[FFmpeg-devel] [PATCH v2 2/2] avcodec/hevcdec: detect non-conformant missing refs

From: Xiaolei Yu <dreifachstein@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH v2 2/2] avcodec/hevcdec: detect non-conformant missing refs
Date: Sat, 16 Apr 2022 16:31:48 +0800
Message-ID: <2912b6c6-7563-ad01-833d-9ae628ffdc11@gmail.com> (raw)
In-Reply-To: <2237ca87-c339-b00c-1562-5c49faee0987@gmail.com>


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For cases which prefer rejecting broken bitstreams.
---
 libavcodec/hevc_refs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/hevc_refs.c b/libavcodec/hevc_refs.c
index 84a21991c7..9f8b6022c4 100644
--- a/libavcodec/hevc_refs.c
+++ b/libavcodec/hevc_refs.c
@@ -439,6 +439,8 @@ static int add_candidate_ref(HEVCContext *s, RefPicList *list,
             return 0;
 
         av_log(s->avctx, AV_LOG_ERROR, "Could not find ref with POC %d\n", poc);
+        if (s->avctx->err_recognition & AV_EF_COMPLIANT)
+            return AVERROR_INVALIDDATA;
 
         ref = generate_missing_ref(s, poc);
         if (!ref)
-- 
2.35.1


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