mlp: Define End-of-Stream code in common header file and use it in decoder.

Originally committed as revision 14763 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/mlp.h

@@ -56,6 +56,9 @@
 */
 #define MAX_FILTER_ORDER    8
 
+/** Code that signals end of a stream. */
+#define END_OF_STREAM       0xd234d234
+
 #define FIR 0
 #define IIR 1
 

libavcodec/mlpdec.c

@@ -990,7 +990,7 @@ static int read_access_unit(AVCodecContext *avctx, void* data, int *data_size,
 
         skip_bits(&gb, (-get_bits_count(&gb)) & 15);
         if (substream_data_len[substr] * 8 - get_bits_count(&gb) >= 32 &&
-            (show_bits_long(&gb, 32) == 0xd234d234 ||
+            (show_bits_long(&gb, 32) == END_OF_STREAM ||
              show_bits_long(&gb, 20) == 0xd234e)) {
             skip_bits(&gb, 18);
             if (substr == m->max_decoded_substream)