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dsputil: Move apply_window_int16 to ac3dsp

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The (optimized) functions are used nowhere else.
This commit is contained in:
Diego Biurrun
2013-12-06 12:22:40 +00:00
parent 120797e2ef
commit 4958f35a2e
13 changed files with 86 additions and 116 deletions
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15
libavcodec/ac3dsp.c
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@@ -23,6 +23,7 @@
#include "avcodec.h"
#include "ac3.h"
#include "ac3dsp.h"
#include "mathops.h"
static void ac3_exponent_min_c(uint8_t *exp, int num_reuse_blocks, int nb_coefs)
{
@@ -196,6 +197,19 @@ static void ac3_downmix_c(float **samples, float (*matrix)[2],
}
}
static void apply_window_int16_c(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len)
{
int i;
int len2 = len >> 1;
for (i = 0; i < len2; i++) {
int16_t w = window[i];
output[i] = (MUL16(input[i], w) + (1 << 14)) >> 15;
output[len-i-1] = (MUL16(input[len-i-1], w) + (1 << 14)) >> 15;
}
}
av_cold void ff_ac3dsp_init(AC3DSPContext *c, int bit_exact)
{
c->ac3_exponent_min = ac3_exponent_min_c;
@@ -208,6 +222,7 @@ av_cold void ff_ac3dsp_init(AC3DSPContext *c, int bit_exact)
c->compute_mantissa_size = ac3_compute_mantissa_size_c;
c->extract_exponents = ac3_extract_exponents_c;
c->downmix = ac3_downmix_c;
c->apply_window_int16 = apply_window_int16_c;
if (ARCH_ARM)
ff_ac3dsp_init_arm(c, bit_exact);