forked from bartvdbraak/blender
84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
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/*
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* $Id$
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*
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* ***** BEGIN LGPL LICENSE BLOCK *****
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*
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* Copyright 2009 Jörg Hermann Müller
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*
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* This file is part of AudaSpace.
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*
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* AudaSpace is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* AudaSpace is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
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*
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* ***** END LGPL LICENSE BLOCK *****
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*/
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#include "AUD_SDLMixer.h"
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#include "AUD_SDLMixerFactory.h"
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#include <SDL.h>
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AUD_SDLMixer::AUD_SDLMixer()
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{
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m_factory = NULL;
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}
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AUD_SDLMixer::~AUD_SDLMixer()
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{
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if(m_factory)
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{
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delete m_factory; AUD_DELETE("factory")
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}
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}
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AUD_IReader* AUD_SDLMixer::prepare(AUD_IReader* reader)
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{
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m_factory->setReader(reader);
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return m_factory->createReader();
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}
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void AUD_SDLMixer::setSpecs(AUD_Specs specs)
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{
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m_samplesize = AUD_SAMPLE_SIZE(specs);
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if(m_factory)
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{
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delete m_factory; AUD_DELETE("factory")
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}
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m_factory = new AUD_SDLMixerFactory(specs); AUD_NEW("factory")
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}
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void AUD_SDLMixer::add(sample_t* buffer, AUD_Specs specs, int length,
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float volume)
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{
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AUD_SDLMixerBuffer buf;
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buf.buffer = buffer;
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buf.length = length;
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buf.volume = volume;
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m_buffers.push_back(buf);
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}
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void AUD_SDLMixer::superpose(sample_t* buffer, int length, float volume)
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{
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AUD_SDLMixerBuffer buf;
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while(!m_buffers.empty())
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{
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buf = m_buffers.front();
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m_buffers.pop_front();
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SDL_MixAudio((Uint8*)buffer,
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(Uint8*)buf.buffer,
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buf.length * m_samplesize,
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(int)(SDL_MIX_MAXVOLUME * volume * buf.volume));
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}
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}
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