[FFmpeg-devel] [PATCH] Override container information for mpeg type codecs
Tue Oct 19 08:18:03 CEST 2010
On Fri, 2010-10-15 at 14:29 -0700, Baptiste Coudurier wrote:
> Hi Benjamin,
> On 10/15/2010 04:41 AM, Benjamin Larsson wrote:
> > $topic, sample file here:
> > http://tranquillity.ath.cx/files/mono-mp2.mp4
> This file is stereo and decodes fine using ffmpeg.
> What's the problem ?
The problem is that it is mono, not stereo. Try playing it in ffplay,
then try playing it with the patch..
I don't remember the exact line I used, but the following will recreate
ffmpeg -i http://samples.mplayerhq.hu/DV-raw/voxnews.dv -ac 1 -acodec
As a comparison, swapping -acodec for aac makes the output be correctly
detected as mono.
Not sure why Benjamin dropped the patch - there is a problem and the
patch fixes it.
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