#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "msmpeg4.h"
#include "libavutil/imgutils.h"
#include "libavutil/x86/asm.h"
#include "h263.h"
#include "mpeg4video.h"
#include "msmpeg4data.h"
#include "vc1data.h"

Macros
#define	DC_VLC_BITS 9

#define	V2_INTRA_CBPC_VLC_BITS 3

#define	V2_MB_TYPE_VLC_BITS 7

#define	MV_VLC_BITS 9

#define	V2_MV_VLC_BITS 9

#define	TEX_VLC_BITS 9

#define	DEFAULT_INTER_INDEX 3

Functions
static int	msmpeg4v1_pred_dc (MpegEncContext s, int n, int32_t *dc_val_ptr)

static int	msmpeg4v2_decode_motion (MpegEncContext *s, int pred, int f_code)

static int	msmpeg4v12_decode_mb (MpegEncContext *s, int16_t block[6][64])

static int	msmpeg4v34_decode_mb (MpegEncContext *s, int16_t block[6][64])

av_cold 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)

static int	msmpeg4_decode_dc (MpegEncContext s, int n, int dir_ptr)

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

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

Variables
VLC	ff_mb_non_intra_vlc [4]

static VLC	v2_dc_lum_vlc

static VLC	v2_dc_chroma_vlc

static VLC	v2_intra_cbpc_vlc

static VLC	v2_mb_type_vlc

static VLC	v2_mv_vlc

VLC	ff_inter_intra_vlc

AVCodec	ff_msmpeg4v1_decoder

AVCodec	ff_msmpeg4v2_decoder

AVCodec	ff_msmpeg4v3_decoder

AVCodec	ff_wmv1_decoder

Macro Definition Documentation

#define DC_VLC_BITS 9

Definition at line 36 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_init(), and msmpeg4_decode_dc().

#define V2_INTRA_CBPC_VLC_BITS 3

Definition at line 37 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_init(), and msmpeg4v12_decode_mb().

#define V2_MB_TYPE_VLC_BITS 7

Definition at line 38 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_init(), and msmpeg4v12_decode_mb().

#define MV_VLC_BITS 9

Definition at line 39 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_init(), and ff_msmpeg4_decode_motion().

#define V2_MV_VLC_BITS 9

Definition at line 40 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_init(), and msmpeg4v2_decode_motion().

#define TEX_VLC_BITS 9

Definition at line 41 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_block().

#define DEFAULT_INTER_INDEX 3

Definition at line 43 of file msmpeg4dec.c.

Referenced by msmpeg4v34_decode_mb().

Function Documentation

static int msmpeg4v1_pred_dc	(	MpegEncContext *	s,
		int	n,
		int32_t **	dc_val_ptr
	)

inlinestatic

Definition at line 45 of file msmpeg4dec.c.

Referenced by msmpeg4_decode_dc().

static int msmpeg4v2_decode_motion	(	MpegEncContext *	s,
		int	pred,
		int	f_code
	)

static

Definition at line 72 of file msmpeg4dec.c.

Referenced by msmpeg4v12_decode_mb().

static int msmpeg4v12_decode_mb	(	MpegEncContext *	s,
		int16_t	block[6][64]
	)

static

Definition at line 103 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_init().

static int msmpeg4v34_decode_mb	(	MpegEncContext *	s,
		int16_t	block[6][64]
	)

static

Definition at line 193 of file msmpeg4dec.c.

Referenced by ff_msmpeg4_decode_init().

av_cold int ff_msmpeg4_decode_init ( AVCodecContext * avctx )

Definition at line 286 of file msmpeg4dec.c.

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

int ff_msmpeg4_decode_picture_header ( MpegEncContext * s )

Definition at line 396 of file msmpeg4dec.c.

Referenced by ff_h263_decode_frame().

int ff_msmpeg4_decode_ext_header	(	MpegEncContext *	s,
		int	buf_size
	)

Definition at line 551 of file msmpeg4dec.c.

Referenced by ff_h263_decode_frame(), and ff_msmpeg4_decode_picture_header().

static int msmpeg4_decode_dc	(	MpegEncContext *	s,
		int	n,
		int *	dir_ptr
	)

static

Definition at line 579 of file msmpeg4dec.c.

Referenced by 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 637 of file msmpeg4dec.c.

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

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

Definition at line 872 of file msmpeg4dec.c.

Referenced by msmpeg4v34_decode_mb(), and wmv2_decode_motion().

Variable Documentation

VLC ff_mb_non_intra_vlc[4]

Definition at line 63 of file msmpeg4dec.c.

Referenced by ff_wmv2_decode_mb().

VLC v2_dc_lum_vlc

static

Definition at line 64 of file msmpeg4dec.c.

VLC v2_dc_chroma_vlc

static

Definition at line 65 of file msmpeg4dec.c.

VLC v2_intra_cbpc_vlc

static

Definition at line 66 of file msmpeg4dec.c.

VLC v2_mb_type_vlc

static

Definition at line 67 of file msmpeg4dec.c.

VLC v2_mv_vlc

static

Definition at line 68 of file msmpeg4dec.c.

VLC ff_inter_intra_vlc

Definition at line 69 of file msmpeg4dec.c.

Referenced by ff_wmv2_decode_mb().

AVCodec ff_msmpeg4v1_decoder

Initial value:

= {
    .name           = "msmpeg4v1",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_MSMPEG4V1,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = ff_msmpeg4_decode_init,
    .close          = ff_h263_decode_end,
    .decode         = ff_h263_decode_frame,
    .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
    .max_lowres     = 3,
    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 1"),
    .pix_fmts       = ff_pixfmt_list_420,
}

Definition at line 910 of file msmpeg4dec.c.

AVCodec ff_msmpeg4v2_decoder

Initial value:

= {
    .name           = "msmpeg4v2",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_MSMPEG4V2,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = ff_msmpeg4_decode_init,
    .close          = ff_h263_decode_end,
    .decode         = ff_h263_decode_frame,
    .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
    .max_lowres     = 3,
    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"),
    .pix_fmts       = ff_pixfmt_list_420,
}

Definition at line 924 of file msmpeg4dec.c.

AVCodec ff_msmpeg4v3_decoder

Initial value:

= {
    .name           = "msmpeg4",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_MSMPEG4V3,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = ff_msmpeg4_decode_init,
    .close          = ff_h263_decode_end,
    .decode         = ff_h263_decode_frame,
    .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
    .max_lowres     = 3,
    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"),
    .pix_fmts       = ff_pixfmt_list_420,
}

Definition at line 938 of file msmpeg4dec.c.

AVCodec ff_wmv1_decoder

Initial value:

= {
    .name           = "wmv1",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_WMV1,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = ff_msmpeg4_decode_init,
    .close          = ff_h263_decode_end,
    .decode         = ff_h263_decode_frame,
    .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
    .max_lowres     = 3,
    .long_name      = NULL_IF_CONFIG_SMALL("Windows Media Video 7"),
    .pix_fmts       = ff_pixfmt_list_420,
}

Definition at line 952 of file msmpeg4dec.c.

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation