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ac3dec: use get_sbits() instead of manually sign-extending
Signed-off-by: Mans Rullgard <mans@mansr.com>
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@ -505,9 +505,9 @@ static void ac3_decode_transform_coeffs_ch(AC3DecodeContext *s, int ch_index, ma
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mantissa = b5_mantissas[get_bits(gbc, 4)];
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break;
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default: /* 6 to 15 */
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mantissa = get_bits(gbc, quantization_tab[bap]);
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/* Shift mantissa and sign-extend it. */
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mantissa = (mantissa << (32-quantization_tab[bap]))>>8;
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mantissa = get_sbits(gbc, quantization_tab[bap]);
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mantissa <<= 24 - quantization_tab[bap];
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break;
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}
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coeffs[freq] = mantissa >> exps[freq];
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