| 753 | } |
| 754 | |
| 755 | void vdeintlve(const float * sourceP, float * realDestP, float * imagDestP, int framesToProcess) |
| 756 | { |
| 757 | int i = 0; |
| 758 | #if defined(ARM_NEON_INTRINSICS) |
| 759 | int j = 0; |
| 760 | int endSize = framesToProcess - framesToProcess % 4; |
| 761 | |
| 762 | while (i < endSize) |
| 763 | { |
| 764 | float32x4_t source1 = vld1q_f32(sourceP); |
| 765 | float32x4_t source2 = vld1q_f32(sourceP + 4); |
| 766 | |
| 767 | float32x4x2_t source = vuzpq_f32(source1, source2); |
| 768 | |
| 769 | vst1q_f32(realDestP + j, source.val[0]); |
| 770 | vst1q_f32(imagDestP + j, source.val[1]); |
| 771 | |
| 772 | sourceP += 8; |
| 773 | |
| 774 | i += 8; |
| 775 | j += 4; |
| 776 | } |
| 777 | #endif |
| 778 | int lenTail = framesToProcess / 2; |
| 779 | for (; i < lenTail; ++i) |
| 780 | { |
| 781 | int baseIndex = 2 * i; |
| 782 | realDestP[i] = sourceP[baseIndex]; |
| 783 | imagDestP[i] = sourceP[baseIndex + 1]; |
| 784 | } |
| 785 | } |
| 786 | |
| 787 | } // namespace VectorMath |
| 788 | |