move to new cspot

components/spotify/cspot/bell/main/audio-containers/include/AACContainer.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <cstring>
+#include <cstddef>
+#include <vector>
+#include "AudioContainer.h"
+#include "aacdec.h"
+
+namespace bell {
+class AACContainer : public AudioContainer {
+ public:
+  ~AACContainer(){};
+  AACContainer(std::istream& istr);
+
+  std::byte* readSample(uint32_t& len) override;
+  void parseSetupData() override;
+
+  bell::AudioCodec getCodec() override { return bell::AudioCodec::AAC; }
+
+ private:
+  static constexpr auto AAC_MAX_FRAME_SIZE = 2100;
+  static constexpr auto BUFFER_SIZE = 1024 * 10;
+
+  std::vector<std::byte> buffer = std::vector<std::byte>(BUFFER_SIZE);
+
+  size_t bytesInBuffer = 0;
+  size_t dataOffset = 0;
+
+  bool fillBuffer();
+};
+}  // namespace bell

components/spotify/cspot/bell/main/audio-containers/include/AudioContainer.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <cstddef>
+#include <istream>
+#include <cstring>
+#include "CodecType.h"
+#include "StreamInfo.h"
+
+namespace bell {
+class AudioContainer {
+ protected:
+  std::istream& istr;
+  uint32_t toConsume = 0;
+
+ public:
+  bell::SampleRate sampleRate;
+  bell::BitWidth bitWidth;
+  int channels;
+
+  AudioContainer(std::istream& istr) : istr(istr) {}
+
+  virtual std::byte* readSample(uint32_t& len) = 0;
+  void consumeBytes(uint32_t bytes) { this->toConsume = bytes; }
+  virtual void parseSetupData() = 0;
+  virtual bell::AudioCodec getCodec() = 0;
+};
+}  // namespace bell

components/spotify/cspot/bell/main/audio-containers/include/AudioContainers.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <iostream>
+#include <memory>
+#include "AACContainer.h"
+#include "AudioContainer.h"
+#include "MP3Container.h"
+
+namespace bell::AudioContainers {
+std::unique_ptr<bell::AudioContainer> guessAudioContainer(std::istream& istr);
+}  // namespace bell::AudioContainers

components/spotify/cspot/bell/main/audio-containers/include/MP3Container.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <cstring>
+#include <cstddef>
+#include <vector>
+#include "AudioContainer.h"
+#include "mp3dec.h"
+
+namespace bell {
+class MP3Container : public AudioContainer {
+ public:
+  ~MP3Container(){};
+  MP3Container(std::istream& istr);
+
+  std::byte* readSample(uint32_t& len) override;
+  void parseSetupData() override;
+  bell::AudioCodec getCodec() override { return bell::AudioCodec::MP3; }
+
+ private:
+  static constexpr auto MP3_MAX_FRAME_SIZE = 2100;
+  static constexpr auto BUFFER_SIZE = 1024 * 10;
+
+  std::vector<std::byte> buffer = std::vector<std::byte>(BUFFER_SIZE);
+
+  size_t bytesInBuffer = 0;
+  size_t dataOffset = 0;
+
+  bool fillBuffer();
+};
+}  // namespace bell