Changeset 923:e2a0e6eb72d7 in mediastreamer2

Timestamp:

Mar 25, 2010 3:36:08 PM (3 years ago)

Author:

Jehan Monnier <jehan.monnier@…>

Branch:

default

Message:

add gain getter to msvolume

Files:

• include/mediastreamer2/msvolume.h (modified) (1 diff)
• src/msvolume.c (modified) (2 diffs)

include/mediastreamer2/msvolume.h

@@ -62 +62 @@
 #define MS_VOLUME_SET_DB_GAIN           MS_FILTER_METHOD(MS_VOLUME_ID,13,float)
 
+/* get a linear gain */
+#define MS_VOLUME_GET_GAIN              MS_FILTER_METHOD(MS_VOLUME_ID,14,float)
+
 extern MSFilterDesc ms_volume_desc;
 

src/msvolume.c

@@ -214 +214 @@
 }
 
+static int volume_get_gain(MSFilter *f, void *arg){
+        float *farg=(float*)arg;
+        Volume *v=(Volume*)f->data;
+        *farg = v->gain;
+        return 0;
+}
 
 static int volume_get_ea_state(MSFilter *f, void *arg){
@@ -400 +406 @@
         {       MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,     volume_set_noise_gate_floorgain},
         {       MS_VOLUME_SET_DB_GAIN   ,       volume_set_db_gain              },
+        {       MS_VOLUME_GET_GAIN      ,       volume_get_gain         },
         {       0                       ,       NULL                    }
 };