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avcodec/alsdec: fix some undefined shifts

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2017-07-03 11:48:13 +02:00
parent c3f10ea4bb
commit cbbd330abc

View File

@ -761,7 +761,7 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
}
for (k = 2; k < opt_order; k++)
quant_cof[k] = (quant_cof[k] << 14) + (add_base << 13);
quant_cof[k] = (quant_cof[k] * (1 << 14)) + (add_base << 13);
}
}
@ -866,7 +866,7 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
res >>= 1;
if (cur_k) {
res <<= cur_k;
res *= 1 << cur_k;
res |= get_bits_long(gb, cur_k);
}
}