From 6e7a7f3d9bc2031b4c93c05400b18775ba1b1f55 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marc-Andr=C3=A9=20Lureau?= Date: Tue, 17 Apr 2012 14:32:43 +0200 Subject: [PATCH] Allow controlling volume with PulseAudio backend Signed-off-by: Marc-Andr? Lureau Signed-off-by: malc --- audio/paaudio.c | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 94 insertions(+), 5 deletions(-) diff --git a/audio/paaudio.c b/audio/paaudio.c index 6f50c1c..e6708d0 100644 --- a/audio/paaudio.c +++ b/audio/paaudio.c @@ -677,15 +677,103 @@ static void qpa_fini_in (HWVoiceIn *hw) static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...) { - (void) hw; - (void) cmd; + PAVoiceOut *pa = (PAVoiceOut *) hw; + pa_operation *op; + pa_cvolume v; + paaudio *g = &glob_paaudio; + + pa_cvolume_init (&v); + + switch (cmd) { + case VOICE_VOLUME: + { + SWVoiceOut *sw; + va_list ap; + + va_start (ap, cmd); + sw = va_arg (ap, SWVoiceOut *); + va_end (ap); + + v.channels = 2; + v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX; + v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX; + + pa_threaded_mainloop_lock (g->mainloop); + + op = pa_context_set_sink_input_volume (g->context, + pa_stream_get_index (pa->stream), + &v, NULL, NULL); + if (!op) + qpa_logerr (pa_context_errno (g->context), + "set_sink_input_volume() failed\n"); + else + pa_operation_unref (op); + + op = pa_context_set_sink_input_mute (g->context, + pa_stream_get_index (pa->stream), + sw->vol.mute, NULL, NULL); + if (!op) { + qpa_logerr (pa_context_errno (g->context), + "set_sink_input_mute() failed\n"); + } else { + pa_operation_unref (op); + } + + pa_threaded_mainloop_unlock (g->mainloop); + } + } return 0; } static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...) { - (void) hw; - (void) cmd; + PAVoiceIn *pa = (PAVoiceIn *) hw; + pa_operation *op; + pa_cvolume v; + paaudio *g = &glob_paaudio; + + pa_cvolume_init (&v); + + switch (cmd) { + case VOICE_VOLUME: + { + SWVoiceIn *sw; + va_list ap; + + va_start (ap, cmd); + sw = va_arg (ap, SWVoiceIn *); + va_end (ap); + + v.channels = 2; + v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX; + v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX; + + pa_threaded_mainloop_lock (g->mainloop); + + /* FIXME: use the upcoming "set_source_output_{volume,mute}" */ + op = pa_context_set_source_volume_by_index (g->context, + pa_stream_get_device_index (pa->stream), + &v, NULL, NULL); + if (!op) { + qpa_logerr (pa_context_errno (g->context), + "set_source_volume() failed\n"); + } else { + pa_operation_unref(op); + } + + op = pa_context_set_source_mute_by_index (g->context, + pa_stream_get_index (pa->stream), + sw->vol.mute, NULL, NULL); + if (!op) { + qpa_logerr (pa_context_errno (g->context), + "set_source_mute() failed\n"); + } else { + pa_operation_unref (op); + } + + pa_threaded_mainloop_unlock (g->mainloop); + } + } return 0; } @@ -822,5 +910,6 @@ struct audio_driver pa_audio_driver = { .max_voices_out = INT_MAX, .max_voices_in = INT_MAX, .voice_size_out = sizeof (PAVoiceOut), - .voice_size_in = sizeof (PAVoiceIn) + .voice_size_in = sizeof (PAVoiceIn), + .ctl_caps = VOICE_VOLUME_CAP }; -- 2.7.4