[Ffmpeg-devel] Re: Re: Re: [theora-dev] Theora encoding in FFmpeg

Måns Rullgård mru
Mon Jan 1 23:19:53 CET 2007


"Paul Richards" <paul.richards at gmail.com> writes:

> On 01/01/07, Robert Swain <robert.swain at gmail.com> wrote:
>> Hey,
>>
>> Michael Niedermayer wrote:
>> > also it is _very_ important to use postprocessing on the decoder side for
>> > mpeg4 asp (theora and h.264 have their own "postprocessing" in loop filter
>> > build in) mplayer -vf spp=X or -vf pp is something you could try
>>
>> Can the loop filter in theora be disabled? That's another option
>> for comparison I suppose.
>>
>> >> Compared against ffmpeg's "h264" (libx264), there was no
>> >> clear winner (part of the problem was that I couldn't get h264 to
>> >
>> > the default options for x264 encoding with ffmpeg are VERY bad, there
>> > should be some recommanded command line parameters for ffmpeg-x264
>> > somewhere i think (no i dont remember where ...)
>>
>> I made some notes here:
>> http://rob.opendot.cl/index.php/useful-stuff/ffmpeg-x264-encoding-guide/
>>
>> It and the interface could probably do with a little updating to
>> encompass bime, mixed refs and anything else that was added.
>>
>
> I did not mean to spark a debate about which codecs are better and
> what set of options need to be applied to get there.  I just wanted to
> defend my choice to hook up Theora by pointing out that it's roughly
> up there with mpeg4 and h264 (both very popular).

That would all be fine, were it not for the fact that it is not true.

-- 
M?ns Rullg?rd
mru at inprovide.com




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