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g723.1: use MULL(a,b,15) for MULL2()

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idea by vitor
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer
2011-09-29 21:46:37 +02:00
parent cb58adaaa3
commit 631eee6e90
1 changed files with 1 additions and 1 deletions
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libavcodec/g723_1.c
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@@ -324,7 +324,7 @@ static void inverse_quant(int16_t *cur_lsp, int16_t *prev_lsp,
* @param b 16 bit multiplier * @param b 16 bit multiplier
*/ */
#define MULL2(a, b) \ #define MULL2(a, b) \
((((a) >> 16) * (b) << 1) + (((a) & 0xffff) * (b) >> 15)) MULL(a,b,15)
/** /**
* Convert LSP frequencies to LPC coefficients. * Convert LSP frequencies to LPC coefficients.