FFmpeg: libavcodec/msmpeg4.h File Reference

FFmpeg

libavcodec

#include <stdint.h>
#include "config.h"
#include "avcodec.h"
#include "mpegvideo.h"
#include "msmpeg4data.h"
#include "put_bits.h"

Go to the source code of this file.

Macros
#define	INTER_INTRA_VLC_BITS 3

#define	MB_NON_INTRA_VLC_BITS 9

#define	MB_INTRA_VLC_BITS 9

#define	II_BITRATE 128*1024

#define	MBAC_BITRATE 50*1024

#define	DC_MAX 119

#define	CONFIG_MSMPEG4_DECODER

#define	CONFIG_MSMPEG4_ENCODER

Functions
void	ff_msmpeg4_code012 (PutBitContext *pb, int n)

void	ff_msmpeg4_common_init (MpegEncContext *s)

void	ff_msmpeg4_encode_block (MpegEncContext s, int16_t block, int n)

void	ff_msmpeg4_handle_slices (MpegEncContext *s)

void	ff_msmpeg4_encode_motion (MpegEncContext *s, int mx, int my)

int	ff_msmpeg4_coded_block_pred (MpegEncContext s, int n, uint8_t *coded_block_ptr)

void	ff_msmpeg4_encode_init (MpegEncContext *s)

void	ff_msmpeg4_encode_picture_header (MpegEncContext *s, int picture_number)

void	ff_msmpeg4_encode_ext_header (MpegEncContext *s)

void	ff_msmpeg4_encode_mb (MpegEncContext *s, int16_t block[6][64], int motion_x, int motion_y)

int	ff_msmpeg4_decode_init (AVCodecContext *avctx)

int	ff_msmpeg4_decode_picture_header (MpegEncContext *s)

int	ff_msmpeg4_decode_ext_header (MpegEncContext *s, int buf_size)

void	ff_msmpeg4_decode_motion (MpegEncContext s, int mx_ptr, int *my_ptr)

int	ff_msmpeg4_decode_block (MpegEncContext s, int16_t block, int n, int coded, const uint8_t *scan_table)

int	ff_msmpeg4_pred_dc (MpegEncContext s, int n, int16_t dc_val_ptr, int dir_ptr)

Variables
VLC	ff_mb_non_intra_vlc [4]

VLC	ff_inter_intra_vlc

Macro Definition Documentation

◆ INTER_INTRA_VLC_BITS

#define INTER_INTRA_VLC_BITS 3

Definition at line 33 of file msmpeg4.h.

◆ MB_NON_INTRA_VLC_BITS

#define MB_NON_INTRA_VLC_BITS 9

Definition at line 34 of file msmpeg4.h.

◆ MB_INTRA_VLC_BITS

#define MB_INTRA_VLC_BITS 9

Definition at line 35 of file msmpeg4.h.

◆ II_BITRATE

#define II_BITRATE 128*1024

Definition at line 37 of file msmpeg4.h.

◆ MBAC_BITRATE

#define MBAC_BITRATE 50*1024

Definition at line 38 of file msmpeg4.h.

◆ DC_MAX

#define DC_MAX 119

Definition at line 40 of file msmpeg4.h.

◆ CONFIG_MSMPEG4_DECODER

#define CONFIG_MSMPEG4_DECODER

Value:

                                (CONFIG_MSMPEG4V1_DECODER || \
                                CONFIG_MSMPEG4V2_DECODER || \
                                CONFIG_MSMPEG4V3_DECODER || \
                                CONFIG_WMV1_DECODER      || \
                                CONFIG_WMV2_DECODER      || \
                                CONFIG_VC1_DECODER)

Definition at line 69 of file msmpeg4.h.

◆ CONFIG_MSMPEG4_ENCODER

#define CONFIG_MSMPEG4_ENCODER

Value:

                                (CONFIG_MSMPEG4V2_ENCODER || \
                                CONFIG_MSMPEG4V3_ENCODER || \
                                CONFIG_WMV1_ENCODER      || \
                                CONFIG_WMV2_ENCODER)

Definition at line 75 of file msmpeg4.h.

Function Documentation

◆ ff_msmpeg4_code012()

void ff_msmpeg4_code012	(	PutBitContext *	pb,
		int	n
	)

Definition at line 65 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_picture_header(), and ff_wmv2_encode_picture_header().

◆ ff_msmpeg4_common_init()

void ff_msmpeg4_common_init ( MpegEncContext * s )

Definition at line 109 of file msmpeg4.c.

Referenced by ff_msmpeg4_decode_init(), and ff_msmpeg4_encode_init().

◆ ff_msmpeg4_encode_block()

void ff_msmpeg4_encode_block	(	MpegEncContext *	s,
		int16_t *	block,
		int	n
	)

Definition at line 570 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_mb(), and ff_wmv2_encode_mb().

◆ ff_msmpeg4_handle_slices()

void ff_msmpeg4_handle_slices ( MpegEncContext * s )

Definition at line 323 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_mb(), and ff_wmv2_encode_mb().

◆ ff_msmpeg4_encode_motion()

void ff_msmpeg4_encode_motion	(	MpegEncContext *	s,
		int	mx,
		int	my
	)

Definition at line 290 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_mb(), and ff_wmv2_encode_mb().

◆ ff_msmpeg4_coded_block_pred()

int ff_msmpeg4_coded_block_pred	(	MpegEncContext *	s,
		int	n,
		uint8_t **	coded_block_ptr
	)

Definition at line 153 of file msmpeg4.c.

Referenced by ff_msmpeg4_encode_mb(), ff_wmv2_decode_mb(), ff_wmv2_encode_mb(), and msmpeg4v34_decode_mb().

◆ ff_msmpeg4_encode_init()

void ff_msmpeg4_encode_init ( MpegEncContext * s )

Definition at line 116 of file msmpeg4enc.c.

Referenced by ff_mpv_encode_init().

◆ ff_msmpeg4_encode_picture_header()

void ff_msmpeg4_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Definition at line 217 of file msmpeg4enc.c.

Referenced by encode_picture().

◆ ff_msmpeg4_encode_ext_header()

void ff_msmpeg4_encode_ext_header ( MpegEncContext * s )

Definition at line 277 of file msmpeg4enc.c.

Referenced by encode_thread(), and ff_msmpeg4_encode_picture_header().

◆ ff_msmpeg4_encode_mb()

void ff_msmpeg4_encode_mb	(	MpegEncContext *	s,
		int16_t	block[6][64],
		int	motion_x,
		int	motion_y
	)

Definition at line 369 of file msmpeg4enc.c.

Referenced by encode_mb_internal().

◆ ff_msmpeg4_decode_init()

int ff_msmpeg4_decode_init ( AVCodecContext * avctx )

Definition at line 294 of file msmpeg4dec.c.

Referenced by vc1_decode_frame(), vc1_decode_init(), wmv2_decode_init(), and wmv9_init().

◆ ff_msmpeg4_decode_picture_header()

int ff_msmpeg4_decode_picture_header ( MpegEncContext * s )

Definition at line 404 of file msmpeg4dec.c.

Referenced by ff_h263_decode_frame().

◆ ff_msmpeg4_decode_ext_header()

int ff_msmpeg4_decode_ext_header	(	MpegEncContext *	s,
		int	buf_size
	)

Definition at line 560 of file msmpeg4dec.c.

Referenced by ff_h263_decode_frame(), and ff_msmpeg4_decode_picture_header().

◆ ff_msmpeg4_decode_motion()

void ff_msmpeg4_decode_motion	(	MpegEncContext *	s,
		int *	mx_ptr,
		int *	my_ptr
	)

Definition at line 831 of file msmpeg4dec.c.

Referenced by msmpeg4v34_decode_mb(), and wmv2_decode_motion().

◆ ff_msmpeg4_decode_block()

int ff_msmpeg4_decode_block	(	MpegEncContext *	s,
		int16_t *	block,
		int	n,
		int	coded,
		const uint8_t *	scan_table
	)

Definition at line 644 of file msmpeg4dec.c.

Referenced by ff_wmv2_decode_mb(), msmpeg4v12_decode_mb(), msmpeg4v34_decode_mb(), and wmv2_decode_inter_block().

◆ ff_msmpeg4_pred_dc()

int ff_msmpeg4_pred_dc	(	MpegEncContext *	s,
		int	n,
		int16_t **	dc_val_ptr,
		int *	dir_ptr
	)

Definition at line 193 of file msmpeg4.c.

Referenced by msmpeg4_decode_dc(), and msmpeg4_encode_dc().

Variable Documentation

◆ ff_mb_non_intra_vlc

VLC ff_mb_non_intra_vlc[4]

Definition at line 63 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_init(), ff_wmv2_decode_mb(), and msmpeg4v34_decode_mb().

◆ ff_inter_intra_vlc

VLC ff_inter_intra_vlc

Definition at line 68 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_init(), ff_wmv2_decode_mb(), and msmpeg4v34_decode_mb().