mpegvideo_motion.c File Reference

#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/internal.h"
#include "avcodec.h"
#include "h261.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
#include "qpeldsp.h"
#include <limits.h>

Go to the source code of this file.

Macros
#define	OBMC_FILTER(x, t, l, m, r, b)   dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3
#define	OBMC_FILTER4(x, t, l, m, r, b)
#define	MID   0

Functions
static void	gmc1_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture)
static void	gmc_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture)
static int	hpel_motion (MpegEncContext *s, uint8_t *dest, uint8_t *src, int src_x, int src_y, op_pixels_func *pix_op, int motion_x, int motion_y)
static av_always_inline void	mpeg_motion_internal (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_based, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int is_mpeg12, int mb_y)
static void	mpeg_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int mb_y)
static void	mpeg_motion_field (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int mb_y)
static void	put_obmc (uint8_t *dst, uint8_t *src[5], int stride)
static void	obmc_motion (MpegEncContext *s, uint8_t *dest, uint8_t *src, int src_x, int src_y, op_pixels_func *pix_op, int16_t mv[5][2])
static void	qpel_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_based, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16], int motion_x, int motion_y, int h)
static void	chroma_4mv_motion (MpegEncContext *s, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture, op_pixels_func *pix_op, int mx, int my)
	h263 chroma 4mv motion compensation.
static void	prefetch_motion (MpegEncContext *s, uint8_t **pix, int dir)
static void	apply_obmc (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture, op_pixels_func(*pix_op)[4])
static void	apply_8x8 (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, qpel_mc_func(*qpix_op)[16], op_pixels_func(*pix_op)[4])
static av_always_inline void	MPV_motion_internal (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16], int is_mpeg12)
	motion compensation of a single macroblock
void	ff_MPV_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16])

Macro Definition Documentation

#define OBMC_FILTER	(		x,
			t,
			l,
			m,
			r,
			b
	)		dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3

Referenced by put_obmc().

#define OBMC_FILTER4	(		x,
			t,
			l,
			m,
			r,
			b
	)

Value:

OBMC_FILTER(x         , t, l, m, r, b);\
    OBMC_FILTER(x+1       , t, l, m, r, b);\
    OBMC_FILTER(x  +stride, t, l, m, r, b);\
    OBMC_FILTER(x+1+stride, t, l, m, r, b);

Referenced by put_obmc().

#define MID   0

Referenced by obmc_motion().

Function Documentation

static void gmc1_motion ( MpegEncContext *  s, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, uint8_t **  ref_picture  )

static

Definition at line 37 of file mpegvideo_motion.c.

Referenced by MPV_motion_internal().

static void gmc_motion ( MpegEncContext *  s, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, uint8_t **  ref_picture  )

static

Definition at line 134 of file mpegvideo_motion.c.

Referenced by MPV_motion_internal().

static int hpel_motion ( MpegEncContext *  s, uint8_t *  dest, uint8_t *  src, int  src_x, int  src_y, op_pixels_func *  pix_op, int  motion_x, int  motion_y  )

inlinestatic

Definition at line 192 of file mpegvideo_motion.c.

Referenced by apply_8x8(), and obmc_motion().

static av_always_inline void mpeg_motion_internal ( MpegEncContext *  s, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, int  field_based, int  bottom_field, int  field_select, uint8_t **  ref_picture, op_pixels_func(*)  pix_op[4], int  motion_x, int  motion_y, int  h, int  is_mpeg12, int  mb_y  )

static

Definition at line 228 of file mpegvideo_motion.c.

Referenced by mpeg_motion(), and mpeg_motion_field().

static void mpeg_motion ( MpegEncContext *  s, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, int  field_select, uint8_t **  ref_picture, op_pixels_func(*)  pix_op[4], int  motion_x, int  motion_y, int  h, int  mb_y  )

static

Definition at line 371 of file mpegvideo_motion.c.

Referenced by MPV_motion_internal().

static void mpeg_motion_field ( MpegEncContext *  s, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, int  bottom_field, int  field_select, uint8_t **  ref_picture, op_pixels_func(*)  pix_op[4], int  motion_x, int  motion_y, int  h, int  mb_y  )

static

Definition at line 389 of file mpegvideo_motion.c.

Referenced by MPV_motion_internal().

static void put_obmc ( uint8_t *  dst, uint8_t *  src[5], int  stride  )

inlinestatic

Definition at line 409 of file mpegvideo_motion.c.

Referenced by obmc_motion().

static void obmc_motion ( MpegEncContext *  s, uint8_t *  dest, uint8_t *  src, int  src_x, int  src_y, op_pixels_func *  pix_op, int16_t  mv[5][2]  )

inlinestatic

Definition at line 462 of file mpegvideo_motion.c.

Referenced by apply_obmc().

static void qpel_motion ( MpegEncContext *  s, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, int  field_based, int  bottom_field, int  field_select, uint8_t **  ref_picture, op_pixels_func(*)  pix_op[4], qpel_mc_func(*)  qpix_op[16], int  motion_x, int  motion_y, int  h  )

inlinestatic

Definition at line 488 of file mpegvideo_motion.c.

Referenced by MPV_motion_internal().

static void chroma_4mv_motion ( MpegEncContext *  s, uint8_t *  dest_cb, uint8_t *  dest_cr, uint8_t **  ref_picture, op_pixels_func *  pix_op, int  mx, int  my  )

static

h263 chroma 4mv motion compensation.

Definition at line 593 of file mpegvideo_motion.c.

Referenced by apply_8x8(), and apply_obmc().

static void prefetch_motion ( MpegEncContext *  s, uint8_t **  pix, int  dir  )

inlinestatic

Definition at line 645 of file mpegvideo_motion.c.

Referenced by MPV_motion_internal().

static void apply_obmc ( MpegEncContext *  s, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, uint8_t **  ref_picture, op_pixels_func(*)  pix_op[4]  )

inlinestatic

Definition at line 659 of file mpegvideo_motion.c.

Referenced by MPV_motion_internal().

static void apply_8x8 ( MpegEncContext *  s, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, int  dir, uint8_t **  ref_picture, qpel_mc_func(*)  qpix_op[16], op_pixels_func(*)  pix_op[4]  )

inlinestatic

Definition at line 746 of file mpegvideo_motion.c.

Referenced by MPV_motion_internal().

static av_always_inline void MPV_motion_internal ( MpegEncContext *  s, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, int  dir, uint8_t **  ref_picture, op_pixels_func(*)  pix_op[4], qpel_mc_func(*)  qpix_op[16], int  is_mpeg12  )

static

motion compensation of a single macroblock

Parameters

s	context
dest_y	luma destination pointer
dest_cb	chroma cb/u destination pointer
dest_cr	chroma cr/v destination pointer
dir	direction (0->forward, 1->backward)
ref_picture	array[3] of pointers to the 3 planes of the reference picture
pix_op	halfpel motion compensation function (average or put normally)
qpix_op	qpel motion compensation function (average or put normally) the motion vectors are taken from s->mv and the MV type from s->mv_type

Definition at line 830 of file mpegvideo_motion.c.

Referenced by ff_MPV_motion().

void ff_MPV_motion	(	MpegEncContext *	s,
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr,
		int	dir,
		uint8_t **	ref_picture,
		op_pixels_func(*)	pix_op[4],
		qpel_mc_func(*)	qpix_op[16]
	)

Definition at line 972 of file mpegvideo_motion.c.

Referenced by encode_mb_internal(), and MPV_decode_mb_internal().