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ffmpeg.wasm-core
Commit e0db8cfb authored by Diego Biurrun's avatar Diego Biurrun
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spelling/wording/grammar 

Originally committed as revision 4787 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 3f45598a
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Changelog
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......@@ -16,18 +16,18 @@ version <next>
- Autodesk Animator Studio Codec (AASC) decoder
- Indeo 2 video decoder
- Fraps FPS1 video decoder
- SNOW video encoder/decoder
- Snow video encoder/decoder
- Sonic audio encoder/decoder
- Vorbis decoder
- Vorbis audio decoder
- Macromedia ADPCM decoder
- Duck TrueMotion 2 decoder
- Support for decoding FLX and DTA extensions in FLIC files
- Duck TrueMotion 2 video decoder
- support for decoding FLX and DTA extensions in FLIC files
- H.264 custom quantization matrices support
- ffserver fixed, it should now be usable again
- QDM2 audio decoder
- cook audio decoder
- wma2 audio decoder fixed, now all files should play correctly
- jpeg-ls decoder (unfinished)
- JPEG-LS decoder (unfinished)
- build system improvements
- tabs and trailing whitespace removed from the codebase
......@@ -51,71 +51,71 @@ version 0.4.9-pre1:
- MSZH and ZLIB decoder support
- SVQ1 video encoder
- AMR-WB support
- PPC optimisations
- PPC optimizations
- rate distortion optimal cbp support
- rate distorted optimal ac prediction for mpeg4
- rate distorted optimal ac prediction for MPEG-4
- rate distorted optimal lambda->qp support
- AAC encoding with libfaac
- Sunplus JPEG codec (SP5X) support
- use lagrange multipler instead of qp for ratecontrol
- theora/VP3 decoding support
- use Lagrange multipler instead of QP for ratecontrol
- Theora/VP3 decoding support
- XA and ADX ADPCM codecs
- export mpeg2 active display area / pan scan
- export MPEG-2 active display area / pan scan
- Add support for configuring with IBM XLC
- floating point AAN DCT
- initial support for zygovideo (not complete)
- rgb ffv1 support
- initial support for zygo video (not complete)
- RGB ffv1 support
- 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
- noise reduction of dct coefficients
- h263 OBMC & 4MV support
- h263 alternative inter vlc support
- h263 loop filter
- h263 slice structured mode
- interlaced DCT support for MPEG2 encoding
- 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
- stuffing to stay above min_bitrate
- mb type & qp vissualization
- MB type & QP visualization
- frame stepping for ffplay
- interlaced motion estimation
- alternate scantable support
- SVCD scan offset support
- closed gop support
- SSE2 fdct
- closed GOP support
- SSE2 FDCT
- quantizer noise shaping
- G.726 ADPCM audio codec
- MS ADPCM encoding
- multithreaded/SMP motion estimation
- multithreaded/SMP encoding for MPEG1/MPEG2/MPEG4/H263
- multithreaded/SMP decoding for MPEG2
- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
- multithreaded/SMP decoding for MPEG-2
- FLAC decoder
- Metrowerks CodeWarrior suppport
- h263+ custom pcf support
- H.263+ custom pcf support
- nicer output for 'ffmpeg -formats'
- matroska demuxer
- Matroska demuxer
- SGI image format, encoding and decoding
- h264 loop filter support
- h264 CABAC support
- H.264 loop filter support
- H.264 CABAC support
- nicer looking arrows for the motion vector vissualization
- improved VCD support
- audio timestamp drift compensation
- mpeg2 YUV 422/444 support
- MPEG-2 YUV 422/444 support
- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
- better image scaling
- h261 support
- H.261 support
- correctly interleave packets during encoding
- VIS optimized motion compensation
- intra_dc_precission>0 encoding support
- support reuse of motion vectors/mb types/field select values of the source video
- intra_dc_precision>0 encoding support
- support reuse of motion vectors/MB types/field select values of the source video
- more accurate deblock filter
- padding support
- many optimizations and bugfixes
version 0.4.8:
- MPEG2 video encoding (Michael)
- MPEG-2 video encoding (Michael)
- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
and Mario Brito)
......@@ -125,230 +125,229 @@ version 0.4.8:
version 0.4.7:
- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from a mplayerhq
- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
(originally from public domain player for Amiga at http://www.honeypot.net/audio)
- Current version now also compiles with older GCC (Fabrice)
- current version now also compiles with older GCC (Fabrice)
- 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
then huffyuv) (Michael)
- ASV1 (Asus), H.264, Intel indeo3 codecs has been added (Various)
- Tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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
alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
- ffplay has been replaced with a newer version which uses SDL (optionally)
for multi platform support (fabrice)
for multiplatform support (Fabrice)
- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
by anonymous
- AMR format has been added (Johannes Carlsson)
- 3gp support has been added (Johannes Carlsson)
- 3GP support has been added (Johannes Carlsson)
- VP3 codec has been added (Mike Melanson)
- more MPEG-1/2 fixes
- Better Multi platform support, MS Visual Studio fixes (various)
- Altivec optimizations (Magnus Damn and others)
- better multiplatform support, MS Visual Studio fixes (various)
- AltiVec optimizations (Magnus Damn and others)
- SH4 processor support has been added (BERO)
- New public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
- VOB Streaming support (Brian Foley)
- Better MP3 Autodetection (Andriy Rysin)
- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
- VOB streaming support (Brian Foley)
- better MP3 autodetection (Andriy Rysin)
- qpel encoding (Michael)
- 4mv+b frames encoding finally fixed (Michael)
- chroma ME (Michael)
- 5 comparission functions for ME (Michael)
- b frame encoding speedup (Michael)
- wmv2 codec (unfinished - Michael)
- 5 comparison functions for ME (Michael)
- B-frame encoding speedup (Michael)
- WMV2 codec (unfinished - Michael)
- user specified diamond size for EPZS (Michael)
- Playstation STR playback subsystem, still experimental (Mike and Michael)
- ASV2 codec (Michael)
- CLJR decoder (Alex)
.. And lots more new enhances and fixes.
.. And lots more new enhancements and fixes.
version 0.4.6:
- 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 on QuickTime files. (Juanjo)
- now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
- 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)
- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
- 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)
- 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)
- added first regression tests
- added MPEG2 TS demux
- added MPEG-2 TS demuxer
- new demux API for libav
- more accurate and faster IDCT (Michael)
- faster and entropy controlled motion search (Michael)
- faster and entropy-controlled motion search (Michael)
- 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)
- high quality encoding mode : tries all macroblock/VLC types (Michael)
- high quality encoding mode: tries all macroblock/VLC types (Michael)
- added DV video decoder
- preliminary RTP/RTSP support in ffserver and libavformat
- 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)
- 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)
version 0.4.5:
- some header fixes (Zdenek Kabelac &lt;kabi@informatics.muni.cz&gt;).
- many MMX optimizations (Nick Kurshev &lt;nickols_k@mail.ru&gt;).
- added configure system (actually a small shell script).
- added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by
- some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>)
- many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>)
- added configure system (actually a small shell script)
- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
Michael Hipp (temporary solution - waiting for integer only
decoder).
- fixed VIDIOCSYNC interrupt.
- added Intel H263 decoding support ('I263' avi fourCC)
- added Real Video 1.0 decoding (needs further testing).
decoder)
- fixed VIDIOCSYNC interrupt
- added Intel H.263 decoding support ('I263' AVI fourCC)
- added Real Video 1.0 decoding (needs further testing)
- simplified image formats again. Added PGM format (=grey
pgm). Renamed old PGM to PGMYUV.
- 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.
- 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
- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
&lt;celer@shell.scrypt.net&gt;).
- added pixel format convertion layer (e.g. for MJPEG or PPM).
- added deinterlacing option.
- mpeg1/2 fixes.
- mpeg4 vol header fixes (Jonathan Marsden &lt;snmjbm@pacbell.net&gt;).
- ARM optimizations (Lionel Ulmer &lt;lionel.ulmer@free.fr&gt;).
- Windows porting of file converter.
- added MJPEG raw format (input/ouput).
- added JPEG image format support (input/output).
<celer@shell.scrypt.net>)
- added pixel format conversion layer (e.g. for MJPEG or PPM)
- added deinterlacing option
- MPEG-1/2 fixes
- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>)
- ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
- Windows porting of file converter
- added MJPEG raw format (input/ouput)
- added JPEG image format support (input/output)
version 0.4.4:
- fixed some std header definitions (Bjorn Lindgren
&lt;bjorn.e.lindgren@telia.com&gt;).
- added mpeg demux (mpeg 1 and 2 compatible).
- added ASF demux.
- added prototype RM demux.
- 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 mpeg1, AVI and ASF mux : wmplayer can now
play them (only tested video).
- fixed h263 white bug.
- fixed phase rounding in img resample filter.
- add mmx code for polyphase img resample filter.
- added CPU autodetect.
- added generic title/author/copyright/comment string handling (ASF and RM use them).
<bjorn.e.lindgren@telia.com>).
- 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)
- added SWF demux to extract MP3 track (not usable yet because no MP3
decoder).
- added fractional frame rate support.
decoder)
- added fractional frame rate support
- codecs are no longer searched by read_header() (should fix ffserver
segfault).
segfault)
version 0.4.3:
- BGR24 patch (initial patch by Jeroen Vreeken &lt;pe1rxq@amsat.org&gt;).
- fixed raw yuv output.
- added motion rounding support in MPEG4.
- fixed motion bug rounding in MSMPEG4.
- added B frame handling in video core.
- added full MPEG1 decoding support.
- added partial (frame only) MPEG2 support.
- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>)
- 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
- changed the FOURCC code for H.263 to "U263" to be able to see the
+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.
+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
- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
output.
- added pgmpipe I/O format (original patch from Martin Aumueller
&lt;lists@reserv.at&gt;, but changed completely since we use a format
instead of a protocol).
<lists@reserv.at>, but changed completely since we use a format
instead of a protocol)
version 0.4.2:
- added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support
(for openDIVX) is almost complete: 8x8 MVs and rounding are
- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
(for OpenDivX) is almost complete: 8x8 MVs and rounding are
missing. MSMPEG4 support is complete.
- added prototype MPEG1 decoder. Only I and P frames handled yet (it
can decode ffmpeg mpegs :-)).
- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
can decode ffmpeg MPEGs :-)).
- added libavcodec API documentation (see apiexample.c).
- fixed image polyphase bug (the bottom of some images could be
greenish).
greenish)
- added support for non clipped motion vectors (decoding only)
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).
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)
version 0.4.1:
- added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec
of avi and asf to DIV3.
- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
of AVI and ASF to DIV3.
- 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
AVI for example).
- fixed -an option.
- improved dct_quantize speed.
- factorized some motion estimation code.
AVI for example)
- fixed -an option
- improved dct_quantize speed
- factorized some motion estimation code
version 0.4.0:
- removing grab code from ffserver and moved it to ffmpeg. Added multi
stream support to ffmpeg.
- removing grab code from ffserver and moved it to ffmpeg. Added
multistream support to ffmpeg.
- added timeshifting support for live feeds (option ?date=xxx in the
URL).
URL)
- added high quality image resize code with polyphase filter (need
mmx/see optimisation). Enable multiple image size support in ffserver.
- added multi live feed support in ffserver.
- added multi live feed support in ffserver
- suppressed master feature from ffserver (it should be done with an
external program which opens the .ffm url and writes it to another
ffserver).
- added preliminary support for video stream parsing (wav and avi half
done). Added proper support for audio/video file convertion in
ffserver)
- added preliminary support for video stream parsing (WAV and AVI half
done). Added proper support for audio/video file conversion in
ffmpeg.
- 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 Diferences)
(Juan J. Sierralta P. a.k.a. "Juanjo" &lt;juanjo@atmlab.utfsm.cl&gt;).
- 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.
- 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)
(Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>)
- 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
version 0.3.4:
- added stereo in mpeg audio encoder.
- added stereo in MPEG audio encoder
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
bitrates and large gop size.
bitrates and large GOP size
version 0.3.2: small fixes
- asf fixes
- ASF fixes
- put_seek bug fix
version 0.3.1: added avi/divx support
- added avi support
- added mpeg4 codec compatible with open divx. It is based on the h263
codec.
- added AVI support
- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
- added sound for flash format (not tested)
version 0.3: initial public release
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