Hello, With this patch alsa output works for me.
Thanks, Eugeniy Meshcheryakov 25 березня 2009 о 00:31 +0100 Samuel Thibault написав(-ла): > Samuel Thibault, le Tue 24 Mar 2009 23:43:41 +0100, a écrit : > > The alsa case is quite odd, we're getting > > ioctl(5, SNDRV_PCM_IOCTL_READI_FRAMES, 0x7fc0937b1fc0) = -1 EPIPE (Broken > > pipe) > > I haven't found why yet. > > Ok, I've resorted to putting printks in the kernel, which got me to > snd_pcm_pre_start() which calls snd_pcm_playback_data where > > runtime->stop_threshold >= runtime->boundary > > is not true because stop_threshold is 0x7fffffff, while > runtime->boundary is 0x4800000000000000. The attached patch fixes it. > > Samuel > --- chuck-1.2.0.8.dfsg/src/rtaudio.cpp.orig 2009-03-25 00:22:20.000000000 > +0100 > +++ chuck-1.2.0.8.dfsg/src/rtaudio.cpp 2009-03-25 00:22:26.000000000 > +0100 > @@ -4047,7 +4047,7 @@ > snd_pcm_sw_params_alloca( &sw_params ); > snd_pcm_sw_params_current( handle, sw_params ); > snd_pcm_sw_params_set_start_threshold( handle, sw_params, *bufferSize ); > - snd_pcm_sw_params_set_stop_threshold( handle, sw_params, 0x7fffffff ); > + snd_pcm_sw_params_set_stop_threshold( handle, sw_params, LONG_MAX ); > snd_pcm_sw_params_set_silence_threshold( handle, sw_params, 0 ); > snd_pcm_sw_params_set_silence_size( handle, sw_params, INT_MAX ); > err = snd_pcm_sw_params( handle, sw_params );
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