@@ -61,7 +61,7 @@ typedef struct AACEncContext {

     int16_t *samples;                            ///< saved preprocessed input

     int samplerate_index;                        ///< MPEG-4 samplerate index

-    uint8_t *chan_map;                           ///< channel configuration map

+    const uint8_t *chan_map;                     ///< channel configuration map

     ChannelElement *cpe;                         ///< channel elements

     FFPsyContext psy;