3 files changed, 14 insertions, 1 deletions
diff --git a/gst-libs/gst/mixer/mixer.c b/gst-libs/gst/mixer/mixer.c
index cbdfdad4..7412ca28 100644
--- a/gst-libs/gst/mixer/mixer.c
+++ b/gst-libs/gst/mixer/mixer.c
@@ -96,6 +96,8 @@ gst_mixer_class_init (GstMixerClass *klass)
     initialized = TRUE;
   }
 
+  klass->mixer_type = GST_MIXER_SOFTWARE;
+  
   /* default virtual functions */
   klass->list_tracks = NULL;
   klass->set_volume = NULL;
diff --git a/gst-libs/gst/mixer/mixer.h b/gst-libs/gst/mixer/mixer.h
index cfc16875..3af55ab7 100644
--- a/gst-libs/gst/mixer/mixer.h
+++ b/gst-libs/gst/mixer/mixer.h
@@ -40,11 +40,21 @@ G_BEGIN_DECLS
 #define GST_MIXER_GET_CLASS(inst) \
   (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_MIXER, GstMixerClass))
 
+#define GST_MIXER_TYPE(klass) (klass->mixer_type)
+
 typedef struct _GstMixer GstMixer;
 
+typedef enum
+{
+  GST_MIXER_HARDWARE,
+  GST_MIXER_SOFTWARE
+} GstMixerType;
+
 typedef struct _GstMixerClass {
   GTypeInterface klass;
 
+  GstMixerType mixer_type;
+  
   /* virtual functions */
   const GList *  (* list_tracks)   (GstMixer      *mixer);
 
diff --git a/gst-libs/gst/mixer/mixertrack.h b/gst-libs/gst/mixer/mixertrack.h
index 94304cf2..0e05d9cb 100644
--- a/gst-libs/gst/mixer/mixertrack.h
+++ b/gst-libs/gst/mixer/mixertrack.h
@@ -60,7 +60,8 @@ typedef enum {
   GST_MIXER_TRACK_OUTPUT = (1<<1),
   GST_MIXER_TRACK_MUTE   = (1<<2),
   GST_MIXER_TRACK_RECORD = (1<<3),
-  GST_MIXER_TRACK_MASTER = (1<<4)
+  GST_MIXER_TRACK_MASTER = (1<<4),
+  GST_MIXER_TRACK_SOFTWARE = (1<<5)
 } GstMixerTrackFlags;
 
 #define GST_MIXER_TRACK_HAS_FLAG(channel, flag) \