avcodec/clearvideo: display warning if decoder overreads input
authorPaul B Mahol <onemda@gmail.com>
Tue, 24 Apr 2018 15:20:26 +0000 (17:20 +0200)
committerPaul B Mahol <onemda@gmail.com>
Tue, 24 Apr 2018 15:20:26 +0000 (17:20 +0200)
Signed-off-by: Paul B Mahol <onemda@gmail.com>
libavcodec/clearvideo.c

index b4bfa3b..0e3c772 100644 (file)
@@ -637,6 +637,9 @@ static int clv_decode_frame(AVCodecContext *avctx, void *data,
 
     *got_frame = 1;
 
+    if (get_bits_left(&c->gb) < 0)
+        av_log(c->avctx, AV_LOG_WARNING, "overread %d\n", -get_bits_left(&c->gb));
+
     return mb_ret < 0 ? mb_ret : buf_size;
 }