[gst-devel] Re: issue on alsasink in version 0.10.0

[rong w. <rho...@ya...>]

Forget to say, I used aplay application to play music
through alsa driver, it is just fine.
but when using gstreamer ALSA plugin, it hangs there.

Thanks

Rong

--- rong wang <rho...@ya...> wrote:

> I tried to run following command 
> gst-launch audiotestsrc ! alsasink
> 
> then there is no sound coming out, also, it hangs, I
> cannot use control-c to come out.
> 
> On the same board if I used following board
> gst-launch audiotestsrc ! osssink
> 
> then I can hear the sine tune coming out.
> 
> After running gst-launch audiotestsrc ! alsasink
> 
> I got following result:
> 
> gst_alsasink_get_typr
> gst_alsasink_base_init
> gst_alsasink_class_init
> gst_alsasink_init
> Setting pipeline to PAUSED ...
> gst_alsasink_open
> gst_alsasink_get_typr
> alsa sink open successfully
> Pipeline is PREROLLING ...
> gst_alsasink_prepare
> gst_alsasink_get_typr
> alsasink_parse_spec
> Negotiating to 1 channels @ 44100 Hzset_swparams
> Pipeline is PREROLLED ...
> Setting pipeline to PLAYING ...
> gst_alsasink_delay
> gst_alsasink_get_typr
> New clock: audioclock0
> gst_alsasink_get_typr
> gst_alsasink_write
> Just before snd_pcm_writei  operation
> 
> 
> some debug message are what I added in alsasink.c.
> currently, I know it never come back from
> snd_pcm_writei function.
> 
> Thanks for the advice in advance.
> 
> Rong
> 
> 
> 
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