#include <stdint.h>
#include "mpegvideo.h"

Macros
#define	RECT_SHAPE 0

#define	BIN_SHAPE 1

#define	BIN_ONLY_SHAPE 2

#define	GRAY_SHAPE 3

#define	SIMPLE_VO_TYPE 1

#define	CORE_VO_TYPE 3

#define	MAIN_VO_TYPE 4

#define	NBIT_VO_TYPE 5

#define	ARTS_VO_TYPE 10

#define	ACE_VO_TYPE 12

#define	SIMPLE_STUDIO_VO_TYPE 14

#define	CORE_STUDIO_VO_TYPE 15

#define	ADV_SIMPLE_VO_TYPE 17

#define	VOT_VIDEO_ID 1

#define	VOT_STILL_TEXTURE_ID 2

#define	EXTENDED_PAR 15

#define	STATIC_SPRITE 1

#define	GMC_SPRITE 2

#define	MOTION_MARKER 0x1F001

#define	DC_MARKER 0x6B001

#define	VOS_STARTCODE 0x1B0

#define	USER_DATA_STARTCODE 0x1B2

#define	GOP_STARTCODE 0x1B3

#define	VISUAL_OBJ_STARTCODE 0x1B5

#define	VOP_STARTCODE 0x1B6

#define	SLICE_STARTCODE 0x1B7

#define	EXT_STARTCODE 0x1B8

#define	QUANT_MATRIX_EXT_ID 0x3

#define	MAX_NVOP_SIZE 19

#define	IS_3IV1 0

Functions
void	ff_mpeg4_clean_buffers (MpegEncContext *s)

int	ff_mpeg4_get_video_packet_prefix_length (MpegEncContext *s)

void	ff_mpeg4_init_direct_mv (MpegEncContext *s)

int	ff_mpeg4_set_direct_mv (MpegEncContext *s, int mx, int my)

static int	ff_mpeg4_pred_dc (MpegEncContext s, int n, int level, int dir_ptr, int encoding)
	Predict the dc. More...

Macro Definition Documentation

◆ RECT_SHAPE

#define RECT_SHAPE 0

Definition at line 31 of file mpeg4video.h.

◆ BIN_SHAPE

#define BIN_SHAPE 1

Definition at line 32 of file mpeg4video.h.

◆ BIN_ONLY_SHAPE

#define BIN_ONLY_SHAPE 2

Definition at line 33 of file mpeg4video.h.

◆ GRAY_SHAPE

#define GRAY_SHAPE 3

Definition at line 34 of file mpeg4video.h.

◆ SIMPLE_VO_TYPE

#define SIMPLE_VO_TYPE 1

Definition at line 36 of file mpeg4video.h.

◆ CORE_VO_TYPE

#define CORE_VO_TYPE 3

Definition at line 37 of file mpeg4video.h.

◆ MAIN_VO_TYPE

#define MAIN_VO_TYPE 4

Definition at line 38 of file mpeg4video.h.

◆ NBIT_VO_TYPE

#define NBIT_VO_TYPE 5

Definition at line 39 of file mpeg4video.h.

◆ ARTS_VO_TYPE

#define ARTS_VO_TYPE 10

Definition at line 40 of file mpeg4video.h.

◆ ACE_VO_TYPE

#define ACE_VO_TYPE 12

Definition at line 41 of file mpeg4video.h.

◆ SIMPLE_STUDIO_VO_TYPE

#define SIMPLE_STUDIO_VO_TYPE 14

Definition at line 42 of file mpeg4video.h.

◆ CORE_STUDIO_VO_TYPE

#define CORE_STUDIO_VO_TYPE 15

Definition at line 43 of file mpeg4video.h.

◆ ADV_SIMPLE_VO_TYPE

#define ADV_SIMPLE_VO_TYPE 17

Definition at line 44 of file mpeg4video.h.

◆ VOT_VIDEO_ID

#define VOT_VIDEO_ID 1

Definition at line 46 of file mpeg4video.h.

◆ VOT_STILL_TEXTURE_ID

#define VOT_STILL_TEXTURE_ID 2

Definition at line 47 of file mpeg4video.h.

◆ EXTENDED_PAR

#define EXTENDED_PAR 15

Definition at line 50 of file mpeg4video.h.

◆ STATIC_SPRITE

#define STATIC_SPRITE 1

Definition at line 53 of file mpeg4video.h.

◆ GMC_SPRITE

#define GMC_SPRITE 2

Definition at line 54 of file mpeg4video.h.

◆ MOTION_MARKER

#define MOTION_MARKER 0x1F001

Definition at line 56 of file mpeg4video.h.

◆ DC_MARKER

#define DC_MARKER 0x6B001

Definition at line 57 of file mpeg4video.h.

◆ VOS_STARTCODE

#define VOS_STARTCODE 0x1B0

Definition at line 59 of file mpeg4video.h.

◆ USER_DATA_STARTCODE

#define USER_DATA_STARTCODE 0x1B2

Definition at line 60 of file mpeg4video.h.

◆ GOP_STARTCODE

#define GOP_STARTCODE 0x1B3

Definition at line 61 of file mpeg4video.h.

◆ VISUAL_OBJ_STARTCODE

#define VISUAL_OBJ_STARTCODE 0x1B5

Definition at line 62 of file mpeg4video.h.

◆ VOP_STARTCODE

#define VOP_STARTCODE 0x1B6

Definition at line 63 of file mpeg4video.h.

◆ SLICE_STARTCODE

#define SLICE_STARTCODE 0x1B7

Definition at line 64 of file mpeg4video.h.

◆ EXT_STARTCODE

#define EXT_STARTCODE 0x1B8

Definition at line 65 of file mpeg4video.h.

◆ QUANT_MATRIX_EXT_ID

#define QUANT_MATRIX_EXT_ID 0x3

Definition at line 67 of file mpeg4video.h.

◆ MAX_NVOP_SIZE

#define MAX_NVOP_SIZE 19

Definition at line 70 of file mpeg4video.h.

◆ IS_3IV1

#define IS_3IV1 0

Definition at line 84 of file mpeg4video.h.

Function Documentation

◆ ff_mpeg4_clean_buffers()

void ff_mpeg4_clean_buffers ( MpegEncContext * s )

Definition at line 57 of file mpeg4video.c.

Referenced by encode_thread(), ff_h263_decode_frame(), and ff_msmpeg4_handle_slices().

◆ ff_mpeg4_get_video_packet_prefix_length()

int ff_mpeg4_get_video_packet_prefix_length ( MpegEncContext * s )

Definition at line 42 of file mpeg4video.c.

Referenced by ff_mpeg4_decode_video_packet_header(), ff_mpeg4_encode_video_packet_header(), and mpeg4_is_resync().

◆ ff_mpeg4_init_direct_mv()

void ff_mpeg4_init_direct_mv ( MpegEncContext * s )

Definition at line 83 of file mpeg4video.c.

Referenced by decode_vop_header(), ff_h263_decode_picture_header(), ff_set_mpeg4_time(), and rv20_decode_picture_header().

◆ ff_mpeg4_set_direct_mv()

int ff_mpeg4_set_direct_mv	(	MpegEncContext *	s,
		int	mx,
		int	my
	)

Returns: the mb_type

Definition at line 129 of file mpeg4video.c.

Referenced by encode_thread(), and mpeg4_decode_mb().

◆ ff_mpeg4_pred_dc()

static int ff_mpeg4_pred_dc	(	MpegEncContext *	s,
		int	n,
		int	level,
		int *	dir_ptr,
		int	encoding
	)

inlinestatic

Predict the dc.

encoding quantized level -> quantized diff decoding quantized diff -> quantized level

Parameters

n	block index (0-3 are luma, 4-5 are chroma)
dir_ptr	pointer to an integer where the prediction direction will be stored

Definition at line 94 of file mpeg4video.h.

Referenced by ff_mpeg4_encode_mb(), mpeg4_decode_block(), and mpeg4_decode_dc().

Macros

Functions