vb.c File Reference

VB Video decoder. More...

#include <stdio.h>
#include <stdlib.h>
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	VBDecContext

Enumerations
enum	VBFlags {   VB_HAS_GMC = 0x01, VB_HAS_AUDIO = 0x04, VB_HAS_VIDEO = 0x08, VB_HAS_PALETTE = 0x10,   VB_HAS_LENGTH = 0x20, VB_HAS_GMC = 0x01, VB_HAS_AUDIO = 0x04, VB_HAS_VIDEO = 0x08,   VB_HAS_PALETTE = 0x10, VB_HAS_LENGTH = 0x20 }

Functions
static void	vb_decode_palette (VBDecContext *c, int data_size)
static int	check_pixel (uint8_t *buf, uint8_t *start, uint8_t *end)
static int	check_line (uint8_t *buf, uint8_t *start, uint8_t *end)
static int	vb_decode_framedata (VBDecContext *c, int offset)
static int	decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_init (AVCodecContext *avctx)
static av_cold int	decode_end (AVCodecContext *avctx)

Variables
static const uint16_t	vb_patterns [64]
AVCodec	ff_vb_decoder

Detailed Description

VB Video decoder.

Definition in file vb.c.

Enumeration Type Documentation

VBFlags

enum VBFlags

Enumerator
VB_HAS_GMC
VB_HAS_AUDIO
VB_HAS_VIDEO
VB_HAS_PALETTE
VB_HAS_LENGTH
VB_HAS_GMC
VB_HAS_AUDIO
VB_HAS_VIDEO
VB_HAS_PALETTE
VB_HAS_LENGTH

Definition at line 34 of file vb.c.

Function Documentation

vb_decode_palette()

static void vb_decode_palette ( VBDecContext *  c, int  data_size  )

static

Definition at line 61 of file vb.c.

Referenced by decode_frame().

check_pixel()

static int check_pixel ( uint8_t *  buf, uint8_t *  start, uint8_t *  end  )

inlinestatic

Definition at line 79 of file vb.c.

Referenced by vb_decode_framedata().

check_line()

static int check_line ( uint8_t *  buf, uint8_t *  start, uint8_t *  end  )

inlinestatic

Definition at line 84 of file vb.c.

Referenced by vb_decode_framedata().

vb_decode_framedata()

static int vb_decode_framedata ( VBDecContext *  c, int  offset  )

static

Definition at line 89 of file vb.c.

Referenced by decode_frame().

decode_frame()

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

static

Definition at line 187 of file vb.c.

decode_init()

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 248 of file vb.c.

decode_end()

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 267 of file vb.c.

Variable Documentation

vb_patterns

const uint16_t vb_patterns[64]

static

Initial value:

= {
    0x0660, 0xFF00, 0xCCCC, 0xF000, 0x8888, 0x000F, 0x1111, 0xFEC8,
    0x8CEF, 0x137F, 0xF731, 0xC800, 0x008C, 0x0013, 0x3100, 0xCC00,
    0x00CC, 0x0033, 0x3300, 0x0FF0, 0x6666, 0x00F0, 0x0F00, 0x2222,
    0x4444, 0xF600, 0x8CC8, 0x006F, 0x1331, 0x318C, 0xC813, 0x33CC,
    0x6600, 0x0CC0, 0x0066, 0x0330, 0xF900, 0xC88C, 0x009F, 0x3113,
    0x6000, 0x0880, 0x0006, 0x0110, 0xCC88, 0xFC00, 0x00CF, 0x88CC,
    0x003F, 0x1133, 0x3311, 0xF300, 0x6FF6, 0x0603, 0x08C6, 0x8C63,
    0xC631, 0x6310, 0xC060, 0x0136, 0x136C, 0x36C8, 0x6C80, 0x324C
}

Definition at line 50 of file vb.c.

Referenced by vb_decode_framedata().

ff_vb_decoder

AVCodec ff_vb_decoder

Initial value:

= {
    .name           = "vb",
    .long_name      = NULL_IF_CONFIG_SMALL("Beam Software VB"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_VB,
    .priv_data_size = sizeof(VBDecContext),
    .init           = decode_init,
    .close          = decode_end,
    .decode         = decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
}

Definition at line 277 of file vb.c.