Files
lmms/src/core/BufferManager.cpp
Lukas W f23cf4e0bf Fix "out of buffers" crash (#3783)
Remove BufferManager implementation. Use MemoryManager allocation instead and re-use buffers where they are allocated (AudioPort.cpp & PlayHandle.cpp)
2017-09-26 20:33:09 +02:00

65 lines
1.8 KiB
C++

/*
* BufferManager.cpp - A buffer caching/memory management system
*
* Copyright (c) 2017 Lukas W <lukaswhl/at/gmail.com>
* Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
* Copyright (c) 2006-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include "BufferManager.h"
#include "Engine.h"
#include "Mixer.h"
#include "MemoryManager.h"
static fpp_t framesPerPeriod;
void BufferManager::init( fpp_t framesPerPeriod )
{
::framesPerPeriod = framesPerPeriod;
}
sampleFrame * BufferManager::acquire()
{
return MM_ALLOC( sampleFrame, ::framesPerPeriod );
}
void BufferManager::clear( sampleFrame *ab, const f_cnt_t frames, const f_cnt_t offset )
{
memset( ab + offset, 0, sizeof( *ab ) * frames );
}
#ifndef LMMS_DISABLE_SURROUND
void BufferManager::clear( surroundSampleFrame * ab, const f_cnt_t frames,
const f_cnt_t offset )
{
memset( ab + offset, 0, sizeof( *ab ) * frames );
}
#endif
void BufferManager::release( sampleFrame * buf )
{
MM_FREE( buf );
}