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