diff options
| -rw-r--r-- | libavformat/yuv4mpegdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/yuv4mpegdec.c b/libavformat/yuv4mpegdec.c index fc2f0ca054..eceb945bb1 100644 --- a/libavformat/yuv4mpegdec.c +++ b/libavformat/yuv4mpegdec.c @@ -326,6 +326,8 @@ static int yuv4_read_seek(AVFormatContext *s, int stream_index, if (flags & AVSEEK_FLAG_BACKWARD) pts = FFMAX(0, pts - 1); + if (pts < 0) + return -1; pos = pts * s->packet_size; if (avio_seek(s->pb, pos + s->internal->data_offset, SEEK_SET) < 0) |