add some code

managed_components/78__esp-opus-encoder/include/opus_encoder.h

@@ -0,0 +1,44 @@
+#ifndef _OPUS_ENCODER_WRAPPER_H_
+#define _OPUS_ENCODER_WRAPPER_H_
+
+#include <functional>
+#include <vector>
+#include <memory>
+#include <cstdint>
+#include <mutex>
+
+#include "opus.h"
+
+#define MAX_OPUS_PACKET_SIZE 1000
+
+
+class OpusEncoderWrapper {
+public:
+    OpusEncoderWrapper(int sample_rate, int channels, int duration_ms = 60);
+    ~OpusEncoderWrapper();
+
+    inline int sample_rate() const {
+        return sample_rate_;
+    }
+
+    inline int duration_ms() const {
+        return duration_ms_;
+    }
+
+    void SetDtx(bool enable);
+    void SetComplexity(int complexity);
+    bool Encode(std::vector<int16_t>&& pcm, std::vector<uint8_t>& opus);
+    void Encode(std::vector<int16_t>&& pcm, std::function<void(std::vector<uint8_t>&& opus)> handler);
+    bool IsBufferEmpty() const { return in_buffer_.empty(); }
+    void ResetState();
+
+private:
+    std::mutex mutex_;
+    struct OpusEncoder* audio_enc_ = nullptr;
+    int sample_rate_;
+    int duration_ms_;
+    int frame_size_;
+    std::vector<int16_t> in_buffer_;
+};
+
+#endif // _OPUS_ENCODER_H_