Hi,

I'm using avconv to convert an OGV to an AVI so that it can
be edited in avidemux. I'm doing the following:

avconv -i in.ogv -mbd rd -trellis 2 -cmp 2 -subcmp 2 -g 100 -pass 1 -b 256k 
out.avi

followed by a pass 2.

It looks OK but really I'd like to specify an even higher bitrate.
This is not the final version, just a sort of 'master' for editing.

But if I specify "-b 512k" (for example), I get an error message:

  "Error while opening encoder for output stream #0:1 - maybe incorrect
   parameters such as bit_rate, rate, width or height"

Is there a way round this? Or another suggestion to achieve a high quality
version that avidemux will work with?

Thanks,
James
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