libavcodec/wnv1.c File Reference

Winnov WNV1 codec. More...

#include "avcodec.h"
#include "get_bits.h"
#include "libavutil/common.h"

Go to the source code of this file.

Data Structures

struct  WNV1Context


#define CODE_VLC_BITS   9


static int wnv1_get_code (WNV1Context *w, int base_value)
static int decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static av_cold int decode_init (AVCodecContext *avctx)
static av_cold int decode_end (AVCodecContext *avctx)


static const uint16_t code_tab [16][2]
static VLC code_vlc
AVCodec ff_wnv1_decoder

Detailed Description

Winnov WNV1 codec.

Definition in file wnv1.c.

Define Documentation

#define CODE_VLC_BITS   9

Definition at line 46 of file wnv1.c.

Function Documentation

static av_cold int decode_end ( AVCodecContext avctx  )  [static]

Definition at line 155 of file wnv1.c.

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

Definition at line 60 of file wnv1.c.

static av_cold int decode_init ( AVCodecContext avctx  )  [static]

Definition at line 138 of file wnv1.c.

static int wnv1_get_code ( WNV1Context w,
int  base_value 
) [inline, static]

Definition at line 50 of file wnv1.c.

Referenced by decode_frame().

Variable Documentation

const uint16_t code_tab[16][2] [static]

Initial value:

{0x1FD,9}, {0xFD,8}, {0x7D,7}, {0x3D,6}, {0x1D,5}, {0x0D,4}, {0x005,3},
{0x004,3}, {0x0C,4}, {0x1C,5}, {0x3C,6}, {0x7C,7}, {0xFC,8}, {0x1FC,9}, {0xFF,8}

Definition at line 40 of file wnv1.c.

Referenced by decode_init().

VLC code_vlc [static]

Definition at line 47 of file wnv1.c.

Referenced by decode_channel().

Initial value:

    .name           = "wnv1",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_WNV1,
    .priv_data_size = sizeof(WNV1Context),
    .init           = decode_init,
    .close          = decode_end,
    .decode         = decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name      = NULL_IF_CONFIG_SMALL("Winnov WNV1"),

Definition at line 165 of file wnv1.c.

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