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class Scorealign;
class Audio_reader {
public:
long samples_per_frame;
long hop_samples;
double actual_frame_period;
long frame_count; // number of chroma vectors (analysis windows)
virtual void print_info() = 0;
long read_window(float *data);
virtual long read(float *data, long n) = 0;
virtual double get_sample_rate() = 0;
virtual long get_frames() = 0; // returns frames of input audio
// i.e. (samples/channels)
void calculate_parameters(Scorealign &sa, bool verbose);
Audio_reader() {
reading_first_window = true;
reading_last_window = false;
temp_data = NULL;
}
~Audio_reader() {
if (temp_data) free(temp_data);
}
protected:
bool reading_first_window;
bool reading_last_window;
float *temp_data;
};
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