#include <glibmm/thread.h>
+#include "pbd/ringbuffer.h"
+#include "pbd/pool.h"
#include "ardour/types.h"
#include "ardour/session_handle.h"
namespace ARDOUR {
+/**
+ * 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 stop();
void wait_until_finished();
bool transport_work_requested() const;
+ void drop_references ();
- float read_data_rate() const; ///< in usec
- float write_data_rate() const;
-
- uint32_t audio_diskstream_buffer_size() const { return audio_dstream_buffer_size; }
+ 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);
struct Request {
enum Type {
- Wake,
Run,
Pause,
Quit
bool should_run;
mutable gint should_do_transport_work;
int request_pipe[2];
- uint32_t audio_dstream_buffer_size;
+ 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