Difference between revisions of "Interesting Patches"

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This page tries to collect some useful patches for FFmpeg that didn't make into SVN for some reason or another.
This page tries to collect some useful patches for FFmpeg that didn't make into the repository for some reason or another.


== native [[Zlib]] decoder by Mans Rullgard ==
== flicvideo encoder by Steven Johnson and Alex Beregszaszi ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-July/032820.html
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/44516
http://ffmpeg.org/pipermail/ffmpeg-devel/2007-February/025968.html


In the same thread, there are patches to use the native decoder in several FFmpeg decoders.
== native [[Zlib]] decoder by [[User:Mans|Mans Rullgard]] ==
https://github.com/michaelni/FFmpeg/tree/inflate


== [[WMV3]] encoder by Denis Fortin ==
== [[WMV3]] encoder by Denis Fortin ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-June/031699.html
http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2007-June/031326.html
 
== [[H.263]] rtp patch ==
http://www.voxgratia.org/bin/ffmpeg-0.4.7.patch.zip, originally at http://www.salyens.com/downloads/index.html#ffmpeg-0.4.7, now removed.


== [[Apple RPZA]] encoder by Todd Kirby ==
== [[Apple RPZA]] encoder by Todd Kirby ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2005-June/001673.html


== Test Pattern Generator Demuxer by Nicholas George ==
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/87327/focus=87771
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-October/036838.html
 
== Test Pattern Generator Demuxer by [[User:Angustia|Ramiro Ribeiro Polla]] ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-April/028226.html
Or
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/49447


== PES packetizer by Xiaohui Sun ==
== PES packetizer by Xiaohui Sun ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-September/034849.html
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/52773/focus=56011


Part of the work of [[FFmpeg Summer Of Code#TS Muxer|Summer Of Code TS Muxer]]
Part of the work of [[FFmpeg Summer Of Code#TS Muxer|Summer Of Code TS Muxer]]
== Imlib2script: a scriptable vhook by [[User:Wzrlpy|Víctor Paesa]] ==
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/52341


== vf_imlib2: a libavfilter filter by [[User:Wzrlpy|Víctor Paesa]] ==
== vf_imlib2: a libavfilter filter by [[User:Wzrlpy|Víctor Paesa]] ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-soc/2007-December/002162.html
http://lists.mplayerhq.hu/pipermail/ffmpeg-soc/2007-December/002161.html
 
== File concatenation by Wolfram Gloger ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-July/032131.html


== "mem" file protocol by Lagrange Multiplier ==
== "mem" file protocol by Lagrange Multiplier ==
The "mem" protocol simply uses RAM as a source for input multimedia data, akin to how the "file" and "pipe" protocols use filesystem files and pipes as sources.
The "mem" protocol simply uses RAM as a source for input multimedia data, akin to how the "file" and "pipe" protocols use filesystem files and pipes as sources.


http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-May/028489.html
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/49711


== Presets/profiles for usual targets by Panagiotis Issaris ==
== Presets/profiles for usual targets by Panagiotis Issaris ==
Line 48: Line 34:


http://article.gmane.org/gmane.comp.video.ffmpeg.devel/37244
http://article.gmane.org/gmane.comp.video.ffmpeg.devel/37244
== PiP (Picture in Picture): a vhook filter by Mihail Stoyanov ==
http://article.gmane.org/gmane.comp.video.ffmpeg.devel/38896
== [[AMV]] encoder ==
http://code.google.com/p/amv-codec-tools/
See this post [http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-October/037356.html] to see what is missing to get it into SVN.
== [[Electronic Arts Formats]] demuxer/decoder by [[User:Suxen drol|Peter Ross]]==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-October/036938.html
The format demuxer modifications and the EA video codecs have not yet been applied to FFmpeg.
== Experimental MSVC port by Ole André Vadla Ravnås ==
Code in the [http://bazaar-vcs.org bazaar] branch at http://people.collabora.co.uk/~oleavr/OABuild/bzr/ffmpeg/
Patch at http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-March/044463.html


== H264 encoder by Jori Liesenborgs & Panagiotis Issaris ==
== H264 encoder by Jori Liesenborgs & Panagiotis Issaris ==
http://research.edm.uhasselt.be/~h264/
http://research.edm.uhasselt.be/~h264/
== DTS/AC3 in wav autodetection ==
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/49812/focus=49909
Clean up this patch and also add detection of AC3 in wav, it is similar. Samples for both can be found here: http://www.sr.se/cgi-bin/mall/artikel.asp?ProgramID=2445&Artikel=739973
== [[Bink Audio]] decoder by [[User:Suxen drol|Peter Ross]] ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-April/045346.html
Note: An updated patch is under development by [[User:DrV]] based on an updated patch by the original [[User:Suxen drol|author]].
== G722 decoder by Chas Williams ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-June/048457.html
It is basically an adaptation to FFmpeg of the [http://www.soft-switch.org/ SirenDSP] decoder.


== [[Chinese AVS]] video encoder by [[User:StefanG|Stefan Gehrer]] ==
== [[Chinese AVS]] video encoder by [[User:StefanG|Stefan Gehrer]] ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-July/033286.html
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54415/focus=124500


==  Lossless msmpeg4v3 to mpeg4 transcoder ==
==  Lossless msmpeg4v3 to mpeg4 transcoder ==
Line 90: Line 45:


== Fixed point cook decoder ==
== Fixed point cook decoder ==
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/46024
* http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/46024
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54008
* http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/53003/focus=46913
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54553
* http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54008
[[Category:FFmpeg]]
* http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54553


== GDI screen grabbing for Win32 ==
== GDI screen grabbing for Win32 ==
Line 100: Line 55:
There are two implementations in the thread above.
There are two implementations in the thread above.


== [[RealAudio sipr|RealAudio SIPR]] @16k decoder and demuxer by [[User:Voroshil|Vladimir Voroshilov]] ==
== [[MPEG-4 ALS]] encoder by [[User:Jruggle|Justin Ruggles]] ==
https://github.com/justinruggles/FFmpeg-alsenc


http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-September/052961.html
== Chromium security patches ==
Security/stability patches from Google's web browser
http://src.chromium.org/viewvc/chrome/trunk/deps/third_party/ffmpeg/


Expected to work with FFmpeg r15192
== TS ARIB STD-B24 caption decoder by Michael Wu ==


== [[QCELP]] reference decoder wrapper by Moriyoshi Koizumi ==
http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2009-October/062725.html


http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2006-December/020223.html
[[Category:FFmpeg]]
 
== Proper parsing of DTS-HD MA streams ==
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-November/056526.html

Latest revision as of 07:11, 26 March 2016

This page tries to collect some useful patches for FFmpeg that didn't make into the repository for some reason or another.

flicvideo encoder by Steven Johnson and Alex Beregszaszi

http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/44516 http://ffmpeg.org/pipermail/ffmpeg-devel/2007-February/025968.html

native Zlib decoder by Mans Rullgard

https://github.com/michaelni/FFmpeg/tree/inflate

WMV3 encoder by Denis Fortin

http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2007-June/031326.html

Apple RPZA encoder by Todd Kirby

http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/87327/focus=87771

PES packetizer by Xiaohui Sun

http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/52773/focus=56011

Part of the work of Summer Of Code TS Muxer

vf_imlib2: a libavfilter filter by Víctor Paesa

http://lists.mplayerhq.hu/pipermail/ffmpeg-soc/2007-December/002161.html

"mem" file protocol by Lagrange Multiplier

The "mem" protocol simply uses RAM as a source for input multimedia data, akin to how the "file" and "pipe" protocols use filesystem files and pipes as sources.

http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/49711

Presets/profiles for usual targets by Panagiotis Issaris

Allow to keep in a text file groups of command options, and apply them at once by specifying the target name.

Handy for iPod, PSP, or any other picky multimedia player that otherwise requires lengthy command lines.

http://article.gmane.org/gmane.comp.video.ffmpeg.devel/37244

H264 encoder by Jori Liesenborgs & Panagiotis Issaris

http://research.edm.uhasselt.be/~h264/

Chinese AVS video encoder by Stefan Gehrer

http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54415/focus=124500

Lossless msmpeg4v3 to mpeg4 transcoder

http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/17074

Fixed point cook decoder

GDI screen grabbing for Win32

http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/43589

There are two implementations in the thread above.

MPEG-4 ALS encoder by Justin Ruggles

https://github.com/justinruggles/FFmpeg-alsenc

Chromium security patches

Security/stability patches from Google's web browser http://src.chromium.org/viewvc/chrome/trunk/deps/third_party/ffmpeg/

TS ARIB STD-B24 caption decoder by Michael Wu

http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2009-October/062725.html