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Remove ff_acelp_weighted_filter() which is just a function wrapping a 1

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line loop.

Originally committed as revision 14895 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-08-21 23:22:11 +00:00
parent 5038ecb1f1
commit cd523888f3
2 changed files with 0 additions and 26 deletions
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11
libavcodec/acelp_filters.c
View File

@ -141,17 +141,6 @@ int ff_acelp_lp_synthesis_filter(
return 0; return 0;
} }
void ff_acelp_weighted_filter(
int16_t *out,
const int16_t* in,
const int16_t *weight_pow,
int filter_length)
{
int n;
for(n=0; n<filter_length; n++)
out[n] = (in[n] * weight_pow[n] + 0x4000) >> 15; /* (3.12) = (0.15) * (3.12) with rounding */
}
void ff_acelp_high_pass_filter( void ff_acelp_high_pass_filter(
int16_t* out, int16_t* out,
int hpf_f[2], int hpf_f[2],

15
libavcodec/acelp_filters.h
View File

@ -104,21 +104,6 @@ int ff_acelp_lp_synthesis_filter(
int stop_on_overflow, int stop_on_overflow,
int rounder); int rounder);
/**
* Calculates coefficients of weighted A(z/weight) filter.
* @param out [out] weighted A(z/weight) result
* filter (-0x8000 <= (3.12) < 0x8000)
* @param in source filter (-0x8000 <= (3.12) < 0x8000)
* @param weight_pow array containing weight^i (-0x8000 <= (0.15) < 0x8000)
* @param filter_length filter length (11 for 10th order LP filter)
*
* out[i]=weight_pow[i]*in[i] , i=0..9
*/
void ff_acelp_weighted_filter(
int16_t *out,
const int16_t* in,
const int16_t *weight_pow,
int filter_length);
/** /**
* high-pass filtering and upscaling (4.2.5 of G.729). * high-pass filtering and upscaling (4.2.5 of G.729).