Changelog 42.4 KB
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version <next>

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- HNM version 4 demuxer and video decoder
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- Live HDS muxer
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- setsar/setdar filters now support variables in ratio expressions
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- elbg filter
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- string validation in ffprobe
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- support for decoding through VDPAU in ffmpeg (the -hwaccel option)
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- complete Voxware MetaSound decoder
Timothy Gu's avatar
Timothy Gu committed
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- remove mp3_header_compress bitstream filter
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- Windows resource files for shared libraries
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- aeval filter
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- stereoscopic 3d metadata handling
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- WebP encoding via libwebp
Maxim Poliakovski's avatar
Maxim Poliakovski committed
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- ATRAC3+ decoder
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- VP8 in Ogg demuxing
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- side & metadata support in NUT
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- framepack filter
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- XYZ12 rawvideo support in NUT
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- Exif metadata support in WebP decoder
Lukasz Marek's avatar
Lukasz Marek committed
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- OpenGL device
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- Use metadata_header_padding to control padding in ID3 tags (currently used in
  MP3, AIFF, and OMA files), FLAC header, and the AVI "junk" block.
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- Mirillis FIC video decoder
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- Support DNx444
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Derek Buitenhuis committed
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- libx265 encoder
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- dejudder filter
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version 2.1:

Paul B Mahol's avatar
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- aecho filter
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- perspective filter ported from libmpcodecs
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- ffprobe -show_programs option
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- compand filter
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- RTMP seek support
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- 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.
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- ffmpeg -t option can now be used for inputs, to limit the duration of
  data read from an input file
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- incomplete Voxware MetaSound decoder
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- read EXIF metadata from JPEG
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- DVB teletext decoder
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- phase filter ported from libmpcodecs
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- w3fdif filter
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- Opus support in Matroska
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- FFV1 version 1.3 is stable and no longer experimental
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- 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.
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- adelay filter
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- pullup filter ported from libmpcodecs
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- ffprobe -read_intervals option
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- Lossless and alpha support for WebP decoder
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- Error Resilient AAC syntax (ER AAC LC) decoding
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- Low Delay AAC (ER AAC LD) decoding
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- mux chapters in ASF files
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- SFTP protocol (via libssh)
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- libx264: add ability to encode in YUVJ422P and YUVJ444P
- Fraps: use BT.709 colorspace by default for yuv, as reference fraps decoder does
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- make decoding alpha optional for prores, ffv1 and vp6 by setting
  the skip_alpha flag.
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- ladspa wrapper filter
Ronald S. Bultje's avatar
Ronald S. Bultje committed
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- native VP9 decoder
Paul B Mahol's avatar
Paul B Mahol committed
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- dpx parser
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- max_error_rate parameter in ffmpeg
Lukasz Marek's avatar
Lukasz Marek committed
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- PulseAudio output device
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- ReplayGain scanner
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- Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
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- Linux framebuffer output device
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- HEVC decoder
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- raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
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- mergeplanes filter
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version 2.0:

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- curves filter
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- reference-counting for AVFrame and AVPacket data
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- ffmpeg now fails when input options are used for output file
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  or vice versa
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- support for Monkey's Audio versions from 3.93
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- perms and aperms filters
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- audio filtering support in ffplay
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- 10% faster aac encoding on x86 and MIPS
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- sine audio filter source
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- WebP demuxing and decoding support
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- ffmpeg options -filter_script and -filter_complex_script, which allow a
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  filtergraph description to be read from a file
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- OpenCL support
Paul B Mahol's avatar
Paul B Mahol committed
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- audio phaser filter
Paul B Mahol's avatar
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- separatefields filter
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- libquvi demuxer
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- uniform options syntax across all filters
Paul B Mahol's avatar
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- telecine filter
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- interlace filter
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- smptehdbars source
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- inverse telecine filters (fieldmatch and decimate)
Paul B Mahol's avatar
Paul B Mahol committed
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- colorbalance filter
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- colorchannelmixer filter
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- The matroska demuxer can now output proper verbatim ASS packets. It will
  become the default at the next libavformat major bump.
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- decent native animated GIF encoding
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- asetrate filter
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- interleave filter
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- timeline editing with filters
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- vidstabdetect and vidstabtransform filters for video stabilization using
  the vid.stab library
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Paul B Mahol committed
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- astats filter
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- trim and atrim filters
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- ffmpeg -t and -ss (output-only) options are now sample-accurate when
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  transcoding audio
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- Matroska muxer can now put the index at the beginning of the file.
Paul B Mahol's avatar
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- extractplanes filter
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- avectorscope filter
James Almer's avatar
James Almer committed
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- ADPCM DTK decoder
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James Almer committed
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- ADP demuxer
James Almer's avatar
James Almer committed
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- RSD demuxer
James Almer's avatar
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- RedSpark demuxer
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- ADPCM IMA Radical decoder
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- zmq filters
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- DCT denoiser filter (dctdnoiz)
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- Wavelet denoiser filter ported from libmpcodecs as owdenoise (formerly "ow")
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- Apple Intermediate Codec decoder
Eli Friedman's avatar
Eli Friedman committed
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- Escape 130 video decoder
Lukasz Marek's avatar
Lukasz Marek committed
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- FTP protocol support
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- V4L2 output device
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- 3D LUT filter (lut3d)
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- SMPTE 302M audio encoder
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- support for slice multithreading in libavfilter
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- Hald CLUT support (generation and filtering)
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- VC-1 interlaced B-frame support
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- support for WavPack muxing (raw and in Matroska)
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- XVideo output device
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- vignette filter
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- True Audio (TTA) encoder
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- Go2Webinar decoder
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- mcdeint filter ported from libmpcodecs
- sab filter ported from libmpcodecs
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- ffprobe -show_chapters option
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- WavPack encoding through libwavpack
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- rotate filter
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Clément Bœsch committed
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- spp filter ported from libmpcodecs
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- libgme support
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- psnr filter
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version 1.2:
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- VDPAU hardware acceleration through normal hwaccel
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- SRTP support
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- Error diffusion dither in Swscale
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- Chained Ogg support
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- Theora Midstream reconfiguration support
Paul B Mahol's avatar
Paul B Mahol committed
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- EVRC decoder
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- audio fade filter
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- filtering audio with unknown channel layout
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- allpass, bass, bandpass, bandreject, biquad, equalizer, highpass, lowpass
  and treble audio filter
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- improved showspectrum filter, with multichannel support and sox-like colors
Paul B Mahol's avatar
Paul B Mahol committed
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- histogram filter
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- tee muxer
Paul B Mahol's avatar
Paul B Mahol committed
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- il filter ported from libmpcodecs
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- support ID3v2 tags in ASF files
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- encrypted TTA stream decoding support
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- RF64 support in WAV muxer
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- noise filter ported from libmpcodecs
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- Subtitles character encoding conversion
Paul B Mahol's avatar
Paul B Mahol committed
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- blend filter
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- stereo3d filter ported from libmpcodecs
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version 1.1:

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- stream disposition information printing in ffprobe
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- filter for loudness analysis following EBU R128
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- Opus encoder using libopus
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- ffprobe -select_streams option
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- Pinnacle TARGA CineWave YUV16 decoder
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- TAK demuxer, decoder and parser
Paul B Mahol's avatar
Paul B Mahol committed
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- DTS-HD demuxer
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- remove -same_quant, it hasn't worked for years
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- FFM2 support
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- X-Face image encoder and decoder
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- 24-bit FLAC encoding
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- multi-channel ALAC encoding up to 7.1
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- metadata (INFO tag) support in WAV muxer
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- subtitles raw text decoder
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- support for building DLLs using MSVC
Paul B Mahol's avatar
Paul B Mahol committed
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- LVF demuxer
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- ffescape tool
Paul B Mahol's avatar
Paul B Mahol committed
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- metadata (info chunk) support in CAF muxer
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- field filter ported from libmpcodecs
Paul B Mahol's avatar
Paul B Mahol committed
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- AVR demuxer
Clément Bœsch's avatar
Clément Bœsch committed
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- geq filter ported from libmpcodecs
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- remove ffserver daemon mode
James Almer's avatar
James Almer committed
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- AST muxer/demuxer
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- new expansion syntax for drawtext
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- BRender PIX image decoder
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- ffprobe -show_entries option
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- ffprobe -sections option
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- ADPCM IMA Dialogic decoder
Paul B Mahol's avatar
Paul B Mahol committed
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- BRSTM demuxer
Paul B Mahol's avatar
Paul B Mahol committed
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- animated GIF decoder and demuxer
Paul B Mahol's avatar
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- PVF demuxer
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- subtitles filter
Paul B Mahol's avatar
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- IRCAM muxer/demuxer
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- Paris Audio File demuxer
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- Virtual concatenation demuxer
Clément Bœsch's avatar
Clément Bœsch committed
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- VobSub demuxer
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- JSON captions for TED talks decoding support
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- SOX Resampler support in libswresample
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- aselect filter
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Peter Ross committed
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- SGI RLE 8-bit decoder
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- Silicon Graphics Motion Video Compressor 1 & 2 decoder
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- Silicon Graphics Movie demuxer
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- apad filter
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- Resolution & pixel format change support with multithreading for H.264
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- documentation split into per-component manuals
Clément Bœsch's avatar
Clément Bœsch committed
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- pp (postproc) filter ported from MPlayer
Paul B Mahol's avatar
Paul B Mahol committed
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- NIST Sphere demuxer
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- MPL2, VPlayer, MPlayer, AQTitle, PJS and SubViewer v1 subtitles demuxers and decoders
Paul B Mahol's avatar
Paul B Mahol committed
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- Sony Wave64 muxer
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- adobe and limelight publisher authentication in RTMP
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- data: URI scheme
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- support building on the Plan 9 operating system
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- kerndeint filter ported from MPlayer
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- histeq filter ported from VirtualDub
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- Megalux Frame demuxer
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- 012v decoder
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- Improved AVC Intra decoding support
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version 1.0:
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- INI and flat output in ffprobe
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- Scene detection in libavfilter
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- Indeo Audio decoder
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- channelsplit audio filter
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- setnsamples audio filter
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- atempo filter
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- ffprobe -show_data option
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- RTMPT protocol support
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- iLBC encoding/decoding via libilbc
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- Microsoft Screen 1 decoder
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- join audio filter
- audio channel mapping filter
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- Microsoft ATC Screen decoder
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- RTSP listen mode
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- TechSmith Screen Codec 2 decoder
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- AAC encoding via libfdk-aac
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- Microsoft Expression Encoder Screen decoder
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Samuel Pitoiset committed
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- RTMPS protocol support
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- RTMPTS protocol support
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- RTMPE protocol support
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- RTMPTE protocol support
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- showwaves and showspectrum filter
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- LucasArts SMUSH playback support
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- SAMI, RealText and SubViewer demuxers and decoders
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- Heart Of Darkness PAF playback support
- iec61883 device
- asettb filter
- new option: -progress
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- 3GPP Timed Text encoder/decoder
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- GeoTIFF decoder support
- ffmpeg -(no)stdin option
- Opus decoder using libopus
- caca output device using libcaca
- alphaextract and alphamerge filters
- concat filter
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- flite filter
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- Canopus Lossless Codec decoder
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- bitmap subtitles in filters (experimental and temporary)
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- MP2 encoding via TwoLAME
Paul B Mahol's avatar
Paul B Mahol committed
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- bmp parser
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- smptebars source
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- asetpts filter
Jérémy Tran's avatar
Jérémy Tran committed
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- hue filter
Michael Bradshaw's avatar
Michael Bradshaw committed
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- ICO muxer
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- SubRip encoder and decoder without embedded timing
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- edge detection filter
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- framestep filter
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- ffmpeg -shortest option is now per-output file
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  -pass and -passlogfile are now per-output stream
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- volume measurement filter
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- Ut Video encoder
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Alberto Delmás committed
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- Microsoft Screen 2 decoder
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- smartblur filter ported from MPlayer
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- CPiA decoder
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- decimate filter ported from MPlayer
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- RTP depacketization of JPEG
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- Smooth Streaming live segmenter muxer
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- F4V muxer
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- sendcmd and asendcmd filters
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- WebVTT demuxer and decoder (simple tags supported)
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- RTP packetization of JPEG
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- faststart option in the MOV/MP4 muxer
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- support for building with MSVC
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version 0.11:
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- Fixes: CVE-2012-2772, CVE-2012-2774, CVE-2012-2775, CVE-2012-2776, CVE-2012-2777,
         CVE-2012-2779, CVE-2012-2782, CVE-2012-2783, CVE-2012-2784, CVE-2012-2785,
         CVE-2012-2786, CVE-2012-2787, CVE-2012-2788, CVE-2012-2789, CVE-2012-2790,
         CVE-2012-2791, CVE-2012-2792, CVE-2012-2793, CVE-2012-2794, CVE-2012-2795,
         CVE-2012-2796, CVE-2012-2797, CVE-2012-2798, CVE-2012-2799, CVE-2012-2800,
         CVE-2012-2801, CVE-2012-2802, CVE-2012-2803, CVE-2012-2804,
Paul B Mahol's avatar
Paul B Mahol committed
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- v408 Quicktime and Microsoft AYUV Uncompressed 4:4:4:4 encoder and decoder
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- setfield filter
Paul B Mahol's avatar
Paul B Mahol committed
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- CDXL demuxer and decoder
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- Apple ProRes encoder
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- ffprobe -count_packets and -count_frames options
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- Sun Rasterfile Encoder
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- ID3v2 attached pictures reading and writing
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- WMA Lossless decoder
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- bluray protocol
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- blackdetect filter
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- libutvideo encoder wrapper (--enable-libutvideo)
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- swapuv filter
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- bbox filter
Paul B Mahol's avatar
Paul B Mahol committed
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- XBM encoder and decoder
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- RealAudio Lossless decoder
Derek Buitenhuis's avatar
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- ZeroCodec decoder
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- tile video filter
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- Metal Gear Solid: The Twin Snakes demuxer
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- OpenEXR image decoder
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- removelogo filter
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- drop support for ffmpeg without libavfilter
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- drawtext video filter: fontconfig support
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- ffmpeg -benchmark_all option
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- super2xsai filter ported from libmpcodecs
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- add libavresample audio conversion library for compatibility
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- MicroDVD decoder
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- Avid Meridien (AVUI) encoder and decoder
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- accept + prefix to -pix_fmt option to disable automatic conversions.
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- complete audio filtering in libavfilter and ffmpeg
Anton Khirnov's avatar
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- add fps filter
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- vorbis parser
- png parser
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- audio mix filter
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- ffv1: support (draft) version 1.3
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version 0.10:
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- Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,
         CVE-2011-3937, CVE-2011-3940, CVE-2011-3941, CVE-2011-3944,
         CVE-2011-3945, CVE-2011-3946, CVE-2011-3947, CVE-2011-3949,
         CVE-2011-3950, CVE-2011-3951, CVE-2011-3952
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- v410 Quicktime Uncompressed 4:4:4 10-bit encoder and decoder
- SBaGen (SBG) binaural beats script demuxer
- OpenMG Audio muxer
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- Timecode extraction in DV and MOV
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- thumbnail video filter
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- XML output in ffprobe
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- asplit audio filter
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- tinterlace video filter
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- astreamsync audio filter
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- amerge audio filter
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- ISMV (Smooth Streaming) muxer
Justin Ruggles's avatar
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- GSM audio parser
Paul B Mahol's avatar
Paul B Mahol committed
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- SMJPEG muxer
Paul B Mahol's avatar
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- XWD encoder and decoder
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- Automatic thread count based on detection number of (available) CPU cores
Paul B Mahol's avatar
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- y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder
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- ffprobe -show_error option
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- Avid 1:1 10-bit RGB Packer codec
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- v308 Quicktime Uncompressed 4:4:4 encoder and decoder
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- yuv4 libquicktime packed 4:2:0 encoder and decoder
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- ffprobe -show_frames option
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- silencedetect audio filter
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- ffprobe -show_program_version, -show_library_versions, -show_versions options
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- rv34: frame-level multi-threading
- optimized iMDCT transform on x86 using SSE for for mpegaudiodec
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- Improved PGS subtitle decoder
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- dumpgraph option to lavfi device
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- r210 and r10k encoders
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- ffwavesynth decoder
- aviocat tool
- ffeval tool
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version 0.9:
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- openal input device added
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- boxblur filter added
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- BWF muxer
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- Flash Screen Video 2 decoder
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- lavfi input device added
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- added avconv, which is almost the same for now, except
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for a few incompatible changes in the options, which will hopefully make them
easier to use. The changes are:
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    * The options placement is now strictly enforced! While in theory the
      options for ffmpeg should be given in [input options] -i INPUT [output
      options] OUTPUT order, in practice it was possible to give output options
      before the -i and it mostly worked. Except when it didn't - the behavior was
      a bit inconsistent. In avconv, it is not possible to mix input and output
      options. All non-global options are reset after an input or output filename.
    * All per-file options are now truly per-file - they apply only to the next
      input or output file and specifying different values for different files
      will now work properly (notably -ss and -t options).
    * All per-stream options are now truly per-stream - it is possible to
      specify which stream(s) should a given option apply to. See the Stream
      specifiers section in the avconv manual for details.
    * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
      sense that they're specified after the output filename instead of before,
      like all other options. In avconv this irregularity is removed, all options
      apply to the next input or output file.
    * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
      irregular and highly confusing, they were also redundant. In avconv the -map
      option will create new streams in the output file and map input streams to
      them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
      each stream in the first input file.
    * The -map option now has slightly different and more powerful syntax:
        + Colons (':') are used to separate file index/stream type/stream index
          instead of dots. Comma (',') is used to separate the sync stream instead
          of colon.. This is done for consistency with other options.
        + It's possible to specify stream type. E.g. -map 0:a:2 creates an
          output stream from the third input audio stream.
        + Omitting the stream index now maps all the streams of the given type,
          not just the first. E.g. -map 0:s creates output streams for all the
          subtitle streams in the first input file.
        + Since -map can now match multiple streams, negative mappings were
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          introduced. Negative mappings disable some streams from an already
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          defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
          all the stream in the first input file, except for the second audio
          stream'.
    * There is a new option -c (or -codec) for choosing the decoder/encoder to
      use, which allows to precisely specify target stream(s) consistently with
      other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
      libvorbis sets the codec for the first audio stream and -c copy copies all
      the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
      aliases to -c:v/a/s
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    * It is now possible to precisely specify which stream should an AVOption
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      apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
      -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
      syntax is deprecated and will stop working soon.
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    * -map_chapters now takes only an input file index and applies to the next
      output file. This is consistent with how all the other options work.
    * -map_metadata now takes only an input metadata specifier and applies to
      the next output file. Output metadata specifier is now part of the option
      name, similarly to the AVOptions/map/codec feature above.
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    * -metadata can now be used to set metadata on streams and chapters, e.g.
      -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
      This made -vlang/-alang/-slang options redundant, so they were removed.
    * -qscale option now uses stream specifiers and applies to all streams, not
      just video. I.e. plain -qscale number would now apply to all streams. To get
      the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
      and -aq is now an alias for -q:a.
    * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
      uses stream specifiers. Use -bsf:v/a/s instead of the old options.
    * -itsscale option now uses stream specifiers, so its argument is only the
      scale parameter.
    * -intra option was removed, use -g 0 for the same effect.
    * -psnr option was removed, use -flags +psnr for the same effect.
    * -vf option is now an alias to the new -filter option, which uses stream specifiers.
    * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
    * -vtag/-atag/-stag options are now aliases to the new -tag option.
Sven Hesse's avatar
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464
- XMV demuxer
Carl Eugen Hoyos's avatar
Carl Eugen Hoyos committed
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- LOAS demuxer
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- ashowinfo filter added
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- Windows Media Image decoder
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- amovie source added
Janne Grunau's avatar
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- LATM muxer/demuxer
Compn's avatar
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- Speex encoder via libspeex
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- JSON output in ffprobe
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- WTV muxer
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- Optional C++ Support (needed for libstagefright)
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- H.264 Decoding on Android via Stagefright
Elvis Presley's avatar
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475
- Prores decoder
Peter Ross's avatar
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- BIN/XBIN/ADF/IDF text file decoder
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- aconvert audio filter added
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- audio support to lavfi input device added
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- libcdio-paranoia input device for audio CD grabbing
Maxim Poliakovski's avatar
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- Apple ProRes decoder
481
- CELT in Ogg demuxing
482
- G.723.1 demuxer and decoder
483
- libmodplug support (--enable-libmodplug)
484
- VC-1 interlaced decoding
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Compn committed
485
- libutvideo wrapper (--enable-libutvideo)
486
- aevalsrc audio source added
Kostya Shishkov's avatar
Kostya Shishkov committed
487
- Ut Video decoder
488
- Speex encoding via libspeex
489
- 4:2:2 H.264 decoding support
490
- 4:2:2 and 4:4:4 H.264 encoding with libx264
Luca Barbato's avatar
Luca Barbato committed
491
- Pulseaudio input device
492
- Prores encoder
493
- Video Decoder Acceleration (VDA) HWAccel module.
494
- replacement Indeo 3 decoder
495
- new ffmpeg option: -map_channel
496
- volume audio filter added
497
- earwax audio filter added
498
- libv4l2 support (--enable-libv4l2)
499
- TLS/SSL and HTTPS protocol support
500 501 502 503 504
- AVOptions API rewritten and documented
- most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
  AVCodecContext deprecated. Codec private options should be used instead.
- Properly working defaults in libx264 wrapper, support for native presets.
- Encrypted OMA files support
505
- Discworld II BMV decoding support
Derek Buitenhuis's avatar
Derek Buitenhuis committed
506
- VBLE Decoder
507
- OS X Video Decoder Acceleration (VDA) support
508
- compact and csv output in ffprobe
509
- pan audio filter
510
- IFF Amiga Continuous Bitmap (ACBM) decoder
511
- ass filter
Justin Ruggles's avatar
Justin Ruggles committed
512
- CRI ADX audio format muxer and demuxer
513
- Playstation Portable PMP format demuxer
514
- Microsoft Windows ICO demuxer
515
- life source
David Goldwich's avatar
David Goldwich committed
516
- PCM format support in OMA demuxer
Paul B Mahol's avatar
Paul B Mahol committed
517
- CLJR encoder
518
- new option: -report
519
- Dxtory capture format decoder
520
- cellauto source
521
- Simple segmenting muxer
Reinhard Tartler's avatar
Reinhard Tartler committed
522 523
- Indeo 4 decoder
- SMJPEG demuxer
524

525

526
version 0.8:
527

528
- many many things we forgot because we rather write code than changelogs
James Zern's avatar
James Zern committed
529
- WebM support in Matroska de/muxer
Diego Biurrun's avatar
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530
- low overhead Ogg muxing
531
- MMS-TCP support
James Zern's avatar
James Zern committed
532
- VP8 de/encoding via libvpx
David Conrad's avatar
David Conrad committed
533
- Demuxer for On2's IVF format
Peter Ross's avatar
Peter Ross committed
534
- Pictor/PC Paint decoder
535
- HE-AAC v2 decoder
tipok's avatar
tipok committed
536
- HE-AAC v2 encoding with libaacplus
537
- libfaad2 wrapper removed
538
- DTS-ES extension (XCh) decoding support
539
- native VP8 decoder
540
- RTSP tunneling over HTTP
541
- RTP depacketization of SVQ3
542
- -strict inofficial replaced by -strict unofficial
543
- ffplay -exitonkeydown and -exitonmousedown options added
544
- native GSM / GSM MS decoder
545
- RTP depacketization of QDM2
Peter Ross's avatar
Peter Ross committed
546
- ANSI/ASCII art playback system
547
- Lego Mindstorms RSO de/muxer
548
- libavcore added (and subsequently removed)
549
- SubRip subtitle file muxer and demuxer
550
- Chinese AVS encoding via libxavs
551
- ffprobe -show_packets option added
552
- RTP packetization of Theora and Vorbis
553
- RTP depacketization of MP4A-LATM
554
- RTP packetization and depacketization of VP8
Stefano Sabatini's avatar
Stefano Sabatini committed
555
- hflip filter
556
- Apple HTTP Live Streaming demuxer
557
- a64 codec
558
- MMS-HTTP support
Martin Storsjö's avatar
Martin Storsjö committed
559
- G.722 ADPCM audio encoder/decoder
Zhou Zongyi's avatar
Zhou Zongyi committed
560
- R10k video decoder
561
- ocv_smooth filter
Stefano Sabatini's avatar
Stefano Sabatini committed
562
- frei0r wrapper filter
563
- change crop filter syntax to width:height:x:y
564
- make the crop filter accept parametric expressions
565
- make ffprobe accept AVFormatContext options
566
- yadif filter
567
- blackframe filter
568
- Demuxer for Leitch/Harris' VR native stream format (LXF)
569
- RTP depacketization of the X-QT QuickTime format
Martin Storsjö's avatar
Martin Storsjö committed
570
- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
571
- cropdetect filter
572
- ffmpeg -crop* options removed
Stefano Sabatini's avatar
Stefano Sabatini committed
573
- transpose filter added
574
- ffmpeg -force_key_frames option added
575
- demuxer for receiving raw rtp:// URLs without an SDP description
576
- single stream LATM/LOAS decoder
577
- setpts filter added
578
- Win64 support for optimized x86 assembly functions
579
- MJPEG/AVI1 to JPEG/JFIF bitstream filter
580
- ASS subtitle encoder and decoder
581
- IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
582
- overlay filter added
583
- rename aspect filter to setdar, and pixelaspect to setsar
Anssi Hannula's avatar
Anssi Hannula committed
584
- IEC 61937 demuxer
Anatoly Nenashev's avatar
Anatoly Nenashev committed
585
- Mobotix .mxg demuxer
586
- frei0r source added
587
- hqdn3d filter added
588
- RTP depacketization of QCELP
Michael Chinen's avatar
Michael Chinen committed
589
- FLAC parser added
590
- gradfun filter added
591
- AMR-WB decoder
592
- replace the ocv_smooth filter with a more generic ocv filter
593
- Windows Televison (WTV) demuxer
Anton Khirnov's avatar
Anton Khirnov committed
594
- FFmpeg metadata format muxer and demuxer
Aurelien Jacobs's avatar
Aurelien Jacobs committed
595
- SubRip (srt) subtitle encoder and decoder
596
- floating-point AC-3 encoder added
597
- Lagarith decoder
598
- ffmpeg -copytb option added
599
- IVF muxer added
Kostya Shishkov's avatar
Kostya Shishkov committed
600
- Wing Commander IV movies decoder added
601
- movie source added
602
- Bink version 'b' audio and video decoder
Peter Ross's avatar
Peter Ross committed
603
- Bitmap Brothers JV playback system
604
- Apple HTTP Live Streaming protocol handler
605
- sndio support for playback and record
606
- Linux framebuffer input device added
607
- Chronomaster DFA decoder
Peter Ross's avatar
Peter Ross committed
608
- DPX image encoder
609
- MicroDVD subtitle file muxer and demuxer
610
- Playstation Portable PMP format demuxer
611
- fieldorder video filter added
612
- AAC encoding via libvo-aacenc
613
- AMR-WB encoding via libvo-amrwbenc
Max Horn's avatar
Max Horn committed
614
- xWMA demuxer
anatoly's avatar
anatoly committed
615
- Mobotix MxPEG decoder
616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641
- VP8 frame-multithreading
- NEON optimizations for VP8
- Lots of deprecated API cruft removed
- fft and imdct optimizations for AVX (Sandy Bridge) processors
- showinfo filter added
- SMPTE 302M AES3 audio decoder
- Apple Core Audio Format muxer
- 9bit and 10bit per sample support in the H.264 decoder
- 9bit and 10bit FFV1 encoding / decoding
- split filter added
- select filter added
- sdl output device added
- libmpcodecs video filter support (3 times as many filters than before)
- mpeg2 aspect ratio dection fixed
- libxvid aspect pickiness fixed
- Frame multithreaded decoding
- E-AC-3 audio encoder
- ac3enc: add channel coupling support
- floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.
- H264/MPEG frame-level multi-threading
- All av_metadata_* functions renamed to av_dict_* and moved to libavutil
- 4:4:4 H.264 decoding support
- 10-bit H.264 optimizations for x86
- lut, lutrgb, and lutyuv filters added
- buffersink libavfilter sink added
- Bump libswscale for recently reported ABI break
642
- New J2K encoder (via OpenJPEG)
643 644 645 646 647


version 0.7:

- all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release
648 649 650 651


version 0.6:

652
- PB-frame decoding for H.263
653
- deprecated vhook subsystem removed
654
- deprecated old scaler removed
Vitor Sessak's avatar
Vitor Sessak committed
655
- VQF demuxer
656
- Alpha channel scaler
657
- PCX encoder
658
- RTP packetization of H.263
659
- RTP packetization of AMR
660
- RTP depacketization of Vorbis
661
- CorePNG decoding support
662
- Cook multichannel decoding support
663
- introduced avlanguage helpers in libavformat
664
- 8088flex TMV demuxer and decoder
665
- per-stream language-tags extraction in asfdec
666
- V210 decoder and encoder
667
- remaining GPL parts in AC-3 decoder converted to LGPL
Kenan Gillet's avatar
Kenan Gillet committed
668
- QCP demuxer
669
- SoX native format muxer and demuxer
670
- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
671
- DPX image decoder
672
- Electronic Arts Madcow decoder
673
- DivX (XSUB) subtitle encoder
674
- nonfree libamr support for AMR-NB/WB decoding/encoding removed
Diego Biurrun's avatar
Diego Biurrun committed
675
- experimental AAC encoder
676
- RTP depacketization of ASF and RTSP from WMS servers
677
- RTMP support in libavformat
678
- noX handling for OPT_BOOL X options
Daniel Verkamp's avatar
Daniel Verkamp committed
679
- Wave64 demuxer
680
- IEC-61937 compatible Muxer
Vitor Sessak's avatar
Vitor Sessak committed
681
- TwinVQ decoder
682
- Bluray (PGS) subtitle decoder
683
- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
Diego Biurrun's avatar
Diego Biurrun committed
684
- WMA Pro decoder
Peter Ross's avatar
Peter Ross committed
685
- Core Audio Format demuxer
686
- ATRAC1 decoder
687
- MD STUDIO audio demuxer
688
- RF64 support in WAV demuxer
689
- MPEG-4 Audio Lossless Coding (ALS) decoder
Daniel Verkamp's avatar
Daniel Verkamp committed
690
- -formats option split into -formats, -codecs, -bsfs, and -protocols
691
- IV8 demuxer
Michael Tison's avatar
Michael Tison committed
692
- CDG demuxer and decoder
693
- R210 decoder
694
- Auravision Aura 1 and 2 decoders
695
- Deluxe Paint Animation playback system
Vitor Sessak's avatar
Vitor Sessak committed
696
- SIPR decoder
697
- Adobe Filmstrip muxer and demuxer
698
- RTP depacketization of H.263
Kostya Shishkov's avatar
Kostya Shishkov committed
699
- Bink demuxer and audio/video decoders
700
- enable symbol versioning by default for linkers that support it
Peter Ross's avatar
Peter Ross committed
701
- IFF PBM/ILBM bitmap decoder
702
- concat protocol
Kostya Shishkov's avatar
Kostya Shishkov committed
703
- Indeo 5 decoder
704
- RTP depacketization of AMR
Diego Biurrun's avatar
Diego Biurrun committed
705 706
- WMA Voice decoder
- ffprobe tool
707
- AMR-NB decoder
Martin Storsjö's avatar
Martin Storsjö committed
708
- RTSP muxer
709
- HE-AAC v1 decoder
710
- Kega Game Video (KGV1) decoder
711
- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
712
- RTP depacketization of Theora
713
- HTTP Digest authentication
714
- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
715
- Psygnosis YOP demuxer and video decoder
716
- spectral extension support in the E-AC-3 decoder
717
- unsharp video filter
718
- RTP hinting in the mov/3gp/mp4 muxer
719 720 721 722 723 724
- Dirac in Ogg demuxing
- seek to keyframes in Ogg
- 4:2:2 and 4:4:4 Theora decoding
- 35% faster VP3/Theora decoding
- faster AAC decoding
- faster H.264 decoding
725
- RealAudio 1.0 (14.4K) encoder
726

727

728 729
version 0.5:

730
- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
731
- TechSmith Camtasia (TSCC) video decoder
732
- IBM Ultimotion (ULTI) video decoder
733 734
- Sierra Online audio file demuxer and decoder
- Apple QuickDraw (qdrw) video decoder
735
- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
736
- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
737
- Miro VideoXL (VIXL) video decoder
Mike Melanson's avatar
Mike Melanson committed
738
- H.261 video encoder
739
- QPEG video decoder
Mike Melanson's avatar
Mike Melanson committed
740
- Nullsoft Video (NSV) file demuxer
741
- Shorten audio decoder
742
- LOCO video decoder
743
- Apple Lossless Audio Codec (ALAC) decoder
744
- Winnov WNV1 video decoder
745
- Autodesk Animator Studio Codec (AASC) decoder
Diego Biurrun's avatar
Diego Biurrun committed
746
- Indeo 2 video decoder
747
- Fraps FPS1 video decoder
Diego Biurrun's avatar
Diego Biurrun committed
748
- Snow video encoder/decoder
749
- Sonic audio encoder/decoder
750
- Vorbis audio decoder
751
- Macromedia ADPCM decoder
Diego Biurrun's avatar
Diego Biurrun committed
752 753
- Duck TrueMotion 2 video decoder
- support for decoding FLX and DTA extensions in FLIC files
754
- H.264 custom quantization matrices support
Diego Biurrun's avatar
Diego Biurrun committed
755
- ffserver fixed, it should now be usable again
Diego Biurrun's avatar
Diego Biurrun committed
756
- QDM2 audio decoder
757
- Real Cooker audio decoder
758
- TrueSpeech audio decoder
759 760
- WMA2 audio decoder fixed, now all files should play correctly
- RealAudio 14.4 and 28.8 decoders fixed
761
- JPEG-LS decoder
Diego Biurrun's avatar
Diego Biurrun committed
762 763
- build system improvements
- tabs and trailing whitespace removed from the codebase
764
- CamStudio video decoder
765
- AIFF/AIFF-C audio format, encoding and decoding
766
- ADTS AAC file reading and writing
767
- Creative VOC file reading and writing
768
- American Laser Games multimedia (*.mm) playback system
769
- Zip Motion Blocks Video decoder
770
- improved Theora/VP3 decoder
771
- True Audio (TTA) decoder
772
- AVS demuxer and video decoder
773
- JPEG-LS encoder
774
- Smacker demuxer and decoder
775
- NuppelVideo/MythTV demuxer and RTjpeg decoder
776
- KMVC decoder
777
- MPEG-2 intra VLC support
778
- MPEG-2 4:2:2 encoder
779
- Flash Screen Video decoder
Reimar Döffinger's avatar
Reimar Döffinger committed
780
- GXF demuxer
Diego Biurrun's avatar
Diego Biurrun committed
781
- Chinese AVS decoder
782
- GXF muxer
Baptiste Coudurier's avatar
Baptiste Coudurier committed
783
- MXF demuxer
Diego Biurrun's avatar
Diego Biurrun committed
784
- VC-1/WMV3/WMV9 video decoder
785
- MacIntel support
Diego Biurrun's avatar
Diego Biurrun committed
786
- AviSynth support
787
- VMware video decoder
788 789
- VP5 video decoder
- VP6 video decoder
790
- WavPack lossless audio decoder
Kostya Shishkov's avatar
Kostya Shishkov committed
791
- Targa (.TGA) picture decoder
792
- Vorbis audio encoder
793
- Delphine Software .cin demuxer/audio and video decoder
794
- Tiertex .seq demuxer/video decoder
795
- MTV demuxer
796
- TIFF picture encoder and decoder
797
- GIF picture decoder
798
- Intel Music Coder decoder
799
- Zip Motion Blocks Video encoder
800
- Musepack decoder
801
- Flash Screen Video encoder
802
- Theora encoding via libtheora
803
- BMP encoder
Diego Biurrun's avatar
Diego Biurrun committed
804
- WMA encoder
805
- GSM-MS encoder and decoder
Kostya Shishkov's avatar
Kostya Shishkov committed
806
- DCA decoder
807
- DXA demuxer and decoder
Baptiste Coudurier's avatar
Baptiste Coudurier committed
808
- DNxHD decoder
809
- Gamecube movie (.THP) playback system
810
- Blackfin optimizations
811
- Interplay C93 demuxer and video decoder
812
- Bethsoft VID demuxer and video decoder
Anssi Hannula's avatar
Anssi Hannula committed
813
- CRYO APC demuxer
814
- ATRAC3 decoder
815
- V.Flash PTX decoder
816
- RoQ muxer, RoQ audio encoder
817
- Renderware TXD demuxer and decoder
818
- extern C declarations for C++ removed from headers
819
- sws_flags command line option
820
- codebook generator
Vitor Sessak's avatar
Vitor Sessak committed
821
- RoQ video encoder
Alexis Ballier's avatar
Alexis Ballier committed
822
- QTRLE encoder
823
- OS/2 support removed and restored again
824
- AC-3 decoder
825
- NUT muxer
826
- additional SPARC (VIS) optimizations
David Conrad's avatar
David Conrad committed
827
- Matroska muxer
828
- slice-based parallel H.264 decoding
Kostya Shishkov's avatar
Kostya Shishkov committed
829
- Monkey's Audio demuxer and decoder
Vladimir Voroshilov's avatar
Vladimir Voroshilov committed
830
- AMV audio and video decoder
831
- DNxHD encoder
Carl Eugen Hoyos's avatar
Carl Eugen Hoyos committed
832
- H.264 PAFF decoding
833
- Nellymoser ASAO decoder
834
- Beam Software SIFF demuxer and decoder
835
- libvorbis Vorbis decoding removed in favor of native decoder
Diego Biurrun's avatar
Diego Biurrun committed
836
- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
837
- Ogg (Theora, Vorbis and FLAC) muxer
838
- The "device" muxers and demuxers are now in a new libavdevice library
839 840
- PC Paintbrush PCX decoder
- Sun Rasterfile decoder
841
- TechnoTrend PVA demuxer
Ivo van Poorten's avatar
Ivo van Poorten committed
842
- Linux Media Labs MPEG-4 (LMLM4) demuxer
843
- AVM2 (Flash 9) SWF muxer
844
- QT variant of IMA ADPCM encoder
Ramiro Polla's avatar
Ramiro Polla committed
845
- VFW grabber
846
- iPod/iPhone compatible mp4 muxer
Ramiro Polla's avatar
Ramiro Polla committed
847
- Mimic decoder
848
- MSN TCP Webcam stream demuxer
Sascha Sommer's avatar
Sascha Sommer committed
849
- RL2 demuxer / decoder
850 851
- IFF demuxer
- 8SVX audio decoder
852
- non-recursive Makefiles
Sisir Koppaka's avatar
Sisir Koppaka committed
853
- BFI demuxer
854
- MAXIS EA XA (.xa) demuxer / decoder
Sisir Koppaka's avatar
Sisir Koppaka committed
855
- BFI video decoder
856
- OMA demuxer
Ramiro Polla's avatar
Ramiro Polla committed
857
- MLP/TrueHD decoder
858
- Electronic Arts CMV decoder
859 860
- Motion Pixels Video decoder
- Motion Pixels MVI demuxer
861
- removed animated GIF decoder/demuxer
Peter Ross's avatar
Peter Ross committed
862
- D-Cinema audio muxer
Peter Ross's avatar
Peter Ross committed
863
- Electronic Arts TGV decoder
864
- Apple Lossless Audio Codec (ALAC) encoder
865
- AAC decoder
866
- floating point PCM encoder/decoder
867
- MXF muxer
868
- DV100 AKA DVCPRO HD decoder and demuxer
869
- E-AC-3 support added to AC-3 decoder
870
- Nellymoser ASAO encoder
871
- ASS and SSA demuxer and muxer
872
- liba52 wrapper removed
873
- SVQ3 watermark decoding support
874
- Speex decoding via libspeex
875
- Electronic Arts TGQ decoder
876
- RV40 decoder
877
- QCELP / PureVoice decoder
878
- RV30 decoder
Ben Littler's avatar
Ben Littler committed
879
- hybrid WavPack support
Baptiste Coudurier's avatar
Baptiste Coudurier committed
880
- R3D REDCODE demuxer
881
- ALSA support for playback and record
Peter Ross's avatar
Peter Ross committed
882
- Electronic Arts TQI decoder
883
- OpenJPEG based JPEG 2000 decoder
884
- NC (NC4600) camera file demuxer
885
- Gopher client support
Baptiste Coudurier's avatar
Baptiste Coudurier committed
886
- MXF D-10 muxer
887
- generic metadata API
888
- flash ScreenVideo2 encoder
889

890

Michael Niedermayer's avatar
Michael Niedermayer committed
891 892
version 0.4.9-pre1:

893
- DV encoder, DV muxer
894 895
- Microsoft RLE video decoder
- Microsoft Video-1 decoder
896
- Apple Animation (RLE) decoder
Mike Melanson's avatar
Mike Melanson committed
897
- Apple Graphics (SMC) decoder
898 899 900
- Apple Video (RPZA) decoder
- Cinepak decoder
- Sega FILM (CPK) file demuxer
Mike Melanson's avatar
Mike Melanson committed
901
- Westwood multimedia support (VQA & AUD files)
902
- Id Quake II CIN playback support
Mike Melanson's avatar
Mike Melanson committed
903 904
- 8BPS video decoder
- FLIC playback support
905 906
- RealVideo 2.0 (RV20) decoder
- Duck TrueMotion v1 (DUCK) video decoder
Mike Melanson's avatar
Mike Melanson committed
907
- Sierra VMD demuxer and video decoder
Michael Niedermayer's avatar
Michael Niedermayer committed
908
- MSZH and ZLIB decoder support
909
- SVQ1 video encoder
Michael Niedermayer's avatar
Michael Niedermayer committed
910
- AMR-WB support
Diego Biurrun's avatar
Diego Biurrun committed
911
- PPC optimizations
Michael Niedermayer's avatar
Michael Niedermayer committed
912
- rate distortion optimal cbp support
Diego Biurrun's avatar
Diego Biurrun committed
913
- rate distorted optimal ac prediction for MPEG-4
Michael Niedermayer's avatar
Michael Niedermayer committed
914 915 916
- rate distorted optimal lambda->qp support
- AAC encoding with libfaac
- Sunplus JPEG codec (SP5X) support
Diego Biurrun's avatar
Diego Biurrun committed
917 918
- use Lagrange multipler instead of QP for ratecontrol
- Theora/VP3 decoding support
Michael Niedermayer's avatar
Michael Niedermayer committed
919
- XA and ADX ADPCM codecs
Diego Biurrun's avatar
Diego Biurrun committed
920
- export MPEG-2 active display area / pan scan
Michael Niedermayer's avatar
Michael Niedermayer committed
921 922
- Add support for configuring with IBM XLC
- floating point AAN DCT
Diego Biurrun's avatar
Diego Biurrun committed
923 924
- initial support for zygo video (not complete)
- RGB ffv1 support
Michael Niedermayer's avatar
Michael Niedermayer committed
925 926 927 928 929
- new audio/video parser API
- av_log() system
- av_read_frame() and av_seek_frame() support
- missing last frame fixes
- seek by mouse in ffplay
Diego Biurrun's avatar
Diego Biurrun committed
930 931 932 933 934 935
- noise reduction of DCT coefficients
- H.263 OBMC & 4MV support
- H.263 alternative inter vlc support
- H.263 loop filter
- H.263 slice structured mode
- interlaced DCT support for MPEG-2 encoding
Michael Niedermayer's avatar
Michael Niedermayer committed
936
- stuffing to stay above min_bitrate
Diego Biurrun's avatar
Diego Biurrun committed
937
- MB type & QP visualization
Michael Niedermayer's avatar
Michael Niedermayer committed
938 939 940 941
- frame stepping for ffplay
- interlaced motion estimation
- alternate scantable support
- SVCD scan offset support
Diego Biurrun's avatar
Diego Biurrun committed
942 943
- closed GOP support
- SSE2 FDCT
Michael Niedermayer's avatar
Michael Niedermayer committed
944 945 946 947
- quantizer noise shaping
- G.726 ADPCM audio codec
- MS ADPCM encoding
- multithreaded/SMP motion estimation
Diego Biurrun's avatar
Diego Biurrun committed
948 949
- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
- multithreaded/SMP decoding for MPEG-2
Michael Niedermayer's avatar
Michael Niedermayer committed
950 951
- FLAC decoder
- Metrowerks CodeWarrior suppport
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- H.263+ custom pcf support
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- nicer output for 'ffmpeg -formats'
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- Matroska demuxer
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- SGI image format, encoding and decoding
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- H.264 loop filter support
- H.264 CABAC support
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- nicer looking arrows for the motion vector visualization
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- improved VCD support
- audio timestamp drift compensation
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- MPEG-2 YUV 422/444 support
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- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
- better image scaling
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- H.261 support
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- correctly interleave packets during encoding
- VIS optimized motion compensation
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- intra_dc_precision>0 encoding support
- support reuse of motion vectors/MB types/field select values of the source video
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- more accurate deblock filter
- padding support
- many optimizations and bugfixes
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- FunCom ISS audio file demuxer and according ADPCM decoding
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version 0.4.8:

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- MPEG-2 video encoding (Michael)
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- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
  and Mario Brito)
- Xan DPCM audio decoder (Mario Brito)
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- Interplay MVE playback subsystem (Mike Melanson)
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- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

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version 0.4.7:
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- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
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  (originally from public domain player for Amiga at http://www.honeypot.net/audio)
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- current version now also compiles with older GCC (Fabrice)
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- 4X multimedia playback system including 4xm file demuxer (Mike
  Melanson), and 4X video and audio codecs (Michael)
- Creative YUV (CYUV) decoder (Mike Melanson)
- FFV1 codec (our very simple lossless intra only codec, compresses much better
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  than HuffYUV) (Michael)
- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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  alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
- ffplay has been replaced with a newer version which uses SDL (optionally)
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  for multiplatform support (Fabrice)
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- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
  by anonymous
- AMR format has been added (Johannes Carlsson)
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- 3GP support has been added (Johannes Carlsson)
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- VP3 codec has been added (Mike Melanson)
- more MPEG-1/2 fixes
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- better multiplatform support, MS Visual Studio fixes (various)
- AltiVec optimizations (Magnus Damn and others)
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- SH4 processor support has been added (BERO)
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- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
- VOB streaming support (Brian Foley)
- better MP3 autodetection (Andriy Rysin)
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- qpel encoding (Michael)
- 4mv+b frames encoding finally fixed (Michael)
- chroma ME (Michael)
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- 5 comparison functions for ME (Michael)
- B-frame encoding speedup (Michael)
- WMV2 codec (unfinished - Michael)
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- user specified diamond size for EPZS (Michael)
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- Playstation STR playback subsystem, still experimental (Mike and Michael)
- ASV2 codec (Michael)
- CLJR decoder (Alex)
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.. And lots more new enhancements and fixes.
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version 0.4.6:
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- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
  from scratch
- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
- fix quantization bug in AC3 encoder
- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
- added prototype ffplay program
- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
- bug fix on MCBPC tables of H.263 (Juanjo)
- bug fix on DC coefficients of H.263 (Juanjo)
- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
- now we can decode H.263 streams found in QuickTime files (Juanjo)
- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
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- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
- now H.263 picture size is returned on the first decoded frame (Juanjo)
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- added first regression tests
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- added MPEG-2 TS demuxer
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- new demux API for libav
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- more accurate and faster IDCT (Michael)
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- faster and entropy-controlled motion search (Michael)
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- two pass video encoding (Michael)
- new video rate control (Michael)
- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
- great performance improvement of video encoders and decoders (Michael)
- new and faster bit readers and vlc parsers (Michael)
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- high quality encoding mode: tries all macroblock/VLC types (Michael)
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- added DV video decoder
- preliminary RTP/RTSP support in ffserver and libavformat
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- H.263+ AIC decoding/encoding support (Juanjo)
- VCD MPEG-PS mode (Juanjo)
- PSNR stuff (Juanjo)
- simple stats output (Juanjo)
- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
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version 0.4.5:

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- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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- added configure system (actually a small shell script)
- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
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  Michael Hipp (temporary solution - waiting for integer only
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  decoder)
- fixed VIDIOCSYNC interrupt
- added Intel H.263 decoding support ('I263' AVI fourCC)
- added Real Video 1.0 decoding (needs further testing)
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- simplified image formats again. Added PGM format (=grey
  pgm). Renamed old PGM to PGMYUV.
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- fixed msmpeg4 slice issues (tell me if you still find problems)
- fixed OpenDivX bugs with newer versions (added VOL header decoding)
- added support for MPlayer interface
- added macroblock skip optimization
- added MJPEG decoder
- added mmx/mmxext IDCT from libmpeg2
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- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
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  <celer at shell.scrypt.net>)
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- added pixel format conversion layer (e.g. for MJPEG or PPM)
- added deinterlacing option
- MPEG-1/2 fixes
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- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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- Windows porting of file converter
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- added MJPEG raw format (input/output)
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- added JPEG image format support (input/output)
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version 0.4.4:

- fixed some std header definitions (Bjorn Lindgren
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  <bjorn.e.lindgren at telia.com>).
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- added MPEG demuxer (MPEG-1 and 2 compatible).
- added ASF demuxer
- added prototype RM demuxer
- added AC3 decoding (done with libac3 by Aaron Holtzman)
- added decoding codec parameter guessing (.e.g. for MPEG, because the
  header does not include them)
- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
  play them (only tested video)
- fixed H.263 white bug
- fixed phase rounding in img resample filter
- add MMX code for polyphase img resample filter
- added CPU autodetection
- added generic title/author/copyright/comment string handling (ASF and RM
  use them)
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- added SWF demux to extract MP3 track (not usable yet because no MP3
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  decoder)
- added fractional frame rate support
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- codecs are no longer searched by read_header() (should fix ffserver
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  segfault)
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version 0.4.3:

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- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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- fixed raw yuv output
- added motion rounding support in MPEG-4
- fixed motion bug rounding in MSMPEG4
- added B-frame handling in video core
- added full MPEG-1 decoding support
- added partial (frame only) MPEG-2 support
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- changed the FOURCC code for H.263 to "U263" to be able to see the
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  +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
  this +codec ;) (JuanJo).
- Halfpel motion estimation after MB type selection (JuanJo)
- added pgm and .Y.U.V output format
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- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
  output.
- added pgmpipe I/O format (original patch from Martin Aumueller
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  <lists at reserv.at>, but changed completely since we use a format
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  instead of a protocol)
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version 0.4.2:

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- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
  (for OpenDivX) is almost complete: 8x8 MVs and rounding are
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  missing. MSMPEG4 support is complete.
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- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
  can decode ffmpeg MPEGs :-)).
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- added libavcodec API documentation (see apiexample.c).
- fixed image polyphase bug (the bottom of some images could be
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  greenish)
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- added support for non clipped motion vectors (decoding only)
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  and image sizes non-multiple of 16
- added support for AC prediction (decoding only)
- added file overwrite confirmation (can be disabled with -y)
- added custom size picture to H.263 using H.263+ (Juanjo)
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version 0.4.1:

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- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
  of AVI and ASF to DIV3.
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- added -me option to set motion estimation method
  (default=log). suppressed redundant -hq option.
- added options -acodec and -vcodec to force a given codec (useful for
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  AVI for example)
- fixed -an option
- improved dct_quantize speed
- factorized some motion estimation code
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version 0.4.0:

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- removing grab code from ffserver and moved it to ffmpeg. Added
  multistream support to ffmpeg.
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- added timeshifting support for live feeds (option ?date=xxx in the
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  URL)
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- added high quality image resize code with polyphase filter (need
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  mmx/see optimization). Enable multiple image size support in ffserver.
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- added multi live feed support in ffserver
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- suppressed master feature from ffserver (it should be done with an
  external program which opens the .ffm url and writes it to another
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  ffserver)
- added preliminary support for video stream parsing (WAV and AVI half
  done). Added proper support for audio/video file conversion in
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  ffmpeg.
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- added preliminary support for video file sending from ffserver
- redesigning I/O subsystem: now using URL based input and output
  (see avio.h)
- added WAV format support
- added "tty user interface" to ffmpeg to stop grabbing gracefully
- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
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  (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
- added new motion estimation algorithms, log and phods (Juanjo)
- changed directories: libav for format handling, libavcodec for
  codecs
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version 0.3.4:

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- added stereo in MPEG audio encoder
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version 0.3.3:

- added 'high quality' mode which use motion vectors. It can be used in
  real time at low resolution.
- fixed rounding problems which caused quality problems at high
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  bitrates and large GOP size
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version 0.3.2: small fixes

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- ASF fixes
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- put_seek bug fix

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version 0.3.1: added avi/divx support

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- added AVI support
- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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- added sound for flash format (not tested)

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version 0.3: initial public release