AudioDecoder.hpp

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#ifndef __blip_AudioDecoder_hpp
#define __blip_AudioDecoder_hpp

#include <blip/Blip.hpp>
#include <blip/AudioFormat.hpp>

#include <commonc++/DataReader.h++>

namespace blip {

class AudioClip;

class AudioDecoder
{
  public:

  AudioDecoder(ccxx::DataReader* reader);

  virtual ~AudioDecoder();

  void decodeMetadata();

  void decodeAudio(AudioClip* audio);

  inline const AudioFormat& getAudioFormat() const
  { return(_format); }

  inline uint32_t getNumSamples() const
  { return(_numSamples); }

  protected:

  virtual void readMetadata(ccxx::DataReader* reader) = 0;

  virtual void readAudio(ccxx::DataReader* reader, AudioClip* audio) = 0;

  inline void setAudioFormat(const AudioFormat& format)
  { _format = format; }

  inline void setNumSamples(uint32_t numSamples)
  { _numSamples = numSamples; }

  private:

  ccxx::DataReader* _reader;
  AudioFormat _format;
  uint32_t _numSamples;
  bool _metadataRead;
  bool _audioRead;

  CCXX_COPY_DECLS(AudioDecoder);
};

} // namespace blip

#endif // __blip_AudioDecoder_hpp