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/* scorealign-glue.cpp -- interface between Audacity and scorealign library
*
* 21-Jul-08 RBD
*/
#include <stdlib.h>
#include <string.h>
#include "allegro.h"
#include "audioreader.h"
#include "scorealign.h"
#include "scorealign-glue.h"
#include "audiomixerreader.h"
int scorealign(void *mixer, mixer_process_fn fn_ptr, int chans, double srate,
double end_time, Alg_seq *seq, SAProgress *progress,
ScoreAlignParams ¶ms)
{
Scorealign sa;
sa.frame_period = params.mFramePeriod;
sa.window_size = params.mWindowSize;
sa.silence_threshold = params.mSilenceThreshold;
sa.force_final_alignment = (params.mForceFinalAlignment != 0.0);
sa.ignore_silence = (params.mIgnoreSilence != 0.0);
sa.presmooth_time = params.mPresmoothTime;
sa.line_time = params.mLineTime;
sa.smooth_time = params.mSmoothTime;
Audio_mixer_reader reader(mixer, fn_ptr, chans, srate, end_time);
reader.calculate_parameters(sa, false);
sa.progress = progress;
int result = sa.align_midi_to_audio(*seq, reader);
params.mMidiStart = sa.first_x * sa.actual_frame_period_0;
params.mMidiEnd = (sa.last_x + 1) * sa.actual_frame_period_0;
params.mAudioStart = sa.first_y * sa.actual_frame_period_1;
params.mAudioEnd = (sa.last_y + 1) * sa.actual_frame_period_1;
if (result != SA_SUCCESS) {
return result;
}
sa.midi_tempo_align(*seq);
// seq has now been modified to conform to audio provided by mixer
return SA_SUCCESS; // success
}
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