Changed: #795 Handle safely when audio decoder fails to be created

--HG--
branch : sound_dev

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

@@ -85,7 +85,7 @@ public:
 	// TODO: getTime
 
 private:
-	void prepareDecoder();
+	bool prepareDecoder();
 	inline bool bufferMore(uint bytes);
 
 private:

code/nel/samples/sound/stream_file/data/soundbank/stream_file.sound

@@ -5,7 +5,7 @@
       <ATOM Name="MinDistance" Value="100000"/>
       <ATOM Name="MaxDistance" Value="200000"/>
 	  <ATOM Name="Async" Value ="true"/>
-	  <ATOM Name="FilePath" Value="D:/source/kaetemi/toverhex/src/samples/music_stream/data/aeon_1_10_mystic_river.ogg"/>
+	  <ATOM Name="FilePath" Value="Pyr Entrance.ogg"/>
     </VSTRUCT>
     <ATOM Name="AbsolutePosition" Value="false"/>
     <ATOM Name="Priority" Value="Highest"/>

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

@@ -46,7 +46,8 @@
 #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"
+#define RYZOM_DATA "P:/data"
+#define SAMPLE_OGG "Pyr Entrance.ogg"
 
 using namespace std;
 using namespace NLMISC;
@@ -94,6 +95,8 @@ static void initSample()
 	s_AudioMixer->getListener()->setPos(initpos);
 	s_AudioMixer->getListener()->setOrientation(frontvec, upvec);
 
+	CPath::addSearchPath(RYZOM_DATA, true, false);
+	
 	//NLMISC::CHTimer::startBench();
 
 	s_Source = s_AudioMixer->createSource(CStringMapper::map("stream_file"));

code/nel/src/sound/audio_mixer_user.cpp

@@ -1651,6 +1651,7 @@ void				CAudioMixerUser::update()
 		_MusicChannelFaders[i].update();
 
 	// Check all playing track and stop any terminated buffer.
+	std::list<CSourceCommon *>::size_type nbWaitingSources = _Sources.size();
 	for (i=0; i<_Tracks.size(); ++i)
 	{
 		if (!_Tracks[i]->isPlaying())
@@ -1662,13 +1663,14 @@ void				CAudioMixerUser::update()
 			}
 
 			// try to play any waiting source.
-			if (!_SourceWaitingForPlay.empty())
+			if (!_SourceWaitingForPlay.empty() && nbWaitingSources)
 			{
 				// check if the source still exist before trying to play it
 				if (_Sources.find(_SourceWaitingForPlay.front()) != _Sources.end())
 					_SourceWaitingForPlay.front()->play();
 //				nldebug("Before POP Sources waiting : %u", _SourceWaitingForPlay.size());
 				_SourceWaitingForPlay.pop_front();
+				--nbWaitingSources;
 //				nldebug("After POP Sources waiting : %u", _SourceWaitingForPlay.size());
 			}
 		}

code/nel/src/sound/stream_file_source.cpp

@@ -63,7 +63,9 @@ void CStreamFileSource::play()
 	// note: CStreamSource will assert crash if already physically playing!
 
 
-	if (m_Thread->isRunning() && m_WaitingForPlay)
+	if (m_WaitingForPlay)
+	{
+		if (m_Thread->isRunning())
 		{
 			if (m_NextBuffer || !m_FreeBuffers)
 			{
@@ -82,20 +84,32 @@ void CStreamFileSource::play()
 				mixer->addSourceWaitingForPlay(this);
 			}
 		}
+		else
+		{
+			// thread went kaboom while not started playing yet, probably the audiodecoder cannot be started
+			// don't play
+			m_WaitingForPlay = false;
+		}
+	}
 	else if (!_Playing)
 	{
 		nldebug("play go %s", getStreamFileSound()->getFilePath().c_str());
-		if (!m_WaitingForPlay)
+		//if (!m_WaitingForPlay)
-		{
+		//{
 			// thread may be stopping from stop call
 			m_Thread->wait();
-		}
+		//}
-		else
+		//else
-		{
+		//{
-			nlwarning("Already waiting for play");
+		//	nlwarning("Already waiting for play");
-		}
+		//}
 		if (!getStreamFileSound()->getAsync())
-			prepareDecoder();
+		{
+			if (!prepareDecoder())
+			{
+				return;
+			}
+		}
 		// else load audiodecoder in thread
 		m_WaitingForPlay = true;
 		m_Thread->start();
@@ -221,7 +235,7 @@ bool CStreamFileSource::isLoadingAsync()
 	return m_WaitingForPlay;
 }
 
-void CStreamFileSource::prepareDecoder()
+bool CStreamFileSource::prepareDecoder()
 {
 	// creates a new decoder or keeps going with the current decoder if the stream was paused
 
@@ -243,13 +257,15 @@ void CStreamFileSource::prepareDecoder()
 		if (!m_AudioDecoder)
 		{
 			nlwarning("Failed to create IAudioDecoder, likely invalid format");
-			return;
+			return false;
 		}
 		this->setFormat(m_AudioDecoder->getChannels(), m_AudioDecoder->getBitsPerSample(), (uint32)m_AudioDecoder->getSamplesPerSec());
 	}
 	uint samples, bytes;
 	this->getRecommendedBufferSize(samples, bytes);
 	this->preAllocate(bytes * 2);
+
+	return true;
 }
 
 inline bool CStreamFileSource::bufferMore(uint bytes) // buffer from bytes (minimum) to bytes * 2 (maximum)
@@ -271,7 +287,10 @@ void CStreamFileSource::run()
 
 	bool looping = _Looping;
 	if (getStreamFileSound()->getAsync())
-		prepareDecoder();
+	{
+		if (!prepareDecoder())
+			return;
+	}
 	uint samples, bytes;
 	this->getRecommendedBufferSize(samples, bytes);
 	uint32 recSleep = 40;

code/nel/src/sound/stream_source.cpp

@@ -161,7 +161,7 @@ void CStreamSource::play()
 				delete this;
 			}
 			nldebug("CStreamSource %p : play FAILED, source is too far away !", (CAudioMixerUser::IMixerEvent*)this);
-			m_WaitingForPlay = false;
+			// m_WaitingForPlay = false; // not necessary, delete ensures waiting for thread stop
 			return;
 		}
 		
@@ -182,12 +182,9 @@ void CStreamSource::play()
 			
 			// pSource->setPos( _Position, false);
 			pSource->setPos(getVirtualPos(), false);
-			if (!m_Buffers[0]->isStereo())
-			{
 			pSource->setMinMaxDistances(m_StreamSound->getMinDistance(), m_StreamSound->getMaxDistance(), false);
 			setDirection(_Direction); // because there is a workaround inside
 			pSource->setVelocity(_Velocity);
-			}
 			pSource->setGain(getFinalGain());
 			pSource->setSourceRelativeMode(_RelativeMode);
 			// pSource->setLooping(_Looping);
@@ -435,7 +432,7 @@ uint32 CStreamSource::getRecommendedSleepTime() const
 {
 	if (m_FreeBuffers > 0) return 0;
 	uint32 sleepTime = (uint32)((1000.0f * ((float)m_LastSize) / (float)m_BytesPerSecond) * m_PitchInv);
-	clamp(sleepTime, (uint32)0, (uint32)1000);
+	clamp(sleepTime, (uint32)0, (uint32)80);
 	return sleepTime;
 }