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/* 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();
};
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