[FFmpeg-devel] [PATCH 2/2] lavc/hevc_mp4toannexb: Simplify error check

Andriy Gelman andriy.gelman at gmail.com
Tue Dec 3 23:33:56 EET 2019


From: Andriy Gelman <andriy.gelman at gmail.com>

Signed-off-by: Andriy Gelman <andriy.gelman at gmail.com>
---
 libavcodec/hevc_mp4toannexb_bsf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavcodec/hevc_mp4toannexb_bsf.c b/libavcodec/hevc_mp4toannexb_bsf.c
index 36fd6f0b15c..49daf4a616c 100644
--- a/libavcodec/hevc_mp4toannexb_bsf.c
+++ b/libavcodec/hevc_mp4toannexb_bsf.c
@@ -152,8 +152,7 @@ static int hevc_mp4toannexb_filter(AVBSFContext *ctx, AVPacket *out)
         extra_size    = add_extradata * ctx->par_out->extradata_size;
         got_irap     |= is_irap;
 
-        if (INT_MAX < 4 + nalu_size ||
-            INT_MAX - 4 < extra_size + nalu_size) {
+        if (INT_MAX < 4 + nalu_size + extra_size) {
             ret = AVERROR_INVALIDDATA;
             goto fail;
         }
-- 
2.24.0



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