aacdec: add default case in channel layout

Bug-Id: CID 732291
2014-10-30 00:52:01 +00:00 · 2014-10-30 00:52:01 +00:00 · 77ab341c0c
parent 930ffd46e1
commit 77ab341c0c
1 changed files with 3 additions and 0 deletions
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@ -624,6 +624,9 @@ static void decode_channel_map(uint8_t layout_map[][3],
        case AAC_CHANNEL_LFE:
            syn_ele = TYPE_LFE;
            break;
+        default:
+            // AAC_CHANNEL_OFF has no channel map
+            return;
        }
        layout_map[0][0] = syn_ele;
        layout_map[0][1] = get_bits(gb, 4);