+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];
+ }
+}
+