X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Faudio_clip.h;fp=nageru%2Faudio_clip.h;h=71248af99cc5ba1cdef3f5ac081c8f6e00c8682d;hb=bd01e11a41a19fef2315319909d8655cac359f0f;hp=0000000000000000000000000000000000000000;hpb=a944bad466ba5601a96f6833e1ea2eb31f9b55af;p=nageru

diff --git a/nageru/audio_clip.h b/nageru/audio_clip.h
new file mode 100644
index 0000000..71248af
--- /dev/null
+++ b/nageru/audio_clip.h
@@ -0,0 +1,29 @@
+#ifndef AUDIO_CLIP_H
+#define AUDIO_CLIP_H
+
+// A short single-channel recording of an audio clip, for the delay analyzer.
+// Thread safe.
+
+#include <chrono>
+#include <memory>
+#include <mutex>
+#include <utility>
+#include <vector>
+
+class AudioClip
+{
+public:
+	void clear();
+	void add_audio(const float *samples, size_t num_samples, double sample_rate, std::chrono::steady_clock::time_point frame_time);
+	double get_length_seconds() const;
+
+	std::unique_ptr<std::pair<float, float>[]> get_min_max_peaks(unsigned width) const;
+
+private:
+	mutable std::mutex mu;
+	std::vector<float> vals;  // Under <mutex>.
+	double sample_rate;  // Under <mutex>.
+	std::chrono::steady_clock::time_point first_sample;  // Under <mutex>.
+};
+
+#endif