Initial Mercurial commit.

src/modules/audio/openal/Sound.cpp

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+/**
+* Copyright (c) 2006-2009 LOVE Development Team
+* 
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* 
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 
+* 1. The origin of this software must not be misrepresented; you must not
+*    claim that you wrote the original software. If you use this software
+*    in a product, an acknowledgment in the product documentation would be
+*    appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+*    misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+**/
+
+#include "Sound.h"
+
+#include <common/Exception.h>
+
+namespace love
+{
+namespace audio
+{
+namespace openal
+{
+	Sound::Sound(Pool * pool, love::sound::SoundData * data)
+		: pool(pool), buffer(0), source(source)
+	{
+		
+		// Generate the buffer.
+		alGenBuffers(1, &buffer);
+
+		int fmt = pool->getFormat(data->getChannels(), data->getBits());
+
+		if(fmt == 0)
+			throw love::Exception("Unsopported audio format.");
+
+		alBufferData(buffer, fmt, data->getData(), data->getSize(), data->getSampleRate());
+
+		// Note: we're done with the sound data
+		// at this point. No need to retain.
+	}
+
+	Sound::~Sound()
+	{
+		if(buffer)
+			alDeleteBuffers(1, &buffer);
+	}
+
+	void Sound::play(love::audio::Source * s)
+	{
+		// Set the buffer for the sound.
+		source = pool->find(s);
+
+		if(source)
+			alSourcei(source, AL_BUFFER, buffer);
+	}
+
+	void Sound::update(love::audio::Source * s)
+	{
+		// No need.
+	}
+
+	void Sound::stop(love::audio::Source * s)
+	{
+		// Also no need.
+	}
+
+	void Sound::rewind(love::audio::Source * s)
+	{
+		if(source)
+			alSourceRewind(source);
+	}
+
+} // openal
+} // audio
+} // love