/*
- Copyright (C) 2006 Paul Davis
+ Copyright (C) 2006 Paul Davis
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
*/
#include <cassert>
-#include <ardour/audio_port.h>
-#include <ardour/data_type.h>
+
+#include "pbd/stacktrace.h"
+
+#include "ardour/audio_buffer.h"
+#include "ardour/audioengine.h"
+#include "ardour/audio_port.h"
+#include "ardour/data_type.h"
+#include "ardour/port_engine.h"
using namespace ARDOUR;
using namespace std;
-jack_nframes_t AudioPort::_short_over_length = 2;
-jack_nframes_t AudioPort::_long_over_length = 10;
+#define port_engine AudioEngine::instance()->port_engine()
+
+AudioPort::AudioPort (const std::string& name, PortFlags flags)
+ : Port (name, DataType::AUDIO, flags)
+ , _buffer (new AudioBuffer (0))
+{
+ assert (name.find_first_of (':') == string::npos);
+}
-AudioPort::AudioPort(jack_port_t* p)
- : Port(p)
- , _buffer(0)
+AudioPort::~AudioPort ()
{
- DataType dt(_type);
- assert(dt == DataType::AUDIO);
-
- reset();
+ delete _buffer;
}
void
-AudioPort::reset()
+AudioPort::cycle_start (pframes_t nframes)
{
- Port::reset();
- if (_flags & JackPortIsOutput) {
- _buffer.clear();
- _silent = true;
+ /* caller must hold process lock */
+
+ Port::cycle_start (nframes);
+
+ if (sends_output()) {
+ _buffer->prepare ();
}
-
- _metering = 0;
- reset_meters ();
}
void
-AudioPort::cycle_start (jack_nframes_t nframes)
+AudioPort::cycle_end (pframes_t nframes)
{
- if (_flags & JackPortIsOutput) {
- // FIXME: do nothing, we can cache the value (but capacity needs to be set)
- _buffer.set_data((Sample*)jack_port_get_buffer (_port, nframes), nframes);
- } else {
- _buffer.set_data((Sample*)jack_port_get_buffer (_port, nframes), nframes);
+ if (sends_output() && !_buffer->written()) {
+ if (_buffer->capacity() >= nframes) {
+ _buffer->silence (nframes);
+ }
}
}
void
-AudioPort::cycle_end()
+AudioPort::cycle_split ()
{
- // whatever...
}
+
+AudioBuffer&
+AudioPort::get_audio_buffer (pframes_t nframes)
+{
+ /* caller must hold process lock */
+ _buffer->set_data ((Sample *) port_engine.get_buffer (_port_handle, _cycle_nframes) +
+ _global_port_buffer_offset + _port_buffer_offset, nframes);
+ return *_buffer;
+}
+
+Sample*
+AudioPort::engine_get_whole_audio_buffer ()
+{
+ /* caller must hold process lock */
+ return (Sample *) port_engine.get_buffer (_port_handle, _cycle_nframes);
+}
+
+
+
+