set sidechain port pretty name

[ardour.git] / libs / ardour / audio_port.cc

diff --git a/libs/ardour/audio_port.cc b/libs/ardour/audio_port.cc
index 55d65d850d6a69ebf564998bb644ff136ae78282..e2bb20dbe958c20753422e202e0d74cf8a911fa8 100644 (file)
--- a/libs/ardour/audio_port.cc
+++ b/libs/ardour/audio_port.cc
@@ -1,5 +1,5 @@
 /*
-    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
@@ -17,126 +17,75 @@
 */
 
 #include <cassert>
-#include <ardour/audio_port.h>
-#include <ardour/audioengine.h>
-#include <ardour/data_type.h>
-#include <ardour/audio_buffer.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;
 
-AudioPort::AudioPort (const std::string& name, Flags flags, bool ext, nframes_t capacity)
-       : Port (name, DataType::AUDIO, flags, ext)
-       , _has_been_mixed_down (false)
-       , _buffer (0)
+#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);
-       
-       if (external ()) {
-               
-               /* external ports use the external port buffer */
-               _buffer = new AudioBuffer (0);
-
-       } else {
-
-               /* internal ports need their own buffers */
-               _buffer = new AudioBuffer (capacity);
-               
-       }
-       
 }
 
-AudioPort::~AudioPort()
+AudioPort::~AudioPort ()
 {
        delete _buffer;
 }
 
 void
-AudioPort::cycle_start (nframes_t nframes, nframes_t offset)
+AudioPort::cycle_start (pframes_t nframes)
 {
        /* caller must hold process lock */
 
-       _has_been_mixed_down = false;
+        Port::cycle_start (nframes);
 
-       if (external ()) {
-               /* external ports use JACK's memory */
-               _buffer->set_data ((Sample *) jack_port_get_buffer (_jack_port, nframes), nframes + offset);
+       if (sends_output()) {
+               _buffer->prepare ();
        }
 }
 
-AudioBuffer &
-AudioPort::get_audio_buffer (nframes_t nframes, nframes_t offset)
+void
+AudioPort::cycle_end (pframes_t nframes)
 {
-       /* caller must hold process lock */
-
-       if (_has_been_mixed_down) {
-               return *_buffer;
-       }
-
-       if (receives_input ()) {
-
-               /* INPUT */
-
-               /* If we're external (), we have some data in our buffer set up by JACK;
-                  otherwise, we have an undefined buffer.  In either case we mix down
-                  our non-JACK inputs; either accumulating into the JACK data or
-                  overwriting the undefined data */
-                  
-               mixdown (nframes, offset, !external ());
-               
-       } else {
-
-               /* OUTPUT */
-
-               if (!external ()) {
-                       /* start internal output buffers with silence */
-                       _buffer->silence (nframes, offset);
+        if (sends_output() && !_buffer->written()) {
+               if (_buffer->capacity() >= nframes) {
+                       _buffer->silence (nframes);
                }
-               
        }
-       
-       if (nframes) {
-               _has_been_mixed_down = true;
-       }
-
-       return *_buffer;
 }
 
 void
-AudioPort::cycle_end (nframes_t nframes, nframes_t offset)
+AudioPort::cycle_split ()
 {
-       _has_been_mixed_down = false;
 }
 
-void
-AudioPort::mixdown (nframes_t cnt, nframes_t offset, bool first_overwrite)
+AudioBuffer&
+AudioPort::get_audio_buffer (pframes_t nframes)
 {
-       if (_connections.empty()) {
-               if (first_overwrite) {
-                       _buffer->silence (cnt, offset);
-               }
-               return;
-       }
-       
-       set<Port*>::const_iterator p = _connections.begin();
-
-       if (first_overwrite) {
-               _buffer->read_from (dynamic_cast<AudioPort*>(*p)->get_audio_buffer (cnt, offset), cnt, offset);
-               ++p;
-       }
-
-       for (; p != _connections.end (); ++p) {
-               _buffer->accumulate_from (dynamic_cast<AudioPort*>(*p)->get_audio_buffer (cnt, offset), cnt, offset);
-       }
+       /* 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;
 }
 
-void
-AudioPort::reset ()
+Sample*
+AudioPort::engine_get_whole_audio_buffer ()
 {
-       Port::reset ();
-       
-       if (_buffer->capacity () != 0) {
-               _buffer->resize (_engine->frames_per_cycle ());
-               _buffer->clear ();
-       }
+       /* caller must hold process lock */
+       return (Sample *) port_engine.get_buffer (_port_handle, _cycle_nframes);
 }
+
+
+
+