lavf/utils: rewrite real fps calculation code.

[ffmpeg] / libavformat / nsvdec.c

diff --git a/libavformat/nsvdec.c b/libavformat/nsvdec.c
index bf03cecc0d474acc045a4c52943f99fd3e644a77..b3bb31fd2298b9783ee17c0e921fe2ac7a78c3b6 100644 (file)
--- a/libavformat/nsvdec.c
+++ b/libavformat/nsvdec.c
@@ -703,7 +703,9 @@ static int nsv_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
     if(index < 0)
         return -1;
 
-    avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET);
+    if (avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET) < 0)
+        return -1;
+
     nst->frame_offset = st->index_entries[index].timestamp;
     nsv->state = NSV_UNSYNC;
     return 0;