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g723_1dec: inline normalize_bits() in scale vector and optimize it.
many branches and cases of scale_vector are irrelevant for the case here and by inlining they can be reliably removed. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -257,7 +257,8 @@ static int scale_vector(int16_t *dst, const int16_t *vector, int length)
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for (i = 0; i < length; i++)
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max |= FFABS(vector[i]);
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bits = normalize_bits(max, 15);
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bits= 14 - av_log2_16bit(max);
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bits= FFMAX(bits, 0);
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for (i = 0; i < length; i++)
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dst[i] = vector[i] << bits >> 3;
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