David Robillard
7bd41538d9
git-svn-id: svn://localhost/ardour2/branches/midi@921 d708f5d6-7413-0410-9779-e7cbd77b26cf
117 lines
2.4 KiB
C++
117 lines
2.4 KiB
C++
/*
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Copyright (C) 2006 Paul Davis
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Written by Dave Robillard, 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <poll.h>
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#include <float.h>
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#include <cerrno>
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#include <ctime>
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#include <cmath>
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#include <iomanip>
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#include <algorithm>
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#include <pbd/xml++.h>
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#include <pbd/pthread_utils.h>
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#include <ardour/midi_source.h>
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#include <ardour/midi_ring_buffer.h>
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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sigc::signal<void,MidiSource *> MidiSource::MidiSourceCreated;
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MidiSource::MidiSource (Session& s, string name)
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: Source (s, name, DataType::MIDI)
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{
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_read_data_count = 0;
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_write_data_count = 0;
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}
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MidiSource::MidiSource (Session& s, const XMLNode& node)
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: Source (s, node)
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{
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_read_data_count = 0;
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_write_data_count = 0;
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if (set_state (node)) {
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throw failed_constructor();
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}
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}
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MidiSource::~MidiSource ()
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{
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}
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XMLNode&
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MidiSource::get_state ()
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{
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XMLNode& node (Source::get_state());
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if (_captured_for.length()) {
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node.add_property ("captured-for", _captured_for);
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}
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return node;
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}
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int
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MidiSource::set_state (const XMLNode& node)
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{
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const XMLProperty* prop;
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Source::set_state (node);
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if ((prop = node.property ("captured-for")) != 0) {
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_captured_for = prop->value();
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}
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return 0;
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}
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jack_nframes_t
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MidiSource::read (MidiRingBuffer& dst, jack_nframes_t start, jack_nframes_t cnt, jack_nframes_t stamp_offset) const
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{
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Glib::Mutex::Lock lm (_lock);
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return read_unlocked (dst, start, cnt, stamp_offset);
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}
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jack_nframes_t
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MidiSource::write (MidiRingBuffer& dst, jack_nframes_t cnt)
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{
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Glib::Mutex::Lock lm (_lock);
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return write_unlocked (dst, cnt);
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}
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bool
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MidiSource::file_changed (string path)
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{
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struct stat stat_file;
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int e1 = stat (path.c_str(), &stat_file);
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return ( !e1 );
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}
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