Difference between revisions of "Interesting Patches"

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(Add 2 new patches)
(oops- looks like the feature is in, just not well known)
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== v210 decoder patches ==
== v210 decoder patches ==
[http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54195 http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54195]
[http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54195 http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/54195]
== DVCPRO HD decoding ==
[http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-January/039985.html http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-January/039985.html]

Revision as of 20:55, 14 February 2009

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

native Zlib decoder by Mans Rullgard


In the same thread, there are patches to use the native decoder in several FFmpeg decoders.

WMV3 encoder by Denis Fortin


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


Test Pattern Generator Demuxer by Nicholas George


Test Pattern Generator Demuxer by 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


Part of the work of Summer Of Code TS Muxer

Imlib2script: a scriptable vhook by Víctor Paesa


vf_imlib2: a libavfilter filter by Víctor Paesa


File concatenation by Wolfram Gloger


"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.


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.


PiP (Picture in Picture): a vhook filter by Mihail Stoyanov


AMV encoder


See this post [1] to see what is missing to get it into SVN.

Electronic Arts Formats demuxer/decoder by 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 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


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 Peter Ross


Note: An updated patch is under development by User:DrV based on an updated patch by the original author.

G722 decoder by Chas Williams


It is basically an adaptation to FFmpeg of the SirenDSP decoder.

Chinese AVS video encoder by Stefan Gehrer


Lossless msmpeg4v3 to mpeg4 transcoder


Fixed point cook decoder

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/54553

GDI screen grabbing for Win32


There are two implementations in the thread above.

RealAudio SIPR @16k decoder and demuxer by Vladimir Voroshilov


Expected to work with FFmpeg r15192

QCELP reference decoder wrapper by Moriyoshi Koizumi


Proper parsing of DTS-HD MA streams


ACELP.net and G.729 decoder


pitch lag decoding

vectors operations

G.729 core

G.729 tables

G.729 postfilter

G.729D decoder

v210 decoder patches