built_in_transient_classifier.hpp

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#pragma once
 
#include <pulp/audio/analyzer_provider.hpp>
 
namespace pulp::audio {
 
// Background/offline transient classifier built from simple energy and spectral
// heuristics. It is a permissive fallback metadata source, not a production MIR
// replacement for package-backed drum/source classifiers.
class BuiltInTransientClassifier final : public TransientClassifier {
public:
    BuiltInTransientClassifier();
 
    [[nodiscard]] const AnalyzerDescriptor& descriptor() const noexcept override;
    [[nodiscard]] std::vector<TransientClassification> classify(
        BufferView<const float> source,
        std::span<const std::uint64_t> candidate_frames) override;
 
private:
    AnalyzerDescriptor descriptor_;
};
 
}  // namespace pulp::audio