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[client] audio/pw: implement volume and mute control

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This commit is contained in:
Geoffrey McRae 2021-12-25 20:37:52 +11:00
parent 433a5420cb
commit 64b64b61be
1 changed files with 33 additions and 6 deletions
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29
client/audiodevs/PipeWire/pipewire.c
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@ -21,6 +21,7 @@
#include "interface/audiodev.h" #include "interface/audiodev.h"
#include <spa/param/audio/format-utils.h> #include <spa/param/audio/format-utils.h>
#include <spa/param/props.h>
#include <pipewire/pipewire.h> #include <pipewire/pipewire.h>
#include "common/debug.h" #include "common/debug.h"
@ -236,6 +237,30 @@ static void pipewire_stop(void)
pw_thread_loop_unlock(pw.thread); pw_thread_loop_unlock(pw.thread);
} }
static void pipewire_volume(int channels, const uint16_t volume[])
{
if (channels != pw.channels)
return;
float param[channels];
for(int i = 0; i < channels; ++i)
{
//TODO: the scaling here is wrong and needs fixing
param[i] = (1.0f / 65535.0f) * volume[i];
}
pw_thread_loop_lock(pw.thread);
pw_stream_set_control(pw.stream, SPA_PROP_channelVolumes, channels, param, 0);
pw_thread_loop_unlock(pw.thread);
}
static void pipewire_mute(bool mute)
{
pw_thread_loop_lock(pw.thread);
pw_stream_set_control(pw.stream, SPA_PROP_mute, 1, (void *)&mute, 0);
pw_thread_loop_unlock(pw.thread);
}
struct LG_AudioDevOps LGAD_PipeWire = struct LG_AudioDevOps LGAD_PipeWire =
{ {
.name = "PipeWire", .name = "PipeWire",
@ -243,5 +268,7 @@ struct LG_AudioDevOps LGAD_PipeWire =
.free = pipewire_free, .free = pipewire_free,
.start = pipewire_start, .start = pipewire_start,
.play = pipewire_play, .play = pipewire_play,
.stop = pipewire_stop .stop = pipewire_stop,
.volume = pipewire_volume,
.mute = pipewire_mute
}; };