* when playing back a sample from the sample cache, just take a pa_volume_t and not a pa_cvolume_t as argument for the volume. Usually it is not known to the player of theses samples how many channels it has, hence it doesn't make any sense to allow him to pass a by-channel volume structure here.

* fix volume calculation when playing samples from the sample cache


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@784 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 8 insertions, 9 deletions

diff --git a/src/polypcore/core-scache.c b/src/polypcore/core-scache.c
index 6632a171..9c407623 100644
--- a/src/polypcore/core-scache.c
+++ b/src/polypcore/core-scache.c
@@ -122,7 +122,8 @@ static pa_scache_entry* scache_add_item(pa_core *c, const char *name) {
     e->lazy = 0;
     e->last_used_time = 0;
 
-    memset(&e->sample_spec, 0, sizeof(pa_sample_spec));
+    memset(&e->sample_spec, 0, sizeof(e->sample_spec));
+    pa_channel_map_init(&e->channel_map);
     pa_cvolume_reset(&e->volume, PA_CHANNELS_MAX);
 
     return e;
@@ -240,7 +241,7 @@ void pa_scache_free(pa_core *c) {
         c->mainloop->time_free(c->scache_auto_unload_event);
 }
 
-int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, const pa_cvolume *volume) {
+int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, pa_volume_t volume) {
     pa_scache_entry *e;
     char *t;
     pa_cvolume r;
@@ -257,7 +258,9 @@ int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, const pa_cv
             return -1;
 
         pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE|PA_SUBSCRIPTION_EVENT_CHANGE, e->index);
-        e->volume.channels = e->sample_spec.channels;
+
+        if (e->volume.channels > e->sample_spec.channels)
+            e->volume.channels = e->sample_spec.channels;
     }
     
     if (!e->memchunk.memblock)
@@ -265,12 +268,8 @@ int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, const pa_cv
 
     t = pa_sprintf_malloc("sample:%s", name);
 
-    if (volume) {
-        r = *volume;
-        r.channels = e->volume.channels;
-        pa_sw_cvolume_multiply(&r, &r, &e->volume);
-    } else
-        r = e->volume;
+    pa_cvolume_set(&r, e->volume.channels, volume);
+    pa_sw_cvolume_multiply(&r, &r, &e->volume);
 
     if (pa_play_memchunk(sink, t, &e->sample_spec, &e->channel_map, &e->memchunk, &r) < 0) {
         pa_xfree(t);