From 9774762dd014bed4f4e3c4ac142a7b9634944fe4 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sat, 1 Apr 2017 15:30:23 +0200
Subject: Update underrun counter directly in AudioCache.

---
 src/audiocache.cc | 17 ++++++-----------
 src/audiocache.h  | 12 ++++--------
 src/drumgizmo.cc  | 22 +++++++++-------------
 src/drumgizmo.h   |  7 ++++---
 4 files changed, 23 insertions(+), 35 deletions(-)

(limited to 'src')

diff --git a/src/audiocache.cc b/src/audiocache.cc
index a366423..2deecc9 100644
--- a/src/audiocache.cc
+++ b/src/audiocache.cc
@@ -37,6 +37,11 @@
 
 #define CHUNKSIZE(x) (x * CHUNK_MULTIPLIER)
 
+AudioCache::AudioCache(Settings& settings)
+	: settings(settings)
+{
+}
+
 AudioCache::~AudioCache()
 {
 	DEBUG(cache, "~AudioCache() pre\n");
@@ -190,7 +195,7 @@ sample_t* AudioCache::next(cacheid_t id, size_t& size)
 	if(!c.ready)
 	{
 		// Just return silence.
-		++number_of_underruns;
+		settings.number_of_underruns.fetch_add(1);
 		return nodata;
 	}
 
@@ -285,13 +290,3 @@ bool AudioCache::isAsyncMode() const
 {
 	return event_handler.isThreaded();
 }
-
-size_t AudioCache::getNumberOfUnderruns() const
-{
-	return number_of_underruns;
-}
-
-void AudioCache::resetNumberOfUnderruns()
-{
-	number_of_underruns = 0;
-}
diff --git a/src/audiocache.h b/src/audiocache.h
index d0be509..761f2b2 100644
--- a/src/audiocache.h
+++ b/src/audiocache.h
@@ -36,12 +36,13 @@
 #include "audiocachefile.h"
 #include "audiocacheidmanager.h"
 #include "audiocacheeventhandler.h"
+#include "settings.h"
 
 #define CHUNK_MULTIPLIER 16
 
 class AudioCache {
 public:
-	AudioCache() = default;
+	AudioCache(Settings& settings);
 
 	//! Destroy object and stop thread if needed.
 	~AudioCache();
@@ -97,18 +98,13 @@ public:
 	void setAsyncMode(bool async);
 	bool isAsyncMode() const;
 
-	//! Return the number of chunks that were read too late.
-	size_t getNumberOfUnderruns() const;
-
-	//! Set underrun counter to 0.
-	void resetNumberOfUnderruns();
-
 private:
 	size_t framesize{0};
 	sample_t* nodata{nullptr};
 	size_t nodata_framesize{0};
-	size_t number_of_underruns{0};
 
 	AudioCacheIDManager id_manager;
 	AudioCacheEventHandler event_handler{id_manager};
+
+	Settings& settings;
 };
diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc
index 18cbbb7..2b4007d 100644
--- a/src/drumgizmo.cc
+++ b/src/drumgizmo.cc
@@ -45,14 +45,11 @@ DrumGizmo::DrumGizmo(Settings& settings,
 	: loader(settings, kit, i, resamplers, rand)
 	, oe(o)
 	, ie(i)
-	, kit()
+	, audio_cache(settings)
 	, input_processor(settings, kit, activeevents)
-	, framesize(0)
-	, freewheel(true)
-	, events{}
 	, settings(settings)
 {
-	audioCache.init(10000); // start thread
+	audio_cache.init(10000); // start thread
 	events.reserve(1000);
 	loader.init();
 }
@@ -60,7 +57,7 @@ DrumGizmo::DrumGizmo(Settings& settings,
 DrumGizmo::~DrumGizmo()
 {
 	loader.deinit();
-	audioCache.deinit(); // stop thread
+	audio_cache.deinit(); // stop thread
 }
 
 bool DrumGizmo::init()
@@ -94,7 +91,7 @@ void DrumGizmo::setFrameSize(size_t framesize)
 
 		// Update framesize in drumkitloader and cachemanager:
 		loader.setFrameSize(framesize);
-		audioCache.setFrameSize(framesize);
+		audio_cache.setFrameSize(framesize);
 	}
 }
 
@@ -103,7 +100,7 @@ void DrumGizmo::setFreeWheel(bool freewheel)
 	// Freewheel = true means that we are bouncing and therefore running faster
 	// than realtime.
 	this->freewheel = freewheel;
-	audioCache.setAsyncMode(!freewheel);
+	audio_cache.setAsyncMode(!freewheel);
 }
 
 void DrumGizmo::setRandomSeed(unsigned int seed)
@@ -240,7 +237,6 @@ void DrumGizmo::getSamples(int ch, int pos, sample_t* s, size_t sz)
 		bool removeevent = false;
 
 		Event* event = *i;
-
 		Event::type_t type = event->getType();
 		switch(type) {
 		case Event::sample:
@@ -263,8 +259,8 @@ void DrumGizmo::getSamples(int ch, int pos, sample_t* s, size_t sz)
 				if(evt.cache_id == CACHE_NOID)
 				{
 					size_t initial_chunksize = (pos + sz) - evt.offset;
-					evt.buffer = audioCache.open(af, initial_chunksize,
-					                             af.filechannel, evt.cache_id);
+					evt.buffer = audio_cache.open(af, initial_chunksize,
+					                              af.filechannel, evt.cache_id);
 					evt.buffer_size = initial_chunksize;
 				}
 
@@ -342,7 +338,7 @@ void DrumGizmo::getSamples(int ch, int pos, sample_t* s, size_t sz)
 
 					if((evt.t < af.size) && (evt.rampdown != 0))
 					{
-						evt.buffer = audioCache.next(evt.cache_id, evt.buffer_size);
+						evt.buffer = audio_cache.next(evt.cache_id, evt.buffer_size);
 					}
 					else
 					{
@@ -351,7 +347,7 @@ void DrumGizmo::getSamples(int ch, int pos, sample_t* s, size_t sz)
 
 					if(removeevent)
 					{
-						audioCache.close(evt.cache_id);
+						audio_cache.close(evt.cache_id);
 					}
 				}
 			}
diff --git a/src/drumgizmo.h b/src/drumgizmo.h
index b104772..e74d1b5 100644
--- a/src/drumgizmo.h
+++ b/src/drumgizmo.h
@@ -92,14 +92,15 @@ protected:
 
 	std::map<std::string, AudioFile *> audiofiles;
 
-	AudioCache audioCache;
+	AudioCache audio_cache;
 	DrumKit kit;
 	InputProcessor input_processor;
 
-	size_t framesize;
-	bool freewheel;
+	size_t framesize{0};
+	bool freewheel{true};
 
 	std::vector<event_t> events;
 	Settings& settings;
+
 	Random rand;
 };
-- 
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