Changeset 216

Timestamp:

05/20/08 09:56:11 (4 months ago)

Author:

sip

Message:

AMR silence frame pathc for audio shortening problems.

Files:

• app_h324m/app_h324m.c (modified) (2 diffs)

app_h324m/app_h324m.c

@@ -185 +185 @@
-        unsigned char* data = 0;
-
+        /* 1st dummy AMR-SID frame (comfort noise) */
+        static unsigned char last_amr_sti[6] = { 0x78, 0x46, 0x00, 0x94, 0xA4, 0x07 };
+        
+
-        /* Get data & size */
-        unsigned char * framedata = FrameGetData(frame);
@@ -214 +218 @@
-                        /*Get mode*/
-                        unsigned char mode = header & 0x0F;
+                
+                        /* Check silence frames */      
+                        if (mode==8 && framelength==6) {
+                                /* save AMR-SID frame */      
+                                memcpy( last_amr_sti, framedata, 6 );                   
+                        } else if (mode==15) { 
+                                /* AMR No-Data packet --> replace with last AMR-SID */
+                                mode = 8;
+                                framelength = 6;
+                                framedata = last_amr_sti;                               
+                        }
+                        
-                        /*Get number of stuffing bits*/
-                        unsigned int stuf = if2stuffing[mode];