Added old abandoned KDE3 version of the RoseGarden MIDI tool

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/rosegarden@1097595 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 68 insertions, 0 deletions

diff --git a/src/sound/RecordableAudioFile.h b/src/sound/RecordableAudioFile.h
new file mode 100644
index 0000000..06df6f0
--- /dev/null
+++ b/src/sound/RecordableAudioFile.h
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+// -*- c-basic-offset: 4 -*-
+
+/*
+    Rosegarden
+    A sequencer and musical notation editor.
+
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <glaurent@telegraph-road.org>,
+        Chris Cannam        <cannam@all-day-breakfast.com>,
+        Richard Bown        <bownie@bownie.com>
+
+    The moral right of the authors to claim authorship of this work
+    has been asserted.
+
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _RECORDABLE_AUDIO_FILE_H_
+#define _RECORDABLE_AUDIO_FILE_H_
+
+#include "RingBuffer.h"
+#include "AudioFile.h"
+
+#include <vector>
+
+namespace Rosegarden
+{
+
+// A wrapper class for writing out a recording file.  We assume the
+// data is provided by a process thread and the writes are requested
+// by a disk thread.
+//
+class RecordableAudioFile
+{
+public:
+    typedef float sample_t;
+
+    typedef enum
+    {
+        IDLE,
+        RECORDING,
+        DEFUNCT
+    } RecordStatus;
+
+    RecordableAudioFile(AudioFile *audioFile, // should be already open for writing
+                        size_t bufferSize);
+    ~RecordableAudioFile();
+
+    void setStatus(const RecordStatus &status) { m_status = status; }
+    RecordStatus getStatus() const { return m_status; }
+
+    size_t buffer(const sample_t *data, int channel, size_t frames);
+    void write();
+
+protected:
+    AudioFile            *m_audioFile;
+    RecordStatus          m_status;
+
+    std::vector<RingBuffer<sample_t> *> m_ringBuffers; // one per channel
+};
+
+}
+
+#endif