From f09fdf2d9c0f5acc60c4572b6d7bb211f7a2aca0 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Tue, 24 Apr 2018 17:20:26 +0200 Subject: [PATCH] avcodec/clearvideo: display warning if decoder overreads input Signed-off-by: Paul B Mahol --- libavcodec/clearvideo.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/clearvideo.c b/libavcodec/clearvideo.c index b4bfa3bda3..0e3c772123 100644 --- a/libavcodec/clearvideo.c +++ b/libavcodec/clearvideo.c @@ -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; }