slice_map.hpp

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#pragma once
 
#include <cstdint>
#include <vector>
 
namespace pulp::audio {
 
enum class SliceMarkerSource : std::uint8_t {
    Onset,
    BeatGrid,
    Silence,
    Manual,
    Imported,
    LoopStart,
    LoopEnd,
};
 
struct SliceMarker {
    std::uint64_t frame = 0;
    double confidence = 0.0;
    SliceMarkerSource source = SliceMarkerSource::Manual;
};
 
struct SliceRegion {
    std::uint64_t start_frame = 0;
    std::uint64_t end_frame = 0;  // exclusive
    std::uint32_t marker_index = 0;
};
 
struct SliceMap {
    std::uint64_t source_generation = 0;
    std::uint64_t source_frames = 0;
    double source_sample_rate = 0.0;
    std::vector<SliceMarker> markers;
    std::vector<SliceRegion> regions;
};
 
bool validate_slice_map(const SliceMap& map) noexcept;
 
}  // namespace pulp::audio