From 38d6d37f2d982fa959e9e8a4a3f7e1ccfad7b5d4 Mon Sep 17 00:00:00 2001
From: Jacek Antonelli
Date: Fri, 15 Aug 2008 23:44:46 -0500
Subject: Second Life viewer sources 1.13.2.12

---
 linden/indra/llaudio/audioengine_fmod.h | 158 ++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 linden/indra/llaudio/audioengine_fmod.h

(limited to 'linden/indra/llaudio/audioengine_fmod.h')

diff --git a/linden/indra/llaudio/audioengine_fmod.h b/linden/indra/llaudio/audioengine_fmod.h
new file mode 100644
index 0000000..9274b1b
--- /dev/null
+++ b/linden/indra/llaudio/audioengine_fmod.h
@@ -0,0 +1,158 @@
+/** 
+ * @file audioengine_fmod.h
+ * @brief Definition of LLAudioEngine class abstracting the audio
+ * support as a FMOD 3D implementation
+ *
+ * Copyright (c) 2002-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_AUDIOENGINE_FMOD_H
+#define LL_AUDIOENGINE_FMOD_H
+
+#include "audioengine.h"
+
+#if LL_FMOD
+
+#include "listener_fmod.h"
+
+#include "fmod.h"
+
+class LLAudioStreamFMOD;
+
+class LLAudioEngine_FMOD : public LLAudioEngine 
+{
+public:
+	LLAudioEngine_FMOD();
+	virtual ~LLAudioEngine_FMOD();
+
+	// initialization/startup/shutdown
+	virtual BOOL init(const S32 num_channels, void *user_data);
+	virtual void allocateListener();
+
+	virtual void shutdown();
+
+	virtual void idle(F32 max_decode_time = 0.f);
+
+	// Internet stream methods
+	virtual void initInternetStream();
+	virtual void startInternetStream(const char* url);
+	virtual void updateInternetStream();
+	virtual void stopInternetStream();
+	virtual void pauseInternetStream(int pause);
+	virtual int isInternetStreamPlaying();
+	virtual void getInternetStreamInfo(char* artist, char* title);
+	virtual void setInternetStreamGain(F32 vol);
+	virtual const char* getInternetStreamURL();
+
+	/*virtual*/ void initWind();
+	/*virtual*/ void cleanupWind();
+
+	/*virtual*/void updateWind(LLVector3 direction, F32 camera_height_above_water);
+
+protected:
+	/*virtual*/ LLAudioBuffer *createBuffer(); // Get a free buffer, or flush an existing one if you have to.
+	/*virtual*/ LLAudioChannel *createChannel(); // Create a new audio channel.
+
+	/*virtual*/ void setInternalGain(F32 gain);
+protected:
+	static signed char F_CALLBACKAPI callbackMetaData(char* name, char* value, void* userdata);
+
+	LLAudioStreamFMOD *mCurrentInternetStreamp;
+	char mInternetStreamURL[1024];	/*Flawfinder: ignore*/
+	int mInternetStreamChannel;
+
+	std::list<LLAudioStreamFMOD *> mDeadStreams;
+
+	//F32 mMinDistance[MAX_BUFFERS];
+	//F32 mMaxDistance[MAX_BUFFERS];
+
+	S32 mFadeIn;
+	BOOL mInited;
+
+	// On Windows, userdata is the HWND of the application window.
+	void* mUserData;
+
+};
+
+
+class LLAudioChannelFMOD : public LLAudioChannel
+{
+public:
+	LLAudioChannelFMOD();
+	virtual ~LLAudioChannelFMOD();
+
+protected:
+	/*virtual*/ void play();
+	/*virtual*/ void playSynced(LLAudioChannel *channelp);
+	/*virtual*/ void cleanup();
+	/*virtual*/ BOOL isPlaying();
+
+	/*virtual*/ BOOL updateBuffer();
+	/*virtual*/ void update3DPosition();
+	/*virtual*/ void updateLoop();
+
+protected:
+	int mChannelID;
+	S32 mLastSamplePos;
+};
+
+
+class LLAudioBufferFMOD : public LLAudioBuffer
+{
+public:
+	LLAudioBufferFMOD();
+	virtual ~LLAudioBufferFMOD();
+
+	/*virtual*/ BOOL loadWAV(const char *filename);
+	/*virtual*/ U32 getLength();
+	friend class LLAudioChannelFMOD;
+
+	void set3DMode(BOOL use3d);
+protected:
+	FSOUND_SAMPLE *getSample()	{ return mSamplep; }
+protected:
+	FSOUND_SAMPLE *mSamplep;
+};
+
+class LLAudioStreamFMOD
+{
+public:
+	LLAudioStreamFMOD(const char *url);
+	int	startStream();
+	BOOL stopStream(); // Returns true if the stream was successfully stopped.
+	BOOL ready();
+
+	char *getURL() 	{ return mInternetStreamURL; }
+
+	int getOpenState();
+protected:
+	FSOUND_STREAM* mInternetStream;
+	BOOL mReady;
+
+	char mInternetStreamURL[1024];	/*Flawfinder: ignore*/
+};
+
+#endif
+
+#endif
+
-- 
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