[gst-cvs] gst-plugins-base: oggdemux: Correctly set DELTA_UNIT flag for OGM streams

[<sl...@ke...>]

Module: gst-plugins-base
Branch: master
Commit: a66ce94adcf337dfcc6c9c3845c1c2ad8a8d6d8f
URL:    http://cgit.freedesktop.org/gstreamer/gst-plugins-base/commit/?id=a66ce94adcf337dfcc6c9c3845c1c2ad8a8d6d8f

Author: Sebastian Dröge <seb...@co...>
Date:   Sat Jan 23 22:09:45 2010 +0100

oggdemux: Correctly set DELTA_UNIT flag for OGM streams

---

 ext/ogg/gstoggdemux.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/ext/ogg/gstoggdemux.c b/ext/ogg/gstoggdemux.c
index 0b60b40..936585d 100644
--- a/ext/ogg/gstoggdemux.c
+++ b/ext/ogg/gstoggdemux.c
@@ -483,6 +483,7 @@ gst_ogg_demux_chain_peer (GstOggPad * pad, ogg_packet * packet)
   gint offset;
   GstClockTime out_timestamp, out_duration;
   guint64 out_offset, out_offset_end;
+  gboolean delta_unit = FALSE;
 
   GST_DEBUG_OBJECT (ogg,
       "%p streaming to peer serial %08x", pad, pad->map.serialno);
@@ -530,6 +531,7 @@ gst_ogg_demux_chain_peer (GstOggPad * pad, ogg_packet * packet)
     }
 
     offset = 1 + (((data[0] & 0xc0) >> 6) | ((data[0] & 0x02) << 1));
+    delta_unit = (((data[0] & 0x08) >> 3) == 0);
   } else {
     offset = 0;
   }
@@ -604,6 +606,10 @@ gst_ogg_demux_chain_peer (GstOggPad * pad, ogg_packet * packet)
   if (ret != GST_FLOW_OK)
     goto no_buffer;
 
+  /* set delta flag for OGM content */
+  if (delta_unit)
+    GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
+
   /* copy packet in buffer */
   memcpy (buf->data, packet->packet + offset, packet->bytes - offset);