#include "v2u_defs.h"

Include dependency graph for v2u_compression.h:

Macros
#define	ENOSR 106

#define	EOK 0

#define	EPROTO 105

#define	V2U_COMPRESSION_LIB_VERSION 0x00000100

#define	V2UDEC_API

Typedefs
typedef struct v2udec_ctx *	V2U_DECOMPRESSION_LIB_CONTEXT

Functions
V2UDEC_API int	v2udec_decompress_frame (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char framebuf, int framebuflen, unsigned char bufout, int bufoutlen)

V2UDEC_API int	v2udec_decompress_frame2 (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char framebuf, int framebuflen, unsigned char bufout, int bufoutlen, const unsigned char *prev_frame, int prev_frame_len, int just_key_data)

V2UDEC_API void	v2udec_deinit_context (V2U_DECOMPRESSION_LIB_CONTEXT uctx)

V2UDEC_API V2U_UINT32	v2udec_get_cpalette (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char *framebuf, int framebuflen)

V2UDEC_API int	v2udec_get_decompressed_framelen (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char *framebuf, int framebuflen)

V2UDEC_API V2U_UINT32	v2udec_get_framelen (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char *framebuf, int framebuflen)

V2UDEC_API void	v2udec_get_frameres (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char framebuf, int framebuflen, V2URect rect)

V2UDEC_API V2U_UINT32	v2udec_get_headerlen (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char *framebuf, int framebuflen)

V2UDEC_API V2U_UINT32	v2udec_get_minheaderlen (V2U_DECOMPRESSION_LIB_CONTEXT uctx)

V2UDEC_API V2U_UINT32	v2udec_get_palette (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char *framebuf, int framebuflen)

V2UDEC_API V2U_TIME	v2udec_get_timestamp (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char *framebuf, int framebuflen)

V2UDEC_API void	v2udec_get_videomode (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char framebuf, int framebuflen, V2U_VideoMode vmode)

V2UDEC_API V2U_DECOMPRESSION_LIB_CONTEXT	v2udec_init_context (void)

V2UDEC_API int	v2udec_is_keyframe (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char *framebuf, int framebuflen)

V2UDEC_API int	v2udec_is_ordered (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char *framebuf, int framebuflen)

V2UDEC_API V2U_BOOL	v2udec_set_palette (V2U_DECOMPRESSION_LIB_CONTEXT uctx, const unsigned char *framebuf, int framebuflen, V2U_UINT32 palette)

Macro Definition Documentation

◆ ENOSR

#define ENOSR 106

Definition at line 40 of file v2u_compression.h.

◆ EOK

#define EOK 0

Definition at line 44 of file v2u_compression.h.

◆ EPROTO

#define EPROTO 105

Error codes used as a part of compression SDK

Definition at line 36 of file v2u_compression.h.

◆ V2U_COMPRESSION_LIB_VERSION

#define V2U_COMPRESSION_LIB_VERSION 0x00000100

Version of the library and files generatated by the compression algorithm

Definition at line 58 of file v2u_compression.h.

◆ V2UDEC_API

#define V2UDEC_API

Definition at line 28 of file v2u_compression.h.

Typedef Documentation

◆ V2U_DECOMPRESSION_LIB_CONTEXT

typedef struct v2udec_ctx* V2U_DECOMPRESSION_LIB_CONTEXT

Context of the files sequence Compression algorithm internaly keeps key frame. Therefore to decode sequence of frames common context must be created and used during decoding of consiquently captured frames

Definition at line 68 of file v2u_compression.h.

Function Documentation

◆ v2udec_decompress_frame()

V2UDEC_API int v2udec_decompress_frame	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen,
		unsigned char *	bufout,
		int	bufoutlen
	)

Decompression functions

◆ v2udec_decompress_frame2()

V2UDEC_API int v2udec_decompress_frame2	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen,
		unsigned char *	bufout,
		int	bufoutlen,
		const unsigned char *	prev_frame,
		int	prev_frame_len,
		int	just_key_data
	)

◆ v2udec_deinit_context()

V2UDEC_API void v2udec_deinit_context ( V2U_DECOMPRESSION_LIB_CONTEXT uctx )

◆ v2udec_get_cpalette()

V2UDEC_API V2U_UINT32 v2udec_get_cpalette	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen
	)

◆ v2udec_get_decompressed_framelen()

V2UDEC_API int v2udec_get_decompressed_framelen	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen
	)

◆ v2udec_get_framelen()

V2UDEC_API V2U_UINT32 v2udec_get_framelen	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen
	)

◆ v2udec_get_frameres()

V2UDEC_API void v2udec_get_frameres	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen,
		V2URect *	rect
	)

◆ v2udec_get_headerlen()

V2UDEC_API V2U_UINT32 v2udec_get_headerlen	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen
	)

Actual header size. Add this to v2udec_get_framelen() to obtain required buffer size to hold one compressed frame.

Returns: 0 on error.

◆ v2udec_get_minheaderlen()

V2UDEC_API V2U_UINT32 v2udec_get_minheaderlen ( V2U_DECOMPRESSION_LIB_CONTEXT uctx )

Functions to obtain information about the compressed frameMinimum header size. Useful when reading in bytestream. After receiving this number of bytes additional information about the frame can be obtained from v2udec_get_framelen() et al. This value can be different for different versions of V2U libraries.

◆ v2udec_get_palette()

V2UDEC_API V2U_UINT32 v2udec_get_palette	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen
	)

◆ v2udec_get_timestamp()

V2UDEC_API V2U_TIME v2udec_get_timestamp	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen
	)

Timestamp (in milliseconds) of the frame in the framebuf

◆ v2udec_get_videomode()

V2UDEC_API void v2udec_get_videomode	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen,
		V2U_VideoMode *	vmode
	)

◆ v2udec_init_context()

V2UDEC_API V2U_DECOMPRESSION_LIB_CONTEXT v2udec_init_context ( void )

◆ v2udec_is_keyframe()

V2UDEC_API int v2udec_is_keyframe	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen
	)

◆ v2udec_is_ordered()

V2UDEC_API int v2udec_is_ordered	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen
	)

◆ v2udec_set_palette()

V2UDEC_API V2U_BOOL v2udec_set_palette	(	V2U_DECOMPRESSION_LIB_CONTEXT	uctx,
		const unsigned char *	framebuf,
		int	framebuflen,
		V2U_UINT32	palette
	)

Macros

Typedefs

Functions