Exemplos de vst1_lane_u8 em C++ (Cpp)

Exemplo n.º 1

Arquivo: vst1_laneu8.c Projeto: Akheon23/chromecast-mirrored-source.toolchain

void test_vst1_laneu8 (void)
{
  uint8_t *arg0_uint8_t;
  uint8x8_t arg1_uint8x8_t;

  vst1_lane_u8 (arg0_uint8_t, arg1_uint8x8_t, 1);
}

Exemplo n.º 2

Arquivo: msvideo_neon.c Projeto: Amini-Philips/mediastreamer2

void rotate_down_scale_cbcr_to_cr_cb(int wDest, int hDest, int full_width, uint8_t* cbcr_src, uint8_t* cr_dst, uint8_t* cb_dst,bool_t clockWise,bool_t down_scale) {
#ifdef __ARM_NEON__
	int hSrc = down_scale?wDest*2:wDest;
	int wSrc = down_scale?hDest*2:hDest;
	int src_stride = 2*full_width;

	int signed_dst_stride;
	int incr;
	int y_step=down_scale?2:1;


	if (clockWise) {
		/* ms_warning("start writing destination buffer from top right");*/
		cb_dst += wDest - 1;
		cr_dst += wDest - 1;
		incr = 1;
		signed_dst_stride = wDest;
	} else {
		/* ms_warning("start writing destination buffer from top right");*/
		cb_dst += wDest * (hDest - 1);
		cr_dst += wDest * (hDest - 1);
		incr = -1;
		signed_dst_stride = -wDest;
	}

	int x,y;
	for (y=0; y<hSrc; y+=y_step) {
		uint8_t* cb_dst2 = cb_dst;
		uint8_t* cr_dst2 = cr_dst;
		for (x=0; x<2*wSrc; x+=16) {
			uint8x8x2_t tmp = vld2_u8 (cbcr_src+x);

			vst1_lane_u8 (cb_dst2, tmp.val[0], 0);
			vst1_lane_u8 (cr_dst2, tmp.val[1], 0);
			cb_dst2+=signed_dst_stride;
			cr_dst2+=signed_dst_stride;
			if (!down_scale) {
				vst1_lane_u8 (cb_dst2, tmp.val[0], 1);
				vst1_lane_u8 (cr_dst2, tmp.val[1], 1);
				cb_dst2+=signed_dst_stride;
				cr_dst2+=signed_dst_stride;
			}
			vst1_lane_u8 (cb_dst2, tmp.val[0], 2);
			vst1_lane_u8 (cr_dst2, tmp.val[1], 2);
			cb_dst2+=signed_dst_stride;
			cr_dst2+=signed_dst_stride;
			if (!down_scale) {
				vst1_lane_u8 (cb_dst2, tmp.val[0], 3);
				vst1_lane_u8 (cr_dst2, tmp.val[1], 3);
				cb_dst2+=signed_dst_stride;
				cr_dst2+=signed_dst_stride;
			}
			vst1_lane_u8 (cb_dst2, tmp.val[0], 4);
			vst1_lane_u8 (cr_dst2, tmp.val[1], 4);
			cb_dst2+=signed_dst_stride;
			cr_dst2+=signed_dst_stride;
			if (!down_scale) {
				vst1_lane_u8 (cb_dst2, tmp.val[0], 5);
				vst1_lane_u8 (cr_dst2, tmp.val[1], 5);
				cb_dst2+=signed_dst_stride;
				cr_dst2+=signed_dst_stride;
			}
			vst1_lane_u8 (cb_dst2, tmp.val[0], 6);
			vst1_lane_u8 (cr_dst2, tmp.val[1], 6);
			cb_dst2+=signed_dst_stride;
			cr_dst2+=signed_dst_stride;
			if (!down_scale) {
				vst1_lane_u8 (cb_dst2, tmp.val[0], 7);
				vst1_lane_u8 (cr_dst2, tmp.val[1], 7);
				cb_dst2+=signed_dst_stride;
				cr_dst2+=signed_dst_stride;
			}
		}
		cb_dst -= incr;
		cr_dst -= incr;
		cbcr_src += src_stride*y_step;
	}
#else
	ms_error("Neon function '%s' used without hw neon support", __FUNCTION__);
#endif
}