libavcodec/vmnc.c File Reference

VMware Screen Codec (VMnc) decoder As Alex Beregszaszi discovered, this is effectively RFB data dump. More...

#include <stdio.h>
#include <stdlib.h>
#include "libavutil/intreadwrite.h"
#include "avcodec.h"

Go to the source code of this file.

Data Structures

struct  VmncContext

Enumerations

enum  EncTypes {
  MAGIC_WMVd = 0x574D5664, MAGIC_WMVe, MAGIC_WMVf, MAGIC_WMVg,
  MAGIC_WMVh, MAGIC_WMVi, MAGIC_WMVj
}
enum  HexTile_Flags {
  HT_RAW = 1, HT_BKG = 2, HT_FG = 4, HT_SUB = 8,
  HT_CLR = 16
}

Functions

static av_always_inline int vmnc_get_pixel (const uint8_t *buf, int bpp, int be)
static void load_cursor (VmncContext *c, const uint8_t *src)
static void put_cursor (uint8_t *dst, int stride, VmncContext *c, int dx, int dy)
static av_always_inline void paint_rect (uint8_t *dst, int dx, int dy, int w, int h, int color, int bpp, int stride)
static av_always_inline void paint_raw (uint8_t *dst, int w, int h, const uint8_t *src, int bpp, int be, int stride)
static int decode_hextile (VmncContext *c, uint8_t *dst, const uint8_t *src, int ssize, int w, int h, int stride)
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

AVCodec ff_vmnc_decoder


Detailed Description

VMware Screen Codec (VMnc) decoder As Alex Beregszaszi discovered, this is effectively RFB data dump.

Definition in file vmnc.c.


Enumeration Type Documentation

enum EncTypes

Enumerator:
MAGIC_WMVd 
MAGIC_WMVe 
MAGIC_WMVf 
MAGIC_WMVg 
MAGIC_WMVh 
MAGIC_WMVi 
MAGIC_WMVj 

Definition at line 34 of file vmnc.c.

Enumerator:
HT_RAW 
HT_BKG 
HT_FG 
HT_SUB 
HT_CLR 

Definition at line 44 of file vmnc.c.


Function Documentation

static av_cold int decode_end ( AVCodecContext avctx  )  [static]

Definition at line 500 of file vmnc.c.

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

Definition at line 287 of file vmnc.c.

static int decode_hextile ( VmncContext c,
uint8_t *  dst,
const uint8_t *  src,
int  ssize,
int  w,
int  h,
int  stride 
) [static]

Definition at line 227 of file vmnc.c.

Referenced by decode_frame().

static av_cold int decode_init ( AVCodecContext avctx  )  [static]

Definition at line 462 of file vmnc.c.

static void load_cursor ( VmncContext c,
const uint8_t *  src 
) [static]

Definition at line 86 of file vmnc.c.

Referenced by decode_frame().

static av_always_inline void paint_raw ( uint8_t *  dst,
int  w,
int  h,
const uint8_t *  src,
int  bpp,
int  be,
int  stride 
) [static]

Definition at line 204 of file vmnc.c.

Referenced by decode_frame(), and decode_hextile().

static av_always_inline void paint_rect ( uint8_t *  dst,
int  dx,
int  dy,
int  w,
int  h,
int  color,
int  bpp,
int  stride 
) [static]

Definition at line 174 of file vmnc.c.

Referenced by decode_hextile().

static void put_cursor ( uint8_t *  dst,
int  stride,
VmncContext c,
int  dx,
int  dy 
) [static]

Definition at line 117 of file vmnc.c.

Referenced by decode_frame().

static av_always_inline int vmnc_get_pixel ( const uint8_t *  buf,
int  bpp,
int  be 
) [static]

Definition at line 74 of file vmnc.c.

Referenced by decode_hextile(), load_cursor(), and paint_raw().


Variable Documentation

Initial value:

 {
    .name           = "vmnc",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_VMNC,
    .priv_data_size = sizeof(VmncContext),
    .init           = decode_init,
    .close          = decode_end,
    .decode         = decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name = NULL_IF_CONFIG_SMALL("VMware Screen Codec / VMware Video"),
}

Definition at line 513 of file vmnc.c.


Generated on Fri Oct 26 02:46:11 2012 for FFmpeg by  doxygen 1.5.8