Re: [rtcweb] H261/MPEG-1 video quality

Maik Merten <maikmerten@googlemail.com> Thu, 14 November 2013 20:30 UTC

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Date: Thu, 14 Nov 2013 21:29:58 +0100
From: Maik Merten <maikmerten@googlemail.com>
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Subject: Re: [rtcweb] H261/MPEG-1 video quality
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Am 14.11.2013 20:59, schrieb Justin Uberti:
> Thanks, this is interesting. Is the ffmpeg 261 encoder limited to
> CIF/QCIF, or can you specify arbitrary sizes?

As far as I know CIF/QCIF is hardcoded into the H.261 bitstream format, 
so there is nothing ffmpeg can do about it. The bitstream format of 
MPEG-1 Part 2 lifts this restriction.


Maik