applied platformio structure

lib/spotify/cspot/bell/main/audio-codec/include/OPUSDecoder.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <stdint.h>  // for uint8_t, uint32_t, int16_t
+
+#include "BaseCodec.h"  // for BaseCodec
+
+struct OpusDecoder;
+
+namespace bell {
+class OPUSDecoder : public BaseCodec {
+ private:
+  OpusDecoder* opus;
+  int16_t* pcmData;
+
+ public:
+  OPUSDecoder();
+  ~OPUSDecoder();
+  bool setup(uint32_t sampleRate, uint8_t channelCount,
+             uint8_t bitDepth) override;
+  uint8_t* decode(uint8_t* inData, uint32_t& inLen, uint32_t& outLen) override;
+};
+}  // namespace bell