feat: Initial clean release of CHM

packages/whisper-voice-typing/cpp/utils/WhisperSession.hpp

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "whisper.h"
+
+class WhisperSession {
+public:
+	WhisperSession(const std::string& modelPath, std::string lang, std::string prompt, bool shortAudioContext);
+	~WhisperSession();
+	// Adds to the buffer
+	void addAudio(float* audio, size_t count);
+	// Returns the next finalized slice of audio (if any) and updates the preview.
+	std::string transcribeNextChunk();
+	// Transcribes all buffered audio data that hasn't been finalized yet
+	std::string transcribeAll();
+
+private:
+	whisper_full_params buildWhisperParams_();
+	std::string transcribe_(const std::vector<float>& audio, size_t samplesToTranscribe);
+	std::string splitAndTranscribeBefore_(int transcribeUpTo, int trimTo);
+
+	bool isBufferSilent_();
+
+	whisper_context *pContext_;
+	const std::string lang_;
+	const std::string prompt_;
+	const bool shortAudioContext_;
+
+	std::vector<float> audioBuffer_;
+};
+