[FFmpeg-cvslog] r15283 - trunk/libavformat/matroskadec.c

[aurel]

Author: aurel
Date: Tue Sep  9 14:07:10 2008
New Revision: 15283

Log:
matroskadec: ensure that overlapping subtitle are not added to the index


Modified:
   trunk/libavformat/matroskadec.c

Modified: trunk/libavformat/matroskadec.c
==============================================================================
--- trunk/libavformat/matroskadec.c	(original)
+++ trunk/libavformat/matroskadec.c	Tue Sep  9 14:07:10 2008
@@ -139,6 +139,7 @@ typedef struct {
     EbmlList encodings;
 
     AVStream *stream;
+    int64_t end_timecode;
 } MatroskaTrack;
 
 typedef struct {
@@ -1462,8 +1463,12 @@ static int matroska_parse_block(Matroska
     if (cluster_time != (uint64_t)-1
         && (block_time >= 0 || cluster_time >= -block_time)) {
         timecode = cluster_time + block_time;
+        if (track->type == MATROSKA_TRACK_TYPE_SUBTITLE
+            && timecode < track->end_timecode)
+            is_keyframe = 0;  /* overlapping subtitles are not key frame */
         if (is_keyframe)
             av_add_index_entry(st, cluster_pos, timecode, 0,0,AVINDEX_KEYFRAME);
+        track->end_timecode = FFMAX(track->end_timecode, timecode+duration);
     }
 
     if (matroska->skip_to_keyframe) {