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Diffstat (limited to 'intern/SoundSystem/intern/SND_WaveCache.cpp')
-rw-r--r-- | intern/SoundSystem/intern/SND_WaveCache.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/intern/SoundSystem/intern/SND_WaveCache.cpp b/intern/SoundSystem/intern/SND_WaveCache.cpp new file mode 100644 index 00000000000..279bc29aa83 --- /dev/null +++ b/intern/SoundSystem/intern/SND_WaveCache.cpp @@ -0,0 +1,134 @@ +/* + * SND_WaveCache.cpp + * + * abstract wavecache, a way to organize samples + * + * $Id$ + * + * ***** BEGIN GPL/BL DUAL LICENSE BLOCK ***** + * + * 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + */ + +#ifdef WIN32 +#pragma warning (disable:4786) // Get rid of stupid stl-visual compiler debug warning +#endif //WIN32 + +#include "SND_WaveCache.h" +#include <stdio.h> + +#ifndef __APPLE__ +#include <malloc.h> +#else // __APPLE__ +#include <sys/malloc.h> +#endif // __APPLE__ + + +SND_WaveCache::SND_WaveCache() +{ + // do the buffer administration + for (int i = 0; i < NUM_BUFFERS; i++) + m_bufferList[i] = NULL; +} + + + +SND_WaveCache::~SND_WaveCache() +{ + // clean up the mess + FreeSamples(); + RemoveAllSamples(); +} + + + +SND_WaveSlot* SND_WaveCache::GetWaveSlot(const STR_String& samplename) +{ + SND_WaveSlot* waveslot = NULL; + + std::map<STR_String, SND_WaveSlot*>::iterator find_result = m_samplecache.find(samplename); + + // let's see if we have already loaded this sample + if (find_result != m_samplecache.end()) + { + waveslot = (*find_result).second; + } + else + { + // so the sample wasn't loaded, so do it here + for (int bufnum = 0; bufnum < NUM_BUFFERS; bufnum++) + { + // find an empty buffer + if (m_bufferList[bufnum] == NULL) + { + waveslot = new SND_WaveSlot(); + waveslot->SetSampleName(samplename); + waveslot->SetBuffer(bufnum); + m_bufferList[bufnum] = waveslot; + break; + } + } + m_samplecache.insert(std::pair<STR_String, SND_WaveSlot*>(samplename, waveslot)); + } + + return waveslot; +} + + + +void SND_WaveCache::RemoveAllSamples() +{ + // remove all samples + m_samplecache.clear(); + + // reset the list of buffers + for (int i = 0; i < NUM_BUFFERS; i++) + m_bufferList[i] = NULL; +} + + + +void SND_WaveCache::RemoveSample(const STR_String& samplename, int buffer) +{ + m_samplecache.erase(samplename); + m_bufferList[buffer] = NULL; +} + + + +void SND_WaveCache::FreeSamples() +{ + // iterate through the bufferlist and delete the waveslot if present + for (int i = 0; i < NUM_BUFFERS; i++) + { + if (m_bufferList[i]) + { + delete m_bufferList[i]; + m_bufferList[i] = NULL; + } + } +} |