Ardour  9.0-pre0-582-g084a23a80d
process_thread.h
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1 /*
2  * Copyright (C) 2010-2015 Paul Davis <paul@linuxaudiosystems.com>
3  * Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #ifndef __libardour_process_thread__
21 #define __libardour_process_thread__
22 
23 #include <glibmm/threads.h>
24 
25 #include "ardour/chan_count.h"
27 #include "ardour/types.h"
28 
29 namespace ARDOUR {
30 
31 class ThreadBuffers;
32 class BufferSet;
33 
35 {
36 public:
39 
40  void init();
41 
42  void get_buffers ();
43  void drop_buffers ();
44 
45  static bool have_thread_buffers () {
46  return 0 != _private_thread_buffers.get ();
47  }
48 
49  /* these MUST be called by a process thread's thread, nothing else */
50 
52  static BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO, bool silence = false);
54  static BufferSet& get_route_buffers (ChanCount count = ChanCount::ZERO, bool silence = false);
61 
62 protected:
64 
65 private:
66  static Glib::Threads::Private<ThreadBuffers> _private_thread_buffers;
67 };
68 
69 } // namespace
70 
71 #endif /* __libardour_process_thread__ */
static const ChanCount ZERO
Definition: chan_count.h:208
static BufferSet & get_scratch_buffers(ChanCount count=ChanCount::ZERO, bool silence=false)
static BufferSet & get_noinplace_buffers(ChanCount count=ChanCount::ZERO)
static gain_t * gain_automation_buffer()
static gain_t * send_gain_automation_buffer()
static BufferSet & get_silent_buffers(ChanCount count=ChanCount::ZERO)
static gain_t * scratch_automation_buffer()
static bool have_thread_buffers()
static BufferSet & get_mix_buffers(ChanCount count=ChanCount::ZERO)
static pan_t ** pan_automation_buffer()
static gain_t * trim_automation_buffer()
static Glib::Threads::Private< ThreadBuffers > _private_thread_buffers
static BufferSet & get_route_buffers(ChanCount count=ChanCount::ZERO, bool silence=false)
#define LIBARDOUR_API