt_set_sample_fmt2012-11-17 - 4cd74c81 - lavu 52.8.100 - bprint.hAdd av_bprint_strftime().2012-11-15 - 92648107 - lavu 52.7.100 - opt.hAdd av_opt_get_key_value().2012-11-13 - 79456652 - lavfi 3.23.100 - avfilter.hAdd channels field to AVFilterBufferRefAudioProps.2012-11-03 - 481fdeee - lavu 52.3.100 - opt.hAdd AV_OPT_TYPE_SAMPLE_FMT value to AVOptionType enum.2012-10-21 - 6fb2fd8 - lavc  54.68.100 - avcodec.hlavfi  3.20.100 - avfilter.hAdd AV_PKT_DATA_STRINGS_METADATA side data type, used to transmit key/valuestrings between AVPacket and AVFrame, and add metadata field toAVCodecContext (which shall not be accessed by users; see AVFrame metadatainstead).2012-09-27 - a70b493 - lavd 54.3.100 - version.hAdd LIBAVDEVICE_IDENT symbol.2012-09-27 - a70b493 - lavfi 3.18.100 - version.hAdd LIBAVFILTER_IDENT symbol.2012-09-27 - a70b493 - libswr 0.16.100 - version.hAdd LIBSWRESAMPLE_VERSION, LIBSWRESAMPLE_BUILDand LIBSWRESAMPLE_IDENT symbols.-------- 8< --------- FFmpeg 1.0 was cut here -------- 8< ---------2012-09-06 - 29e972f - lavu 51.72.100 - parseutils.hAdd av_small_strptime() time parsing function.Can be used as a stripped-down replacement for strptime(), onsystems which do not support it.2012-08-25 - 2626cc4 - lavf 54.28.100Matroska demuxer now identifies SRT subtitles as AV_CODEC_ID_SUBRIP insteadof AV_CODEC_ID_TEXT.2012-08-13 - 5c0d8bc - lavfi 3.8.100 - avfilter.hAdd avfilter_get_class() function, and priv_class field to AVFilterstruct.2012-08-12 - a25346e - lavu 51.69.100 - opt.hAdd AV_OPT_FLAG_FILTERING_PARAM symbol in opt.h.2012-07-31 - 23fc4dd - lavc 54.46.100Add channels field to AVFrame.2012-07-30 - f893904 - lavu 51.66.100Add av_get_channel_description()and av_get_standard_channel_layout() functions.2012-07-21 - 016a472 - lavc 54.43.100Add decode_error_flags field to AVFrame.2012-07-20 - b062936 - lavf 54.18.100Add avformat_match_stream_specifier() function.2012-07-14 - f49ec1b - lavc 54.38.100 - avcodec.hAdd metadata to AVFrame, and the accessor functionsav_frame_get_metadata() and av_frame_set_metadata().2012-07-10 - 0e003d8 - lavc 54.33.100Add av_fast_padded_mallocz().2012-07-10 - 21d5609 - lavfi 3.2.0 - avfilter.hAdd init_opaque() callback to AVFilter struct.2012-06-26 - e6674e4 - lavu 51.63.100 - imgutils.hAdd functions to libavutil/imgutils.h:av_image_get_buffer_size()av_image_fill_arrays()av_image_copy_to_buffer()2012-06-24 - c41899a - lavu 51.62.100 - version.hversion moved from avutil.h to version.h2012-04-11 - 359abb1 - lavu 51.58.100 - error.hAdd av_make_error_string() and av_err2str() utilities tolibavutil/error.h.2012-06-05 - 62b39d4 - lavc 54.24.100Add pkt_duration field to AVFrame.2012-05-24 - f2ee065 - lavu 51.54.100Move AVPALETTE_SIZE and AVPALETTE_COUNT macros fromlibavcodec/avcodec.h to libavutil/pixfmt.h.2012-05-14 - 94a9ac1 - lavf 54.5.100Add av_guess_sample_aspect_ratio() function.2012-04-20 - 65fa7bc - lavfi 2.70.100Add avfilter_unref_bufferp() to avfilter.h.2012-04-13 - 162e400 - lavfi 2.68.100Install libavfilter/asrc_abuffer.h public header.2012-03-26 - a67d9cf - lavfi 2.66.100Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.2013-05-15 - ff46809 / e6c4ac7 - lavu 52.32.100 / 52.11.0 - pixdesc.hReplace PIX_FMT_* flags with AV_PIX_FMT_FLAG_*.2013-04-03 - 6fc58a8 / 507b1e4 - lavc 55.7.100 / 55.4.0 - avcodec.hAdd field_order to AVCodecParserContext.2013-04-19 - f4b05cd / 5e83d9a - lavc 55.5.100 / 55.2.0 - avcodec.hAdd CODEC_FLAG_UNALIGNED to allow decoders to produce unaligned output.2013-04-11 - lavfi 3.53.100 / 3.8.0231fd44 / 38f0c07 - Move all content from avfiltergraph.h to avfilter.h. Deprecateavfilterhraph.h, user applications should include just avfilter.h86070b8 / bc1a985 - Add avfilter_graph_alloc_filter(), deprecate avfilter_open() andavfilter_graph_add_filter().4fde705 / 1113672 - Add AVFilterContext.graph pointing to the AVFilterGraph that contains thefilter.710b0aa / 48a5ada - Add avfilter_init_str(), deprecate avfilter_init_filter().46de9ba / 1ba95a9 - Add avfilter_init_dict().16fc24b / 7cdd737 - Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.f4db6bf / 7e8fe4b - Add avfilter_pad_count() for counting filter inputs/outputs.835cc0f / fa2a34c - Add avfilter_next(), deprecate av_filter_next().Deprecate avfilter_uninit().2013-04-09 - lavfi 3.51.100 / 3.7.0 - avfilter.h0594ef0 / b439c99 - Add AVFilter.priv_class for exporting filter options through theAVOptions API in the similar way private options work in lavc and lavf.44d4488 / 8114c10 - Add avfilter_get_class().Switch all filters to use AVOptions.2013-03-19 - 17ebef2 / 2c328a9 - lavu 52.20.100 / 52.9.0 - pixdesc.hAdd av_pix_fmt_count_planes() function for counting planes in a pixel format.2013-03-16 - ecade98 / 42c7c61 - lavfi 3.47.100 / 3.6.0Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.2013-03-08 - Reference counted buffers - lavu 52.8.0, lavc 55.0.100 / 55.0.0, lavf 55.0.100 / 55.0.0,
lavd 54.4.100 / 54.0.0, lavfi 3.5.036099df / 8e401db, 532f31a / 1cec062 - add a new API for reference counted buffers and bufferpools (new header libavutil/buffer.h).2653e12 / 1afddbe - add AVPacket.buf to allow reference counting for the AVPacket data.Add av_packet_from_data() function for constructing packets fromav_malloc()ed data.c4e8821 / 7ecc2d4 - move AVFrame from lavc to lavu (new header libavutil/frame.h), addAVFrame.buf/extended_buf to allow reference counting for the AVFramedata. Add new API for working with reference-counted AVFrames.80e9e63 / 759001c - add the refcounted_frames field to AVCodecContext to make audio andvideo decoders return reference-counted frames. Add get_buffer2()callback to AVCodecContext which allocates reference-counted frames.Add avcodec_default_get_buffer2() as the default get_buffer2()implementation.Deprecate AVCodecContext.get_buffer() / release_buffer() /reget_buffer(), avcodec_default_get_buffer(),avcodec_default_reget_buffer(), avcodec_default_release_buffer().Remove avcodec_default_free_buffers(), which should not have everbeen called from outside of lavc.Deprecate the following AVFrame fields:* base -- is now stored in AVBufferRef* reference, type, buffer_hints -- are unnecessary in the new API* hwaccel_picture_private, owner, thread_opaque -- should nothave been accessed from outside of lavc* qscale_table, qstride, qscale_type, mbskip_table, motion_val,mb_type, dct_coeff, ref_index -- mpegvideo-specific tables,which are not exported anymore.a05a44e / 7e35037 - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Addav_buffersrc_add_frame(), deprecate av_buffersrc_buffer().Add av_buffersink_get_frame() and av_buffersink_get_samples(),deprecate av_buffersink_read() and av_buffersink_read_samples().Deprecate AVFilterBufferRef and all functions for working with it.2013-03-17 - 6c17ff8 / 12c5c1d - lavu 52.19.100 / 52.8.0 - avstring.hAdd av_isdigit, av_isgraph, av_isspace, av_isxdigit.2013-02-23 - 71cf094 / 9f12235 - lavfi 3.40.100 / 3.4.0 - avfiltergraph.hAdd resample_lavr_opts to AVFilterGraph for setting libavresample optionsfor auto-inserted resample filters.2013-01-25 - e7e14bc / 38c1466 - lavu 52.17.100 / 52.7.0 - dict.hAdd av_dict_parse_string() to set multiple key/value pairs at once from astring.2013-01-25 - 25be630 / b85a5e8 - lavu 52.16.100 / 52.6.0 - avstring.hAdd av_strnstr()2013-01-15 - e7e0186 / 8ee288d - lavu 52.15.100 / 52.5.0 - hmac.hAdd AVHMAC.2013-01-13 - 8ee7b38 / 44e065d - lavc 54.87.100 / 54.36.0 - vdpau.hAdd AVVDPAUContext struct for VDPAU hardware-accelerated decoding.2013-01-12 - dae382b / 169fb94 - lavu 52.14.100 / 52.4.0 - pixdesc.hAdd AV_PIX_FMT_VDPAU flag.2013-01-07 - 249fca3 / 074a00d - lavr 1.1.0Add avresample_set_channel_mapping() for input channel reordering,duplication, and silencing.2012-12-29 - lavu 52.13.100 / 52.3.0 - avstring.h2ce43b3 / d8fd06c - Add av_basename() and av_dirname().e13d5e9 / c1a02e8 - Add av_pix_fmt_get_chroma_sub_sample and deprecateavcodec_get_chroma_sub_sample.2012-11-11 - 03b0787 / 5980f5d - lavu 52.6.100 / 52.2.0 - audioconvert.hRename audioconvert.h to channel_layout.h. audioconvert.h is now deprecated.2012-10-21 - e3a91c5 / a893655 - lavu 51.77.100 / 51.45.0 - error.hAdd AVERROR_EXPERIMENTAL2012-10-12 - a33ed6b / d2fcb35 - lavu 51.76.100 / 51.44.0 - pixdesc.hAdd functions for accessing pixel format descriptors.Accessing the av_pix_fmt_descriptors array directly is nowdeprecated.2012-10-11 - f391e40 / 9a92aea - lavu 51.75.100 / 51.43.0 - aes.h, md5.h, sha.h, tree.hAdd functions for allocating the opaque contexts for the algorithms,2012-10-10 - de31814 / b522000 - lavf 54.32.100 / 54.18.0 - avio.hAdd avio_closep to complement avio_close.2012-10-08 - ae77266 / 78071a1 - lavu 51.74.100 / 51.42.0 - pixfmt.hRename PixelFormat to AVPixelFormat and all PIX_FMT_* to AV_PIX_FMT_*.To provide backwards compatibility, PixelFormat is now #defined asAVPixelFormat.Note that this can break user code that includes pixfmt.h and uses the'PixelFormat' identifier. Such code should either #undef PixelFormator stop using the PixelFormat name.2012-10-05 - 55c49af / e7ba5b1 - lavr 1.0.0 - avresample.hData planes parameters to avresample_convert() andavresample_read() are now uint8_t** instead of void**.Libavresample is now stable.2012-09-26 - 3ba0dab7 / 1384df64 - lavf 54.29.101 / 56.06.3 - avformat.hAdd AVFormatContext.avoid_negative_ts.2012-09-24 - 46a3595 / a42aada - lavc 54.59.100 / 54.28.0 - avcodec.hAdd avcodec_free_frame(). This function must nowbe used for freeing an AVFrame.2012-09-12 - e3e09f2 / 8919fee - lavu 51.73.100 / 51.41.0 - audioconvert.hAdded AV_CH_LOW_FREQUENCY_2 channel mask value.2012-09-04 - b21b5b0 / 686a329 - lavu 51.71.100 / 51.40.0 - opt.hReordered the fields in default_val in AVOption, changed whichdefault_val field is used for which AVOptionType.2012-08-30 - 98298eb / a231832 - lavc 54.54.101 / 54.26.1 - avcodec.hAdd codec descriptor properties AV_CODEC_PROP_LOSSY andAV_CODEC_PROP_LOSSLESS.2012-08-18 - lavc 54.26 - avcodec.hAdd codec descriptors for accessing codec properties without havingto refer to a specific decoder or encoder.f5f3684 / c223d79 - Add an AVCodecDescriptor struct and functionsavcodec_descriptor_get() and avcodec_descriptor_next().f5f3684 / 51efed1 - Add AVCodecDescriptor.props and AV_CODEC_PROP_INTRA_ONLY.6c180b3 / 91e59fe - Add avcodec_descriptor_get_by_name().2012-08-08 - f5f3684 / 987170c - lavu 51.68.100 / 51.38.0 - dict.hAdd av_dict_count().2012-08-07 - 7a72695 / 104e10f - lavc 54.51.100 / 54.25.0 - avcodec.hRename CodecID to AVCodecID and all CODEC_ID_* to AV_CODEC_ID_*.To provide backwards compatibility, CodecID is now #defined as AVCodecID.Note that this can break user code that includes avcodec.h and uses the'CodecID' identifier. Such code should either #undef CodecID or stop using theCodecID name.2012-08-03 - e776ee8 / 239fdf1 - lavu 51.66.101 / 51.37.1 - cpu.hlsws 2.1.1   - swscale.hRename AV_CPU_FLAG_MMX2  ---> AV_CPU_FLAG_MMXEXT.Rename SWS_CPU_CAPS_MMX2 ---> SWS_CPU_CAPS_MMXEXT.2012-07-29 - 7c26761 / 681ed00 - lavf 54.22.100 / 54.13.0 - avformat.hAdd AVFMT_FLAG_NOBUFFER for low latency use cases.2012-07-10 - fbe0245 / f3e5e6f - lavu 51.65.100 / 51.37.0Add av_malloc_array() and av_mallocz_array()2012-06-22 - e847f41 / d3d3a32 - lavu 51.61.100 / 51.34.0Add av_usleep()2012-06-20 - 4da42eb / ae0a301 - lavu 51.60.100 / 51.33.0Move av_gettime() to libavutil, add libavutil/time.h2012-06-09 - 82edf67 / 3971be0 - lavr 0.0.3Add a parameter to avresample_build_matrix() for Dolby/DPLII downmixing.2012-06-12 - c7b9eab / 9baeff9 - lavfi 2.79.100 / 2.23.0 - avfilter.hAdd AVFilterContext.nb_inputs/outputs. DeprecateAVFilterContext.input/output_count.2012-06-12 - c7b9eab / 84b9fbe - lavfi 2.79.100 / 2.22.0 - avfilter.hAdd avfilter_pad_get_type() and avfilter_pad_get_name(). Thoseshould now be used instead of accessing AVFilterPad membersdirectly.2012-06-12 - 3630a07 / b0f0dfc - lavu 51.57.100 / 51.32.0 - audioconvert.hAdd av_get_channel_layout_channel_index(), av_get_channel_name()and av_channel_layout_extract_channel().2012-05-25 - 53ce990 / 154486f - lavu 51.55.100 / 51.31.0 - opt.hAdd av_opt_set_bin()2012-05-15 - lavfi 2.74.100 / 2.17.0Add support for audio filters61930bd / ac71230, 1cbf7fb / a2cd9be - add video/audio buffer sink in a new installedheader buffersink.h1cbf7fb / 720c6b7 - add av_buffersrc_write_frame(), deprecateav_vsrc_buffer_add_frame()61930bd / ab16504 - add avfilter_copy_buf_props()61930bd / 9453c9e - add extended_data to AVFilterBuffer61930bd / 1b8c927 - add avfilter_get_audio_buffer_ref_from_arrays()2012-05-09 - lavu 51.53.100 / 51.30.0 - samplefmt.h61930bd / 142e740 - add av_samples_copy()61930bd / 6d7f617 - add av_samples_set_silence()2012-05-09 - 61930bd / a5117a2 - lavc 54.21.101 / 54.13.1For audio formats with fixed frame size, the last frameno longer needs to be padded with silence, libavcodecwill handle this internally (effectively all encodersbehave as if they had CODEC_CAP_SMALL_LAST_FRAME set).2012-05-07 - 653d117 / 828bd08 - lavc 54.20.100 / 54.13.0 - avcodec.hAdd sample_rate and channel_layout fields to AVFrame.2012-05-01 - 2330eb1 / 4010d72 - lavr 0.0.1Change AV_MIX_COEFF_TYPE_Q6 to AV_MIX_COEFF_TYPE_Q8.2012-04-25 - e890b68 / 3527a73 - lavu 51.48.100 / 51.29.0 - cpu.hAdd av_parse_cpu_flags()2012-04-24 - 3ead79e / c8af852 - lavr 0.0.0Add libavresample audio conversion library2012-04-20 - 3194ab7 / 0c0d1bc - lavu 51.47.100 / 51.28.0 - audio_fifo.hAdd audio FIFO functions:av_audio_fifo_free()av_audio_fifo_alloc()av_audio_fifo_realloc()av_audio_fifo_write()av_audio_fifo_read()av_audio_fifo_drain()av_audio_fifo_reset()av_audio_fifo_size()av_audio_fifo_space()2012-04-14 - lavfi 2.70.100 / 2.16.0 - avfiltergraph.h7432bcf / d7bcc71 Add avfilter_graph_parse2().2012-04-08 - 6bfb304 / 4d693b0 - lavu 51.46.100 / 51.27.0 - samplefmt.hAdd av_get_packed_sample_fmt() and av_get_planar_sample_fmt()2012-03-21 - b75c67d - lavu 51.43.100Add bprint.h for bprint API.2012-02-21 - 9cbf17e - lavc 54.4.100Add av_get_pcm_codec() function.2012-02-16 - 560b224 - libswr 0.7.100Add swr_set_matrix() function.2012-02-09 - c28e7af - lavu 51.39.100Add a new installed header libavutil/timestamp.h with timestamputilities.2012-02-06 - 70ffda3 - lavu 51.38.100Add av_parse_ratio() function to parseutils.h.2012-02-06 - 70ffda3 - lavu 51.38.100Add AV_LOG_MAX_OFFSET macro to log.h.2012-02-02 - 0eaa123 - lavu 51.37.100Add public timecode helpers.2012-01-24 - 0c3577b - lavfi 2.60.100Add avfilter_graph_dump.2012-03-20 - 0ebd836 / 3c90cc2 - lavfo 54.2.0Deprecate av_read_packet(), use av_read_frame() withAVFMT_FLAG_NOPARSE | AVFMT_FLAG_NOFILLIN in AVFormatContext.flags2012-03-05 - lavc 54.10.100 / 54.8.0f095391 / 6699d07 Add av_get_exact_bits_per_sample()f095391 / 9524cf7 Add av_get_audio_frame_duration()2012-03-04 - 2af8f2c / 44fe77b - lavc 54.8.100 / 54.7.0 - avcodec.hAdd av_codec_is_encoder/decoder().2012-03-01 - 1eb7f39 / 442c132 - lavc 54.5.100 / 54.3.0 - avcodec.hAdd av_packet_shrink_side_data.2012-02-29 - 79ae084 / dd2a4bc - lavf 54.2.100 / 54.2.0 - avformat.hAdd AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,used for dealing with attached pictures/cover art.2012-02-25 - 305e4b3 / c9bca80 - lavu 51.41.100 / 51.24.0 - error.hAdd AVERROR_UNKNOWNNOTE: this was backported to 0.82012-02-20 - eadd426 / e9cda85 - lavc 54.2.100 / 54.2.0Add duration field to AVCodecParserContext2012-02-20 - eadd426 / 0b42a93 - lavu 51.40.100 / 51.23.1 - mathematics.hAdd av_rescale_q_rnd()2012-02-08 - f2b20b7 / 38d5533 - lavu 51.38.101 / 51.22.1 - pixdesc.hAdd PIX_FMT_PSEUDOPAL flag.2012-02-08 - f2b20b7 / 52f82a1 - lavc 54.2.100 / 54.1.0Add avcodec_encode_video2() and deprecate avcodec_encode_video().2012-02-01 - 4c677df / 316fc74 - lavc 54.1.0Add av_fast_padded_malloc() as alternative for av_realloc() when alignedmemory is required. The buffer will always have FF_INPUT_BUFFER_PADDING_SIZEzero-padded bytes at the end.2012-01-31 - a369a6b / dd6d3b0 - lavf 54.1.0Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().NOTE: this was backported to 0.82012-01-31 - a369a6b / af08d9a - lavc 54.1.0Add avcodec_is_open() function.NOTE: this was backported to 0.82012-01-30 - 151ecc2 / 8b93312 - lavu 51.36.100 / 51.22.0 - intfloat.hAdd a new installed header libavutil/intfloat.h with int/float punningfunctions.NOTE: this was backported to 0.82012-01-25 - lavf 53.31.100 / 53.22.03c5fe5b / f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possiblebuffered data within a muxer. Added AVFMT_ALLOW_FLUSH formuxers supporting it (av_write_frame makes sure it is calledonly for muxers with this flag).2012-01-15 - lavc 53.56.105 / 53.34.0New audio encoding API:67f5650 / b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audioencoders.67f5650 / 5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.67f5650 / b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().Add AVCodec.encode2().2012-01-12 - b18e17e / 3167dc9 - lavfi 2.59.100 / 2.15.0Add a new installed header -- libavfilter/version.h -- with version macros.-------- 8< --------- FFmpeg 0.9 was cut here -------- 8< ---------2011-12-08 - a502939 - lavfi 2.52.0Add av_buffersink_poll_frame() to buffersink.h.2011-12-08 - 26c6fec - lavu 51.31.0Add av_log_format_line.2011-12-03 - 976b095 - lavu 51.30.0Add AVERROR_BUG.2011-11-24 - 573ffbb - lavu 51.28.1Add av_get_alt_sample_fmt() to samplefmt.h.2011-11-03 - 96949da - lavu 51.23.0Add av_strcasecmp() and av_strncasecmp() to avstring.h.2011-10-20 - b35e9e1 - lavu 51.22.0Add av_strtok() to avstring.h.2012-01-03 - ad1c8dd / b73ec05 - lavu 51.34.100 / 51.21.0Add av_popcount642011-12-18 - 7c29313 / 8400b12 - lavc 53.46.1 / 53.28.1Deprecate AVFrame.age. The field is unused.2011-12-12 - 8bc7fe4 / 5266045 - lavf 53.25.0 / 53.17.0Add avformat_close_input().Deprecate av_close_input_file() and av_close_input_stream().2011-12-09 - c59b80c / b2890f5 - lavu 51.32.0 / 51.20.0 - audioconvert.hExpand the channel layout list.2011-12-02 - e4de716 / 0eea212 - lavc 53.40.0 / 53.25.0Add nb_samples and extended_data fields to AVFrame.Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.Deprecate avcodec_decode_audio3() in favor of avcodec_decode_audio4().avcodec_decode_audio4() writes output samples to an AVFrame, which allowsaudio decoders to use get_buffer().2011-12-04 - e4de716 / 560f773 - lavc 53.40.0 / 53.24.0Change AVFrame.data[4]/base[4]/linesize[4]/error[4] to [8] at next major bump.Change AVPicture.data[4]/linesize[4] to [8] at next major bump.Change AVCodecContext.error[4] to [8] at next major bump.Add AV_NUM_DATA_POINTERS to simplify the bump transition.2011-11-24 - lavu 51.29.0 / 51.19.092afb43 / bd97b2e - add planar RGB pixel formats92afb43 / 6b0768e - add PIX_FMT_PLANAR and PIX_FMT_RGB pixel descriptions2011-11-23 - 8e576d5 / bbb46f3 - lavu 51.27.0 / 51.18.0Add av_samples_get_buffer_size(), av_samples_fill_arrays(), andav_samples_alloc(), to samplefmt.h.2011-11-23 - 8e576d5 / 8889cc4 - lavu 51.27.0 / 51.17.0Add planar sample formats and av_sample_fmt_is_planar() to samplefmt.h.2011-11-19 - dbb38bc / f3a29b7 - lavc 53.36.0 / 53.21.0Move some AVCodecContext fields to a new private struct, AVCodecInternal,which is accessed from a new field, AVCodecContext.internal.- fields moved:AVCodecContext.internal_buffer       --> AVCodecInternal.bufferAVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_countAVCodecContext.is_copy               --> AVCodecInternal.is_copy2011-11-16 - 8709ba9 / 6270671 - lavu 51.26.0 / 51.16.0Add av_timegm()2011-11-13 - lavf 53.21.0 / 53.15.0New interrupt callback API, allowing per-AVFormatContext/AVIOContextinterrupt callbacks.5f268ca / 6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field toAVFormatContext.5f268ca / 1dee0ac Add avio_open2() with additional parameters. Those arean interrupt callback and an options AVDictionary.This will allow passing AVOptions to protocols after lavf54.0.2011-11-06 - 13b7781 / ba04ecf - lavu 51.24.0 / 51.14.0Add av_strcasecmp() and av_strncasecmp() to avstring.h.2011-11-06 - 13b7781 / 07b172f - lavu 51.24.0 / 51.13.0Add av_toupper()/av_tolower()2011-11-05 - d8cab5c / b6d08f4 - lavf 53.19.0 / 53.13.0Add avformat_network_init()/avformat_network_deinit()2011-10-27 - 6faf0a2 / 512557b - lavc 53.24.0 / 53.15.0Remove avcodec_parse_frame.Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.2011-10-19 - d049257 / 569129a - lavf 53.17.0 / 53.10.0Add avformat_new_stream(). Deprecate av_new_stream().2011-10-13 - 91eb1b1 / b631fba - lavf 53.16.0 / 53.9.0Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.2011-10-12 - lavu 51.21.0 / 51.12.0AVOptions API rewrite.- f884ef0 / 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*- new setting/getting functions with slightly different semantics:f884ef0 / dac66da av_set_string3 -> av_opt_setav_set_double  -> av_opt_set_doubleav_set_q       -> av_opt_set_qav_set_int     -> av_opt_set_intf884ef0 / 41d9d51 av_get_string  -> av_opt_getav_get_double  -> av_opt_get_doubleav_get_q       -> av_opt_get_qav_get_int     -> av_opt_get_int- f884ef0 / 8c5dcaa trivial rename av_next_option -> av_opt_next- f884ef0 / 641c7af new functions - av_opt_child_next, av_opt_child_class_nextand av_opt_find2()2011-09-22 - a70e787 - lavu 51.17.0Add av_x_if_null().2011-09-18 - 645cebb - lavc 53.16.0Add showall flag22011-09-16 - ea8de10 - lavfi 2.42.0Add avfilter_all_channel_layouts.2011-09-16 - 9899037 - lavfi 2.41.0Rename avfilter_all_* function names to avfilter_make_all_*.In particular, apply the renames:avfilter_all_formats         -> avfilter_make_all_formatsavfilter_all_channel_layouts -> avfilter_make_all_channel_layoutsavfilter_all_packing_formats -> avfilter_make_all_packing_formats2011-09-12 - 4381bdd - lavfi 2.40.0Change AVFilterBufferRefAudioProps.sample_rate type from uint32_t to int.2011-09-12 - 2c03174 - lavfi 2.40.0Simplify signature for avfilter_get_audio_buffer(), make itconsistent with avfilter_get_video_buffer().2011-09-06 - 4f7dfe1 - lavfi 2.39.0Rename libavfilter/vsink_buffer.h to libavfilter/buffersink.h.2011-09-06 - c4415f6 - lavfi 2.38.0Unify video and audio sink API.In particular, add av_buffersink_get_buffer_ref(), deprecateav_vsink_buffer_get_video_buffer_ref() and change the value for theopaque field passed to the abuffersink init function.2011-09-04 - 61e2e29 - lavu 51.16.0Add av_asprintf().2011-08-22 - dacd827 - lavf 53.10.0Add av_find_program_from_stream().2011-08-20 - 69e2c1a - lavu 51.13.0Add av_get_media_type_string().2011-09-03 - 1889c67 / fb4ca26 - lavc 53.13.0lavf 53.11.0lsws  2.1.0Add {avcodec,avformat,sws}_get_class().2011-08-03 - 1889c67 / c11fb82 - lavu 51.15.0Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.2011-08-14 - 323b930 - lavu 51.12.0Add av_fifo_peek2(), deprecate av_fifo_peek().2011-08-26 - lavu 51.14.0 / 51.9.0- 976a8b2 / add41de..976a8b2 / abc78a5 Do not include intfloat_readwrite.h,mathematics.h, rational.h, pixfmt.h, or log.h from avutil.h.2011-08-16 - 27fbe31 / 48f9e45 - lavf 53.11.0 / 53.8.0Add avformat_query_codec().2011-08-16 - 27fbe31 / bca06e7 - lavc 53.11.0Add avcodec_get_type().2011-08-06 - 0cb233c / 2f63440 - lavf 53.7.0Add error_recognition to AVFormatContext.2011-08-02 - 1d186e9 / 9d39cbf - lavc 53.9.1Add AV_PKT_FLAG_CORRUPT AVPacket flag.2011-07-16 - b57df29 - lavfi 2.27.0Add audio packing negotiation fields and helper functions.In particular, add AVFilterPacking enum, planar, in_packings andout_packings fields to AVFilterLink, and the functions:avfilter_set_common_packing_formats()avfilter_all_packing_formats()2011-07-10 - 3602ad7 / a67c061 - lavf 53.6.0Add avformat_find_stream_info(), deprecate av_find_stream_info().NOTE: this was backported to 0.72011-07-10 - 3602ad7 / 0b950fe - lavc 53.8.0Add avcodec_open2(), deprecate avcodec_open().NOTE: this was backported to 0.7Add avcodec_alloc_context3. Deprecate avcodec_alloc_context() andavcodec_alloc_context2().2011-07-01 - b442ca6 - lavf 53.5.0 - avformat.hAdd function av_get_output_timestamp().2011-06-28 - 5129336 - lavu 51.11.0 - avutil.hDefine the AV_PICTURE_TYPE_NONE value in AVPictureType enum.-------- 8< --------- FFmpeg 0.7 was cut here -------- 8< ----------------- 8< --------- FFmpeg 0.8 was cut here -------- 8< ---------2011-06-19 - fd2c0a5 - lavfi 2.23.0 - avfilter.hAdd layout negotiation fields and helper functions.In particular, add in_chlayouts and out_chlayouts to AVFilterLink,and the functions:avfilter_set_common_sample_formats()avfilter_set_common_channel_layouts()avfilter_all_channel_layouts()2011-06-19 - 527ca39 - lavfi 2.22.0 - AVFilterFormatsChange type of AVFilterFormats.formats from int * to int64_t *,and update formats handling API accordingly.avfilter_make_format_list() still takes a int32_t array and convertsit to int64_t. A new function, avfilter_make_format64_list(), thattakes int64_t arrays has been added.2011-06-19 - 44f669e - lavfi 2.21.0 - vsink_buffer.hAdd video sink buffer and vsink_buffer.h public header.2011-06-12 - 9fdf772 - lavfi 2.18.0 - avcodec.hAdd avfilter_get_video_buffer_ref_from_frame() function inlibavfilter/avcodec.h.2011-06-12 - c535494 - lavfi 2.17.0 - avfiltergraph.hAdd avfilter_inout_alloc() and avfilter_inout_free() functions.2011-06-12 - 6119b23 - lavfi 2.16.0 - avfilter_graph_parse()Change avfilter_graph_parse() signature.2011-06-23 - 686959e / 67e9ae1 - lavu 51.10.0 / 51.8.0 - attributes.hAdd av_printf_format().2011-06-16 - 2905e3f / 05e84c9, 2905e3f / 25de595 - lavf 53.4.0 / 53.2.0 - avformat.hAdd avformat_open_input and avformat_write_header().Deprecate av_open_input_stream, av_open_input_file,AVFormatParameters and av_write_header.2011-06-16 - 2905e3f / 7e83e1c, 2905e3f / dc59ec5 - lavu 51.9.0 / 51.7.0 - opt.hAdd av_opt_set_dict() and av_opt_find().Deprecate av_find_opt().Add AV_DICT_APPEND flag.2011-06-10 - 45fb647 / cb7c11c - lavu 51.6.0 - opt.hAdd av_opt_flag_is_set().2011-06-10 - c381960 - lavfi 2.15.0 - avfilter_get_audio_buffer_ref_from_arraysAdd avfilter_get_audio_buffer_ref_from_arrays() to avfilter.h.2011-06-09 - f9ecb84 / d9f80ea - lavu 51.8.0 - AVMetadataMove AVMetadata from lavf to lavu and rename it toAVDictionary -- new installed header dict.h.All av_metadata_* functions renamed to av_dict_*.2011-06-07 - d552f61 / a6703fa - lavu 51.8.0 - av_get_bytes_per_sample()Add av_get_bytes_per_sample() in libavutil/samplefmt.h.Deprecate av_get_bits_per_sample_fmt().2011-06-05 - f956924 / b39b062 - lavu 51.8.0 - opt.hAdd av_opt_free convenience function.2011-06-06 - 95a0242 - lavfi 2.14.0 - AVFilterBufferRefAudioPropsRemove AVFilterBufferRefAudioProps.size, and use nb_samples inavfilter_get_audio_buffer() and avfilter_default_get_audio_buffer() inplace of size.2011-06-06 - 0bc2cca - lavu 51.6.0 - av_samples_alloc()Switch nb_channels and nb_samples parameters order inav_samples_alloc().2011-06-06 - e1c7414 - lavu 51.5.0 - av_samples_*Change the data layout created by av_samples_fill_arrays() andav_samples_alloc().2011-06-06 - 27bcf55 - lavfi 2.13.0 - vsrc_buffer.hMake av_vsrc_buffer_add_video_buffer_ref() accepts an additionalflags parameter in input.2011-06-03 - e977ca2 - lavfi 2.12.0 - avfilter_link_free()Add avfilter_link_free() function.2011-06-02 - 5ad38d9 - lavu 51.4.0 - av_force_cpu_flags()Add av_cpu_flags() in libavutil/cpu.h.2011-05-28 - e71f260 - lavu 51.3.0 - pixdesc.hAdd av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecateavcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.2011-05-25 - 39e4206 / 30315a8 - lavf 53.3.0 - avformat.hAdd fps_probe_size to AVFormatContext.2011-05-22 - 5ecdfd0 - lavf 53.2.0 - avformat.hIntroduce avformat_alloc_output_context2() and deprecateavformat_alloc_output_context().2011-05-22 - 83db719 - lavfi 2.10.0 - vsrc_buffer.hMake libavfilter/vsrc_buffer.h public.2011-05-19 - c000a9f - lavfi 2.8.0 - avcodec.hAdd av_vsrc_buffer_add_frame() to libavfilter/avcodec.h.2011-05-14 - 9fdf772 - lavfi 2.6.0 - avcodec.hAdd avfilter_get_video_buffer_ref_from_frame() to libavfilter/avcodec.h.2011-05-18 - 75a37b5 / 64150ff - lavc 53.7.0 - AVCodecContext.request_sample_fmtAdd request_sample_fmt field to AVCodecContext.2011-05-10 - 59eb12f / 188dea1 - lavc 53.6.0 - avcodec.hDeprecate AVLPCType and the following fields inAVCodecContext: lpc_coeff_precision, prediction_order_method,min_partition_order, max_partition_order, lpc_type, lpc_passes.Corresponding FLAC encoder options should be used instead.2011-05-07 - 9fdf772 - lavfi 2.5.0 - avcodec.hAdd libavfilter/avcodec.h header and avfilter_copy_frame_props()function.2011-05-07 - 18ded93 - lavc 53.5.0 - AVFrameAdd format field to AVFrame.2011-05-07 - 22333a6 - lavc 53.4.0 - AVFrameAdd width and height fields to AVFrame.2011-05-01 - 35fe66a - lavfi 2.4.0 - avfilter.hRename AVFilterBufferRefVideoProps.pixel_aspect tosample_aspect_ratio.2011-05-01 - 77e9dee - lavc 53.3.0 - AVFrameAdd a sample_aspect_ratio field to AVFrame.2011-05-01 - 1ba5727 - lavc 53.2.0 - AVFrameAdd a pkt_pos field to AVFrame.2011-04-29 - 35ceaa7 - lavu 51.2.0 - mem.hAdd av_dynarray_add function for addingan element to a dynamic array.2011-04-26 - d7e5aeb / bebe72f - lavu 51.1.0 - avutil.hAdd AVPictureType enum and av_get_picture_type_char(), deprecateFF_*_TYPE defines and av_get_pict_type_char() defined inlibavcodec/avcodec.h.2011-04-26 - d7e5aeb / 10d3940 - lavfi 2.3.0 - avfilter.hAdd pict_type and key_frame fields to AVFilterBufferRefVideo.2011-04-26 - d7e5aeb / 7a11c82 - lavfi 2.2.0 - vsrc_bufferAdd sample_aspect_ratio fields to vsrc_buffer arguments2011-04-21 - 8772156 / 94f7451 - lavc 53.1.0 - avcodec.hAdd CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.2011-04-15 - lavc 52.120.0 - avcodec.hAVPacket structure got additional members for passing side information:c407984 / 4de339e introduce side information for AVPacketc407984 / 2d8591c make containers pass palette change in AVPacket2011-04-12 - lavf 52.107.0 - avio.hAvio cleanup, part II - deprecate the entire URLContext API:c55780d / 175389c add avio_check as a replacement for url_exist9891004 / ff1ec0c add avio_pause and avio_seek_time as replacementsfor _av_url_read_fseek/fpaused4d0932 / cdc6a87 deprecate av_protocol_next(), avio_enum_protocolsshould be used instead.c88caa5 / 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.c88caa5 / f87b1b3 rename open flags: URL_* -> AVIO_*d4d0932 / f8270bb add avio_enum_protocols.d4d0932 / 5593f03 deprecate URLProtocol.d4d0932 / c486dad deprecate URLContext.d4d0932 / 026e175 deprecate the typedef for URLInterruptCBc88caa5 / 8e76a19 deprecate av_register_protocol2.11d7841 / b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME11d7841 / 1305d93 deprecate av_url_read_seek11d7841 / fa104e1 deprecate av_url_read_pause434f248 / 727c7aa deprecate url_get_filename().434f248 / 5958df3 deprecate url_max_packet_size().434f248 / 1869ea0 deprecate url_get_file_handle().434f248 / 32a97d4 deprecate url_filesize().434f248 / e52a914 deprecate url_close().434f248 / 58a48c6 deprecate url_seek().434f248 / 925e908 deprecate url_write().434f248 / dce3756 deprecate url_read_complete().434f248 / bc371ac deprecate url_read().434f248 / 0589da0 deprecate url_open().434f248 / 62eaaea deprecate url_connect.434f248 / 5652bb9 deprecate url_alloc.434f248 / 333e894 deprecate url_open_protocol434f248 / e230705 deprecate url_poll and URLPollEntry2011-04-08 - lavf 52.106.0 - avformat.hMinor avformat.h cleanup:d4d0932 / a9bf9d8 deprecate av_guess_image2_codecd4d0932 / c3675df rename avf_sdp_create->av_sdp_create2011-04-03 - lavf 52.105.0 - avio.hLarge-scale renaming/deprecating of AVIOContext-related functions:2cae980 / 724f6a0 deprecate url_fdopen2cae980 / 403ee83 deprecate url_open_dyn_packet_buf2cae980 / 6dc7d80 rename url_close_dyn_buf       -> avio_close_dyn_buf2cae980 / b92c545 rename url_open_dyn_buf        -> avio_open_dyn_buf2cae980 / 8978fed introduce an AVIOContext.seekable field as a replacement forAVIOContext.is_streamed and url_is_streamed()1caa412 / b64030f deprecate get_checksum()1caa412 / 4c4427a deprecate init_checksum()2fd41c9 / 4ec153b deprecate udp_set_remote_url/get_local_port4fa0e24 / 933e90a deprecate av_url_read_fseek/fpause4fa0e24 / 8d9769a deprecate url_fileno0fecf26 / b7f2fdd rename put_flush_packet -> avio_flush0fecf26 / 35f1023 deprecate url_close_buf0fecf26 / 83fddae deprecate url_open_buf0fecf26 / d9d86e0 rename url_fprintf -> avio_printf0fecf26 / 59f65d9 deprecate url_setbufsize6947b0c / 3e68b3b deprecate url_ferrore8bb2e2 deprecate url_fget_max_packet_size76aa876 rename url_fsize -> avio_sizee519753 deprecate url_fgetc655e45e deprecate url_fgetsa2704c9 rename url_ftell -> avio_telle16ead0 deprecate get_strz() in favor of avio_get_str0300db8,2af07d3 rename url_fskip -> avio_skip6b4aa5d rename url_fseek -> avio_seek61840b4 deprecate put_tag22a3212 rename url_fopen/fclose -> avio_open/close.0ac8e2b deprecate put_nbyte77eb550 rename put_byte          -> avio_w8put_[b/l]e<type>  -> avio_w[b/l]<type>put_buffer        -> avio_writeb7effd4 rename get_byte          -> avio_r8,get_[b/l]e<type>  -> avio_r[b/l]<type>get_buffer        -> avio_readb3db9ce deprecate get_partial_buffer8d9ac96 rename av_alloc_put_byte -> avio_alloc_context2011-03-25 - 27ef7b1 / 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_typeAdd audio_service_type field to AVCodecContext.2011-03-17 - e309fdc - lavu 50.40.0 - pixfmt.hAdd PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats2011-03-02 - 863c471 - lavf  52.103.0 - av_pkt_dump2, av_pkt_dump_log2Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses thesource stream timebase for outputting timestamps. Deprecateav_pkt_dump and av_pkt_dump_log.2011-02-20 - e731b8d - lavf  52.102.0 - avio.h* e731b8d - rename init_put_byte() to ffio_init_context(), deprecating theoriginal, and move it to a private header so it is no longerpart of our public API. Instead, use av_alloc_put_byte().* ae628ec - rename ByteIOContext to AVIOContext.2011-02-16 - 09d171b - lavf  52.101.0 - avformat.hlavu  52.39.0  - parseutils.h* 610219a - Add av_ prefix to dump_format().* f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.* ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.2011-02-15 - lavu 52.38.0 - merge libavcorelibavcore is merged back completely into libavutil2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delayAdd vbv_delay field to AVCodecContext2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTSAdd AV_DISPOSITION_CLEAN_EFFECTS disposition flag.2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratioAdd sample_aspect_ratio field to AVFilterLink.2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.dispositionAdd AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.2011-02-09 - c0b102c - lavc 52.112.0 - avcodec_thread_init()Deprecate avcodec_thread_init()/avcodec_thread_free() use; insteadset thread_count before calling avcodec_open.2011-02-09 - 37b00b4 - lavc 52.111.0 - threading APIAdd CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/release_buffer()/draw_horiz_band() callbacks for appropriate codecs.Add thread_type and active_thread_type fields to AVCodecContext.2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_bufferAdd av_probe_input_buffer() to avformat.h for probing format from aByteIOContext.2011-02-06 - fe174fc - lavf 52.97.0 - avio.hAdd flag for non-blocking protocols: URL_FLAG_NONBLOCK2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()Add avformat_free_context() in avformat.h.2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORESAdd CODEC_ID_PRORES to avcodec.h.2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile definesAdd defines for H.264 * Constrained Baseline and Intra profiles2011-02-02 - lavf 52.95.0* 50196a9 - add a new installed header version.h.* 4efd5cf, dccbd97, 93b78d1 - add several variants of publicavio_{put,get}_str* functions.  Deprecate corresponding semi-public{put,get}_str*.2011-02-02 - dfd2a00 - lavu 50.37.0 - log.hMake av_dlog public.2011-01-31 - 7b3ea55 - lavfi 1.76.0 - vsrc_bufferAdd sample_aspect_ratio fields to vsrc_buffer arguments2011-01-31 - 910b5b8 - lavfi 1.75.0 - AVFilterLink sample_aspect_ratioAdd sample_aspect_ratio field to AVFilterLink.2011-01-15 - a242ac3 - lavfi 1.74.0 - AVFilterBufferRefAudioPropsRename AVFilterBufferRefAudioProps.samples_nb to nb_samples.2011-01-14 - 7f88a5b - lavf 52.93.0 - av_metadata_copy()Add av_metadata_copy() in avformat.h.2011-01-07 - 81c623f - lavc 52.107.0 - deprecate reordered_opaqueDeprecate reordered_opaque in favor of pkt_pts/dts.2011-01-07 - 1919fea - lavc 52.106.0 - pkt_dtsAdd pkt_dts to AVFrame, this will in the future allow multithreading decodersto not mess up dts.2011-01-07 - 393cbb9 - lavc 52.105.0 - pkt_ptsAdd pkt_pts to AVFrame.2011-01-07 - 060ec0a - lavc 52.104.0 - av_get_profile_name()Add av_get_profile_name to libavcodec/avcodec.h.2010-12-27 - 0ccabee - lavfi 1.71.0 - AV_PERM_NEG_LINESIZESAdd AV_PERM_NEG_LINESIZES in avfilter.h.2010-12-27 - 9128ae0 - lavf 52.91.0 - av_find_best_stream()Add av_find_best_stream to libavformat/avformat.h.2010-12-27 - 107a7e3 - lavf 52.90.0Add AVFMT_NOSTREAMS flag for formats with no streams,like e.g. text metadata.2010-12-22 - 0328b9e - lavu 50.36.0 - file.hAdd functions av_file_map() and av_file_unmap() in file.h.2010-12-19 - 0bc55f5 - lavu 50.35.0 - error.hAdd "not found" error codes:AVERROR_DEMUXER_NOT_FOUNDAVERROR_MUXER_NOT_FOUNDAVERROR_DECODER_NOT_FOUNDAVERROR_ENCODER_NOT_FOUNDAVERROR_PROTOCOL_NOT_FOUNDAVERROR_FILTER_NOT_FOUNDAVERROR_BSF_NOT_FOUNDAVERROR_STREAM_NOT_FOUND2010-12-09 - c61cdd0 - lavcore 0.16.0 - avcore.hMove AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols fromavcodec.h to avcore.h.2010-12-04 - 16cfc96 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZESAdd CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.2010-12-04 - bb4afa1 - lavu 50.34.0 - av_get_pix_fmt_string()Deprecate avcodec_pix_fmt_string() in favor ofpixdesc.h/av_get_pix_fmt_string().2010-12-04 - 4da12e3 - lavcore 0.15.0 - av_image_alloc()Add av_image_alloc() to libavcore/imgutils.h.2010-12-02 - 037be76 - lavfi 1.67.0 - avfilter_graph_create_filter()Add function avfilter_graph_create_filter() in avfiltergraph.h.2010-11-25 - 4723bc2 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()Add function avfilter_get_video_buffer_ref_from_arrays() inavfilter.h.2010-11-21 - 176a615 - lavcore 0.14.0 - audioconvert.hAdd a public audio channel API in audioconvert.h, and deprecate thecorresponding functions in libavcodec:avcodec_get_channel_name()avcodec_get_channel_layout()avcodec_get_channel_layout_string()avcodec_channel_layout_num_channels()and the CH_* macros defined in libavcodec/avcodec.h.2010-11-21 - 6bfc268 - lavf 52.85.0 - avformat.hAdd av_append_packet().2010-11-21 - a08d918 - lavc 52.97.0 - avcodec.hAdd av_grow_packet().2010-11-17 - 0985e1a - lavcore 0.13.0 - parseutils.hAdd av_parse_color() declared in libavcore/parseutils.h.2010-11-13 - cb2c971 - lavc 52.95.0 - AVCodecContextAdd AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_sizefields.2010-11-13 - 5aaea02 - lavfi 1.62.0 - avfiltergraph.hMake avfiltergraph.h public.2010-11-13 - 4fcbb2a - lavfi 1.61.0 - avfiltergraph.hRemove declarations from avfiltergraph.h for the functions:avfilter_graph_check_validity()avfilter_graph_config_links()avfilter_graph_config_formats()which are now internal.Use avfilter_graph_config() instead.2010-11-08 - d2af720 - lavu 50.33.0 - eval.hDeprecate functions:av_parse_and_eval_expr(),av_parse_expr(),av_eval_expr(),av_free_expr(),in favor of the functions:av_expr_parse_and_eval(),av_expr_parse(),av_expr_eval(),av_expr_free().2010-11-08 - 24de0ed - lavfi 1.59.0 - avfilter_free()Rename avfilter_destroy() to avfilter_free().This change breaks libavfilter API/ABI.2010-11-07 - 1e80a0e - lavfi 1.58.0 - avfiltergraph.hRemove graphparser.h header, move AVFilterInOut andavfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.2010-11-07 - 7313132 - lavfi 1.57.0 - AVFilterInOutRename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.This change breaks libavfilter API.2010-11-04 - 97dd1e4 - lavfi 1.56.0 - avfilter_graph_free()Rename avfilter_graph_destroy() to avfilter_graph_free().This change breaks libavfilter API/ABI.2010-11-04 - e15aeea - lavfi 1.55.0 - avfilter_graph_alloc()Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.2010-11-02 - 6f84cd1 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h anddeprecate av_get_bits_per_sample_format().2010-11-02 - d63e456 - lavcore 0.11.0 - samplefmt.hAdd sample format functions in libavcore/samplefmt.h:av_get_sample_fmt_name(),av_get_sample_fmt(),av_get_sample_fmt_string(),and deprecate the corresponding libavcodec/audioconvert.h functions:avcodec_get_sample_fmt_name(),avcodec_get_sample_fmt(),avcodec_sample_fmt_string().2010-11-02 - 262d1c5 - lavcore 0.10.0 - samplefmt.hDefine enum AVSampleFormat in libavcore/samplefmt.h, deprecate enumSampleFormat.2010-10-16 - 2a24df9 - lavfi 1.52.0 - avfilter_graph_config()Add the function avfilter_graph_config() in avfiltergraph.h.2010-10-15 - 03700d3 - lavf 52.83.0 - metadata APIChange demuxers to export metadata in generic format andmuxers to accept generic format. Deprecate the publicconversion API.2010-10-10 - 867ae7a - lavfi 1.49.0 - AVFilterLink.time_baseAdd time_base field to AVFilterLink.2010-09-27 - c85eef4 - lavu 50.31.0 - av_set_options_string()Move av_set_options_string() from libavfilter/parseutils.h tolibavutil/opt.h.2010-09-27 - acc0490 - lavfi 1.47.0 - AVFilterLinkMake the AVFilterLink fields srcpad and dstpad store the pointers tothe source and destination pads, rather than their indexes.2010-09-27 - 372e288 - lavu 50.30.0 - av_get_token()Move av_get_token() from libavfilter/parseutils.h tolibavutil/avstring.h.2010-09-26 - 635d4ae - lsws 0.12.0 - swscale.hAdd the functions sws_alloc_context() and sws_init_context().2010-09-26 - 6ed0404 - lavu 50.29.0 - opt.hMove libavcodec/opt.h to libavutil/opt.h.2010-09-24 - 1c1c80f - lavu 50.28.0 - av_log_set_flags()Default of av_log() changed due to many problems to the old no repeatdetection. Read the docs of AV_LOG_SKIP_REPEATED in log.h beforeenabling it for your app!.2010-09-24 - f66eb58 - lavc 52.90.0 - av_opt_show2()Deprecate av_opt_show() in favor or av_opt_show2().2010-09-14 - bc6f0af - lavu 50.27.0 - av_popcount()Add av_popcount() to libavutil/common.h.2010-09-08 - c6c98d0 - lavu 50.26.0 - av_get_cpu_flags()Add av_get_cpu_flags().2010-09-07 - 34017fd - lavcore 0.9.0 - av_image_copy()Add av_image_copy().2010-09-07 - 9686abb - lavcore 0.8.0 - av_image_copy_plane()Add av_image_copy_plane().2010-09-07 - 9b7269e - lavcore 0.7.0 - imgutils.hAdopt hierarchical scheme for the imgutils.h function names,deprecate the old names.2010-09-04 - 7160bb7 - lavu 50.25.0 - AV_CPU_FLAG_*Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favorof the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.2010-08-26 - 5da19b5 - lavc 52.87.0 - avcodec_get_channel_layout()Add avcodec_get_channel_layout() in audioconvert.h.2010-08-20 - e344336 - lavcore 0.6.0 - av_fill_image_max_pixsteps()Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().2010-08-18 - a6ddf8b - lavcore 0.5.0 - av_fill_image_max_pixstep()Add av_fill_image_max_pixstep() in imgutils.h.2010-08-17 - 4f2d2e4 - lavu 50.24.0 - AV_NE()Add the AV_NE macro.2010-08-17 - ad2c950 - lavfi 1.36.0 - audio frameworkImplement AVFilterBufferRefAudioProps struct for audio properties,get_audio_buffer(), filter_samples() functions and related changes.2010-08-12 - 81c1eca - lavcore 0.4.0 - av_get_image_linesize()Add av_get_image_linesize() in imgutils.h.2010-08-11 - c1db7bf - lavfi 1.34.0 - AVFilterBufferRefResize data and linesize arrays in AVFilterBufferRef to 8.This change breaks libavfilter API/ABI.2010-08-11 - 9f08d80 - lavc 52.85.0 - av_picture_data_copy()Add av_picture_data_copy in avcodec.h.2010-08-11 - 84c0386 - lavfi 1.33.0 - avfilter_open()Change avfilter_open() signature:AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);This change breaks libavfilter API/ABI.2010-08-11 - cc80caf - lavfi 1.32.0 - AVFilterBufferRefAdd a type field to AVFilterBufferRef, and move video specificproperties to AVFilterBufferRefVideoProps.This change breaks libavfilter API/ABI.2010-08-07 - 5d4890d - lavfi 1.31.0 - AVFilterLinkRename AVFilterLink fields:AVFilterLink.srcpic    ->  AVFilterLink.src_bufAVFilterLink.cur_pic   ->  AVFilterLink.cur_bufAVFilterLink.outpic    ->  AVFilterLink.out_buf2010-08-07 - 7fce481 - lavfi 1.30.0Rename functions and fields:avfilter_(un)ref_pic       -> avfilter_(un)ref_bufferavfilter_copy_picref_props -> avfilter_copy_buffer_ref_propsAVFilterBufferRef.pic      -> AVFilterBufferRef.buffer2010-08-07 - ecc8dad - lavfi 1.29.0 - AVFilterBufferRefRename AVFilterPicRef to AVFilterBufferRef.2010-08-07 - d54e094 - lavfi 1.28.0 - AVFilterBufferMove format field from AVFilterBuffer to AVFilterPicRef.2010-08-06 - bf176f5 - lavcore 0.3.0 - av_check_image_size()Deprecate avcodec_check_dimensions() in favor of the functionav_check_image_size() defined in libavcore/imgutils.h.2010-07-30 - 56b5e9d - lavfi 1.27.0 - AVFilterBufferIncrease size of the arrays AVFilterBuffer.data andAVFilterBuffer.linesize from 4 to 8.This change breaks libavfilter ABI.2010-07-29 - e7bd48a - lavcore 0.2.0 - imgutils.hAdd functions av_fill_image_linesizes() andav_fill_image_pointers(), declared in libavcore/imgutils.h.2010-07-27 - 126b638 - lavcore 0.1.0 - parseutils.hDeprecate av_parse_video_frame_size() and av_parse_video_frame_rate()defined in libavcodec in favor of the newly added functionsav_parse_video_size() and av_parse_video_rate() declared inlibavcore/parseutils.h.2010-07-23 - 4485247 - lavu 50.23.0 - mathematics.hAdd the M_PHI constant definition.2010-07-22 - bdab614 - lavfi 1.26.0 - media format generalizationAdd a type field to AVFilterLink.Change the field types:enum PixelFormat format   -> int format   in AVFilterBufferenum PixelFormat *formats -> int *formats in AVFilterFormatsenum PixelFormat *format  -> int format   in AVFilterLinkChange the function signatures:AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->AVFilterFormats *avfilter_make_format_list(const int *fmts);int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->int avfilter_add_format    (AVFilterFormats **avff, int fmt);AVFilterFormats *avfilter_all_colorspaces(void); ->AVFilterFormats *avfilter_all_formats    (enum AVMediaType type);This change breaks libavfilter API/ABI.2010-07-21 - aac6ca6 - lavcore 0.0.0Add libavcore.2010-07-17 - b5c582f - lavfi 1.25.0 - AVFilterBufferRemove w and h fields from AVFilterBuffer.2010-07-17 - f0d77b2 - lavfi 1.24.0 - AVFilterBufferRename AVFilterPic to AVFilterBuffer.2010-07-17 - 57fe80f - lavf 52.74.0 - url_fskip()Make url_fskip() return an int error code instead of void.2010-07-11 - 23940f1 - lavc 52.83.0Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.Add AVLPCType enum.Deprecate AVCodecContext.use_lpc.2010-07-11 - e1d7c88 - lavc 52.82.0 - avsubtitle_free()Add a function for free the contents of a AVSubtitle generated byavcodec_decode_subtitle.2010-07-11 - b91d08f - lavu 50.22.0 - bswap.h and intreadwrite.hMake the bswap.h and intreadwrite.h API public.2010-07-08 - ce1cd1c - lavu 50.21.0 - pixdesc.hRename read/write_line() to av_read/write_image_line().2010-07-07 - 4d508e4 - lavfi 1.21.0 - avfilter_copy_picref_props()Add avfilter_copy_picref_props().2010-07-03 - 2d525ef - lavc 52.79.0Add FF_COMPLIANCE_UNOFFICIAL and change all instances ofFF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.2010-07-02 - 89eec74 - lavu 50.20.0 - lfg.hExport av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() throughlfg.h.2010-06-28 - a52e2c3 - lavfi 1.20.1 - av_parse_color()Extend av_parse_color() syntax, make it accept an alpha value specifier andset the alpha value to 255 by default.2010-06-22 - 735cf6b - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_classAdd priv_data_size and priv_data_class to URLProtocol.2010-06-22 - ffbb289 - lavf 52.70.0 - url_alloc(), url_connect()Add url_alloc() and url_connect().2010-06-22 - 9b07a2d - lavf 52.69.0 - av_register_protocol2()Add av_register_protocol2(), deprecating av_register_protocol().2010-06-09 - 65db058 - lavu 50.19.0 - av_compare_mod()Add av_compare_mod() to libavutil/mathematics.h.2010-06-05 - 0b99215 - lavu 50.18.0 - eval APIMake the eval API public.2010-06-04 - 31878fc - lavu 50.17.0 - AV_BASE64_SIZEAdd AV_BASE64_SIZE() macro.2010-06-02 - 7e566bb - lavc 52.73.0 - av_get_codec_tag_string()Add av_get_codec_tag_string().-------- 8< --------- FFmpeg 0.6 was cut here -------- 8< ---------2010-06-01 - 2b99142 - lsws 0.11.0 - convertPalette APIAdd sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().2010-05-26 - 93ebfee - lavc 52.72.0 - CODEC_CAP_EXPERIMENTALAdd CODEC_CAP_EXPERIMENTAL flag.NOTE: this was backported to 0.62010-05-23 - 9977863 - lavu 50.16.0 - av_get_random_seed()Add av_get_random_seed().2010-05-18 - 796ac23 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINTAdd AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.NOTE: this was backported to 0.62010-05-09 - b6bc205 - lavfi 1.20.0 - AVFilterPicRefAdd interlaced and top_field_first fields to AVFilterPicRef.2010-05-01 - 8e2ee18 - lavf 52.62.0 - probe functionAdd av_probe_input_format2 to API, it allows ignoring proberesults below given score and returns the actual probe score.2010-04-01 - 3dd6180 - lavf 52.61.0 - metadata APIAdd a flag for av_metadata_set2() to disable overwriting ofexisting tags.2010-04-01 - 0fb49b5 - lavc 52.66.0Add avcodec_get_edge_width().2010-03-31 - d103218 - lavc 52.65.0Add avcodec_copy_context().2010-03-31 - 1a70d12 - lavf 52.60.0 - av_match_ext()Make av_match_ext() public.2010-03-31 - 1149150 - lavu 50.14.0 - AVMediaTypeMove AVMediaType enum from libavcodec to libavutil.2010-03-31 - 72415b2 - lavc 52.64.0 - AVMediaTypeDefine AVMediaType enum, and use it instead of enum CodecType, whichis deprecated and will be dropped at the next major bump.2010-03-25 - 8795823 - lavu 50.13.0 - av_strerror()Implement av_strerror().2010-03-23 - e1484eb - lavc 52.60.0 - av_dct_init()Support DCT-I and DST-I.2010-03-15 - b8819c8 - lavf 52.56.0 - AVFormatContext.start_time_realtimeAdd AVFormatContext.start_time_realtime field.2010-03-13 - 5bb5c1d - lavfi 1.18.0 - AVFilterPicRef.posAdd AVFilterPicRef.pos field.2010-03-13 - 60c144f - lavu 50.12.0 - error.hMove error code definitions from libavcodec/avcodec.h tothe new public header libavutil/error.h.2010-03-07 - c709483 - lavc 52.56.0 - avfft.hAdd public FFT interface.2010-03-06 - ac6ef86 - lavu 50.11.0 - av_stristr()Add av_stristr().2010-03-03 - 4b83fc0 - lavu 50.10.0 - av_tree_enumerate()Add av_tree_enumerate().2010-02-07 - b687c1a - lavu 50.9.0 - av_compare_ts()Add av_compare_ts().2010-02-05 - 3f3dc76 - lsws 0.10.0 - sws_getCoefficients()Add sws_getCoefficients().2010-02-01 - ca76a11 - lavf 52.50.0 - metadata APIAdd a list of generic tag names, change 'author' -> 'artist','year' -> 'date'.2010-01-30 - 80a07f6 - lavu 50.8.0 - av_get_pix_fmt()Add av_get_pix_fmt().2010-01-21 - 01cc47d - lsws 0.9.0 - sws_scale()Change constness attributes of sws_scale() parameters.2010-01-10 - 3fb8e77 - lavfi 1.15.0 - avfilter_graph_config_links()Add a log_ctx parameter to avfilter_graph_config_links().2010-01-07 - 8e9767f - lsws 0.8.0 - sws_isSupported{In,Out}put()Add sws_isSupportedInput() and sws_isSupportedOutput() functions.2010-01-06 - c1d662f - lavfi 1.14.0 - avfilter_add_colorspace()Change the avfilter_add_colorspace() signature, make it accept an(AVFilterFormats **) rather than an (AVFilterFormats *) as before.2010-01-03 - 4fd1f18 - lavfi 1.13.0 - avfilter_add_colorspace()Add avfilter_add_colorspace().2010-01-02 - 8eb631f - lavf 52.46.0 - av_match_ext()Add av_match_ext(), it should be used in place of match_ext().2010-01-01 - a1f547b - lavf 52.45.0 - av_guess_format()Add av_guess_format(), it should be used in place of guess_format().2009-12-13 - a181981 - lavf 52.43.0 - metadata APIAdd av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY andAV_METADATA_DONT_STRDUP_VAL.2009-12-13 - 277c733 - lavu 50.7.0 - avstring.h APIAdd av_d2str().2009-12-13 - 02b398e - lavc 52.42.0 - AVStreamAdd avg_frame_rate.2009-12-12 - 3ba69a1 - lavu 50.6.0 - av_bmg_next()Introduce the av_bmg_next() function.2009-12-05 - a13a543 - lavfi 1.12.0 - avfilter_draw_slice()Add a slice_dir parameter to avfilter_draw_slice().2009-11-26 - 4cc3f6a - lavfi 1.11.0 - AVFilterRemove the next field from AVFilter, this is not anymore required.2009-11-25 - 1433c4a - lavfi 1.10.0 - avfilter_next()Introduce the avfilter_next() function.2009-11-25 - 86a60fa - lavfi 1.9.0 - avfilter_register()Change the signature of avfilter_register() to make it return anint. This is required since now the registration operation may fail.2009-11-25 - 74a0059 - lavu 50.5.0 - pixdesc.h APIMake the pixdesc.h API public.2009-10-27 - 243110f - lavfi 1.5.0 - AVFilter.nextAdd a next field to AVFilter, this is used for simplifying theregistration and management of the registered filters.2009-10-23 - cccd292 - lavfi 1.4.1 - AVFilter.descriptionAdd a description field to AVFilter.2009-10-19 - 6b5dc05 - lavfi 1.3.0 - avfilter_make_format_list()Change the interface of avfilter_make_format_list() fromavfilter_make_format_list(int n, ...) toavfilter_make_format_list(enum PixelFormat *pix_fmts).2009-10-18 - 0eb4ff9 - lavfi 1.0.0 - avfilter_get_video_buffer()Make avfilter_get_video_buffer() recursive and add the w and hparameters to it.2009-10-07 - 46c40e4 - lavfi 0.5.1 - AVFilterPicAdd w and h fields to AVFilterPic.2009-06-22 - 92400be - lavf 52.34.1 - AVFormatContext.packet_sizeThis is now an unsigned int instead of a signed int.2009-06-19 - a4276ba - lavc 52.32.0 - AVSubtitle.ptsAdd a pts field to AVSubtitle which gives the subtitle packet ptsin AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) willnot work right without this.2009-06-03 - 8f3f2e0 - lavc 52.30.2 - AV_PKT_FLAG_KEYPKT_FLAG_KEY has been deprecated and will be dropped at the nextmajor version. Use AV_PKT_FLAG_KEY instead.2009-06-01 - f988ce6 - lavc 52.30.0 - av_lockmgr_register()av_lockmgr_register() can be used to register a callback functionthat lavc (and in the future, libraries that depend on lavc) can useto implement mutexes. The application should provide a callback functionthat implements the AV_LOCK_* operations described in avcodec.h.When the lock manager is registered, FFmpeg is guaranteed to behavecorrectly in a multi-threaded application.2009-04-30 - ce1d9c8 - lavc 52.28.0 - av_free_packet()av_free_packet() is no longer an inline function. It is now exported.2009-04-11 - 80d403f - lavc 52.25.0 - deprecate av_destruct_packet_nofree()Please use NULL instead. This has been supported since r16506(lavf > 52.23.1, lavc > 52.10.0).2009-04-07 - 7a00bba - lavc 52.23.0 - avcodec_decode_video/audio/subtitleThe old decoding functions are deprecated, all new code should use thenew functions avcodec_decode_video2(), avcodec_decode_audio3() andavcodec_decode_subtitle2(). These new functions take an AVPacket *pktargument instead of a const uint8_t *buf / int buf_size pair.2009-04-03 - 7b09db3 - lavu 50.3.0 - av_fifo_space()Introduce the av_fifo_space() function.2009-04-02 - fabd246 - lavc 52.23.0 - AVPacketMove AVPacket declaration from libavformat/avformat.h tolibavcodec/avcodec.h.2009-03-22 - 6e08ca9 - lavu 50.2.0 - RGB32 pixel formatsConvert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 andPIX_FMT_BGR32_1 are now macros.avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.Re-sort the enum PixelFormat list accordingly.This change breaks API/ABI backward compatibility.2009-03-22 - f82674e - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variantsAdd the enum PixelFormat values:PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.2009-03-21 - ee6624e - lavu 50.0.0  - av_random*The Mersenne Twister PRNG implemented through the av_random* functionswas removed. Use the lagged Fibonacci PRNG through the av_lfg* functionsinstead.2009-03-08 - 41dd680 - lavu 50.0.0  - AVFifoBufferav_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were droppedand replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_writeand av_fifo_realloc2.In addition, the order of the function arguments of av_fifo_generic_readwas changed to match av_fifo_generic_write.The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way byapplications, they may not use sizeof() or directly access members.2009-03-01 - ec26457 - lavf 52.31.0 - Generic metadata APIIntroduce a new metadata API (see av_metadata_get() and friends).The old API is now deprecated and should not be used anymore. This especiallyincludes the following structure fields:- AVFormatContext.title- AVFormatContext.author- AVFormatContext.copyright- AVFormatContext.comment- AVFormatContext.album- AVFormatContext.year- AVFormatContext.track- AVFormatContext.genre- AVStream.language- AVStream.filename- AVProgram.provider_name- AVProgram.name- AVChapter.title

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