Interesting Patches: Difference between revisions

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== Proper parsing of DTS-HD MA streams ==

Revision as of 20:37, 12 January 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, originally at, now removed.

Apple RPZA encoder by Todd Kirby

Test Pattern Generator Demuxer by Nicholas George

Test Pattern Generator Demuxer by Ramiro Ribeiro Polla Or

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 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

Patch at

H264 encoder by Jori Liesenborgs & Panagiotis Issaris

DTS/AC3 in wav autodetection Clean up this patch and also add detection of AC3 in wav, it is similar. Samples for both can be found here:

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

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