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/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "internal.h"

Include dependency graph for vmnc.c:

Go to the source code of this file.

Data Structures
struct	VmncContext

Typedefs
typedef struct VmncContext	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 *got_frame, 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.

Typedef Documentation

typedef struct VmncContext VmncContext

Enumeration Type Documentation

enum EncTypes

Enumerator
MAGIC_WMVd
MAGIC_WMVe
MAGIC_WMVf
MAGIC_WMVg
MAGIC_WMVh
MAGIC_WMVi
MAGIC_WMVj

Definition at line 36 of file vmnc.c.

enum HexTile_Flags

Enumerator
HT_RAW
HT_BKG
HT_FG
HT_SUB
HT_CLR

Definition at line 46 of file vmnc.c.

Function Documentation

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 510 of file vmnc.c.

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

static

Definition at line 289 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 229 of file vmnc.c.

Referenced by decode_frame().

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 470 of file vmnc.c.

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

static

Definition at line 88 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 206 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 176 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 119 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 76 of file vmnc.c.

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

Variable Documentation

AVCodec ff_vmnc_decoder

Initial value:

= {
    .name           = "vmnc",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_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 522 of file vmnc.c.