mpegvideo_motion.c File Reference

#include "config_components.h"
#include "libavutil/avassert.h"
#include "libavutil/internal.h"
#include "libavutil/mem_internal.h"
#include "avcodec.h"
#include "h261.h"
#include "h263.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpeg4videodec.h"
#include "qpeldsp.h"
#include "wmv2dec.h"

Go to the source code of this file.

Macros
#define	OBMC_FILTER(x, t, l, m, r, b)
#define	OBMC_FILTER4(x, t, l, m, r, b)
#define	MID   0

Functions
static int	hpel_motion (MpegEncContext *s, uint8_t *dest, uint8_t *src, int src_x, int src_y, const 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 *const *ref_picture, const op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int is_mpeg12, int is_16x8, 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 *const *ref_picture, const op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int is_16x8, 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 *const *ref_picture, const op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int mb_y)
static void	put_obmc (uint8_t *dst, uint8_t *const src[5], int stride)
static void	obmc_motion (MpegEncContext *s, uint8_t *dest, uint8_t *src, int src_x, int src_y, const 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 *const *ref_picture, const op_pixels_func(*pix_op)[4], const 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 *const *ref_picture, const op_pixels_func *pix_op, int mx, int my)
	H.263 chroma 4mv motion compensation.
static void	prefetch_motion (MpegEncContext *s, uint8_t *const *pix, int dir)
static void	apply_obmc (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t *const *ref_picture, const 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 *const *ref_picture, const qpel_mc_func(*qpix_op)[16], const 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 *const *ref_picture, const op_pixels_func(*pix_op)[4], const 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 *const *ref_picture, const op_pixels_func(*pix_op)[4], const qpel_mc_func(*qpix_op)[16])

Macro Definition Documentation

OBMC_FILTER

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

Value:

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

Referenced by put_obmc().

OBMC_FILTER4

#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().

MID

#define MID   0

Referenced by obmc_motion().

Function Documentation

hpel_motion()

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

inlinestatic

Definition at line 39 of file mpegvideo_motion.c.

Referenced by apply_8x8(), and obmc_motion().

mpeg_motion_internal()

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 *const * ref_picture, const op_pixels_func(*) pix_op[4], int motion_x, int motion_y, int h, int is_mpeg12, int is_16x8, int mb_y )

static

Definition at line 75 of file mpegvideo_motion.c.

Referenced by mpeg_motion(), and mpeg_motion_field().

mpeg_motion()

static void mpeg_motion ( MpegEncContext * s, uint8_t * dest_y, uint8_t * dest_cb, uint8_t * dest_cr, int field_select, uint8_t *const * ref_picture, const op_pixels_func(*) pix_op[4], int motion_x, int motion_y, int h, int is_16x8, int mb_y )

static

Definition at line 220 of file mpegvideo_motion.c.

Referenced by mpv_motion_internal().

mpeg_motion_field()

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 *const * ref_picture, const op_pixels_func(*) pix_op[4], int motion_x, int motion_y, int mb_y )

static

Definition at line 238 of file mpegvideo_motion.c.

Referenced by mpv_motion_internal().

put_obmc()

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

inlinestatic

Definition at line 258 of file mpegvideo_motion.c.

Referenced by obmc_motion().

obmc_motion()

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

inlinestatic

Definition at line 311 of file mpegvideo_motion.c.

Referenced by apply_obmc().

qpel_motion()

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 *const * ref_picture, const op_pixels_func(*) pix_op[4], const qpel_mc_func(*) qpix_op[16], int motion_x, int motion_y, int h )

inlinestatic

Definition at line 337 of file mpegvideo_motion.c.

Referenced by mpv_motion_internal().

chroma_4mv_motion()

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

static

H.263 chroma 4mv motion compensation.

Definition at line 444 of file mpegvideo_motion.c.

Referenced by apply_8x8(), and apply_obmc().

prefetch_motion()

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

inlinestatic

Definition at line 496 of file mpegvideo_motion.c.

Referenced by ff_mpv_motion().

apply_obmc()

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

inlinestatic

Definition at line 510 of file mpegvideo_motion.c.

Referenced by mpv_motion_internal().

apply_8x8()

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

inlinestatic

Definition at line 597 of file mpegvideo_motion.c.

Referenced by mpv_motion_internal().

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 *const * ref_picture, const op_pixels_func(*) pix_op[4], const 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 682 of file mpegvideo_motion.c.

Referenced by ff_mpv_motion().

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 *const *	ref_picture,
		const op_pixels_func(*)	pix_op[4],
		const qpel_mc_func(*)	qpix_op[16] )

Definition at line 825 of file mpegvideo_motion.c.

Referenced by encode_mb_internal(), and mpv_reconstruct_mb_internal().