Bug#775756: -ao pulse stopped producing audio; alsa and oss still work

[Josh Triplett]

On Tue, Jan 20, 2015 at 11:14:16AM -0300, Felipe Sateler wrote:
> On Tue, Jan 20, 2015 at 10:51 AM, Fabian Greffrath <fabian at greffrath.com> wrote:
> > Hi,
> >
> > Am Dienstag, den 20.01.2015, 10:11 -0300 schrieb Felipe Sateler:
> >> Pulseaudio remembers where a stream was playing to last time, and
> >> plugs the stream there.
> >
> > But then PA should be smart enough to realize when the device isn't even
> > connected anymore.
> 
> Define enough ;). As far as I can tell, pulseaudio does detect if the
> hdmi device is plugged or not. However, behavior is a bit strange
> because different logic applies at different times.
> 
> I'm guessing the problem here is that module-stream-restore is
> detecting it already knows about mplayer2, so it will move that stream
> to the hdmi device. However, being unplugged does not mean the HDMI
> device disappears (in cards where the hdmi device is a separate
> device). Therefore, silence.

If it helps: snd_hda_codec_hdmi.

At least in the PulseAudio control panel, the HDMI audio device did not
show up while I was observing the problem with mplayer2 not producing
audio output.

- Josh Triplett