Data Structures | Defines | Typedefs | Functions | Variables

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

Defines

#define CODE_VLC_BITS   9

Typedefs

typedef struct WNV1Context WNV1Context

Functions

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)

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 46 of file wnv1.c.

Referenced by decode_init(), and wnv1_get_code().


Typedef Documentation

typedef struct WNV1Context WNV1Context

Function Documentation

static av_cold int decode_end ( AVCodecContext avctx  )  [static]

Definition at line 147 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 131 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},
{0x000,1},
{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.

Initial value:
 {
    "wnv1",
    AVMEDIA_TYPE_VIDEO,
    CODEC_ID_WNV1,
    sizeof(WNV1Context),
    decode_init,
    NULL,
    decode_end,
    decode_frame,
    CODEC_CAP_DR1,
    .long_name = NULL_IF_CONFIG_SMALL("Winnov WNV1"),
}

Definition at line 157 of file wnv1.c.