gst/flv/gstflvdemux.c: Go out of the parse loop as soon as we get an error instead of parsing until the GstAdapter is...

Original commit message from CVS:
* gst/flv/gstflvdemux.c: (gst_flv_demux_chain):
Go out of the parse loop as soon as we get an error instead
of parsing until the GstAdapter is empty.
Add some explanations about the header and tag size.
Don't print synchronizing message if everything is fine.

1 files changed, 9 insertions, 1 deletions

diff --git a/gst/flv/gstflvdemux.c b/gst/flv/gstflvdemux.c
index 896d8bf1..e8b229ea 100644
--- a/gst/flv/gstflvdemux.c
+++ b/gst/flv/gstflvdemux.c
@@ -57,7 +57,9 @@ GST_DEBUG_CATEGORY (flvdemux_debug);
 
 GST_BOILERPLATE (GstFLVDemux, gst_flv_demux, GstElement, GST_TYPE_ELEMENT);
 
+/* 9 bytes of header + 4 bytes of first previous tag size */
 #define FLV_HEADER_SIZE 13
+/* 1 byte of tag type + 3 bytes of tag data size */
 #define FLV_TAG_TYPE_SIZE 4
 
 static void
@@ -177,7 +179,7 @@ gst_flv_demux_chain (GstPad * pad, GstBuffer * buffer)
     demux->offset = 0;
   }
 
-  if (G_UNLIKELY (demux->offset == 0)) {
+  if (G_UNLIKELY (demux->offset == 0 && GST_BUFFER_OFFSET (buffer) != 0)) {
     GST_DEBUG_OBJECT (demux, "offset was zero, synchronizing with buffer's");
     demux->offset = GST_BUFFER_OFFSET (buffer);
   }
@@ -185,11 +187,17 @@ gst_flv_demux_chain (GstPad * pad, GstBuffer * buffer)
   gst_adapter_push (demux->adapter, buffer);
 
 parse:
+  if (G_UNLIKELY (ret != GST_FLOW_OK)) {
+    GST_DEBUG_OBJECT (demux, "got flow return %s", gst_flow_get_name (ret));
+    goto beach;
+  }
+
   if (G_UNLIKELY (demux->flushing)) {
     GST_DEBUG_OBJECT (demux, "we are now flushing, exiting parser loop");
     ret = GST_FLOW_WRONG_STATE;
     goto beach;
   }
+
   switch (demux->state) {
     case FLV_STATE_HEADER:
     {