Bug#575600: ffmpeg: Please add ffmpeg-mt for multithreading support

Reinhard Tartler siretart at tauware.de
Sun Apr 24 05:30:48 UTC 2011


tags 575600 -wontfix upstream
stop

On Sat, Apr 23, 2011 at 22:47:00 (CEST), Moritz Mühlenhoff wrote:

> On Sat, Mar 27, 2010 at 05:26:21PM +0100, Reinhard Tartler wrote:
>> tags 575600 wontfix
>> stop
>> 
>> On Sa, Mar 27, 2010 at 16:07:28 (CET), Henri wrote:
>> 
>> > Subject: Please add ffmpeg-mt for multithreading support
>> > Package: ffmpeg
>> > Version: 4:0.5.1-3
>> > Severity: wishlist
>> >
>> > ffmpeg-mt enabled mutithreaded decoding for ffmpeg. This is necesary for
>> > watch e.g. h264 movies with huge bitrates (+10000kbit/s).
>> > ffmpeg-mt is currently located here: http://gitorious.org/ffmpeg/ffmpeg-mt
>> >
>> > Description on http://gitorious.org/ffmpeg/ffmpeg-mt:
>> > Experimental multithreaded decoding branch of FFmpeg, based on a project
>> > for Google SoC 2008. See mt-work/todo.txt for remaining tasks.
>> >
>> > Please consider adding it to the official repositories.
>> 
>> thank you for you report.
>> 
>> unfortunately, ffmpeg-mt is not really supported by ffmpeg upstream, and
>> known to cause various regressions depending on the exact date of the
>> snapshot. For these reason, I consider ffmpeg-mt unreasonable to
>> package.
>
> ffmpeg-mt has been merged into ffmpeg mainline. I suppose the same will
> happen for libav (or has happened already?), so this should no longer
> be wontfix?

It has been partly integrated into both branches, mplayer2 still prefers
ffmpeg-mt, which (so I suppose) is because of the regressions introduced
by the merge. Libav has actually started merging it even earlier, but is
still missing important codecs like h264-mt, which is currently being
worked on very hard. For instance, vp8-mt has been posted for review
just yesterday.

With this, I'm updating the tags of this bugs.

-- 
Gruesse/greetings,
Reinhard Tartler, KeyID 945348A4





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