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/*
(c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef __IDIRECTFBDATABUFFER_H__
#define __IDIRECTFBDATABUFFER_H__
#include <core/core.h>
/*
* private data struct of IDirectFBDataBuffer
*/
typedef struct {
int ref; /* reference counter */
char *filename; /* Only set if databuffer is created from file. */
CoreDFB *core;
bool is_memory;
} IDirectFBDataBuffer_data;
/*
* private data struct of IDirectFBDataBuffer_File
*/
typedef struct {
IDirectFBDataBuffer_data base;
DirectStream *stream;
pthread_mutex_t mutex;
} IDirectFBDataBuffer_File_data;
/*
* private data struct of IDirectFBDataBuffer_Memory
*/
typedef struct {
IDirectFBDataBuffer_data base;
const void *buffer;
unsigned int length;
unsigned int pos;
} IDirectFBDataBuffer_Memory_data;
/*
* base constructor
*
* If the databuffer is created for a file, the filename can be provided
* for fallbacks.
*/
DFBResult IDirectFBDataBuffer_Construct( IDirectFBDataBuffer *thiz,
const char *filename,
CoreDFB *core );
/*
* base destructor
*/
void IDirectFBDataBuffer_Destruct( IDirectFBDataBuffer *thiz );
/*
* generic streamed data buffer
*/
DFBResult IDirectFBDataBuffer_Streamed_Construct( IDirectFBDataBuffer *thiz,
CoreDFB *core );
/*
* file based static data buffer
*/
DFBResult IDirectFBDataBuffer_File_Construct( IDirectFBDataBuffer *thiz,
const char *filename,
CoreDFB *core );
/*
* memory based static data buffer
*/
DFBResult IDirectFBDataBuffer_Memory_Construct( IDirectFBDataBuffer *thiz,
const void *data,
unsigned int length,
CoreDFB *core );
#endif
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