libavcodec/dvdec.c File Reference

DV decoder. More...

#include "libavutil/avassert.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "dsputil.h"
#include "get_bits.h"
#include "put_bits.h"
#include "simple_idct.h"
#include "dvdata.h"

Go to the source code of this file.

Data Structures
struct	BlockInfo
Functions
static void	dv_decode_ac (GetBitContext *gb, BlockInfo *mb, DCTELEM *block)
static void	bit_copy (PutBitContext *pb, GetBitContext *gb)
static int	dv_decode_video_segment (AVCodecContext *avctx, void *arg)
static int	dvvideo_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static int	dvvideo_close (AVCodecContext *c)
Variables
static const int	dv_iweight_bits = 14
AVCodec	ff_dvvideo_decoder

---

Detailed Description

DV decoder.

Definition in file dvdec.c.

---

Function Documentation

static void bit_copy	(	PutBitContext *	pb,
		GetBitContext *	gb
	)			[inline, static]

Definition at line 118 of file dvdec.c.

Referenced by dv_decode_video_segment().

static void dv_decode_ac	(	GetBitContext *	gb,
		BlockInfo *	mb,
		DCTELEM *	block
	)			[static]

Definition at line 60 of file dvdec.c.

Referenced by dv_decode_video_segment().

static int dv_decode_video_segment	(	AVCodecContext *	avctx,
		void *	arg
	)			[static]

Definition at line 131 of file dvdec.c.

Referenced by dvvideo_decode_frame().

static int dvvideo_close

(

AVCodecContext *

c

)

[static]

Definition at line 367 of file dvdec.c.

static int dvvideo_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		AVPacket *	avpkt
	)			[static]

Definition at line 313 of file dvdec.c.

---

Variable Documentation

const int dv_iweight_bits = 14 [static]

Definition at line 57 of file dvdec.c.

Referenced by dv_decode_ac().

AVCodec ff_dvvideo_decoder

Initial value:

 {
    .name           = "dvvideo",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_DVVIDEO,
    .priv_data_size = sizeof(DVVideoContext),
    .init           = ff_dvvideo_init,
    .close          = dvvideo_close,
    .decode         = dvvideo_decode_frame,
    .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_SLICE_THREADS,
    .max_lowres     = 3,
    .long_name      = NULL_IF_CONFIG_SMALL("DV (Digital Video)"),
}

Definition at line 377 of file dvdec.c.