mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/golomb: fix reading huge signed rice golomb values
No testcase is known, nor any case where such huge values would occur Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -367,7 +367,7 @@ static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit,
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static inline int get_sr_golomb(GetBitContext *gb, int k, int limit,
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int esc_len)
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{
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int v = get_ur_golomb(gb, k, limit, esc_len);
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unsigned v = get_ur_golomb(gb, k, limit, esc_len);
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return (v >> 1) ^ -(v & 1);
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}
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@ -377,7 +377,7 @@ static inline int get_sr_golomb(GetBitContext *gb, int k, int limit,
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static inline int get_sr_golomb_flac(GetBitContext *gb, int k, int limit,
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int esc_len)
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{
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int v = get_ur_golomb_jpegls(gb, k, limit, esc_len);
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unsigned v = get_ur_golomb_jpegls(gb, k, limit, esc_len);
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return (v >> 1) ^ -(v & 1);
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}
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