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engines/hpl1/engine/impl/OpenALSoundChannel.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 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.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#ifndef HPL_OPENAL_SOUND_CHANNEL_H
+#define HPL_OPENAL_SOUND_CHANNEL_H
+
+#include "audio/audiostream.h"
+#include "audio/mixer.h"
+#include "common/file.h"
+#include "common/str.h"
+#include "hpl1/engine/impl/OpenALSoundData.h"
+#include "hpl1/engine/sound/SoundChannel.h"
+#include "hpl1/engine/sound/SoundData.h"
+
+//#include "OALWrapper/OAL_Funcs.h"
+
+namespace hpl {
+
+class cLowLevelSoundOpenAL;
+
+class cOpenALSoundChannel : public iSoundChannel {
+	friend class cLowLevelSoundOpenAL;
+
+public:
+	cOpenALSoundChannel(cOpenALSoundData *soundData, Audio::SeekableAudioStream *audioStream, cSoundManager *apSoundManger, cLowLevelSoundOpenAL *lowLevelSound, int priority);
+	~cOpenALSoundChannel();
+
+	void Play();
+	void Stop();
+
+	void SetPaused(bool abX);
+	void SetSpeed(float afSpeed);
+	void SetVolume(float afVolume);
+	void SetLooping(bool abLoop);
+	void SetPan(float afPan);
+	void Set3D(bool ab3D);
+
+	void SetPriority(int alX);
+	int GetPriority();
+
+	void SetPositionRelative(bool abRelative);
+	void SetPosition(const cVector3f &avPos);
+	void SetVelocity(const cVector3f &avVel);
+
+	void SetMinDistance(float fMin);
+	void SetMaxDistance(float fMax);
+
+	bool IsPlaying();
+
+	bool IsBufferUnderrun() { return false; }
+	double GetElapsedTime() { return g_system->getMixer()->getElapsedTime(_handle).secs(); }
+	double GetTotalTime() { return _audioStream->getLength().secs(); }
+
+	void SetAffectedByEnv(bool abAffected);
+	void SetFiltering(bool abEnabled, int alFlags);
+	void SetFilterGain(float afGain);
+	void SetFilterGainHF(float afGainHF);
+
+private:
+	void restart();
+
+	Audio::SoundHandle _handle;
+	Audio::SeekableAudioStream *_audioStream;
+	cLowLevelSoundOpenAL *_lowLevelSound;
+	int _priority;
+	// int mlDefaultFreq;
+
+	// float mfPosition[3];
+	// float mfVelocity[3];
+};
+
+} // namespace hpl
+
+#endif // HPL_OPENAL_CHANNEL_H