#ifndef __ardour_butler_h__
#define __ardour_butler_h__
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
+
+#include "pbd/ringbuffer.h"
+#include "pbd/pool.h"
#include "ardour/types.h"
+#include "ardour/session_handle.h"
namespace ARDOUR {
-class Butler {
-public:
- Butler();
+/**
+ * One of the Butler's functions is to clean up (ie delete) unused CrossThreadPools.
+ * When a thread with a CrossThreadPool terminates, its CTP is added to pool_trash.
+ * When the Butler thread wakes up, we check this trash buffer for CTPs, and if they
+ * are empty they are deleted.
+ */
+
+class Butler : public SessionHandleRef
+{
+ public:
+ Butler (Session& session);
~Butler();
+ int start_thread();
+ void terminate_thread();
+ void schedule_transport_work();
+ void summon();
+ void stop();
+ void wait_until_finished();
+ bool transport_work_requested() const;
+ void drop_references ();
+
+ framecnt_t audio_diskstream_capture_buffer_size() const { return audio_dstream_capture_buffer_size; }
+ framecnt_t audio_diskstream_playback_buffer_size() const { return audio_dstream_playback_buffer_size; }
+ uint32_t midi_diskstream_buffer_size() const { return midi_dstream_buffer_size; }
+
+ static void* _thread_work(void *arg);
+ void* thread_work();
+
+ struct Request {
+ enum Type {
+ Run,
+ Pause,
+ Quit
+ };
+ };
+
pthread_t thread;
- Glib::Mutex request_lock;
- Glib::Cond paused;
+ Glib::Threads::Mutex request_lock;
+ Glib::Threads::Cond paused;
bool should_run;
mutable gint should_do_transport_work;
int request_pipe[2];
+ framecnt_t audio_dstream_capture_buffer_size;
+ framecnt_t audio_dstream_playback_buffer_size;
+ uint32_t midi_dstream_buffer_size;
+ RingBuffer<CrossThreadPool*> pool_trash;
+
+private:
+ void empty_pool_trash ();
+ void config_changed (std::string);
};
} // namespace ARDOUR