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));
}
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;
float mul, int len);
/**
+ * Convert an array of int32_t to float and multiply by a float value from another array,
+ * stepping along the float array once for each 8 integers.
+ * @param c pointer to FmtConvertContext.
+ * @param dst destination array of float.
+ * constraints: 16-byte aligned
+ * @param src source array of int32_t.
+ * constraints: 16-byte aligned
+ * @param mul source array of float multipliers.
+ * @param len number of elements to convert.
+ * constraints: multiple of 8
+ */
+ void (*int32_to_float_fmul_array8)(struct FmtConvertContext *c,
+ float *dst, const int32_t *src,
+ const float *mul, int len);
+
+ /**
* Convert an array of float to an array of int16_t.
*
* Convert floats from in the range [-32768.0,32767.0] to ints