built_in_key_tempo_analyzer.hpp

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#pragma once
 
#include <pulp/audio/analyzer_provider.hpp>
 
namespace pulp::audio {
 
// Background/offline key and tempo estimator built from Pulp's own onset and
// FFT primitives. Intended as a permissive baseline and fallback for package
// analyzers, not as a realtime callback component.
class BuiltInKeyTempoAnalyzer final : public KeyTempoAnalyzer {
public:
    BuiltInKeyTempoAnalyzer();
 
    [[nodiscard]] const AnalyzerDescriptor& descriptor() const noexcept override;
    [[nodiscard]] KeyTempoAnalysisResult analyze(
        BufferView<const float> source,
        const KeyTempoAnalysisConfig& config) override;
 
private:
    AnalyzerDescriptor descriptor_;
};
 
}  // namespace pulp::audio