#include "avcodec.h"
#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 void int32_to_float_fmul_array8_c(FmtConvertContext *c, float *dst,
+ const int32_t *src, const float *mul,
+ int len)
+{
+ int i;
+ for (i = 0; i < len; i += 8)
+ c->int32_to_float_fmul_scalar(&dst[i], &src[i], *mul++, 8);
+}
+
static av_always_inline int float_to_int16_one(const float *src){
return av_clip_int16(lrintf(*src));
}
}
}
+void ff_float_interleave_c(float *dst, const float **src, unsigned int len,
+ int channels)
+{
+ 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];
+ }
+}
+
av_cold void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx)
{
c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c;
+ c->int32_to_float_fmul_array8 = int32_to_float_fmul_array8_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;
if (ARCH_ARM) ff_fmt_convert_init_arm(c, avctx);
- if (HAVE_ALTIVEC) ff_fmt_convert_init_altivec(c, avctx);
- if (HAVE_MMX) ff_fmt_convert_init_x86(c, avctx);
+ if (ARCH_PPC) ff_fmt_convert_init_ppc(c, avctx);
+ if (ARCH_X86) ff_fmt_convert_init_x86(c, avctx);
}