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Revision 229 - (download) (annotate)
Thu Jun 20 14:05:58 2002 UTC (17 years, 2 months ago) by suxen_drol
Original Path: trunk/xvidcore/src/motion/motion_comp.c
File size: 12355 byte(s)
bframe patch
// 01.05.2002   updated MBMotionCompensationBVOP
// 14.04.2002   bframe compensation

#include "../encoder.h"
#include "../utils/mbfunctions.h"
#include "../image/interpolate8x8.h"
#include "../utils/timer.h"
#include "motion.h"

#undef BFRAMES

#define ABS(X) (((X)>0)?(X):-(X))
#define SIGN(X) (((X)>0)?1:-1)

static __inline void
compensate8x8_halfpel(int16_t * const dct_codes,
					  uint8_t * const cur,
					  const uint8_t * const ref,
					  const uint8_t * const refh,
					  const uint8_t * const refv,
					  const uint8_t * const refhv,
					  const uint32_t x,
					  const uint32_t y,
					  const int32_t dx,
					  const int dy,
					  const uint32_t stride)
{
	int32_t ddx, ddy;

	switch (((dx & 1) << 1) + (dy & 1))	// ((dx%2)?2:0)+((dy%2)?1:0)
	{
	case 0:
		ddx = dx / 2;
		ddy = dy / 2;
		transfer_8to16sub(dct_codes, cur + y * stride + x,
						  ref + (int) ((y + ddy) * stride + x + ddx), stride);
		break;

	case 1:
		ddx = dx / 2;
		ddy = (dy - 1) / 2;
		transfer_8to16sub(dct_codes, cur + y * stride + x,
						  refv + (int) ((y + ddy) * stride + x + ddx), stride);
		break;

	case 2:
		ddx = (dx - 1) / 2;
		ddy = dy / 2;
		transfer_8to16sub(dct_codes, cur + y * stride + x,
						  refh + (int) ((y + ddy) * stride + x + ddx), stride);
		break;

	default:					// case 3:
		ddx = (dx - 1) / 2;
		ddy = (dy - 1) / 2;
		transfer_8to16sub(dct_codes, cur + y * stride + x,
						  refhv + (int) ((y + ddy) * stride + x + ddx), stride);
		break;
	}
}



void
MBMotionCompensation(MACROBLOCK * const mb,
					 const uint32_t i,
					 const uint32_t j,
					 const IMAGE * const ref,
					 const IMAGE * const refh,
					 const IMAGE * const refv,
					 const IMAGE * const refhv,
					 IMAGE * const cur,
					 int16_t * dct_codes,
					 const uint32_t width,
					 const uint32_t height,
					 const uint32_t edged_width,
					 const uint32_t rounding)
{
	static const uint32_t roundtab[16] =
		{ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 };


	if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) {
		int32_t dx = mb->mvs[0].x;
		int32_t dy = mb->mvs[0].y;

		compensate8x8_halfpel(&dct_codes[0 * 64], cur->y, ref->y, refh->y,
							  refv->y, refhv->y, 16 * i, 16 * j, dx, dy,
							  edged_width);
		compensate8x8_halfpel(&dct_codes[1 * 64], cur->y, ref->y, refh->y,
							  refv->y, refhv->y, 16 * i + 8, 16 * j, dx, dy,
							  edged_width);
		compensate8x8_halfpel(&dct_codes[2 * 64], cur->y, ref->y, refh->y,
							  refv->y, refhv->y, 16 * i, 16 * j + 8, dx, dy,
							  edged_width);
		compensate8x8_halfpel(&dct_codes[3 * 64], cur->y, ref->y, refh->y,
							  refv->y, refhv->y, 16 * i + 8, 16 * j + 8, dx,
							  dy, edged_width);

		dx = (dx & 3) ? (dx >> 1) | 1 : dx / 2;
		dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2;

		/* uv-image-based compensation */
#ifdef BFRAMES
		compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, ref->u, refh->u,
							  refv->u, refhv->u, 8 * i, 8 * j, dx, dy,
							  edged_width / 2);
		compensate8x8_halfpel(&dct_codes[5 * 64], cur->v, ref->v, refh->v,
							  refv->v, refhv->v, 8 * i, 8 * j, dx, dy,
							  edged_width / 2);
#else
		/* uv-block-based compensation */
		interpolate8x8_switch(refv->u, ref->u, 8 * i, 8 * j, dx, dy,
							  edged_width / 2, rounding);
		transfer_8to16sub(&dct_codes[4 * 64],
						  cur->u + 8 * j * edged_width / 2 + 8 * i,
						  refv->u + 8 * j * edged_width / 2 + 8 * i,
						  edged_width / 2);

		interpolate8x8_switch(refv->v, ref->v, 8 * i, 8 * j, dx, dy,
							  edged_width / 2, rounding);
		transfer_8to16sub(&dct_codes[5 * 64],
						  cur->v + 8 * j * edged_width / 2 + 8 * i,
						  refv->v + 8 * j * edged_width / 2 + 8 * i,
						  edged_width / 2);
#endif
	} else						// mode == MODE_INTER4V
	{
		int32_t sum, dx, dy;

		compensate8x8_halfpel(&dct_codes[0 * 64], cur->y, ref->y, refh->y,
							  refv->y, refhv->y, 16 * i, 16 * j, mb->mvs[0].x,
							  mb->mvs[0].y, edged_width);
		compensate8x8_halfpel(&dct_codes[1 * 64], cur->y, ref->y, refh->y,
							  refv->y, refhv->y, 16 * i + 8, 16 * j,
							  mb->mvs[1].x, mb->mvs[1].y, edged_width);
		compensate8x8_halfpel(&dct_codes[2 * 64], cur->y, ref->y, refh->y,
							  refv->y, refhv->y, 16 * i, 16 * j + 8,
							  mb->mvs[2].x, mb->mvs[2].y, edged_width);
		compensate8x8_halfpel(&dct_codes[3 * 64], cur->y, ref->y, refh->y,
							  refv->y, refhv->y, 16 * i + 8, 16 * j + 8,
							  mb->mvs[3].x, mb->mvs[3].y, edged_width);

		sum = mb->mvs[0].x + mb->mvs[1].x + mb->mvs[2].x + mb->mvs[3].x;
		dx = (sum ? SIGN(sum) *
			  (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) : 0);

		sum = mb->mvs[0].y + mb->mvs[1].y + mb->mvs[2].y + mb->mvs[3].y;
		dy = (sum ? SIGN(sum) *
			  (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) : 0);

		/* uv-image-based compensation */
#ifdef BFRAMES
		compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, ref->u, refh->u,
							  refv->u, refhv->u, 8 * i, 8 * j, dx, dy,
							  edged_width / 2);
		compensate8x8_halfpel(&dct_codes[5 * 64], cur->v, ref->v, refh->v,
							  refv->v, refhv->v, 8 * i, 8 * j, dx, dy,
							  edged_width / 2);
#else
		/* uv-block-based compensation */
		interpolate8x8_switch(refv->u, ref->u, 8 * i, 8 * j, dx, dy,
							  edged_width / 2, rounding);
		transfer_8to16sub(&dct_codes[4 * 64],
						  cur->u + 8 * j * edged_width / 2 + 8 * i,
						  refv->u + 8 * j * edged_width / 2 + 8 * i,
						  edged_width / 2);

		interpolate8x8_switch(refv->v, ref->v, 8 * i, 8 * j, dx, dy,
							  edged_width / 2, rounding);
		transfer_8to16sub(&dct_codes[5 * 64],
						  cur->v + 8 * j * edged_width / 2 + 8 * i,
						  refv->v + 8 * j * edged_width / 2 + 8 * i,
						  edged_width / 2);
#endif
	}
}


void
MBMotionCompensationBVOP(MBParam * pParam,
						 MACROBLOCK * const mb,
						 const uint32_t i,
						 const uint32_t j,
						 IMAGE * const cur,
						 const IMAGE * const f_ref,
						 const IMAGE * const f_refh,
						 const IMAGE * const f_refv,
						 const IMAGE * const f_refhv,
						 const IMAGE * const b_ref,
						 const IMAGE * const b_refh,
						 const IMAGE * const b_refv,
						 const IMAGE * const b_refhv,
						 int16_t * dct_codes)
{
	static const uint32_t roundtab[16] =
		{ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 };

	const int32_t edged_width = pParam->edged_width;
	int32_t dx, dy;
	int32_t b_dx, b_dy;
	int x = i;
	int y = j;



	switch (mb->mode) {
	case MODE_FORWARD:
		dx = mb->mvs[0].x;
		dy = mb->mvs[0].y;

		transfer_8to16sub_c(&dct_codes[0 * 64],
							cur->y + (j * 16) * edged_width + (i * 16),
							get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y,
									i * 16, j * 16, 1, dx, dy, edged_width),
							edged_width);

		transfer_8to16sub(&dct_codes[1 * 64],
						  cur->y + (j * 16) * edged_width + (i * 16 + 8),
						  get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y,
								  i * 16 + 8, j * 16, 1, dx, dy, edged_width),
						  edged_width);

		transfer_8to16sub_c(&dct_codes[2 * 64],
							cur->y + (j * 16 + 8) * edged_width + (i * 16),
							get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y,
									i * 16, j * 16 + 8, 1, dx, dy,
									edged_width), edged_width);

		transfer_8to16sub(&dct_codes[3 * 64],
						  cur->y + (j * 16 + 8) * edged_width + (i * 16 + 8),
						  get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y,
								  i * 16 + 8, j * 16 + 8, 1, dx, dy,
								  edged_width), edged_width);


		dx = (dx & 3) ? (dx >> 1) | 1 : dx / 2;
		dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2;

		/* uv-image-based compensation */
		compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, f_ref->u, f_refh->u,
							  f_refv->u, f_refhv->u, 8 * i, 8 * j, dx, dy,
							  edged_width / 2);
		compensate8x8_halfpel(&dct_codes[5 * 64], cur->v, f_ref->v, f_refh->v,
							  f_refv->v, f_refhv->v, 8 * i, 8 * j, dx, dy,
							  edged_width / 2);

		break;

	case MODE_BACKWARD:
		b_dx = mb->b_mvs[0].x;
		b_dy = mb->b_mvs[0].y;

		transfer_8to16sub_c(&dct_codes[0 * 64],
							cur->y + (j * 16) * edged_width + (i * 16),
							get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y,
									i * 16, j * 16, 1, b_dx, b_dy,
									edged_width), edged_width);

		transfer_8to16sub(&dct_codes[1 * 64],
						  cur->y + (j * 16) * edged_width + (i * 16 + 8),
						  get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y,
								  i * 16 + 8, j * 16, 1, b_dx, b_dy,
								  edged_width), edged_width);

		transfer_8to16sub_c(&dct_codes[2 * 64],
							cur->y + (j * 16 + 8) * edged_width + (i * 16),
							get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y,
									i * 16, j * 16 + 8, 1, b_dx, b_dy,
									edged_width), edged_width);

		transfer_8to16sub(&dct_codes[3 * 64],
						  cur->y + (j * 16 + 8) * edged_width + (i * 16 + 8),
						  get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y,
								  i * 16 + 8, j * 16 + 8, 1, b_dx, b_dy,
								  edged_width), edged_width);

		b_dx = (b_dx & 3) ? (b_dx >> 1) | 1 : b_dx / 2;
		b_dy = (b_dy & 3) ? (b_dy >> 1) | 1 : b_dy / 2;

		/* uv-image-based compensation */
		compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, b_ref->u, b_refh->u,
							  b_refv->u, b_refhv->u, 8 * i, 8 * j, b_dx, b_dy,
							  edged_width / 2);
		compensate8x8_halfpel(&dct_codes[5 * 64], cur->v, b_ref->v, b_refh->v,
							  b_refv->v, b_refhv->v, 8 * i, 8 * j, b_dx, b_dy,
							  edged_width / 2);

		break;


	case MODE_INTERPOLATE:
		dx = mb->mvs[0].x;
		dy = mb->mvs[0].y;
		b_dx = mb->b_mvs[0].x;
		b_dy = mb->b_mvs[0].y;

		transfer_8to16sub2_c(&dct_codes[0 * 64],
							 cur->y + (i * 16) + (j * 16) * edged_width,
							 get_ref(f_ref->y, f_refh->y, f_refv->y,
									 f_refhv->y, 16 * i, 16 * j, 1, dx, dy,
									 edged_width), get_ref(b_ref->y, b_refh->y,
														   b_refv->y,
														   b_refhv->y, 16 * i,
														   16 * j, 1, b_dx,
														   b_dy, edged_width),
							 edged_width);

		transfer_8to16sub2_c(&dct_codes[1 * 64],
							 cur->y + (i * 16 + 8) + (j * 16) * edged_width,
							 get_ref(f_ref->y, f_refh->y, f_refv->y,
									 f_refhv->y, 16 * i + 8, 16 * j, 1, dx, dy,
									 edged_width), get_ref(b_ref->y, b_refh->y,
														   b_refv->y,
														   b_refhv->y,
														   16 * i + 8, 16 * j,
														   1, b_dx, b_dy,
														   edged_width),
							 edged_width);

		transfer_8to16sub2_c(&dct_codes[2 * 64],
							 cur->y + (i * 16) + (j * 16 + 8) * edged_width,
							 get_ref(f_ref->y, f_refh->y, f_refv->y,
									 f_refhv->y, 16 * i, 16 * j + 8, 1, dx, dy,
									 edged_width), get_ref(b_ref->y, b_refh->y,
														   b_refv->y,
														   b_refhv->y, 16 * i,
														   16 * j + 8, 1, b_dx,
														   b_dy, edged_width),
							 edged_width);

		transfer_8to16sub2_c(&dct_codes[3 * 64],
							 cur->y + (i * 16 + 8) + (j * 16 +
													  8) * edged_width,
							 get_ref(f_ref->y, f_refh->y, f_refv->y,
									 f_refhv->y, 16 * i + 8, 16 * j + 8, 1, dx,
									 dy, edged_width), get_ref(b_ref->y,
															   b_refh->y,
															   b_refv->y,
															   b_refhv->y,
															   16 * i + 8,
															   16 * j + 8, 1,
															   b_dx, b_dy,
															   edged_width),
							 edged_width);


		dx = (dx & 3) ? (dx >> 1) | 1 : dx / 2;
		dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2;

		b_dx = (b_dx & 3) ? (b_dx >> 1) | 1 : b_dx / 2;
		b_dy = (b_dy & 3) ? (b_dy >> 1) | 1 : b_dy / 2;

		transfer_8to16sub2_c(&dct_codes[4 * 64],
							 cur->u + (y * 8) * edged_width / 2 + (x * 8),
							 get_ref(f_ref->u, f_refh->u, f_refv->u,
									 f_refhv->u, 8 * i, 8 * j, 1, dx, dy,
									 edged_width / 2), get_ref(b_ref->u,
															   b_refh->u,
															   b_refv->u,
															   b_refhv->u,
															   8 * i, 8 * j, 1,
															   b_dx, b_dy,
															   edged_width /
															   2),
							 edged_width / 2);

		transfer_8to16sub2_c(&dct_codes[5 * 64],
							 cur->v + (y * 8) * edged_width / 2 + (x * 8),
							 get_ref(f_ref->v, f_refh->v, f_refv->v,
									 f_refhv->v, 8 * i, 8 * j, 1, dx, dy,
									 edged_width / 2), get_ref(b_ref->v,
															   b_refh->v,
															   b_refv->v,
															   b_refhv->v,
															   8 * i, 8 * j, 1,
															   b_dx, b_dy,
															   edged_width /
															   2),
							 edged_width / 2);

		break;

	case MODE_DIRECT:
		// todo
		break;
	}

}

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