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/common.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 35 of file vmnc.c.

enum HexTile_Flags

Enumerator:

HT_RAW
HT_BKG
HT_FG
HT_SUB
HT_CLR

Definition at line 45 of file vmnc.c.

---

Function Documentation

static av_cold int decode_end

(

AVCodecContext *

avctx

)

[static]

Definition at line 501 of file vmnc.c.

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

Definition at line 288 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 228 of file vmnc.c.

Referenced by decode_frame().

static av_cold int decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 463 of file vmnc.c.

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

Definition at line 87 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 205 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 175 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 118 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 75 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 514 of file vmnc.c.