mirror of https://git.ffmpeg.org/ffmpeg.git
avformat/hevc: Check cpb_cnt_minus1
Fixes CID1239014
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 2cddc0b19a
)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
parent
05eddbbc05
commit
f93412406f
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@ -189,7 +189,7 @@ static void skip_sub_layer_hrd_parameters(GetBitContext *gb,
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}
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}
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static void skip_hrd_parameters(GetBitContext *gb, uint8_t cprms_present_flag,
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static int skip_hrd_parameters(GetBitContext *gb, uint8_t cprms_present_flag,
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unsigned int max_sub_layers_minus1)
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{
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unsigned int i;
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@ -246,8 +246,11 @@ static void skip_hrd_parameters(GetBitContext *gb, uint8_t cprms_present_flag,
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else
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low_delay_hrd_flag = get_bits1(gb);
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if (!low_delay_hrd_flag)
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if (!low_delay_hrd_flag) {
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cpb_cnt_minus1 = get_ue_golomb_long(gb);
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if (cpb_cnt_minus1 > 31)
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return AVERROR_INVALIDDATA;
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}
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if (nal_hrd_parameters_present_flag)
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skip_sub_layer_hrd_parameters(gb, cpb_cnt_minus1,
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@ -257,6 +260,8 @@ static void skip_hrd_parameters(GetBitContext *gb, uint8_t cprms_present_flag,
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skip_sub_layer_hrd_parameters(gb, cpb_cnt_minus1,
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sub_pic_hrd_params_present_flag);
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}
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return 0;
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}
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static void skip_timing_info(GetBitContext *gb)
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