From 823a514161747fb05a39054283570469d40d6d58 Mon Sep 17 00:00:00 2001
From: Zaheer Abbas Merali <zaheerabbas@merali.org>
Date: Wed, 9 Jun 2010 22:40:23 +0200
Subject: [PATCH] matroskamux: some non-delta buffers were not marked as
 keyframes

---
 gst/matroska/matroska-mux.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gst/matroska/matroska-mux.c b/gst/matroska/matroska-mux.c
index 265eb18..e3d9ab1 100644
--- a/gst/matroska/matroska-mux.c
+++ b/gst/matroska/matroska-mux.c
@@ -2681,13 +2681,15 @@ gst_matroska_mux_write_data (GstMatroskaMux * mux, GstMatroskaPad * collect_pad)
 
     return gst_ebml_last_write_result (ebml);
   } else {
+    int flags =
+        GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT) ? 0 : 0x80;
     gst_ebml_write_set_cache (ebml, GST_BUFFER_SIZE (buf) * 2);
     /* write and call order slightly unnatural,
      * but avoids seek and minizes pushing */
     blockgroup = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_BLOCKGROUP);
     hdr =
         gst_matroska_mux_create_buffer_header (collect_pad->track,
-        relative_timestamp, 0);
+        relative_timestamp, flags);
     if (write_duration) {
       gst_ebml_write_uint (ebml, GST_MATROSKA_ID_BLOCKDURATION,
           gst_util_uint64_scale (block_duration, 1, mux->time_scale));
-- 
2.7.4