dvdec.c File Reference

DV decoder. More...

#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "dv.h"
#include "dvdata.h"
#include "get_bits.h"
#include "idctdsp.h"
#include "internal.h"
#include "put_bits.h"
#include "simple_idct.h"

Go to the source code of this file.

Data Structures
struct	BlockInfo

Functions
static av_cold int	dvvideo_decode_init (AVCodecContext *avctx)
static void	dv_decode_ac (GetBitContext *gb, BlockInfo *mb, int16_t *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 *got_frame, AVPacket *avpkt)

Variables
static const int	dv_iweight_bits = 14
AVCodec	ff_dvvideo_decoder

Detailed Description

DV decoder.

Definition in file dvdec.c.

Function Documentation

static av_cold int dvvideo_decode_init ( AVCodecContext *  avctx )

static

Definition at line 64 of file dvdec.c.

static void dv_decode_ac ( GetBitContext *  gb, BlockInfo *  mb, int16_t *  block  )

static

Definition at line 91 of file dvdec.c.

Referenced by dv_decode_video_segment().

static void bit_copy ( PutBitContext *  pb, GetBitContext *  gb  )

inlinestatic

Definition at line 151 of file dvdec.c.

Referenced by dv_decode_video_segment().

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

static

Definition at line 163 of file dvdec.c.

Referenced by dvvideo_decode_frame().

static int dvvideo_decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 355 of file dvdec.c.

Variable Documentation

const int dv_iweight_bits = 14

static

Definition at line 62 of file dvdec.c.

Referenced by dv_decode_ac().

AVCodec ff_dvvideo_decoder

Initial value:

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

Definition at line 421 of file dvdec.c.