fixed BSoundPlayer::Stop() bugs exposed by CL-Amp

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3413 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/media/MediaEventLooper.cpp

@@ -110,8 +110,7 @@ BMediaEventLooper::Stop(bigtime_t performance_time,
 	if (immediate) {
 		// always be sure to add to the front of the queue so we can make sure it is
 		// handled before any buffers are sent!
-		performance_time = fEventQueue.FirstEventTime();
-		performance_time = (performance_time == B_INFINITE_TIMEOUT) ? 0 : performance_time - 1;
+		performance_time = 0;
 	}
 	fEventQueue.AddEvent(media_timed_event(performance_time, BTimedEventQueue::B_STOP));
 }
@@ -372,7 +371,7 @@ void
 BMediaEventLooper::SetRunState(run_state state)
 {
 	CALLED();
-	
+
 	// don't allow run state changes while quitting,
 	// also needed for correct terminating of the ControlLoop()
 	if (fRunState == B_QUITTING && state != B_TERMINATED)

src/kits/media/SoundPlayNode.cpp

@@ -68,6 +68,18 @@ _SoundPlayNode::~_SoundPlayNode()
 	Quit();
 }
 
+bool
+_SoundPlayNode::IsPlaying()
+{
+	return RunState() == B_STARTED;
+}
+
+bigtime_t
+_SoundPlayNode::Latency()
+{
+	return EventLatency();
+}
+
 
 media_multi_audio_format 
 _SoundPlayNode::Format() const

src/kits/media/SoundPlayNode.h

@@ -22,6 +22,9 @@ public:
 	_SoundPlayNode(const char *name, const media_multi_audio_format *format, BSoundPlayer *player);
 	~_SoundPlayNode();
 	
+	bool IsPlaying();
+	bigtime_t Latency();
+	
 /*************************/
 /* begin from BMediaNode */
 public:

src/kits/media/SoundPlayer.cpp

@@ -145,7 +145,7 @@ BSoundPlayer::Start()
 	
 	if (!_m_node)
 		return B_ERROR;
-		
+
 	BMediaRoster *roster = BMediaRoster::Roster();
 	if (!roster) {
 		TRACE("BSoundPlayer::Start: Couldn't get BMediaRoster\n");
@@ -171,6 +171,10 @@ BSoundPlayer::Stop(bool block,
 
 	if (!_m_node)
 		return;
+	
+	// XXX flush is ignored
+		
+	TRACE("BSoundPlayer::Stop: block %d, flush %d\n", (int)block, (int)flush);
 		
 	BMediaRoster *roster = BMediaRoster::Roster();
 	if (!roster) {
@@ -179,7 +183,18 @@ BSoundPlayer::Stop(bool block,
 	}
 	
 	roster->StopNode(_m_node->Node(), 0, true);
-
+	
+	if (block) {
+		// wait until the node is stopped
+		int maxtrys;
+		for (maxtrys = 250; _m_node->IsPlaying() && maxtrys != 0; maxtrys--)
+			snooze(2000);
+		
+		DEBUG_ONLY(if (maxtrys == 0) printf("BSoundPlayer::Stop: waiting for node stop failed\n"));
+		
+		// wait until all buffers on the way to the physical output have been played		
+		snooze(_m_node->Latency() + 2000);
+	}
 }
 
 BSoundPlayer::BufferPlayerFunc
@@ -634,6 +649,7 @@ BSoundPlayer::PlayBuffer(void *buffer,
 						 const media_raw_audio_format &format)
 {
 //	CALLED();
+
 	_m_lock.Lock();
 	if (_PlayBuffer)
 		(*_PlayBuffer)(_m_cookie,buffer,size,format);