#include "fmtconvert.h"
#include "libavutil/common.h"
-static void int32_to_float_fmul_scalar_c(float *dst, const int *src, float mul, int len){
+static void int32_to_float_fmul_scalar_c(float *dst, const int32_t *src,
+ float mul, int len)
+{
int i;
for(i=0; i<len; i++)
dst[i] = src[i] * mul;
}
-static av_always_inline int float_to_int16_one(const float *src){
- return av_clip_int16(lrintf(*src));
-}
-
-static void float_to_int16_c(int16_t *dst, const float *src, long len)
+static void int32_to_float_c(float *dst, const int32_t *src, intptr_t len)
{
int i;
- for(i=0; i<len; i++)
- dst[i] = float_to_int16_one(src+i);
-}
-static void float_to_int16_interleave_c(int16_t *dst, const float **src,
- long len, int channels)
-{
- int i,j,c;
- if(channels==2){
- for(i=0; i<len; i++){
- dst[2*i] = float_to_int16_one(src[0]+i);
- dst[2*i+1] = float_to_int16_one(src[1]+i);
- }
- }else{
- for(c=0; c<channels; c++)
- for(i=0, j=c; i<len; i++, j+=channels)
- dst[j] = float_to_int16_one(src[c]+i);
- }
+ for (i = 0; i < len; i++)
+ dst[i] = (float)src[i];
}
-void ff_float_interleave_c(float *dst, const float **src, unsigned int len,
- int channels)
+static void int32_to_float_fmul_array8_c(FmtConvertContext *c, float *dst,
+ const int32_t *src, const float *mul,
+ int len)
{
- int j, c;
- unsigned int i;
- if (channels == 2) {
- for (i = 0; i < len; i++) {
- dst[2*i] = src[0][i];
- dst[2*i+1] = src[1][i];
- }
- } else if (channels == 1 && len < INT_MAX / sizeof(float)) {
- memcpy(dst, src[0], len * sizeof(float));
- } else {
- for (c = 0; c < channels; c++)
- for (i = 0, j = c; i < len; i++, j += channels)
- dst[j] = src[c][i];
- }
+ int i;
+ for (i = 0; i < len; i += 8)
+ c->int32_to_float_fmul_scalar(&dst[i], &src[i], *mul++, 8);
}
av_cold void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx)
{
+ c->int32_to_float = int32_to_float_c;
c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c;
- c->float_to_int16 = float_to_int16_c;
- c->float_to_int16_interleave = float_to_int16_interleave_c;
- c->float_interleave = ff_float_interleave_c;
+ c->int32_to_float_fmul_array8 = int32_to_float_fmul_array8_c;
- if (ARCH_ARM) ff_fmt_convert_init_arm(c, avctx);
- if (HAVE_ALTIVEC) ff_fmt_convert_init_altivec(c, avctx);
- if (ARCH_X86) ff_fmt_convert_init_x86(c, avctx);
+ if (ARCH_AARCH64)
+ ff_fmt_convert_init_aarch64(c, avctx);
+ if (ARCH_ARM)
+ ff_fmt_convert_init_arm(c, avctx);
+ if (ARCH_PPC)
+ ff_fmt_convert_init_ppc(c, avctx);
+ if (ARCH_X86)
+ ff_fmt_convert_init_x86(c, avctx);
}