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Older
Diego Biurrun
committed
Never assume the API of libav* to be stable unless at least 1 month has passed
since the last major version increase.
The last version increases were:
libavcodec: 2015-08-28
libavdevice: 2015-08-28
libavfilter: 2015-08-28
libavformat: 2015-08-28
libavresample: 2015-08-28
libswscale: 2015-08-28
libavutil: 2015-08-28
API changes, most recent first:
2016-xx-xx - xxxxxxx - lavu 55.22.0 - pixfmt.h
Add AV_PIX_FMT_YUV(420,422,444)P12.
2016-xx-xx - xxxxxxx - lavc 59.27.0 - avcodec.h
Add FF_PROFILE_HEVC_REXT, the extended pixel format profile for HEVC.
2016-08-24 - xxxxxxx - lavu 55.21.0 - imgutils.h
Add av_image_copy_uc_from(), a version of av_image_copy() for copying
from GPU mapped memory.
2016-xx-xx - xxxxxxx - lavc 59.26.0 - vaapi.h
Deprecate struct vaapi_context and the vaapi.h installed header.
Callers should set AVCodecContext.hw_frames_ctx instead.
2016-07-20 - xxxxxxx - lavu 55.20.0 - cpu.h
Add AV_CPU_FLAG_SSSE3SLOW.
2016-07-02 - 4926fa9 - lavu 55.19.0 - hwcontext_vaapi.h
Add driver quirks field to VAAPI-specific hwdevice and enum with
members AV_VAAPI_DRIVER_QUIRK_* to represent its values.
2016-07-02 - b7c5f88 - lavu 55.18.0 - pixfmt.h
2016-06-21 - 32c8359 - lavc 57.24.0 - avcodec.h
Decoders now export the frame timestamp as AVFrame.pts. It was
previously exported as AVFrame.pkt_pts, which is now deprecated.
2016-06-21 - 59e7361 - lavu 55.16.0 - hwcontext.h hwcontext_qsv.h
Add AV_HWDEVICE_TYPE_QSV and a new installed header with QSV-specific
hwcontext definitions.
2016-06-21 - e85f6f7 - lavc 57.23.0 - avcodec.h
AVCodecContext.hw_frames_ctx now may be used by decoders.
2016-06-12 - 90f469a - lavc 57.20.0 - avcodec.h
Add FF_PROFILE_H264_MULTIVIEW_HIGH and FF_PROFILE_H264_STEREO_HIGH.
2016-05-26 - 1c9e861 - lavu 55.13.0 - hwcontext.h
Add av_hwdevice_ctx_create().
2016-05-24 - ad61da05 - lavc 57.19.1 - avcodec.h
Adjust values for JPEG 2000 profiles.
2016-05-18 - db7968b - lavf 57.7.0 - avio.h
Add AVIODataMarkerType, write_data_type, ignore_boundary_point and
avio_write_marker.
2016-05-17 - 0c4468d - lavu 55.12.0 - opt.h
Add av_stereo3d_type_name() and av_stereo3d_from_name().
2016-05-17 - c46db38 - lavu 55.11.0 - hwcontext_dxva2.h
Add new installed header with DXVA2-specific hwcontext definitions.
2016-03-24 - 564b459 - lavu 55.10.0 - opt.h
2016-03-23 - 05f6670 - lavc 57.16.0 - avcodec.h
Add a new audio/video encoding and decoding API with decoupled input
and output -- avcodec_send_packet(), avcodec_receive_frame(),
avcodec_send_frame() and avcodec_receive_packet().
2016-03-20 - 33d1898 - lavc 57.15.0 - avcodec.h
Add a new bitstream filtering API working with AVPackets.
Deprecate the old bitstream filtering API.
2016-03-19 - 07a844f - lavfi 6.3.0 - avfilter.h
Add AVFilterContext.hw_device_ctx.
2016-03-19 - 551c677 - lavu 55.9.0 - hwcontext_vaapi.h
Add new installed header with VAAPI-specific hwcontext definitions.
2016-03-19 - d264c72 - lavu 55.8.0 - pixfmt.h
Deprecate all AV_PIX_FMT_VAAPI_* formats.
Replaced by AV_PIX_FMT_VAAPI.
2016-03-19 - b1f01e8 - lavu 55.7.0 - hwcontext.h
Add AVHWFramesConstraints and associated API.
2016-02-23 - 9200514 - lavf 57.5.0 - avformat.h
Add AVStream.codecpar, deprecate AVStream.codec.
2016-02-23 - lavc 57.14.0 - avcodec.h
998e1b8 - Add AVCodecParameters and its related API.
a806834 - Add av_get_audio_frame_duration2().
2016-02-22 - ec4c483 - lavf 57.4.0 - avformat.h
Add AVFormatContext.protocol_whitelist and protocol_blacklist.
Add 'protocol_whitelist' and 'protocol_blacklist' private options for
avio_open2().
2016-02-14 - 7b3214d0 - lavc 57.13.0 - avcodec.h
Add AVCodecContext.hw_frames_ctx.
2016-02-14 - lavfi 6.2.0 - avfilter.h
b3dd30d avfilter.h - Add AVFilterLink.hw_frames_ctx.
buffersrc.h - Add AVBufferSrcParameters and functions for handling it.
2016-02-14 - lavu 55.6.0
721a4ef buffer.h - Add av_buffer_pool_init2().
89923e4 hwcontext.h - Add a new installed header hwcontext.h with a new API
for handling hwaccel frames.
ad884d1 hwcontext_cuda.h - Add a new installed header hwcontext_cuda.h with
CUDA-specific hwcontext definitions.
a001ce3 hwcontext_vdpau.h - Add a new installed header hwcontext_vdpau.h with
VDPAU-specific hwcontext definitions.
7bc780c pixfmt.h - Add AV_PIX_FMT_CUDA.
2016-01-24 - 9f61abc - lavf 57.3.0 - avformat.h
Add AVFormatContext.opaque, io_open and io_close, allowing custom IO
for muxers and demuxers that open additional files.
2015-12-12 - 2c68113 - lavc 57.12.0 - avcodec.h
Add AVCodecDescriptor.profiles and avcodec_profile_name().
2015-12-06 - lavc 57.11.0 - avcodec.h dirac.h
31c51f7 - Add av_packet_add_side_data().
84adab3 - Add AVCodecContext.coded_side_data.
f0b769c - Add AVCPBProperties API.
e02de9d - Add a new public header dirac.h containing
av_dirac_parse_sequence_header()
2015-11-20 - 462a54e - lavc 57.9.1 - avcodec.h
Deprecate rtp_callback without replacement, i.e. it won't be possible to
get image slices before the full frame is encoded any more. The libavformat
rtpenc muxer can still be used for RFC-2190 packetization.
2015-11-18 - 79ae1e6 - lavc 57.9.0 - avcodec.h
Add AV_PKT_DATA_FALLBACK_TRACK for making fallback associations between
streams.
2015-11-18 - 7f4ec43 - lavf 57.1.0 - avformat.h
Add av_stream_new_side_data().
2015-11-13 - 92d107a - lavu 55.3.0 - xtea.h
Add av_xtea_le_init and av_xtea_le_crypt
2015-11-09 - 48ff668 - lavfi 6.1.0 - avfilter.h
Add a frame_rate field to AVFilterLink
2015-10-26 - lavc 57.7.0 - avcodec.h
ce70f28 - Deprecate av_free_packet(). Use av_packet_unref() as replacement,
it resets the packet in a more consistent way.
9b56d5c - Deprecate av_dup_packet(), it is a no-op for most cases.
Use av_packet_ref() to make a non-refcounted AVPacket refcounted.
a9a6010 - Add av_packet_alloc(), av_packet_clone(), av_packet_free().
They match the AVFrame functions with the same name.
2015-10-21 - a17a766 - lavc 57.5.0 - avcodec.h
Add data and linesize array to AVSubtitleRect, to be used instead of
the ones from the embedded AVPicture.
2015-10-16 - dc923bc - lavc 57.0.0 - qsv.h
Add an API for allocating opaque surfaces.
2015-10-12 - 11c5f43 - lavu 55.2.0 - dict.h
Change return type of av_dict_copy() from void to int, so that a proper
error code can be reported.
2015-09-29 - 948f3c1 - lavc 57.0.0 - avcodec.h
Change type of AVPacket.duration from int to int64_t.
2015-09-18 - e3d4784 - lavc 57.2.0 - d3d11va.h
Add av_d3d11va_alloc_context(). This function must from now on be used for
allocating AVD3D11VAContext.
2015-09-07 - lavu 55.0.0
b8b5d82 - Change type of AVPixFmtDescriptor.flags from uint8_t to uint64_t.
6b3ef7f - Change type of AVComponentDescriptor fields from uint16_t to int
and drop bit packing.
2268db2 - Add step, offset, and depth to AVComponentDescriptor to replace
the deprecated step_minus1, offset_plus1, and depth_minus1.
2015-07-31 - lavu 54.17.0
7a7df34 - Add av_blowfish_alloc().
ae36545 - Add av_rc4_alloc().
5d8bea3 - Add av_xtea_alloc().
d9e8b47 - Add av_des_alloc().
2015-07-29 - 7e38340 - lavu 54.16.0 - hmac.h
Add AV_HMAC_SHA224 and AV_HMAC_SHA256.
2015-07-27 - lavc 56.35.0 - avcodec.h
7c6eb0a - Rename CODEC_FLAG* defines to AV_CODEC_FLAG*.
def9785 - Rename CODEC_CAP_* defines to AV_CODEC_CAP_*.
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