aacenc: fix out of array writes

[ffmpeg] / libavcodec / ac3dsp.h

diff --git a/libavcodec/ac3dsp.h b/libavcodec/ac3dsp.h
index f0a6999ecbb8018ce89d354210d36a85bc8992fe..fbc63f61971ee106115efaf67fbc6bc141977875 100644 (file)
--- a/libavcodec/ac3dsp.h
+++ b/libavcodec/ac3dsp.h
@@ -131,6 +131,9 @@ typedef struct AC3DSPContext {
 
     void (*sum_square_butterfly_float)(float sum[4], const float *coef0,
                                        const float *coef1, int len);
+
+    void (*downmix)(float (*samples)[256], float (*matrix)[2], int out_ch,
+                    int in_ch, int len);
 } AC3DSPContext;
 
 void ff_ac3dsp_init    (AC3DSPContext *c, int bit_exact);