diff options
| author | David Robillard <d@drobilla.net> | 2013-02-03 22:29:15 +0000 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2013-02-03 22:29:15 +0000 |
| commit | c2f0d423f8881376b8e9642a6ab92d9506cdfb41 (patch) | |
| tree | 457ded511bac9926b2855717888e23daa38dd6f0 /src/server | |
| parent | 32044a3733aab0f913c86738ebabbe63aed7f1d6 (diff) | |
| download | ingen-c2f0d423f8881376b8e9642a6ab92d9506cdfb41.tar.gz ingen-c2f0d423f8881376b8e9642a6ab92d9506cdfb41.tar.bz2 ingen-c2f0d423f8881376b8e9642a6ab92d9506cdfb41.zip | |
Port control performance improvements (further improvement for #879).
Only request a redraw, not a full update, where appropriate.
Use a raw double instead of GVariant for port control-changed signal.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@5045 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/server')
| -rw-r--r-- | src/server/Engine.cpp | 2 | ||||
| -rw-r--r-- | src/server/Engine.hpp | 8 | ||||
| -rw-r--r-- | src/server/PortImpl.cpp | 2 |
3 files changed, 11 insertions, 1 deletions
diff --git a/src/server/Engine.cpp b/src/server/Engine.cpp index 1af7be1b..3d76a032 100644 --- a/src/server/Engine.cpp +++ b/src/server/Engine.cpp @@ -64,6 +64,8 @@ Engine::Engine(Ingen::World* world) , _root_graph(NULL) , _worker(new Worker(world->log(), event_queue_size())) , _process_context(*this) + , _rand_engine(0) + , _uniform_dist(0.0f, 1.0f) , _quit_flag(false) , _direct_driver(true) { diff --git a/src/server/Engine.hpp b/src/server/Engine.hpp index e7327ef4..851b3127 100644 --- a/src/server/Engine.hpp +++ b/src/server/Engine.hpp @@ -17,6 +17,8 @@ #ifndef INGEN_ENGINE_ENGINE_HPP #define INGEN_ENGINE_ENGINE_HPP +#include <random> + #include <boost/utility.hpp> #include "ingen/EngineBase.hpp" @@ -76,6 +78,9 @@ public: SPtr<Interface> client); virtual bool unregister_client(const Raul::URI& uri); + /** Return a random [0..1] float with uniform distribution */ + float frand() { return _uniform_dist(_rand_engine); } + void set_driver(SPtr<Driver> driver); SampleCount event_time(); @@ -128,6 +133,9 @@ private: ProcessContext _process_context; + std::mt19937 _rand_engine; + std::uniform_real_distribution<float> _uniform_dist; + bool _quit_flag; bool _direct_driver; }; diff --git a/src/server/PortImpl.cpp b/src/server/PortImpl.cpp index 950c8739..0e71de96 100644 --- a/src/server/PortImpl.cpp +++ b/src/server/PortImpl.cpp @@ -147,7 +147,7 @@ PortImpl::activate(BufferFactory& bufs) */ const double srate = bufs.engine().driver()->sample_rate(); const uint32_t period = srate / monitor_rate; - _frames_since_monitor = rand() % period; + _frames_since_monitor = bufs.engine().frand() * period; _last_monitor_value = 0.0f; } |