[FFmpeg-soc] [soc]: r375 - qcelp/qcelpdec.c

[reynaldo]

Author: reynaldo
Date: Wed Jul 11 22:26:02 2007
New Revision: 375

Log:
- Fixes outbound reading spoted by benjamin
- Sketches qcelp_compute_cdn()


Modified:
   qcelp/qcelpdec.c

Modified: qcelp/qcelpdec.c
==============================================================================
--- qcelp/qcelpdec.c	(original)
+++ qcelp/qcelpdec.c	Wed Jul 11 22:26:02 2007
@@ -149,10 +149,10 @@ void qcelp_ctc2GI(const QCELPFrame *fram
                 g0[i]=QCELP_CBGAIN2G0(cbgain[i]);
 
                 /* FIXME this needs to be further examinated */
-                if(frame->rate == RATE_HALF || !((i+1)%4))
-                    predictor=0;
-                else
+                if(frame->rate == RATE_FULL && i > 0 && !((i+1)%4))
                     predictor=av_clip(6, 38, (g1[i-1]+g1[i-2]+g1[i-3])/3);
+                else
+                    predictor=0;
 
                 g1[i]=g0[i]+predictor;
                 ga[i]=qcelp_g12ga[g1[i]];
@@ -196,6 +196,23 @@ void qcelp_ctc2GI(const QCELPFrame *fram
     }
 }
 
+/**
+ * Computes the scaled codebook vector Cdn From INDEX and GAIN
+ * For all rates
+ */
+static int qcelp_compute_cdn(qcelp_packet_rate rate, const float *gain,
+                             const int *index, float *cdn_vector)
+{
+    switch(rate)
+    {
+        case RATE_FULL:
+        case RATE_HALF:
+        break;
+        case RATE_QUARTER;
+        case RATE_OCTAVE;
+    }
+}
+
 static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
            int *data_size, uint8_t *buf, int buf_size)
 {