[FFmpeg-user] theora question

Christian Ebert blacktrash at gmx.net
Wed Apr 25 10:18:18 CEST 2012

* Carl Eugen Hoyos on Wednesday, April 25, 2012 at 05:50:24 +0000
> Rick C. <rickcorteza <at> gmail.com> writes:
>> On Apr 24, 2012, at 2:08 PM, Tom Sparks wrote:
>>> use the true ffmpeg2theora transcoder
>> Actually I made a quick trial using this
>> and I didn't see a significant difference in speed? 
> Not very surprising given that ffmpeg2theora is using libtheora 
> and FFmpeg.
>> The same example I used previously which was getting
>> only 40fps was about the same with ffmpeg2theora. 
>> Quality was a bit better though. 
> That is indeed surprising.

I guess ffmpeg2theora has some theora spefic options in there.

The main difference I found is in seeking however: ffmpeg2theora
is much more reliable there. It probably uses OggIndex.

>> In general does theora just not take advantage of multithreading?
> Are you sure theora is the right choice for encoding?
> There should be better and faster codecs for every use case.

Not for html5 video in some older browsers (Firefox, Opera) which
will only accept ogg video.

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