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
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	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().

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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.

Referenced by decode_channel().

AVCodec ff_wnv1_decoder

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.