matroskadec: remove useless check for cluster presence

Originally committed as revision 14583 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index b187f70..83d6352 100644 (file)
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1305,10 +1305,6 @@ matroska_read_header (AVFormatContext    *s,
         return -1;
     matroska_execute_seekhead(matroska);
 
-    /* Have we found a cluster? */
-    if (ebml_peek_id(matroska, NULL) != MATROSKA_ID_CLUSTER)
-        return -1;
-
     if (matroska->duration)
         matroska->ctx->duration = matroska->duration * matroska->time_scale
                                   * 1000 / AV_TIME_BASE;