On 24/07/14 02:39, Nicholas Young wrote:
> cat ./Method.aiff | avconv -i pipe:0 -map a -ar 48000 -c:a libopus -b:a 64k
> -f opus pipe:1 > ./Method2.opus
> 
> Requested output format 'opus' is not a suitable output format

Indeed it is not, you want to use "ogg"

> Note: this works just fine on ffmpeg. Can anyone shed light on why this
> doesn't seem to work in avconv?

I have no idea what they are doing but:


avconv -i file.aiff .... -c:a libopus  ... out.opus


works.

I think you are mixing up container format description and extension
mapping.

.opus is mapped to ogg already.

I hope it helps

lu
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