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rdpsnd/pulse: support volume change.

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This commit is contained in:
Vic Lee 2012-05-30 00:22:58 +08:00
parent 229d4e0d3c
commit 2633484e8d
1 changed files with 19 additions and 0 deletions
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19
channels/rdpsnd/pulse/rdpsnd_pulse.c
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@ -395,6 +395,25 @@ static void rdpsnd_pulse_set_format(rdpsndDevicePlugin* device, rdpsndFormat* fo
static void rdpsnd_pulse_set_volume(rdpsndDevicePlugin* device, uint32 value)
{
rdpsndPulsePlugin* pulse = (rdpsndPulsePlugin*)device;
pa_cvolume cv;
pa_volume_t left;
pa_volume_t right;
pa_operation* operation;
if (!pulse->context || !pulse->stream)
return;
left = (pa_volume_t) (value & 0xFFFF);
right = (pa_volume_t) ((value >> 16) & 0xFFFF);
pa_cvolume_init(&cv);
cv.channels = 2;
cv.values[0] = PA_VOLUME_MUTED + (left * (PA_VOLUME_NORM - PA_VOLUME_MUTED)) / 0xFFFF;
cv.values[1] = PA_VOLUME_MUTED + (right * (PA_VOLUME_NORM - PA_VOLUME_MUTED)) / 0xFFFF;
operation = pa_context_set_sink_input_volume(pulse->context, pa_stream_get_index(pulse->stream), &cv, NULL, NULL);
if(operation)
pa_operation_unref(operation);
}
static void rdpsnd_pulse_play(rdpsndDevicePlugin* device, uint8* data, int size)