Function CopyFrameRGB24

Source/Helper.cpp:446–482

}

void CopyFrameRGB24(const UINT lines, BYTE* dst, UINT dst_pitch, const BYTE* src, int src_pitch)
{
	UINT line_pixels  = abs(src_pitch) / 3;
	UINT line_pixels4 = line_pixels & ~(4u - 1);

	for (UINT y = 0; y < lines; ++y) {
		uint32_t* src32 = (uint32_t*)src;
		uint32_t* dst32 = (uint32_t*)dst;

		UINT i = 0;
		for (; i < line_pixels4; i += 4) {
			uint32_t sa = *src32++;
			uint32_t sb = *src32++;
			uint32_t sc = *src32++;

			*dst32++ = sa;
			*dst32++ = (sa >> 24) | (sb << 8);
			*dst32++ = (sb >> 16) | (sc << 16);
			*dst32++ = sc >> 8;
		}

		if (i < line_pixels) {
			if (line_pixels & 1) {
				*dst32 = *src32;
			} else {
				uint32_t sa = *src32++;
				uint32_t sb = *src32;

				*dst32++ = sa;
				*dst32 = (sa >> 24) | (sb << 8);
			}
		}

		src += src_pitch;
		dst += dst_pitch;
	}
}

void CopyFrameRGB24_SSSE3(const UINT lines, BYTE* dst, UINT dst_pitch, const BYTE* src, int src_pitch)
{