1 files changed, 156 insertions, 0 deletions
diff --git a/lib/output.h b/lib/output.h
new file mode 100644
index 000000000..c5fa0941a
--- /dev/null
+++ b/lib/output.h
@@ -0,0 +1,156 @@
+
+// Copyright (c) 2000-2001 Brad Hughes <bhughes@trolltech.com>
+//
+// Use, modification and distribution is allowed without limitation,
+// warranty, or liability of any kind.
+//
+
+#ifndef   __output_h
+#define   __output_h
+
+class Output;
+
+#include <QObject>
+#include <QThread>
+#include <QEvent>
+#include <QList>
+#include <QIODevice>
+#include <outputfactory.h>
+
+#include "recycler.h"
+
+class QTimer;
+
+class Visualization;
+
+
+class OutputState
+{
+public:
+
+    enum Type { Playing, Buffering, Info, Paused, Stopped, Volume, Error };
+
+    OutputState()
+            : m_type(Stopped),  m_error_msg(0), m_elasped_seconds(0),
+              m_written_bytes(0), m_brate(0), m_freq(0), m_prec(0), m_chan(0),
+              m_left(0), m_right(0)
+    {}
+
+    OutputState(Type t)
+            : m_type(t),  m_error_msg(0), m_elasped_seconds(0),
+              m_written_bytes(0), m_brate(0), m_freq(0), m_prec(0), m_chan(0),
+              m_left(0), m_right(0)
+    {}
+    OutputState(long s, unsigned long w, int b, int f, int p, int c)
+            : m_type(Info), m_error_msg(0), m_elasped_seconds(s),
+              m_written_bytes(w), m_brate(b), m_freq(f), m_prec(p), m_chan(c),
+              m_left(0), m_right(0)
+    {}
+    OutputState(int L, int R)
+            : m_type(Volume), m_error_msg(0), m_elasped_seconds(0),
+              m_written_bytes(0), m_brate(0), m_freq(0), m_prec(0), m_chan(0),
+              m_left(L), m_right(R)
+    {}
+    OutputState(const QString &e)
+            : m_type(Error), m_elasped_seconds(0), m_written_bytes(0),
+              m_brate(0), m_freq(0), m_prec(0), m_chan(0),
+              m_left(0), m_right(0)
+    {
+         m_error_msg = new QString(e);
+    }
+    ~OutputState()
+    {
+       if (m_error_msg)
+           delete m_error_msg;
+    }
+
+    const QString *errorMessage() const { return m_error_msg; }
+
+    const long &elapsedSeconds() const { return m_elasped_seconds; }
+    const unsigned long &writtenBytes() const { return m_written_bytes; }
+    const int &bitrate() const { return m_brate; }
+    const int &frequency() const { return m_freq; }
+    const int &precision() const { return m_prec; }
+    const int &channels() const { return m_chan; }
+    const Type &type() const { return m_type; }
+    const int leftVolume() const { return m_left; }
+    const int rightVolume() const { return m_right; }
+
+private:
+    Type m_type;
+    QString *m_error_msg;
+    long m_elasped_seconds;
+    unsigned long m_written_bytes;
+    int m_brate, m_freq, m_prec, m_chan;
+    int m_left, m_right;    //volume
+};
+
+
+
+
+class Output : public QThread
+{
+    Q_OBJECT
+public:
+
+    enum VolumeType { Standard, Custom, Disabled };
+
+    Output(QObject * parent = 0, VolumeType vt = Standard);
+    ~Output();
+
+    Recycler *recycler()
+    {
+        return &r;
+    }
+
+    void addVisual(Visualization *);
+    void removeVisual(Visualization *);
+
+    QMutex *mutex()
+    {
+        return &mtx;
+    }
+
+    VolumeType volumeControl(){return m_vol; };
+
+    // abstract
+    virtual bool isInitialized() const = 0;
+    virtual bool initialize() = 0;
+    virtual void uninitialize() = 0;
+    virtual void configure(long, int, int, int) = 0;
+    virtual void pause() = 0;
+    virtual void stop() = 0;
+    virtual long written() = 0;
+    virtual long latency() = 0;
+    virtual void seek(long) = 0;
+    virtual void setVolume(int, int) {};
+
+    static void registerFactory(OutputFactory *);
+    static Output *create(QObject *);
+    static QList<OutputFactory*> *outputFactories();
+    static QStringList outputFiles();
+
+public slots:
+    virtual void checkVolume() {};
+
+signals:
+    void stateChanged(const OutputState&);
+
+protected:
+    void dispatch(OutputState::Type);
+    void dispatch(long s, unsigned long w, int b, int f, int p, int c);
+    void dispatch(const OutputState&);
+    void dispatchVolume(int L, int R);
+    void error(const QString &e);
+    void dispatchVisual(Buffer *, unsigned long, int, int);
+    void prepareVisuals();
+
+private:
+    QMutex mtx;
+    Recycler r;
+    QList<Visualization *> visuals;
+    VolumeType m_vol;
+};
+
+
+#endif // __output_h