wmv2dec.c File Reference

#include "libavutil/avassert.h"
#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 "qpeldsp.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_mspel8_h_lowpass (uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
static void	wmv2_mspel8_v_lowpass (uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int w)
static void	put_mspel8_mc10_c (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void	put_mspel8_mc20_c (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void	put_mspel8_mc30_c (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void	put_mspel8_mc02_c (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void	put_mspel8_mc12_c (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void	put_mspel8_mc32_c (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static void	put_mspel8_mc22_c (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
static av_cold void	wmv2_mspel_init (WMV2DecContext *w)
void	ff_mspel_motion (MPVContext *const s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t *const *ref_picture, const op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h)
static void	wmv2_add_block (WMV2DecContext *w, int16_t blocks1[][64], 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 av_cold int	decode_ext_header (AVCodecContext *avctx, WMV2DecContext *w)
static int	wmv2_decode_picture_header (H263DecContext *const h)
int	ff_wmv2_decode_secondary_picture_header (H263DecContext *const h)
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 (H263DecContext *const h)
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_mspel8_h_lowpass()

static void wmv2_mspel8_h_lowpass ( uint8_t *  dst, const uint8_t *  src, int  dstStride, int  srcStride, int  h  )

static

Definition at line 63 of file wmv2dec.c.

Referenced by put_mspel8_mc10_c(), put_mspel8_mc12_c(), put_mspel8_mc20_c(), put_mspel8_mc22_c(), put_mspel8_mc30_c(), and put_mspel8_mc32_c().

wmv2_mspel8_v_lowpass()

static void wmv2_mspel8_v_lowpass ( uint8_t *  dst, const uint8_t *  src, int  dstStride, int  srcStride, int  w  )

static

Definition at line 82 of file wmv2dec.c.

Referenced by put_mspel8_mc02_c(), put_mspel8_mc12_c(), put_mspel8_mc22_c(), and put_mspel8_mc32_c().

put_mspel8_mc10_c()

static void put_mspel8_mc10_c ( uint8_t *  dst, const uint8_t *  src, ptrdiff_t  stride  )

static

Definition at line 112 of file wmv2dec.c.

Referenced by wmv2_mspel_init().

put_mspel8_mc20_c()

static void put_mspel8_mc20_c ( uint8_t *  dst, const uint8_t *  src, ptrdiff_t  stride  )

static

Definition at line 120 of file wmv2dec.c.

Referenced by wmv2_mspel_init().

put_mspel8_mc30_c()

static void put_mspel8_mc30_c ( uint8_t *  dst, const uint8_t *  src, ptrdiff_t  stride  )

static

Definition at line 125 of file wmv2dec.c.

Referenced by wmv2_mspel_init().

put_mspel8_mc02_c()

static void put_mspel8_mc02_c ( uint8_t *  dst, const uint8_t *  src, ptrdiff_t  stride  )

static

Definition at line 133 of file wmv2dec.c.

Referenced by wmv2_mspel_init().

put_mspel8_mc12_c()

static void put_mspel8_mc12_c ( uint8_t *  dst, const uint8_t *  src, ptrdiff_t  stride  )

static

Definition at line 138 of file wmv2dec.c.

Referenced by wmv2_mspel_init().

put_mspel8_mc32_c()

static void put_mspel8_mc32_c ( uint8_t *  dst, const uint8_t *  src, ptrdiff_t  stride  )

static

Definition at line 150 of file wmv2dec.c.

Referenced by wmv2_mspel_init().

put_mspel8_mc22_c()

static void put_mspel8_mc22_c ( uint8_t *  dst, const uint8_t *  src, ptrdiff_t  stride  )

static

Definition at line 162 of file wmv2dec.c.

Referenced by wmv2_mspel_init().

wmv2_mspel_init()

static av_cold void wmv2_mspel_init ( WMV2DecContext *  w )

static

Definition at line 170 of file wmv2dec.c.

Referenced by wmv2_decode_init().

ff_mspel_motion()

void ff_mspel_motion	(	MPVContext *const	s,
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr,
		uint8_t *const *	ref_picture,
		const op_pixels_func(*)	pix_op[4],
		int	motion_x,
		int	motion_y,
		int	h
	)

Definition at line 182 of file wmv2dec.c.

Referenced by mpv_motion_internal().

wmv2_add_block()

static void wmv2_add_block ( WMV2DecContext *  w, int16_t  blocks1[][64], uint8_t *  dst, int  stride, int  n  )

static

Definition at line 271 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 298 of file wmv2dec.c.

Referenced by mpv_reconstruct_mb_internal().

parse_mb_skip()

static int parse_mb_skip ( WMV2DecContext *  w )

static

Definition at line 315 of file wmv2dec.c.

Referenced by ff_wmv2_decode_secondary_picture_header().

decode_ext_header()

static av_cold int decode_ext_header ( AVCodecContext *  avctx, WMV2DecContext *  w  )

static

Definition at line 379 of file wmv2dec.c.

Referenced by wmv2_decode_init().

wmv2_decode_picture_header()

static int wmv2_decode_picture_header ( H263DecContext *const  h )

static

Definition at line 417 of file wmv2dec.c.

Referenced by wmv2_decode_init().

ff_wmv2_decode_secondary_picture_header()

int ff_wmv2_decode_secondary_picture_header

(

H263DecContext *const

h

)

Definition at line 448 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 560 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 572 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 616 of file wmv2dec.c.

Referenced by wmv2_decode_mb().

wmv2_decode_mb()

static int wmv2_decode_mb ( H263DecContext *const  h )

static

Definition at line 658 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 778 of file wmv2dec.c.

wmv2_decode_end()

static av_cold int wmv2_decode_end ( AVCodecContext *  avctx )

static

Definition at line 799 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 807 of file wmv2dec.c.