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avcodec/h264_refs: Clear stale pointers from ref_list

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Testcase: poc10.bin

Reported-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2026-04-30 14:52:15 +02:00
committed by michaelni
parent a780d46d3b
commit 1886c3269d
1 changed files with 2 additions and 4 deletions
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libavcodec/h264_refs.c
+2 -4
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@@ -156,8 +156,7 @@ static void h264_initialise_ref_list(H264Context *h, H264SliceContext *sl)
h->long_ref, 16, 1, h->picture_structure);
av_assert0(len <= 32);
if (len < sl->ref_count[list])
memset(&sl->ref_list[list][len], 0, sizeof(H264Ref) * (sl->ref_count[list] - len));
memset(&sl->ref_list[list][len], 0, sizeof(H264Ref) * (32 - len));
lens[list] = len;
}
@@ -178,8 +177,7 @@ static void h264_initialise_ref_list(H264Context *h, H264SliceContext *sl)
h-> long_ref, 16, 1, h->picture_structure);
av_assert0(len <= 32);
if (len < sl->ref_count[0])
memset(&sl->ref_list[0][len], 0, sizeof(H264Ref) * (sl->ref_count[0] - len));
memset(&sl->ref_list[0][len], 0, sizeof(H264Ref) * (32 - len));
}
#ifdef TRACE
for (int i = 0; i < sl->ref_count[0]; i++) {