[FFmpeg-cvslog] r19829 - trunk/libavformat/seek.c

[schreter]

Author: schreter
Date: Sun Sep 13 10:57:30 2009
New Revision: 19829

Log:
Use I/O buffer size as initial value for backoff for seeking sync point search.

Modified:
   trunk/libavformat/seek.c

Modified: trunk/libavformat/seek.c
==============================================================================
--- trunk/libavformat/seek.c	Sat Sep 12 22:10:02 2009	(r19828)
+++ trunk/libavformat/seek.c	Sun Sep 13 10:57:30 2009	(r19829)
@@ -342,8 +342,8 @@ int64_t ff_gen_syncpoint_search(AVFormat
 
     // Find keyframes in all active streams with timestamp/position just before
     // and just after requested timestamp/position.
-    step = 1024;
-    curpos = pos;
+    step = s->pb->buffer_size;
+    curpos = FFMAX(pos - step / 2, 0);
     for (;;) {
         url_fseek(s->pb, curpos, SEEK_SET);
         search_hi_lo_keyframes(s,