> I have tried to add the audio device when the client is connected, but I
> can't do it while the virtual machine is running, and I can't keep the
> client connected whith the machine turned off or during a reboot.
>
> I'm using virt-manager to do this and I don't know if there's another
> way to do it, if not, is there a way to tell spice to always use opus?
I can't think of a way to do it from the command line or by adjusting
anything. I would test my theory to see if it's right, first.
Unfortunately, I can only think of a source code change to test that.
The attached patch to qemu should do that; it forces the frequency to
48000. That won't inherently force Opus, but if Celt is used, things
will sound squeaky :-).
Cheers,
Jeremy
diff --git a/audio/spiceaudio.c b/audio/spiceaudio.c
index 7b79bed..2a057c2 100644
--- a/audio/spiceaudio.c
+++ b/audio/spiceaudio.c
@@ -120,11 +120,8 @@ static int line_out_init (HWVoiceOut *hw, struct audsettings *as)
SpiceVoiceOut *out = container_of (hw, SpiceVoiceOut, hw);
struct audsettings settings;
-#if SPICE_INTERFACE_PLAYBACK_MAJOR > 1 || SPICE_INTERFACE_PLAYBACK_MINOR >= 3
settings.freq = spice_server_get_best_playback_rate(NULL);
-#else
- settings.freq = SPICE_INTERFACE_PLAYBACK_FREQ;
-#endif
+ settings.freq = 48000; /* HACK */
settings.nchannels = SPICE_INTERFACE_PLAYBACK_CHAN;
settings.fmt = AUD_FMT_S16;
settings.endianness = AUDIO_HOST_ENDIANNESS;
@@ -135,9 +132,7 @@ static int line_out_init (HWVoiceOut *hw, struct audsettings *as)
out->sin.base.sif = &playback_sif.base;
qemu_spice_add_interface (&out->sin.base);
-#if SPICE_INTERFACE_PLAYBACK_MAJOR > 1 || SPICE_INTERFACE_PLAYBACK_MINOR >= 3
spice_server_set_playback_rate(&out->sin, settings.freq);
-#endif
return 0;
}
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