1 /*
2  * Copyright (C) 2013-2017 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 __ardour_capturing_processor_h__
21 #define __ardour_capturing_processor_h__
22 
23 #include "ardour/fixed_delay.h"
24 #include "ardour/processor.h"
25 #include "ardour/types.h"
26 
27 namespace ARDOUR {
28 
29 class LIBARDOUR_API CapturingProcessor : public Processor
30 {
31 public:
32 	CapturingProcessor (Session & session, samplecnt_t latency);
33 	~CapturingProcessor();
34 
35 public: // main interface
get_capture_buffers()36 	BufferSet const & get_capture_buffers() const { return capture_buffers; }
37 
38 public: // Processor overrides
display_to_user()39 	bool display_to_user() const { return false; }
40 	int set_block_size (pframes_t nframes);
41 	void run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool result_required);
42 	bool configure_io (ChanCount in, ChanCount out);
43 	bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
44 
45 protected:
46 	XMLNode& state ();
47 
48 private:
49 	void realloc_buffers();
50 
51 	samplecnt_t block_size;
52 	BufferSet capture_buffers;
53 	FixedDelay _delaybuffers;
54 	samplecnt_t _latency;
55 };
56 
57 } // namespace ARDOUR
58 
59 #endif // __ardour_capturing_processor_h__
60