[meta-freescale] Question about hdmi audio playback

[Ray·Bloodworth]

Hi, Marco

   This command didn't work...

   gst-launch-1.0 filesrc location=/usr/share/sounds/alsa/Noise.wav ! wavparse ! audioconvert ! alsasink device=hw:1,0 
Setting pipeline to PAUSED ... 
ERROR: Pipeline doesn't want to pause. 
ERROR: from element /GstPipeline:pipeline0/GstAlsaSink:alsasink0: Could not open audio device for playback. 
Additional debug info: 
cortexa9-vfp-neon-mx6qdl-poky-linux-gnueabi/gstreamer1.0-plugins-base/1.4.1-r0/gst-plugins-base-1.4.1/ext/alsa/gstalsasink.c(859): gst_alsasink_open (): /GstPipeline:pipeline0/GstAlsaSink:alsasink0: 
Playback open error on device 'hw:1,0': Invalid argument 
Setting pipeline to NULL ... 
Freeing pipeline ...

  I also tested "hw:0,0", it was fine...
gst-launch-1.0 filesrc location=/usr/share/sounds/alsa/Noise.wav ! wavparse ! audioconvert ! alsasink device=hw:0,0 
Setting pipeline to PAUSED ... 
Pipeline is PREROLLING ... 
Pipeline is PREROLLED ... 
Setting pipeline to PLAYING ... 
New clock: GstAudioSinkClock 
Got EOS from element "pipeline0". 
Execution ended after 0:00:01.418903431 
Setting pipeline to PAUSED ... 
Setting pipeline to READY ... 
Setting pipeline to NULL ... 
Freeing pipeline ... 




Ray·Bloodworth

 
From: Marco Trillo
Date: 2014-12-17 19:12
To: Ray·Bloodworth
CC: meta-freescale
Subject: Re: [meta-freescale] Question about hdmi audio playback
Hello,
 
On 12/17/2014 12:07 PM, Ray·Bloodworth wrote:
> Hi, Marco
>    Thanks for your help!
>    >In which format is the audio in this *.wav file? It's quite possible
>    >that it is not supported by imx-hdmi-soc, in which case you can 
> try with
>    >gstreamer using audioconvert (gst-launch filesrc location=Noise.wav !
>    >/wavparse/ ! audioconvert ! /alsasink).
>
>    I have a question about this "gst-launch" command.
>    How dose this command line routing sound stream to imx-hdmi-soc 
> with alsasink?
 
Yeah, I forgot to include the `device' attribute. The correct command 
would be:
gst-launch filesrc location=Noise.wav ! wavparse ! audioconvert ! 
alsasink device=hw:1,0
 
Kind regards
Marco
 
 
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