wmv2dec.c File Reference

#include "libavutil/mem_internal.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "h263dec.h"
#include "intrax8.h"
#include "mathops.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideodec.h"
#include "msmpeg4.h"
#include "msmpeg4_vc1_data.h"
#include "msmpeg4dec.h"
#include "simple_idct.h"
#include "wmv2.h"
#include "wmv2data.h"
#include "wmv2dec.h"

Go to the source code of this file.

Data Structures
struct	WMV2DecContext

Functions
static void	wmv2_add_block (WMV2DecContext *w, int16_t *block1, uint8_t *dst, int stride, int n)
void	ff_wmv2_add_mb (MpegEncContext *s, int16_t block1[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr)
static int	parse_mb_skip (WMV2DecContext *w)
static int	decode_ext_header (WMV2DecContext *w)
int	ff_wmv2_decode_picture_header (MpegEncContext *s)
int	ff_wmv2_decode_secondary_picture_header (MpegEncContext *s)
static void	wmv2_decode_motion (WMV2DecContext *w, int *mx_ptr, int *my_ptr)
static int16_t *	wmv2_pred_motion (WMV2DecContext *w, int *px, int *py)
static int	wmv2_decode_inter_block (WMV2DecContext *w, int16_t *block, int n, int cbp)
static int	wmv2_decode_mb (MpegEncContext *s, int16_t block[6][64])
static av_cold int	wmv2_decode_init (AVCodecContext *avctx)
static av_cold int	wmv2_decode_end (AVCodecContext *avctx)

Variables
const FFCodec	ff_wmv2_decoder

Function Documentation

wmv2_add_block()

static void wmv2_add_block ( WMV2DecContext *  w, int16_t *  block1, uint8_t *  dst, int  stride, int  n  )

static

Definition at line 59 of file wmv2dec.c.

Referenced by ff_wmv2_add_mb().

ff_wmv2_add_mb()

void ff_wmv2_add_mb	(	MpegEncContext *	s,
		int16_t	block1[6][64],
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr
	)

Definition at line 85 of file wmv2dec.c.

Referenced by mpv_reconstruct_mb_internal().

parse_mb_skip()

static int parse_mb_skip ( WMV2DecContext *  w )

static

Definition at line 102 of file wmv2dec.c.

Referenced by ff_wmv2_decode_secondary_picture_header().

decode_ext_header()

static int decode_ext_header ( WMV2DecContext *  w )

static

Definition at line 167 of file wmv2dec.c.

Referenced by wmv2_decode_init().

ff_wmv2_decode_picture_header()

int ff_wmv2_decode_picture_header

(

MpegEncContext *

s

)

Definition at line 205 of file wmv2dec.c.

Referenced by ff_h263_decode_frame().

ff_wmv2_decode_secondary_picture_header()

int ff_wmv2_decode_secondary_picture_header

(

MpegEncContext *

s

)

Definition at line 236 of file wmv2dec.c.

Referenced by ff_h263_decode_frame().

wmv2_decode_motion()

static void wmv2_decode_motion ( WMV2DecContext *  w, int *  mx_ptr, int *  my_ptr  )

inlinestatic

Definition at line 348 of file wmv2dec.c.

Referenced by wmv2_decode_mb().

wmv2_pred_motion()

static int16_t* wmv2_pred_motion ( WMV2DecContext *  w, int *  px, int *  py  )

static

Definition at line 360 of file wmv2dec.c.

Referenced by wmv2_decode_mb().

wmv2_decode_inter_block()

static int wmv2_decode_inter_block ( WMV2DecContext *  w, int16_t *  block, int  n, int  cbp  )

inlinestatic

Definition at line 405 of file wmv2dec.c.

Referenced by wmv2_decode_mb().

wmv2_decode_mb()

static int wmv2_decode_mb ( MpegEncContext *  s, int16_t  block[6][64]  )

static

Definition at line 443 of file wmv2dec.c.

Referenced by wmv2_decode_init().

wmv2_decode_init()

static av_cold int wmv2_decode_init ( AVCodecContext *  avctx )

static

Definition at line 561 of file wmv2dec.c.

wmv2_decode_end()

static av_cold int wmv2_decode_end ( AVCodecContext *  avctx )

static

Definition at line 583 of file wmv2dec.c.

Variable Documentation

ff_wmv2_decoder

const FFCodec ff_wmv2_decoder

Initial value:

= {
    .p.name         = "wmv2",
    CODEC_LONG_NAME("Windows Media Video 8"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_WMV2,
    .priv_data_size = sizeof(WMV2DecContext),
    .init           = wmv2_decode_init,
    .close          = wmv2_decode_end,
    FF_CODEC_DECODE_CB(ff_h263_decode_frame),
    .p.capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 591 of file wmv2dec.c.