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avcodec/hevc: fix chroma transform_add size

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Fixes accessing misaligned address
Fixes: signal_sigsegv_1feb99c_10_signal_sigsegv_2d1d35c_79_cov_691940146_EXT_A_ericsson_3.bit

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit df8394c693d3c1e13b7ebf6af01c5e55321cf952)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-10-04 16:17:32 +02:00
parent 279003eb9e
commit e2e0c5b7f6
1 changed files with 2 additions and 2 deletions
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libavcodec/hevc.c
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@ -978,7 +978,7 @@ static int hls_transform_unit(HEVCContext *s, int x0, int y0,
for (i = 0; i < (size * size); i++) {
coeffs[i] = ((lc->tu.res_scale_val * coeffs_y[i]) >> 3);
}
s->hevcdsp.transform_add[log2_trafo_size-2](dst, coeffs, stride);
s->hevcdsp.transform_add[log2_trafo_size_c-2](dst, coeffs, stride);
}
}
@ -1007,7 +1007,7 @@ static int hls_transform_unit(HEVCContext *s, int x0, int y0,
for (i = 0; i < (size * size); i++) {
coeffs[i] = ((lc->tu.res_scale_val * coeffs_y[i]) >> 3);
}
s->hevcdsp.transform_add[log2_trafo_size-2](dst, coeffs, stride);
s->hevcdsp.transform_add[log2_trafo_size_c-2](dst, coeffs, stride);
}
}
} else if (blk_idx == 3) {