X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Faudio_clip.h;fp=nageru%2Faudio_clip.h;h=c087bdb2caa199035fb8e5f2e58e2d67e1abf574;hb=4c23038d9c18d22a9bfe577244a2d0fc293a7e6a;hp=693dbbd4aa863e141a4ac619ea24e59d10c23f56;hpb=5b1f88aa6f4e44f497e951f572a0fe2987389330;p=nageru

diff --git a/nageru/audio_clip.h b/nageru/audio_clip.h
index 693dbbd..c087bdb 100644
--- a/nageru/audio_clip.h
+++ b/nageru/audio_clip.h
@@ -22,6 +22,12 @@ public:
 	// Only valid if not empty.
 	std::chrono::steady_clock::time_point get_first_sample() const;
 
+	struct BestCorrelation {
+		float delay_ms;  // Positive values means this clip is delayed compared to the reference.
+		float correlation;  // Between -1 and +1 (+1 is a perfect match, -1 is a perfect inversion).
+	};
+	BestCorrelation find_best_correlation(const AudioClip *reference) const;
+
 	std::unique_ptr<std::pair<float, float>[]> get_min_max_peaks(unsigned width, std::chrono::steady_clock::time_point base) const;
 
 private: