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authorMichael Niedermayer <michaelni@gmx.at>2011-09-29 21:50:59 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-09-29 21:50:59 +0200
commit04b4353f07097895f232f5ef89fd1ec351d83e7e (patch)
treed775cfcc72ab08b306580c72508605af87b7baa3 /libavcodec/g723_1.c
parent631eee6e90bafb5baf8dfff5d85bf774d940b1d8 (diff)
downloadffmpeg-04b4353f07097895f232f5ef89fd1ec351d83e7e.tar.gz
g723.1: very minor simplify of gen_acb_excitation()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/g723_1.c')
-rw-r--r--libavcodec/g723_1.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c
index 0aeea8798f..b1679983e3 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;
}
}