mlp: fix channel order.

This fixes a regression introduced with todays merge
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/mlp_parser.c

@@ -157,6 +157,7 @@ int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, GetBitContext *gb)
 
         skip_bits(gb, 11);
 
+        mh->channel_arrangement=
         channel_arrangement    = get_bits(gb, 5);
         mh->channels_mlp       = mlp_channels[channel_arrangement];
         mh->channel_layout_mlp = ff_mlp_layout[channel_arrangement];
@@ -170,6 +171,7 @@ int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, GetBitContext *gb)
 
         skip_bits(gb, 8);
 
+        mh->channel_arrangement=
         channel_arrangement            = get_bits(gb, 5);
         mh->channels_thd_stream1       = truehd_channels(channel_arrangement);
         mh->channel_layout_thd_stream1 = ff_truehd_layout(channel_arrangement);

libavcodec/mlp_parser.h

@@ -39,6 +39,7 @@ typedef struct MLPHeaderInfo
     int group1_samplerate;                  ///< Sample rate of first substream
     int group2_samplerate;                  ///< Sample rate of second substream (MLP only)
 
+    int channel_arrangement;
     int channels_mlp;                       ///< Channel count for MLP streams
     int channels_thd_stream1;               ///< Channel count for substream 1 of TrueHD streams ("6-channel presentation")
     int channels_thd_stream2;               ///< Channel count for substream 2 of TrueHD streams ("8-channel presentation")

libavcodec/mlpdec.c

@@ -386,7 +386,7 @@ static int read_major_sync(MLPDecodeContext *m, GetBitContext *gb)
         }
     }
 
-    m->needs_reordering = mh.channels_mlp >= 18 && mh.channels_mlp <= 20;
+    m->needs_reordering = mh.channel_arrangement >= 18 && mh.channel_arrangement <= 20;
 
     return 0;
 }