Added: #1460 Music channel on top of stream file source when driver does not have built-in music channels

--HG--
branch : sound_dev

code/nel/include/nel/sound/driver/music_channel.h

@@ -45,6 +45,9 @@ public:
 	/// Stop the music previously loaded and played (the Memory is also freed)
 	virtual void stop() =0;
 
+	/// Makes sure any resources are freed, but keeps available for next play call
+	virtual void reset() =0;
+
 	/// Pause the music previously loaded and played (the Memory is not freed)
 	virtual void pause() =0;
 	

code/nel/include/nel/sound/music_channel_fader.h

@@ -87,6 +87,8 @@ public:
 	void init(ISoundDriver *soundDriver);
 	void release();
 
+	void reset();
+
 	void update(); // time in seconds
 	inline bool isInitOk() { return _SoundDriver != NULL; }
 

code/nel/include/nel/sound/source_music_channel.h

@@ -0,0 +1,100 @@
+/**
+ * \file source_music_channel.h
+ * \brief CSourceMusicChannel
+ * \date 2012-04-11 16:08GMT
+ * \author Jan Boon (Kaetemi)
+ * CSourceMusicChannel
+ */
+
+/* 
+ * Copyright (C) 2012  by authors
+ * 
+ * This file is part of RYZOM CORE.
+ * RYZOM CORE is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * RYZOM CORE 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
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public
+ * License along with RYZOM CORE.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NLSOUND_SOURCE_MUSIC_CHANNEL_H
+#define NLSOUND_SOURCE_MUSIC_CHANNEL_H
+#include <nel/misc/types_nl.h>
+
+// STL includes
+
+// NeL includes
+#include <nel/sound/driver/music_channel.h>
+#include <nel/sound/stream_file_sound.h>
+
+// Project includes
+
+namespace NLSOUND {
+	class CStreamFileSource;
+
+/**
+ * \brief CSourceMusicChannel
+ * \date 2012-04-11 16:08GMT
+ * \author Jan Boon (Kaetemi)
+ * CSourceMusicChannel
+ */
+class CSourceMusicChannel : public IMusicChannel
+{
+public:
+	CSourceMusicChannel();
+	virtual ~CSourceMusicChannel();
+
+	/** Play some music (.ogg etc...)
+	 *	NB: if an old music was played, it is first stop with stopMusic()
+	 *	\param filepath file path, CPath::lookup is done here
+	 *  \param async stream music from hard disk, preload in memory if false
+	 *	\param loop must be true to play the music in loop. 
+	 */
+	virtual bool play(const std::string &filepath, bool async, bool loop); 
+	
+	/// Stop the music previously loaded and played (the Memory is also freed)
+	virtual void stop();
+
+	/// Makes sure any resources are freed, but keeps available for next play call
+	virtual void reset();
+	
+	/// Pause the music previously loaded and played (the Memory is not freed)
+	virtual void pause();
+	
+	/// Resume the music previously paused
+	virtual void resume();
+	
+	/// Return true if a song is finished.
+	virtual bool isEnded();
+	
+	/// Return true if the song is still loading asynchronously and hasn't started playing yet (false if not async), used to delay fading
+	virtual bool isLoadingAsync();
+	
+	/// Return the total length (in second) of the music currently played
+	virtual float getLength();
+	
+	/** Set the music volume (if any music played). (volume value inside [0 , 1]) (default: 1)
+	 *	NB: the volume of music is NOT affected by IListener::setGain()
+	 */
+	virtual void setVolume(float gain);
+	
+private:
+	CStreamFileSound m_Sound;
+	CStreamFileSource *m_Source;
+	float m_Gain;
+
+}; /* class CSourceMusicChannel */
+
+} /* namespace NLSOUND */
+
+#endif /* #ifndef NLSOUND_SOURCE_MUSIC_CHANNEL_H */
+
+/* end of file */

code/nel/include/nel/sound/stream_file_source.h

@@ -70,6 +70,10 @@ public:
 	void resume();
 	/// check if song ended (following legacy music channel implementation)
 	bool isEnded();
+	/// (following legacy music channel implementation)
+	float getLength();
+	/// check if still loading (following legacy music channel implementation)
+	bool isLoadingAsync();
 	//@}
 
 	/// \name Decoding thread

code/nel/include/nel/sound/stream_source.h

@@ -107,6 +107,9 @@ public:
 	virtual bool					hasFilledBuffersAvailable() const;
 	//@}
 	
+	/// Prepare the buffers in this stream for the given maximum capacity. (TODO: Move this into UStreamSource)
+	void preAllocate(uint capacity);
+	
 	/// Return the track
 	CTrack							*getTrack()									{ return m_Track; }
 

code/nel/samples/sound/stream_file/stream_file.cpp

@@ -42,6 +42,8 @@
 #define NL_SOUND_DATA "."
 #endif // NL_SOUND_DATA
 
+#define SAMPLE_OGG "D:/source/kaetemi/toverhex/src/samples/music_stream/data/aeon_1_10_mystic_river.ogg"
+
 using namespace std;
 using namespace NLMISC;
 using namespace NLSOUND;
@@ -130,6 +132,9 @@ static void runSample()
 			case 'r':
 				s_StreamFileSource->resume();
 				break;
+			case 'e':
+				s_AudioMixer->playMusic(SAMPLE_OGG, 1000, true, false);
+				break;
 			default:
 				return;
 			}

code/nel/src/sound/CMakeLists.txt

@@ -38,6 +38,7 @@ FILE(GLOB MUSIC
 	music_sound.cpp ../../include/nel/sound/music_sound.h
 	music_sound_manager.cpp ../../include/nel/sound/music_sound_manager.h
 	music_source.cpp ../../include/nel/sound/music_source.h
+	source_music_channel.cpp ../../include/nel/sound/source_music_channel.h
 )
 
 FILE(GLOB SOUND

code/nel/src/sound/audio_mixer_user.cpp

@@ -269,8 +269,8 @@ void CAudioMixerUser::reset()
 	_Leaving = true;
 
 	_SourceWaitingForPlay.clear();
-
-	/* TODO: Stop music channels */
+	
+	_MusicChannelFaders->reset();
 
 	// Stop tracks
 	uint i;

code/nel/src/sound/driver/fmod/music_channel_fmod.cpp

@@ -249,6 +249,12 @@ void CMusicChannelFMod::stop()
 	_CallBackEnded = false;
 }
 
+void CMusicChannelFMod::reset()
+{
+	// don't care
+	stop();
+}
+
 /** Pause the music previously loaded and played (the Memory is not freed)
  */
 void CMusicChannelFMod::pause()

code/nel/src/sound/driver/fmod/music_channel_fmod.h

@@ -87,6 +87,9 @@ public:
 	/// Stop the music previously loaded and played (the Memory is also freed)
 	virtual void stop();
 
+	/// Makes sure any resources are freed, but keeps available for next play call
+	virtual void reset();
+
 	/// Pause the music previously loaded and played (the Memory is not freed)
 	virtual void pause();
 	

code/nel/src/sound/music_channel_fader.cpp

@@ -20,6 +20,7 @@
 // Project includes
 #include "nel/sound/driver/sound_driver.h"
 #include "nel/sound/driver/music_channel.h"
+#include "nel/sound/source_music_channel.h"
 
 using namespace std;
 using namespace NLMISC;
@@ -49,9 +50,16 @@ void CMusicChannelFader::init(ISoundDriver *soundDriver)
 		_MusicFader[i].MusicChannel = _SoundDriver->createMusicChannel();
 		if (!_MusicFader[i].MusicChannel)
 		{
-			release();
-			nlwarning("No music channel available!");
-			return;
+			if (_SoundDriver->getOption(ISoundDriver::OptionHasBufferStreaming))
+			{
+				_MusicFader[i].MusicChannel = new CSourceMusicChannel();
+			}
+			else
+			{
+				release();
+				nlwarning("No music channel available!");
+				return;
+			}
 		}
 	}
 }
@@ -69,6 +77,15 @@ void CMusicChannelFader::release()
 	}
 }
 
+void CMusicChannelFader::reset()
+{
+	for (uint i = 0; i < _MaxMusicFader; ++i) if (_MusicFader[i].MusicChannel) 
+	{
+		if (_MusicFader[i].MusicChannel)
+			_MusicFader[i].MusicChannel->reset();
+	}
+}
+
 void CMusicChannelFader::update()
 {
 	TTime current_time = CTime::getLocalTime();

code/nel/src/sound/sound.cpp

@@ -115,7 +115,8 @@ CSound::CSound() :
 	_Looping(false),
 	_MinDist(1.0f),
 	_MaxDist(1000000.0f),
-	_UserVarControler(CStringMapper::emptyId())
+	_UserVarControler(CStringMapper::emptyId()),
+	_GroupController(NULL)
 {
 }
 

code/nel/src/sound/source_music_channel.cpp

@@ -0,0 +1,123 @@
+/**
+ * \file source_music_channel.cpp
+ * \brief CSourceMusicChannel
+ * \date 2012-04-11 16:08GMT
+ * \author Jan Boon (Kaetemi)
+ * CSourceMusicChannel
+ */
+
+/* 
+ * Copyright (C) 2012  by authors
+ * 
+ * This file is part of RYZOM CORE.
+ * RYZOM CORE is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * RYZOM CORE 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
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public
+ * License along with RYZOM CORE.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#include "stdsound.h"
+#include <nel/sound/source_music_channel.h>
+
+// STL includes
+
+// NeL includes
+// #include <nel/misc/debug.h>
+#include <nel/sound/stream_file_source.h>
+
+// Project includes
+
+using namespace std;
+// using namespace NLMISC;
+
+namespace NLSOUND {
+
+CSourceMusicChannel::CSourceMusicChannel() : m_Source(NULL), m_Gain(1.0f)
+{
+	
+}
+
+CSourceMusicChannel::~CSourceMusicChannel()
+{
+	delete m_Source;
+	m_Source = NULL;
+}
+
+bool CSourceMusicChannel::play(const std::string &filepath, bool async, bool loop)
+{
+	if (m_Source)
+		delete m_Source;
+
+	m_Sound.setMusicFilePath(filepath, async, loop);
+
+	m_Source = new CStreamFileSource(&m_Sound, false, NULL, NULL, NULL, NULL);
+
+	m_Source->play();
+
+	return m_Source->isPlaying();
+}
+
+void CSourceMusicChannel::stop()
+{
+	if (m_Source)
+		m_Source->stop();
+}
+
+void CSourceMusicChannel::reset()
+{
+	delete m_Source;
+	m_Source = NULL;
+}
+
+void CSourceMusicChannel::pause()
+{
+	if (m_Source)
+		m_Source->pause();
+}
+
+void CSourceMusicChannel::resume()
+{
+	if (m_Source)
+		m_Source->resume();
+}
+
+bool CSourceMusicChannel::isEnded()
+{
+	if (m_Source)
+		return m_Source->isEnded();
+	return true;
+}
+
+bool CSourceMusicChannel::isLoadingAsync()
+{
+	if (m_Source)
+		return m_Source->isLoadingAsync();
+	return false;
+}
+
+float CSourceMusicChannel::getLength()
+{
+	if (m_Source)
+		return m_Source->getLength();
+	return 0.0f;
+}
+
+void CSourceMusicChannel::setVolume(float gain)
+{
+	m_Gain = gain;
+	if (m_Source)
+		m_Source->setRelativeGain(gain);
+}
+
+} /* namespace NLSOUND */
+
+/* end of file */

code/nel/src/sound/stream_file_sound.cpp

@@ -32,6 +32,7 @@
 
 // NeL includes
 // #include <nel/misc/debug.h>
+#include <nel/sound/group_controller_root.h>
 
 // Project includes
 
@@ -84,6 +85,7 @@ void CStreamFileSound::setMusicFilePath(const std::string &filePath, bool async,
 	_MinDist = 1000.0f;
 	m_Async = async;
 	m_FilePath = filePath;
+	_GroupController = CGroupControllerRoot::getInstance()->getGroupController(NLSOUND_SHEET_V1_DEFAULT_SOUND_MUSIC_GROUP_CONTROLLER);
 }
 
 } /* namespace NLSOUND */

code/nel/src/sound/stream_file_source.cpp

@@ -182,6 +182,16 @@ bool CStreamFileSource::isEnded()
 	return (!m_Thread->isRunning() && !_Playing && !m_WaitingForPlay && !m_Paused);
 }
 
+float CStreamFileSource::getLength()
+{
+	return m_AudioDecoder->getLength();
+}
+
+bool CStreamFileSource::isLoadingAsync()
+{
+	return m_WaitingForPlay;
+}
+
 void CStreamFileSource::prepareDecoder()
 {
 	// creates a new decoder or keeps going with the current decoder if the stream was paused
@@ -208,6 +218,9 @@ void CStreamFileSource::prepareDecoder()
 		}
 		this->setFormat(m_AudioDecoder->getChannels(), m_AudioDecoder->getBitsPerSample(), (uint32)m_AudioDecoder->getSamplesPerSec());
 	}
+	uint samples, bytes;
+	this->getRecommendedBufferSize(samples, bytes);
+	this->preAllocate(bytes * 2);
 }
 
 void CStreamFileSource::bufferMore(uint bytes) // buffer from bytes (minimum) to bytes * 2 (maximum)

code/nel/src/sound/stream_source.cpp

@@ -50,8 +50,11 @@ CStreamSource::CStreamSource(CStreamSound *streamSound, bool spawn, TSpawnEndCal
 	CAudioMixerUser *mixer = CAudioMixerUser::instance();
 	ISoundDriver *driver = mixer->getSoundDriver();
 	m_Buffers[0] = driver->createBuffer();
+	m_Buffers[0]->setStorageMode(IBuffer::StorageSoftware);
 	m_Buffers[1] = driver->createBuffer();
+	m_Buffers[1]->setStorageMode(IBuffer::StorageSoftware);
 	m_Buffers[2] = driver->createBuffer();
+	m_Buffers[2]->setStorageMode(IBuffer::StorageSoftware);
 }
 
 CStreamSource::~CStreamSource()
@@ -431,6 +434,19 @@ bool CStreamSource::hasFilledBuffersAvailable() const
 	return m_FreeBuffers < 3;
 }
 
+void CStreamSource::preAllocate(uint capacity)
+{
+	uint8 *b0 = m_Buffers[0]->lock(capacity);
+	memset(b0, 0, capacity);
+	m_Buffers[0]->unlock(capacity);
+	uint8 *b1 = m_Buffers[1]->lock(capacity);
+	memset(b1, 0, capacity);
+	m_Buffers[1]->unlock(capacity);
+	uint8 *b2 = m_Buffers[2]->lock(capacity);
+	memset(b2, 0, capacity);
+	m_Buffers[2]->unlock(capacity);
+}
+
 } /* namespace NLSOUND */
 
 /* end of file */