libavcodec/wnv1.c File Reference

Winnov WNV1 codec. More...

#include "avcodec.h"
#include "bitstream.h"

Go to the source code of this file.

Data Structures

struct  WNV1Context

Defines

#define CODE_VLC_BITS   9

Functions

static int wnv1_get_code (WNV1Context *w, int base_value)
static int decode_frame (AVCodecContext *avctx, void *data, int *data_size, const uint8_t *buf, int buf_size)
static av_cold int decode_init (AVCodecContext *avctx)

Variables

static const uint16_t code_tab [16][2]
static VLC code_vlc
AVCodec wnv1_decoder


Detailed Description

Winnov WNV1 codec.

Definition in file wnv1.c.


Define Documentation

#define CODE_VLC_BITS   9

Definition at line 45 of file wnv1.c.


Function Documentation

static int decode_frame ( AVCodecContext avctx,
void *  data,
int *  data_size,
const uint8_t *  buf,
int  buf_size 
) [static]

Definition at line 59 of file wnv1.c.

static av_cold int decode_init ( AVCodecContext avctx  )  [static]

Definition at line 133 of file wnv1.c.

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

Definition at line 49 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},
{0x000,1},
{0x004,3}, {0x0C,4}, {0x1C,5}, {0x3C,6}, {0x7C,7}, {0xFC,8}, {0x1FC,9}, {0xFF,8}
}

Definition at line 39 of file wnv1.c.

Referenced by decode_init().

VLC code_vlc [static]

Definition at line 46 of file wnv1.c.

Initial value:

 {
    "wnv1",
    CODEC_TYPE_VIDEO,
    CODEC_ID_WNV1,
    sizeof(WNV1Context),
    decode_init,
    NULL,
    NULL,
    decode_frame,
    CODEC_CAP_DR1,
    .long_name = NULL_IF_CONFIG_SMALL("Winnov WNV1"),
}

Definition at line 148 of file wnv1.c.


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