2 Copyright (C) 2000-2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_butler_h__
21 #define __ardour_butler_h__
23 #include <glibmm/thread.h>
25 #include "ardour/types.h"
26 #include "ardour/session_handle.h"
30 class Butler : public SessionHandleRef
33 Butler (Session& session);
37 void terminate_thread();
38 void schedule_transport_work();
41 void wait_until_finished();
42 bool transport_work_requested() const;
44 float read_data_rate() const; ///< in usec
45 float write_data_rate() const;
47 uint32_t audio_diskstream_buffer_size() const { return audio_dstream_buffer_size; }
48 uint32_t midi_diskstream_buffer_size() const { return midi_dstream_buffer_size; }
50 static void* _thread_work(void *arg);
63 Glib::Mutex request_lock;
66 mutable gint should_do_transport_work;
68 uint32_t audio_dstream_buffer_size;
69 uint32_t midi_dstream_buffer_size;
74 #endif // __ardour_butler_h__