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avformat/matroskadec: Assert that num_levels is non negative
Maybe Closes: CID1452496 Uninitialized scalar variable Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 019fce18bb0628ac8bc47a81d647a23d604b6123) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -4207,7 +4207,7 @@ static int matroska_parse_cluster(MatroskaDemuxContext *matroska)
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MatroskaBlock *block = &cluster->block;
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int res;
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av_assert0(matroska->num_levels <= 2);
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av_assert0(matroska->num_levels <= 2U);
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if (matroska->num_levels == 1) {
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res = ebml_parse(matroska, matroska_segment, NULL);
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