"mix-matrix" is not working at audioconvert

[Sebastian Dröge]

On Tue, 2019-10-15 at 16:31 +0800, 周甫霖 wrote:
> Hi all,
> 
> I'm trying to play a stereo sound file as a mono sound.
> 
> In fact, I'd like to just play only one specific channel such as left
> or right channel.
> 
> I've tried following pipeline structure to achieve:
> 
> ```
> gst-launch-1.0 -v filesrc location=stereo.wav ! wavparse !
> audioconvert mix-matrix="<<(float)1.0, (float)0.0>, <(float)1.0,
> (float)0.0>>" ! audioresample ! autoaudiosink
> ```
> 
> But it seems not work.
> 
> The playback-sound heard just like it used to be.
> 
> I am wondering if I make some wrong usage?

Can you create an issue in gitlab about this? At least the
documentation needs to be improved as that's also how I would
understand how it is supposed to work :)

-- 
Sebastian Dröge, Centricular Ltd · https://www.centricular.com

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