Set up region BBT time when frame position changes, if the region is glued to BBT...

[ardour.git] / libs / ardour / ardour / butler.h

diff --git a/libs/ardour/ardour/butler.h b/libs/ardour/ardour/butler.h
index b88b82073605385a3dcc3d8dc6a6ba49500ea34e..120f5871f4e4fb9853e731e4736c3a269c647cf8 100644 (file)
--- a/libs/ardour/ardour/butler.h
+++ b/libs/ardour/ardour/butler.h
@@ -21,15 +21,25 @@
 #define __ardour_butler_h__
 
 #include <glibmm/thread.h>
+
+#include "pbd/ringbuffer.h"
+#include "pbd/pool.h"
 #include "ardour/types.h"
+#include "ardour/session_handle.h"
 
 namespace ARDOUR {
 
-class Session;
-
-class Butler {
-public:
-       Butler(Session* session);
+/**
+ *  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();
@@ -39,11 +49,10 @@ public:
        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);
@@ -58,15 +67,20 @@ public:
                };
        };
 
-       Session*     session;
        pthread_t    thread;
        Glib::Mutex  request_lock;
        Glib::Cond   paused;
        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