[FFmpeg-user] Number of channels

[Paul Figgiani]

Thank You ...

> Date: Tue, 5 Mar 2013 20:54:04 +0000
> From: 23liam at googlemail.com
> To: ffmpeg-user at ffmpeg.org
> Subject: Re: [FFmpeg-user] Number of channels
> 
> >> I'm looking to display just the audio file channel info, not the rest of the data. Is this possible?
> >Look for the grep command. It's à filter
> 
> I would recommend using ffprobe. To show information about the first
> audio stream in a file:
> 
> ffprobe input.file -show_streams -select_streams a:0
> 
> As Henk wrote, you could use grep to find the information you wanted,
> this is easier with ffprobe since it outputs a single key=value pair
> per line. To find the number of audio channels (on Linux / OSX / other
> Unix-like):
> 
> ffprobe input.file -show_streams -select_streams a:0 | grep 'channels='
> 
> or, to strip out the 'channels=' and get only the number of channels,
> you could use sed instead:
> 
> ffprobe input.file -show_streams -select_streams a:0 | sed -n
> '/channels=/s/channels=//p'
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