From cc2178e5c39f0c2da2d4d5dff14210d5934bcc32 Mon Sep 17 00:00:00 2001
From: Pierre Ossman <ossman@cendio.se>
Date: Wed, 22 Feb 2006 14:11:23 +0000
Subject: Support for setting volume on sources.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@560 fefdeb5f-60dc-0310-8127-8f9354f1896f
---
 src/polypcore/source.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

(limited to 'src/polypcore/source.c')

diff --git a/src/polypcore/source.c b/src/polypcore/source.c
index b70cb129..47325a1b 100644
--- a/src/polypcore/source.c
+++ b/src/polypcore/source.c
@@ -77,8 +77,13 @@ pa_source* pa_source_new(
     s->outputs = pa_idxset_new(NULL, NULL);
     s->monitor_of = NULL;
 
+    pa_cvolume_reset(&s->sw_volume, spec->channels);
+    pa_cvolume_reset(&s->hw_volume, spec->channels);
+
     s->get_latency = NULL;
     s->notify = NULL;
+    s->set_hw_volume = NULL;
+    s->get_hw_volume = NULL;
     s->userdata = NULL;
 
     r = pa_idxset_put(core->sources, s, &s->index);
@@ -110,6 +115,8 @@ void pa_source_disconnect(pa_source *s) {
 
     s->get_latency = NULL;
     s->notify = NULL;
+    s->get_hw_volume = NULL;
+    s->set_hw_volume = NULL;
     
     s->state = PA_SOURCE_DISCONNECTED;
     pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
@@ -173,7 +180,14 @@ void pa_source_post(pa_source*s, const pa_memchunk *chunk) {
     assert(chunk);
 
     pa_source_ref(s);
+
+    if (!pa_cvolume_is_norm(&s->sw_volume)) {
+        pa_memchunk_make_writable(chunk, s->core->memblock_stat, 0);
+        pa_volume_memchunk(chunk, &s->sample_spec, &s->sw_volume);
+    }
+
     pa_idxset_foreach(s->outputs, do_post, (void*) chunk);
+
     pa_source_unref(s);
 }
 
@@ -194,3 +208,40 @@ pa_usec_t pa_source_get_latency(pa_source *s) {
     return s->get_latency(s);
 }
 
+void pa_source_set_volume(pa_source *s, pa_mixer_t m, const pa_cvolume *volume) {
+    pa_cvolume *v;
+    
+    assert(s);
+    assert(s->ref >= 1);
+    assert(volume);
+
+    if (m == PA_MIXER_HARDWARE && s->set_hw_volume) 
+        v = &s->hw_volume;
+    else
+        v = &s->sw_volume;
+
+    if (pa_cvolume_equal(v, volume))
+        return;
+        
+    *v = *volume;
+
+    if (v == &s->hw_volume)
+        if (s->set_hw_volume(s) < 0)
+            s->sw_volume =  *volume;
+
+    pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+const pa_cvolume *pa_source_get_volume(pa_source *s, pa_mixer_t m) {
+    assert(s);
+    assert(s->ref >= 1);
+
+    if (m == PA_MIXER_HARDWARE && s->set_hw_volume) {
+
+        if (s->get_hw_volume)
+            s->get_hw_volume(s);
+        
+        return &s->hw_volume;
+    } else
+        return &s->sw_volume;
+}
-- 
cgit