ardour/libs/ardour/capturing_processor.cc

96 lines
2.5 KiB
C++

/*
* Copyright (C) 2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ardour/capturing_processor.h"
#include "ardour/session.h"
#include "ardour/audioengine.h"
#include "pbd/i18n.h"
namespace ARDOUR {
CapturingProcessor::CapturingProcessor (Session & session, samplecnt_t latency)
: Processor (session, X_("capture point"), Temporal::TimeDomainProvider (Temporal::AudioTime))
, block_size (AudioEngine::instance()->samples_per_cycle())
, _latency (latency)
{
realloc_buffers ();
}
CapturingProcessor::~CapturingProcessor()
{
}
int
CapturingProcessor::set_block_size (pframes_t nframes)
{
block_size = nframes;
realloc_buffers();
return 0;
}
void
CapturingProcessor::run (BufferSet& bufs, samplepos_t, samplepos_t, double, pframes_t nframes, bool)
{
if (!active()) {
_delaybuffers.flush ();
return;
}
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
for (uint32_t b = 0; b < bufs.count().get (*t); ++b) {
_delaybuffers.delay (*t, b, capture_buffers.get_available (*t, b), bufs.get_available (*t, b), nframes, 0, 0);
}
}
}
bool
CapturingProcessor::configure_io (ChanCount in, ChanCount out)
{
Processor::configure_io (in, out);
_delaybuffers.set (out, _latency);
realloc_buffers();
return true;
}
bool
CapturingProcessor::can_support_io_configuration (const ChanCount& in, ChanCount& out)
{
out = in;
return true;
}
void
CapturingProcessor::realloc_buffers()
{
capture_buffers.ensure_buffers (_configured_input, block_size);
_delaybuffers.flush ();
}
XMLNode &
CapturingProcessor::state () const
{
XMLNode& node = Processor::state ();
node.set_property (X_("type"), X_("capture"));
return node;
}
} // namespace ARDOUR