firefox-43 && no sound on MP3, MP4, HTML5

[Jan Beich]

Matthias Apitz <guru at unixarea.de> writes:

> El día Sunday, May 01, 2016 a las 11:01:50AM +0200, Jan Beich escribió:
>
>> Matthias Apitz <guru at unixarea.de> writes:
>> 
>> > I: [(null)] sink-input.c: Created input 0 "AudioStream" on
>> > oss_output.dsp0 with sample spec float32le 2ch 48000Hz and channel map
>> > front-left,front-right
>> > I: [(null)] sink-input.c:     media.name = "AudioStream"
>> > I: [(null)] sink-input.c:     application.process.binary = "firefox"
>> 
>> Firefox uses oss_output.dsp0 sink or /dev/dsp0 but without knowing the
>> value of hw.snd.default_unit it's not very useful. For details, run
>> 
>>   $ pkg info -D pulseaudio
>
> Which says:
> ...
> o change the default sink (output):
> # pacmd set-default-sink 3
> To change the default source (input):
> # pacmd set-default-source 3
[...]
> I have tested there in the file 0 and 1, without much more sound. How
> can I get and understand the correct values to put into the file?

Can you show the output of the following command? According to sound(4) man
page the value determines which of /dev/dsp0, /dev/dsp1, ... /dev/dspN
audio samples are fed to by default.

  $ sysctl hw.snd.default_unit

pkg-message can actually be improved to suggest

  $ pacmd set-default-sink $(sysctl -n hw.snd.default_unit)
  $ pacmd set-default-source $(sysctl -n hw.snd.default_unit)
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