[spice-gtk PATCH v4 4/6] audio: pulse implements spice-audio get functions

[Victor Toso <victortoso@xxxxxxxxxx>]

As spice-pulse is aware of client volume changes, it can return the
updated value of volume and mute when requested.
---
 gtk/spice-pulse.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/gtk/spice-pulse.c b/gtk/spice-pulse.c
index 81a5588..24c3ab2 100644
--- a/gtk/spice-pulse.c
+++ b/gtk/spice-pulse.c
@@ -82,6 +82,10 @@ static const char *context_state_names[] = {
 static void stream_stop(SpicePulse *pulse, struct stream *s);
 static gboolean connect_channel(SpiceAudio *audio, SpiceChannel *channel);
 static void channel_weak_notified(gpointer data, GObject *where_the_object_was);
+static gboolean spice_pulse_get_playback_mute(SpiceAudio *audio);
+static guint16* spice_pulse_get_playback_volume(SpiceAudio *audio, guint8 *nchannels);
+static gboolean spice_pulse_get_record_mute(SpiceAudio *audio);
+static guint16* spice_pulse_get_record_volume(SpiceAudio *audio, guint8 *nchannels);
 
 static void spice_pulse_finalize(GObject *obj)
 {
@@ -149,6 +153,10 @@ static void spice_pulse_class_init(SpicePulseClass *klass)
     SpiceAudioClass *audio_class = SPICE_AUDIO_CLASS(klass);
 
     audio_class->connect_channel = connect_channel;
+    audio_class->get_playback_mute = spice_pulse_get_playback_mute;
+    audio_class->get_playback_volume = spice_pulse_get_playback_volume;
+    audio_class->get_record_mute = spice_pulse_get_record_mute;
+    audio_class->get_record_volume = spice_pulse_get_record_volume;
 
     gobject_class->finalize = spice_pulse_finalize;
     gobject_class->dispose = spice_pulse_dispose;
@@ -1041,3 +1049,51 @@ error:
     g_object_unref(pulse);
     return  NULL;
 }
+
+static gboolean spice_pulse_get_playback_mute(SpiceAudio *audio)
+{
+    SpicePulsePrivate *p = SPICE_PULSE(audio)->priv;
+    return p->playback.mute;
+}
+
+static guint16* spice_pulse_get_playback_volume(SpiceAudio *audio, guint8 *nchannels)
+{
+    SpicePulsePrivate *p = SPICE_PULSE(audio)->priv;
+    guint16 *volume;
+
+    if (nchannels != NULL)
+        *nchannels = p->playback.nchannels;
+
+    if (p->playback.nchannels == 0) {
+        SPICE_DEBUG("%s: Number of channels in playback is 0", __func__);
+        return NULL;
+    }
+
+    volume = g_new(guint16, p->playback.nchannels);
+    memcpy (volume, p->playback.volume, sizeof(guint16) * (p->playback.nchannels));
+    return volume;
+}
+
+static gboolean spice_pulse_get_record_mute(SpiceAudio *audio)
+{
+    SpicePulsePrivate *p = SPICE_PULSE(audio)->priv;
+    return p->record.mute;
+}
+
+static guint16* spice_pulse_get_record_volume(SpiceAudio *audio, guint8 *nchannels)
+{
+    SpicePulsePrivate *p = SPICE_PULSE(audio)->priv;
+    guint16 *volume;
+
+    if (nchannels != NULL)
+        *nchannels = p->record.nchannels;
+
+    if (p->record.nchannels == 0) {
+        SPICE_DEBUG("%s: Number of channels in record is 0", __func__);
+        return NULL;
+    }
+
+    volume = g_new(guint16, p->record.nchannels);
+    memcpy (volume, p->record.volume, sizeof(guint16) * (p->record.nchannels));
+    return volume;
+}
-- 
2.1.0

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