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/*
(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 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 Shimokawa <andi@directfb.org>,
Marek Pikarski <mass@directfb.org>,
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 __FUSIONSOUND_CORE_SOUND_BUFFER_H__
#define __FUSIONSOUND_CORE_SOUND_BUFFER_H__
#include <fusionsound.h>
#include <fusion/object.h>
#include <core/fs_types.h>
#include <core/types_sound.h>
struct __FS_CoreSoundBuffer {
FusionObject object;
int length;
FSChannelMode mode;
FSSampleFormat format;
int rate;
int bytes;
bool notify;
int break_pos;
void *data;
FusionSHMPoolShared *shmpool;
};
/* mixing limitaion */
#define MAX_BUFFER_RATE (1 << ((sizeof(long)-2)*8) - 1)
typedef enum {
CSBNF_NONE
} CoreSoundBufferNotificationFlags;
typedef struct {
CoreSoundBufferNotificationFlags flags;
CoreSoundBuffer *buffer;
} CoreSoundBufferNotification;
/*
* Creates a pool of sound buffer objects.
*/
FusionObjectPool *fs_buffer_pool_create( const FusionWorld *world );
/*
* Generates fs_buffer_ref(), fs_buffer_attach() etc.
*/
FUSION_OBJECT_METHODS( CoreSoundBuffer, fs_buffer )
DirectResult fs_buffer_create( CoreSound *core,
int length,
FSChannelMode mode,
FSSampleFormat format,
int rate,
CoreSoundBuffer **ret_buffer );
DirectResult fs_buffer_lock ( CoreSoundBuffer *buffer,
int pos,
int length,
void **ret_data,
int *ret_bytes );
DirectResult fs_buffer_unlock( CoreSoundBuffer *buffer );
DirectResult fs_buffer_mixto ( CoreSoundBuffer *buffer,
__fsf *dest,
int dest_rate,
FSChannelMode dest_mode,
int max_frames,
int pos,
int stop,
__fsf levels[6],
int pitch,
int *ret_pos,
int *ret_num,
int *ret_written );
#endif
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