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authorBent Bisballe Nyeng <deva@aasimon.org>2015-07-27 19:36:28 +0200
committerBent Bisballe Nyeng <deva@aasimon.org>2015-07-27 19:36:28 +0200
commitec4eb3f535c358e67eb9ae0989b2163b20728d0b (patch)
tree40fc11923a6e07fc957210b3c0c53b6301a74d97 /src
parentcc9b5ff6d194dc8ead042c5d129ea07e8e68382d (diff)
Add free-wheel mode to LV2 and DrumGizmo class.
Diffstat (limited to 'src')
-rw-r--r--src/cachemanager.cc9
-rw-r--r--src/cachemanager.h9
-rw-r--r--src/drumgizmo.cc11
-rw-r--r--src/drumgizmo.h3
4 files changed, 31 insertions, 1 deletions
diff --git a/src/cachemanager.cc b/src/cachemanager.cc
index dc4b3e7..4cc1fa5 100644
--- a/src/cachemanager.cc
+++ b/src/cachemanager.cc
@@ -321,6 +321,14 @@ void CacheManager::setFrameSize(size_t framesize)
this->framesize = framesize;
}
+void CacheManager::setAsyncMode(bool async)
+{
+ // TODO: Clean out read queue.
+ // TODO: Block until reader thread is idle, otherwise we might screw up the
+ // buffers...?
+ threaded = async;
+}
+
void CacheManager::handleLoadNextEvent(cevent_t &e)
{
assert(files.find(e.afile->filename) != files.end());
@@ -355,7 +363,6 @@ void CacheManager::handleCloseEvent(cevent_t &e)
}
}
-
void CacheManager::handleEvent(cevent_t &e)
{
switch(e.cmd) {
diff --git a/src/cachemanager.h b/src/cachemanager.h
index 4fe813e..1660ecf 100644
--- a/src/cachemanager.h
+++ b/src/cachemanager.h
@@ -130,8 +130,17 @@ public:
*/
void close(cacheid_t id);
+ /**
+ * Set internal framesize used when iterating through cache buffers.
+ */
void setFrameSize(size_t framesize);
+ /**
+ * Control reader thread.
+ * Set to true to make reading happen threaded, false to do all reading sync.
+ */
+ void setAsyncMode(bool async);
+
///! Internal thread main method - needs to be public.
void thread_main();
diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc
index 528b542..5348324 100644
--- a/src/drumgizmo.cc
+++ b/src/drumgizmo.cc
@@ -51,6 +51,7 @@ DrumGizmo::DrumGizmo(AudioOutputEngine *o, AudioInputEngine *i)
, oe(o)
, ie(i)
, framesize(0)
+ , freewheel(false)
{
is_stopping = false;
cacheManager.init(1000, true); // start thread
@@ -189,6 +190,16 @@ void DrumGizmo::setFrameSize(size_t framesize)
}
}
+void DrumGizmo::setFreeWheel(bool freewheel)
+{
+ // Freewheel = true means that we are bouncing and therefore running faster
+ // than realtime.
+ if(freewheel != this->freewheel) {
+ this->freewheel = freewheel;
+ cacheManager.setAsyncMode(!freewheel);
+ }
+}
+
bool DrumGizmo::run(size_t pos, sample_t *samples, size_t nsamples)
{
setFrameSize(nsamples);
diff --git a/src/drumgizmo.h b/src/drumgizmo.h
index 4c0740e..041ca35 100644
--- a/src/drumgizmo.h
+++ b/src/drumgizmo.h
@@ -77,6 +77,8 @@ public:
void setFrameSize(size_t framesize);
+ void setFreeWheel(bool freewheel);
+
private:
DrumKitLoader loader;
@@ -98,4 +100,5 @@ private:
DrumKit kit;
size_t framesize;
+ bool freewheel;
};