Entries are sorted chronologically from oldest to youngest within each release,
releases are sorted from youngest to oldest.
-version 10:
-- av_strnstr
-- support ID3v2 tags in ASF files
+version <next>
+
+- HNM version 4 demuxer and video decoder
+- Live HDS muxer
+- setsar/setdar filters now support variables in ratio expressions
+- elbg filter
+- string validation in ffprobe
+- support for decoding through VDPAU in ffmpeg (the -hwaccel option)
+- complete Voxware MetaSound decoder
+- remove mp3_header_compress bitstream filters
+- Windows resource files for shared libraries
+- aeval filter
++- stereoscopic 3d metadata handling
+
+
+version 2.1:
+
+- aecho filter
+- perspective filter ported from libmpcodecs
+- ffprobe -show_programs option
+- compand filter
+- RTMP seek support
+- when transcoding with ffmpeg (i.e. not streamcopying), -ss is now accurate
+ even when used as an input option. Previous behavior can be restored with
+ the -noaccurate_seek option.
+- ffmpeg -t option can now be used for inputs, to limit the duration of
+ data read from an input file
+- incomplete Voxware MetaSound decoder
+- read EXIF metadata from JPEG
+- DVB teletext decoder
+- phase filter ported from libmpcodecs
+- w3fdif filter
+- Opus support in Matroska
+- FFV1 version 1.3 is stable and no longer experimental
+- FFV1: YUVA(444,422,420) 9, 10 and 16 bit support
+- changed DTS stream id in lavf mpeg ps muxer from 0x8a to 0x88, to be
+ more consistent with other muxers.
+- adelay filter
+- pullup filter ported from libmpcodecs
+- ffprobe -read_intervals option
+- Lossless and alpha support for WebP decoder
+- Error Resilient AAC syntax (ER AAC LC) decoding
+- Low Delay AAC (ER AAC LD) decoding
+- mux chapters in ASF files
+- SFTP protocol (via libssh)
+- libx264: add ability to encode in YUVJ422P and YUVJ444P
+- Fraps: use BT.709 colorspace by default for yuv, as reference fraps decoder does
+- make decoding alpha optional for prores, ffv1 and vp6 by setting
+ the skip_alpha flag.
+- ladspa wrapper filter
+- native VP9 decoder
+- dpx parser
+- max_error_rate parameter in ffmpeg
+- PulseAudio output device
+- ReplayGain scanner
+- Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
+- Linux framebuffer output device
+- HEVC decoder
+- raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
+- mergeplanes filter
+
+
+version 2.0:
+
+- curves filter
- reference-counting for AVFrame and AVPacket data
-- avconv now fails when input options are used for output file
+- ffmpeg now fails when input options are used for output file
or vice versa
-- new avconv options -filter_script and -filter_complex_script, which allow a
+- support for Monkey's Audio versions from 3.93
+- perms and aperms filters
+- audio filtering support in ffplay
+- 10% faster aac encoding on x86 and MIPS
+- sine audio filter source
+- WebP demuxing and decoding support
+- new ffmpeg options -filter_script and -filter_complex_script, which allow a
filtergraph description to be read from a file
+- OpenCL support
+- audio phaser filter
+- separatefields filter
+- libquvi demuxer
- uniform options syntax across all filters
+- telecine filter
- new interlace filter
-- JPEG 2000 decoder
-- new asetpts filter (same as setpts, but for audio)
-- new trim and atrim filters
-- avconv -t and -ss (output-only) options are now sample-accurate when
+- smptehdbars source
+- inverse telecine filters (fieldmatch and decimate)
+- colorbalance filter
+- colorchannelmixer filter
+- The matroska demuxer can now output proper verbatim ASS packets. It will
+ become the default at the next libavformat major bump.
+- decent native animated GIF encoding
+- asetrate filter
+- interleave filter
+- timeline editing with filters
+- vidstabdetect and vidstabtransform filters for video stabilization using
+ the vid.stab library
+- astats filter
+- trim and atrim filters
+- ffmpeg -t and -ss (output-only) options are now sample-accurate when
transcoding audio
- Matroska muxer can now put the index at the beginning of the file.
-- avconv -deinterlace option removed, the yadif filter should be used instead
+- extractplanes filter
+- avectorscope filter
+- ADPCM DTK decoder
+- ADP demuxer
+- RSD demuxer
+- RedSpark demuxer
+- ADPCM IMA Radical decoder
+- zmq filters
+- DCT denoiser filter (dctdnoiz)
+- Wavelet denoiser filter ported from libmpcodecs as owdenoise (formerly "ow")
- Apple Intermediate Codec decoder
- Escape 130 video decoder
+- FTP protocol support
+- V4L2 output device
+- 3D LUT filter (lut3d)
+- SMPTE 302M audio encoder
- support for slice multithreading in libavfilter
+- Hald CLUT support (generation and filtering)
- VC-1 interlaced B-frame support
- support for WavPack muxing (raw and in Matroska)
+- XVideo output device
+- vignette filter
+- True Audio (TTA) encoder
- Go2Webinar decoder
+- mcdeint filter ported from libmpcodecs
+- sab filter ported from libmpcodecs
+- ffprobe -show_chapters option
- WavPack encoding through libwavpack
-- Added the -n parameter to avconv
-- RTMP seek support
-- when transcoding with avconv (i.e. not streamcopying), -ss is now accurate
- even when used as an input option. Previous behavior can be restored with
- the -noaccurate_seek option.
-- avconv -t option can now be used for inputs, to limit the duration of
- data read from an input file
-- Voxware MetaSound decoder
-- WebP decoder
-- Error Resilient AAC syntax (ER AAC LC) decoding
-- Low Delay AAC (ER AAC LD) decoding
-- mux chapters in ASF files
-- Opus in Ogg demuxing
-- Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
-- F4V muxer
-- HNM version 4 demuxer and video decoder
-- HEVC decoder
-- raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
-- remove avplay -vismv option, which has not worked for a long time
-- Live HDS muxer
-- setsar/setdar filters now support variables in ratio expressions
-- dar variable in the scale filter now returns the actual DAR (i.e. a * sar)
-- VP9 decoder
-- support for decoding through VDPAU in avconv (the -hwaccel option)
-- remove mp3_header_(de)compress bitstream filters
-- stereoscopic 3d metadata handling
+- rotate filter
+- spp filter ported from libmpcodecs
+- libgme support
+- psnr filter
-version 9:
-- av_basename and av_dirname
-- adobe and limelight publisher authentication in RTMP
+version 1.2:
+
- VDPAU hardware acceleration through normal hwaccel
- SRTP support
+- Error diffusion dither in Swscale
+- Chained Ogg support
+- Theora Midstream reconfiguration support
+- EVRC decoder
+- audio fade filter
+- filtering audio with unknown channel layout
+- allpass, bass, bandpass, bandreject, biquad, equalizer, highpass, lowpass
+ and treble audio filter
+- improved showspectrum filter, with multichannel support and sox-like colors
+- histogram filter
+- tee muxer
+- il filter ported from libmpcodecs
+- support ID3v2 tags in ASF files
+- encrypted TTA stream decoding support
+- RF64 support in WAV muxer
+- noise filter ported from libmpcodecs
+- Subtitles character encoding conversion
+- blend filter
+- stereo3d filter ported from libmpcodecs
+
+version 1.1:
-version 9_beta3:
-- ashowinfo audio filter
+- stream disposition information printing in ffprobe
+- filter for loudness analysis following EBU R128
+- Opus encoder using libopus
+- ffprobe -select_streams option
+- Pinnacle TARGA CineWave YUV16 decoder
+- TAK demuxer, decoder and parser
+- DTS-HD demuxer
+- remove -same_quant, it hasn't worked for years
+- FFM2 support
+- X-Face image encoder and decoder
- 24-bit FLAC encoding
-- audio volume filter
-- deprecated the avconv -vol option. the volume filter is to be used instead.
- multi-channel ALAC encoding up to 7.1
-- TAK demuxer, parser, and decoder
-- adaptive frame-level multithreading for H.264
-
-
-version 9_beta2:
- metadata (INFO tag) support in WAV muxer
+- subtitles raw text decoder
- support for building DLLs using MSVC
-- remove avserver daemon mode
+- LVF demuxer
+- ffescape tool
+- metadata (info chunk) support in CAF muxer
+- field filter ported from libmpcodecs
+- AVR demuxer
+- geq filter ported from libmpcodecs
+- remove ffserver daemon mode
+- AST muxer/demuxer
+- new expansion syntax for drawtext
+- BRender PIX image decoder
+- ffprobe -show_entries option
+- ffprobe -sections option
+- ADPCM IMA Dialogic decoder
+- BRSTM demuxer
+- animated GIF decoder and demuxer
+- PVF demuxer
+- subtitles filter
+- IRCAM muxer/demuxer
+- Paris Audio File demuxer
+- Virtual concatenation demuxer
+- VobSub demuxer
+- JSON captions for TED talks decoding support
+- SOX Resampler support in libswresample
+- aselect filter
+- SGI RLE 8-bit decoder
+- Silicon Graphics Motion Video Compressor 1 & 2 decoder
+- Silicon Graphics Movie demuxer
+- apad filter
+- Resolution & pixel format change support with multithreading for H.264
+- documentation split into per-component manuals
+- pp (postproc) filter ported from MPlayer
+- NIST Sphere demuxer
+- MPL2, VPlayer, MPlayer, AQTitle, PJS and SubViewer v1 subtitles demuxers and decoders
+- Sony Wave64 muxer
+- adobe and limelight publisher authentication in RTMP
+- data: URI scheme
- support building on the Plan 9 operating system
-- ffv1: support version 1.3
+- kerndeint filter ported from MPlayer
+- histeq filter ported from VirtualDub
+- Megalux Frame demuxer
+- 012v decoder
+- Improved AVC Intra decoding support
-version 9_beta1:
+version 1.0:
-- XWD encoder and decoder
-- Support for fragmentation in the mov/mp4 muxer
-- ISMV (Smooth Streaming) muxer
-- CDXL demuxer and decoder
-- Apple ProRes encoder
-- Sun Rasterfile Encoder
-- remove libpostproc
-- ID3v2 attached pictures reading and writing
-- WMA Lossless decoder
-- XBM encoder
-- RealAudio Lossless decoder
-- ZeroCodec decoder
-- drop support for avconv without libavfilter
-- add libavresample audio conversion library
-- audio filters support in libavfilter and avconv
-- add fps filter
-- audio split filter
-- audio mix filter
-- avprobe output is now standard INI or JSON. The old format can still
- be used with -of old.
+- INI and flat output in ffprobe
+- Scene detection in libavfilter
- Indeo Audio decoder
- channelsplit audio filter
+- setnsamples audio filter
+- atempo filter
+- ffprobe -show_data option
- RTMPT protocol support
- iLBC encoding/decoding via libilbc
- Microsoft Screen 1 decoder
--- /dev/null
- * This file is part of Libav.
+ /*
+ * Copyright (c) 2013 Vittorio Giovara <vittorio.giovara@gmail.com>
+ *
- * Libav is free software; you can redistribute it and/or
++ * This file is part of FFmpeg.
+ *
- * Libav is distributed in the hope that it will be useful,
++ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
- * License along with Libav; if not, write to the Free Software
++ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
++ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+ #include <stdint.h>
+
+ #include "frame.h"
+
+ /**
+ * List of possible 3D Types
+ */
+ enum AVStereo3DType {
+ /**
+ * Video is not stereoscopic (and metadata has to be there).
+ */
+ AV_STEREO3D_2D,
+
+ /**
+ * Views are next to each other.
+ *
+ * LLLLRRRR
+ * LLLLRRRR
+ * LLLLRRRR
+ * ...
+ */
+ AV_STEREO3D_SIDEBYSIDE,
+
+ /**
+ * Views are on top of each other.
+ *
+ * LLLLLLLL
+ * LLLLLLLL
+ * RRRRRRRR
+ * RRRRRRRR
+ */
+ AV_STEREO3D_TOPBOTTOM,
+
+ /**
+ * Views are alternated temporally.
+ *
+ * frame0 frame1 frame2 ...
+ * LLLLLLLL RRRRRRRR LLLLLLLL
+ * LLLLLLLL RRRRRRRR LLLLLLLL
+ * LLLLLLLL RRRRRRRR LLLLLLLL
+ * ... ... ...
+ */
+ AV_STEREO3D_FRAMESEQUENCE,
+
+ /**
+ * Views are packed in a checkerboard-like structure per pixel.
+ *
+ * LRLRLRLR
+ * RLRLRLRL
+ * LRLRLRLR
+ * ...
+ */
+ AV_STEREO3D_CHECKERBOARD,
+
+ /**
+ * Views are next to each other, but when upscaling
+ * apply a checkerboard pattern.
+ *
+ * LLLLRRRR L L L L R R R R
+ * LLLLRRRR => L L L L R R R R
+ * LLLLRRRR L L L L R R R R
+ * LLLLRRRR L L L L R R R R
+ */
+ AV_STEREO3D_SIDEBYSIDE_QUINCUNX,
+
+ /**
+ * Views are packed per line, as if interlaced.
+ *
+ * LLLLLLLL
+ * RRRRRRRR
+ * LLLLLLLL
+ * ...
+ */
+ AV_STEREO3D_LINES,
+
+ /**
+ * Views are packed per column.
+ *
+ * LRLRLRLR
+ * LRLRLRLR
+ * LRLRLRLR
+ * ...
+ */
+ AV_STEREO3D_COLUMNS,
+ };
+
+
+ /**
+ * Inverted views, Right/Bottom represents the left view.
+ */
+ #define AV_STEREO3D_FLAG_INVERT (1 << 0)
+
+ /**
+ * Stereo 3D type: this structure describes how two videos are packed
+ * within a single video surface, with additional information as needed.
+ *
+ * @note The struct must be allocated with av_stereo3d_alloc() and
+ * its size is not a part of the public ABI.
+ */
+ typedef struct AVStereo3D {
+ /**
+ * How views are packed within the video.
+ */
+ enum AVStereo3DType type;
+
+ /**
+ * Additional information about the frame packing.
+ */
+ int flags;
+ } AVStereo3D;
+
+ /**
+ * Allocate an AVStereo3D structure and set its fields to default values.
+ * The resulting struct can be freed using av_freep().
+ *
+ * @return An AVStereo3D filled with default values or NULL on failure.
+ */
+ AVStereo3D *av_stereo3d_alloc(void);
+
+ /**
+ * Allocate a complete AVFrameSideData and add it to the frame.
+ *
+ * @param The frame on which the side data is added to.
+ *
+ * @return The AVStereo3D structure to be filled by caller.
+ */
+ AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame);
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