From 04b4353f07097895f232f5ef89fd1ec351d83e7e Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 29 Sep 2011 21:50:59 +0200
Subject: [PATCH] g723.1: very minor simplify of gen_acb_excitation()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavcodec/g723_1.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c
index 0aeea8798f4..b1679983e30 100644
--- a/libavcodec/g723_1.c
+++ b/libavcodec/g723_1.c
@@ -543,8 +543,8 @@ static void gen_acb_excitation(int16_t *vector, int16_t *prev_excitation,
/* Calculate adaptive vector */
cb_ptr += subfrm.ad_cb_gain * 20;
for (i = 0; i < SUBFRAME_LEN; i++) {
- sum = ff_dot_product(residual + i, cb_ptr, PITCH_ORDER)<<1;
- vector[i] = av_clipl_int32((sum << 1) + (1 << 15)) >> 16;
+ sum = ff_dot_product(residual + i, cb_ptr, PITCH_ORDER);
+ vector[i] = av_clipl_int32((sum << 2) + (1 << 15)) >> 16;
}
}
--
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