wmv2dec.c File Reference

#include "avcodec.h"
#include "h263.h"
#include "internal.h"
#include "intrax8.h"
#include "mathops.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "msmpeg4.h"
#include "msmpeg4data.h"
#include "wmv2.h"

Go to the source code of this file.

Functions
static int	parse_mb_skip (Wmv2Context *w)
static int	decode_ext_header (Wmv2Context *w)
int	ff_wmv2_decode_picture_header (MpegEncContext *s)
int	ff_wmv2_decode_secondary_picture_header (MpegEncContext *s)
static void	wmv2_decode_motion (Wmv2Context *w, int *mx_ptr, int *my_ptr)
static int16_t *	wmv2_pred_motion (Wmv2Context *w, int *px, int *py)
static int	wmv2_decode_inter_block (Wmv2Context *w, int16_t *block, int n, int cbp)
int	ff_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 AVCodec	ff_wmv2_decoder

Function Documentation

parse_mb_skip()

static int parse_mb_skip ( Wmv2Context *  w )

static

Definition at line 33 of file wmv2dec.c.

Referenced by ff_wmv2_decode_secondary_picture_header().

decode_ext_header()

static int decode_ext_header ( Wmv2Context *  w )

static

Definition at line 98 of file wmv2dec.c.

Referenced by ff_wmv2_decode_picture_header().

ff_wmv2_decode_picture_header()

int ff_wmv2_decode_picture_header

(

MpegEncContext *

s

)

Definition at line 136 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 171 of file wmv2dec.c.

Referenced by ff_h263_decode_frame().

wmv2_decode_motion()

static void wmv2_decode_motion ( Wmv2Context *  w, int *  mx_ptr, int *  my_ptr  )

inlinestatic

Definition at line 281 of file wmv2dec.c.

Referenced by ff_wmv2_decode_mb().

wmv2_pred_motion()

static int16_t* wmv2_pred_motion ( Wmv2Context *  w, int *  px, int *  py  )

static

Definition at line 293 of file wmv2dec.c.

Referenced by ff_wmv2_decode_mb().

wmv2_decode_inter_block()

static int wmv2_decode_inter_block ( Wmv2Context *  w, int16_t *  block, int  n, int  cbp  )

inlinestatic

Definition at line 338 of file wmv2dec.c.

Referenced by ff_wmv2_decode_mb().

ff_wmv2_decode_mb()

int ff_wmv2_decode_mb	(	MpegEncContext *	s,
		int16_t	block[6][64]
	)

Definition at line 378 of file wmv2dec.c.

Referenced by ff_msmpeg4_decode_init().

wmv2_decode_init()

static av_cold int wmv2_decode_init ( AVCodecContext *  avctx )

static

Definition at line 493 of file wmv2dec.c.

wmv2_decode_end()

static av_cold int wmv2_decode_end ( AVCodecContext *  avctx )

static

Definition at line 508 of file wmv2dec.c.

Variable Documentation

ff_wmv2_decoder

const AVCodec ff_wmv2_decoder

Initial value:

= {
    .name           = "wmv2",
    .long_name      = NULL_IF_CONFIG_SMALL("Windows Media Video 8"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_WMV2,
    .priv_data_size = sizeof(Wmv2Context),
    .init           = wmv2_decode_init,
    .close          = wmv2_decode_end,
    .decode         = ff_h263_decode_frame,
    .capabilities   = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
    .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
                                                     AV_PIX_FMT_NONE },
}

Definition at line 516 of file wmv2dec.c.