Merge remote-tracking branch 'shariman/wmall'

[ffmpeg] / libavcodec / mlp_parser.c

diff --git a/libavcodec/mlp_parser.c b/libavcodec/mlp_parser.c
index 151841a103a65abe12afea0df65c3d90cd0f4f38..f31e2d572782ad5b3a63b60b639c250eef5c6068 100644 (file)
--- a/libavcodec/mlp_parser.c
+++ b/libavcodec/mlp_parser.c
@@ -79,13 +79,13 @@ static const uint64_t thd_layout[13] = {
     AV_CH_LOW_FREQUENCY,                                    // LFE
     AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,                       // LRs
     AV_CH_TOP_FRONT_LEFT|AV_CH_TOP_FRONT_RIGHT,             // LRvh
-    AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,                       // LRc
+    AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER, // LRc
     AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT,                       // LRrs
     AV_CH_BACK_CENTER,                                      // Cs
-    AV_CH_TOP_BACK_CENTER,                                  // Ts
-    AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,                       // LRsd
-    AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER, // LRw
-    AV_CH_TOP_BACK_CENTER,                                  // Cvh
+    AV_CH_TOP_CENTER,                                       // Ts
+    AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,                       // LRsd - TODO: Surround Direct
+    AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER, // LRw  - TODO: Wide
+    AV_CH_TOP_FRONT_CENTER,                                 // Cvh
     AV_CH_LOW_FREQUENCY                                     // LFE2
 };
 
@@ -107,7 +107,7 @@ static int truehd_channels(int chanmap)
     return channels;
 }
 
-int64_t ff_truehd_layout(int chanmap)
+uint64_t ff_truehd_layout(int chanmap)
 {
     int layout = 0, i;
 
@@ -263,6 +263,9 @@ static int mlp_parse(AVCodecParserContext *s,
         mp->bytes_left = ((mp->pc.index > 0 ? mp->pc.buffer[0] : buf[0]) << 8)
                        |  (mp->pc.index > 1 ? mp->pc.buffer[1] : buf[1-mp->pc.index]);
         mp->bytes_left = (mp->bytes_left & 0xfff) * 2;
+        if (mp->bytes_left <= 0) { // prevent infinite loop
+            goto lost_sync;
+        }
         mp->bytes_left -= mp->pc.index;
     }