Move library tree where it belongs

lib-src/libscorealign/audiomixerreader.h

@@ -0,0 +1,27 @@
+/* audiomixerreader.h -- reads samples from an Audacity mixer on behalf of scorealign
+ *
+ * 21-Jul-08 RBD
+ */
+
+#define AMR_BUFFER_FRAMES 4096
+
+class Audio_mixer_reader : public Audio_reader {
+public:
+  virtual long read(float *data, long n);
+  // Mixer *mixer;
+  void *mixer;
+  mixer_process_fn mixer_process;
+  float *buffer;
+  int channels;
+  long buffer_len; // number of samples pointed to by buffer
+  long index; // index into buffer
+  long total_frames; // number of frames in input audio 
+                     // (returned by get_frames)
+  double sample_rate;
+  Audio_mixer_reader(void *mixer, mixer_process_fn fn_ptr, int chans, 
+                     double srate, double end_time);
+  void close();
+  double get_sample_rate();
+  long get_frames();
+  void print_info();
+};