Xiaohan-Tian
38 lines
1.2 KiB
TypeScript
38 lines
1.2 KiB
TypeScript
import type { KGProject } from '../core/KGProject';
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import type { KGAudioRegion } from '../core/region/KGAudioRegion';
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import { beatRangeToSeconds, getAudioRegionDisplayLengthBeats } from './globalTrackUtil';
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export {
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DEFAULT_AUDIO_TEMPO_DETECTION_OPTIONS,
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detectTempoFromAudio,
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normalizeAudioTempoDetectionOptions,
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type AudioTempoAnalysisSpan,
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type AudioTempoDetectionOptions,
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type DetectedAudioTempo,
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} from './audioTempoDetectionCore';
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import type { AudioTempoAnalysisSpan } from './audioTempoDetectionCore';
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const MIN_ANALYSIS_DURATION_SECONDS = 0.05;
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export function buildAudioTempoAnalysisSpanForRegion(
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project: KGProject,
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audioRegion: KGAudioRegion,
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): AudioTempoAnalysisSpan | null {
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const visibleLengthBeats = getAudioRegionDisplayLengthBeats(project, audioRegion);
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if (visibleLengthBeats <= 0) {
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return null;
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}
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const regionStartBeat = audioRegion.getStartFromBeat();
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const durationSeconds = beatRangeToSeconds(project, regionStartBeat, regionStartBeat + visibleLengthBeats);
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if (durationSeconds < MIN_ANALYSIS_DURATION_SECONDS) {
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return null;
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}
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return {
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offsetSeconds: audioRegion.getClipStartOffsetSeconds(),
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durationSeconds,
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};
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}
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