diff options
Diffstat (limited to 'intern/audaspace/SDL/AUD_SDLMixer.h')
-rw-r--r-- | intern/audaspace/SDL/AUD_SDLMixer.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/intern/audaspace/SDL/AUD_SDLMixer.h b/intern/audaspace/SDL/AUD_SDLMixer.h new file mode 100644 index 00000000000..2cc4e51f66d --- /dev/null +++ b/intern/audaspace/SDL/AUD_SDLMixer.h @@ -0,0 +1,76 @@ +/* + * $Id$ + * + * ***** BEGIN LGPL LICENSE BLOCK ***** + * + * Copyright 2009 Jörg Hermann Müller + * + * This file is part of AudaSpace. + * + * AudaSpace 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 3 of the License, or + * (at your option) any later version. + * + * AudaSpace 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 AudaSpace. If not, see <http://www.gnu.org/licenses/>. + * + * ***** END LGPL LICENSE BLOCK ***** + */ + +#ifndef AUD_SDLMIXER +#define AUD_SDLMIXER + +#include "AUD_IMixer.h" +class AUD_SDLMixerFactory; +#include <list> + +struct AUD_SDLMixerBuffer +{ + sample_t* buffer; + int length; + float volume; +}; + +/** + * This class is able to mix audiosignals with the help of SDL. + */ +class AUD_SDLMixer : public AUD_IMixer +{ +private: + /** + * The mixer factory that prepares all readers for superposition. + */ + AUD_SDLMixerFactory* m_factory; + + /** + * The list of buffers to superpose. + */ + std::list<AUD_SDLMixerBuffer> m_buffers; + + /** + * The size of an output sample. + */ + int m_samplesize; + +public: + /** + * Creates the mixer. + */ + AUD_SDLMixer(); + + virtual ~AUD_SDLMixer(); + + virtual AUD_IReader* prepare(AUD_IReader* reader); + virtual void setSpecs(AUD_Specs specs); + virtual void add(sample_t* buffer, AUD_Specs specs, int length, + float volume); + virtual void superpose(sample_t* buffer, int length, float volume); +}; + +#endif //AUD_SDLMIXER |