1 files changed, 131 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/audioinput.cpp b/muse_qt4_evolution/muse/audioinput.cpp
new file mode 100644
index 00000000..fe7c57bb
--- /dev/null
+++ b/muse_qt4_evolution/muse/audioinput.cpp
@@ -0,0 +1,131 @@
+//=============================================================================
+//  MusE
+//  Linux Music Editor
+//  $Id:$
+//
+//  Copyright (C) 2002-2006 by Werner Schweer and others
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License version 2.
+//
+//  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//=============================================================================
+
+#include "globals.h"
+#include "audioinput.h"
+#include "jackaudio.h"
+#include "audio.h"
+
+//---------------------------------------------------------
+//   AudioInput
+//---------------------------------------------------------
+
+AudioInput::AudioInput()
+   : AudioTrack()
+      {
+      // set Default for Input Ports:
+      _mute = muteDefault();
+      _channels = 0;
+      setChannels(2);
+      //
+      // buffers are allocated from AudioTrack()
+      // and not needed by AudioInput which uses
+      // the JACK supplied buffers
+      for (int i = 0; i < MAX_CHANNELS; ++i) {
+            if (buffer[i]) {
+            	free(buffer[i]);
+                  buffer[i] = 0;
+                  }
+            }
+      }
+
+//---------------------------------------------------------
+//   ~AudioInput
+//---------------------------------------------------------
+
+AudioInput::~AudioInput()
+      {
+      for (int i = 0; i < _channels; ++i) {
+            if (!jackPort(i).isZero())
+                  audioDriver->unregisterPort(jackPort(i));
+            }
+      // AudioInput does not own buffers (they are from JACK)
+      // make sure ~AudioTrack() does not delete them:
+      for (int i = 0; i < MAX_CHANNELS; ++i)
+            buffer[i] = 0;
+      }
+
+//---------------------------------------------------------
+//   write
+//---------------------------------------------------------
+
+void AudioInput::write(Xml& xml) const
+      {
+      xml.stag("AudioInput");
+      AudioTrack::writeProperties(xml);
+      xml.etag("AudioInput");
+      }
+
+//---------------------------------------------------------
+//   read
+//---------------------------------------------------------
+
+void AudioInput::read(QDomNode node)
+      {
+      for (;!node.isNull(); node = node.nextSibling()) {
+            AudioTrack::readProperties(node);
+            }
+      setName(name());  // allocate jack ports
+      }
+
+//---------------------------------------------------------
+//   setChannels
+//---------------------------------------------------------
+
+void AudioInput::setChannels(int n)
+      {
+      if (n == _channels)
+            return;
+      AudioTrack::setChannels(n);
+      }
+
+//---------------------------------------------------------
+//   setName
+//---------------------------------------------------------
+
+void AudioInput::setName(const QString& s)
+      {
+      Track::setName(s);
+      for (int i = 0; i < channels(); ++i) {
+            if (!jackPort(i).isZero()) {
+                  char buffer[128];
+                  snprintf(buffer, 128, "%s-%d", _name.toAscii().data(), i);
+                  if (!jackPort(i).isZero())
+                        audioDriver->setPortName(jackPort(i), buffer);
+                  }
+            }
+      }
+
+//---------------------------------------------------------
+//   collectInputData
+//    if buffer contains silence, set bufferEmpty to true
+//---------------------------------------------------------
+
+void AudioInput::collectInputData()
+      {
+      bufferEmpty = false;
+      for (int ch = 0; ch < channels(); ++ch) {
+            Port port = jackPort(ch);
+            if (!port.isZero())
+                  buffer[ch] = audioDriver->getBuffer(port, segmentSize);
+            }
+      }
+
+