Accept only AAC and mp3 audio decoding on the DaVinci DSP

Signed-off-by: Jean-Paul Saman <jean-paul.saman@m2x.nl>

modules/codec/davinci/auddec.c

@@ -79,6 +79,17 @@ int OpenAudioDecoder( vlc_object_t *p_this )
     char *psz_engine = NULL;
     AUDDEC_Params params;
 
+    switch( p_dec->fmt_in.i_codec )
+    {
+        case VLC_FOURCC('m','p','4','a'):
+        case VLC_FOURCC('m','p','g','a'):
+            break;
+
+        default:
+            msg_Dbg( p_dec, "Unsupported codec : %4.4s",(char*)&p_dec->fmt_in.i_codec );
+            return VLC_EGENERIC;
+    }
+
     psz_codec = config_GetPsz( p_this, "davinci-auddec-codec" );
     if( psz_codec && !*psz_codec )
     {