sanity checks for seeking

Originally committed as revision 4927 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago · 53f7c43fcc
parent d8a91afd36
commit 53f7c43fcc
1 changed files with 6 additions and 0 deletions
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@ -1348,6 +1348,12 @@ int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts
        pos_limit= pos_max;
    }

+    if(ts_min > ts_max){
+        return -1;
+    }else if(ts_min == ts_max){
+        pos_limit= pos_min;
+    }
+
    no_change=0;
    while (pos_min < pos_limit) {
 #ifdef DEBUG_SEEK