Added mpeg2_is_sequence_header()

2 files changed, 17 insertions, 2 deletions

diff --git a/tools/mpeg.c b/tools/mpeg.c
index 01e4ca35..b3f58d96 100644
--- a/tools/mpeg.c
+++ b/tools/mpeg.c
@@ -4,7 +4,7 @@
  * See the main source file 'xineliboutput.c' for copyright information and
  * how to reach the author.
  *
- * $Id: mpeg.c,v 1.4 2010-02-02 22:42:09 phintuka Exp $
+ * $Id: mpeg.c,v 1.5 2012-12-31 16:42:45 phintuka Exp $
  *
  */
 
@@ -31,6 +31,17 @@ int mpeg2_get_picture_type(const uint8_t *buf, int len)
   return NO_PICTURE;
 }
 
+int mpeg2_is_sequence_header(const uint8_t *buf, int len)
+{
+  int i;
+  for (i = 0; i < len-6; i++) {
+    if (IS_SC_SEQUENCE(buf + i)) {
+      return 1;
+    }
+  }
+  return 0;
+}
+
 int mpeg2_get_video_size(const uint8_t *buf, int len, video_size_t *size)
 {
   int i;
diff --git a/tools/mpeg.h b/tools/mpeg.h
index 43251b09..c8ea13c3 100644
--- a/tools/mpeg.h
+++ b/tools/mpeg.h
@@ -4,7 +4,7 @@
  * See the main source file 'xineliboutput.c' for copyright information and
  * how to reach the author.
  *
- * $Id: mpeg.h,v 1.8 2010-02-03 13:49:39 phintuka Exp $
+ * $Id: mpeg.h,v 1.9 2012-12-31 16:42:45 phintuka Exp $
  *
  */
 
@@ -58,6 +58,10 @@ int mpeg2_get_picture_type(const uint8_t *buf, int len);
  */
 int mpeg2_get_video_size(const uint8_t *buf, int len, video_size_t *size);
 
+/*
+ * 
+ */
+int mpeg2_is_sequence_header(const uint8_t *buf, int len);
 
 #ifdef __cplusplus
 } /* extern "C" { */