1 files changed, 124 insertions, 0 deletions
diff --git a/noncore/multimedia/powerchord/gs.h b/noncore/multimedia/powerchord/gs.h
new file mode 100644
index 0000000..3e4c04d
--- a/dev/null
+++ b/noncore/multimedia/powerchord/gs.h
@@ -0,0 +1,124 @@
+
+#ifndef __GS_H
+#define __GS_H
+
+#include <qobject.h>
+// sound includes
+#include <sys/soundcard.h>
+
+#define BUFSIZE 256
+#define NUMCHANS 7
+#define ACGUITAR_PATH_S "/usr/local/projects/opie-head/noncore/multimedia/powerchord/acguitar.raw"
+
+class gs : public QObject {
+
+  Q_OBJECT
+
+  public:
+  gs();
+  ~gs();
+
+ private:
+
+  int initial_fret;
+  int finger[6];
+  int tuning[6];
+
+  signed short *reverb;
+  int reverb_ptr;
+  int reverb_max;
+
+  int audio_fd;
+  signed short audio_buf[BUFSIZE];
+  static int note_periods[12];
+  static int octave_step[6];
+  int frames;
+
+
+  // 7 channel synth
+  signed short *tonebank0; // source of waveform
+  signed short *tonebank1;
+  signed short *tonebank2;
+  signed short *tonebank3;
+  signed short *tonebank4;
+  signed short *tonebank5;
+  signed short *tonebank6;
+  int tonebank_length0;
+  int tonebank_length1;
+  int tonebank_length2;
+  int tonebank_length3;
+  int tonebank_length4;
+  int tonebank_length5;
+  int tonebank_length6;
+  int pb_rate0; // playback rate or 0
+  int pb_rate1;
+  int pb_rate2;
+  int pb_rate3;
+  int pb_rate4;
+  int pb_rate5;
+  int pb_rate6;
+  int pb_ratio0; // accumulator for ratio
+  int pb_ratio1;
+  int pb_ratio2;
+  int pb_ratio3;
+  int pb_ratio4;
+  int pb_ratio5;
+  int pb_ratio6;
+  int pb_rsc0; // pointer to current position
+  int pb_rsc1;
+  int pb_rsc2;
+  int pb_rsc3;
+  int pb_rsc4;
+  int pb_rsc5;
+  int pb_rsc6;
+  int pb_oct0; // octave
+  int pb_oct1;
+  int pb_oct2;
+  int pb_oct3;
+  int pb_oct4;
+  int pb_oct5;
+  int pb_oct6;
+
+  void set_tonebank(int bank, signed short *buffer, int length);
+ protected:
+
+ public:
+  static const int MUTED=7;
+  static const int OPEN=0;
+
+  // accessors
+  int Frames(){return frames;};
+  int Finger(int finger);
+  int Fret(){return initial_fret;};
+  int Playing(){
+    if (pb_rate0 == 0 &&
+	pb_rate1 == 0 &&
+	pb_rate2 == 0 &&
+	pb_rate3 == 0 &&
+	pb_rate4 == 0 &&
+	pb_rate5 == 0 &&
+	pb_rate6 == 0) return 0;
+    return 1;
+  };
+
+ public :
+  // mutators
+      void Reverb(int size){reverb_max = 64 * size;};
+  void Finger(int finger, int position);
+  void Fret(int position){initial_fret = position;};
+  void Tuning(int t[6]);
+  void note_start(int chan, int note, int octave);
+  
+  // methods
+  int Play();
+  void fill_buffer();
+  void write_buffer();
+  void Stop();
+};
+
+#endif
+
+
+
+
+