Changeset 2149:3ccece948dfd in roaraudio

Timestamp:

07/24/09 16:13:21 (15 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

added need_vol_change()

Location:

roard

Files:

• include/mixer.h (modified) (1 diff)
• mixer.c (modified) (1 diff)

roard/include/mixer.h

@@ -40 +40 @@
 int change_vol_32bit (void * output, void * input, int samples, int channels, struct roar_mixer_settings * set);
 
+int need_vol_change  (int channels, struct roar_mixer_settings * set);
+
 #endif
 

roard/mixer.c

@@ -236 +236 @@
 }
 
+int need_vol_change  (int channels, struct roar_mixer_settings * set) {
+ int i;
+
+ if ( set == NULL || channels < 1 || channels > ROAR_MAX_CHANNELS )
+  return -1;
+
+ if ( set->rpg_mul != set->rpg_div )
+  return 1;
+
+ for (i = 0; i < channels; i++)
+  if ( set->mixer[i] != set->scale )
+   return 1;
+
+ return 0;
+}
 
 //ll