SoundFileReader.hpp

/******************************************************************************
 
  nomlib - C++11 cross-platform game engine
 
Copyright (c) 2013, 2014, 2015, 2016 Jeffrey Carpenter <i8degrees@gmail.com>
All rights reserved.
 
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#ifndef NOMLIB_AUDIO_LIBSNDFILE_SOUND_FILE_READER_HPP
#define NOMLIB_AUDIO_LIBSNDFILE_SOUND_FILE_READER_HPP
 
#include <string>
 
#include "nomlib/config.hpp"
#include "nomlib/audio/ISoundFileReader.hpp"
 
// Forward declarations
struct SNDFILE_tag;
struct SF_INFO;
 
namespace nom {
namespace audio {
 
std::string libsndfile_version();
 
// TODO(jeff): Error checking
// TODO(jeff): Use nom::err
class SoundFileReader: public ISoundFileReader
{
  public:
    SoundFileReader();
 
    virtual ~SoundFileReader();
 
    virtual bool valid() const override;
 
    virtual bool open(const std::string& filename, SoundInfo& info) override;
 
    virtual int64
    read(void* data, uint32 channel_format, nom::size_type chunk_size) override;

    virtual int64 seek(int64 offset, SoundSeek dir) override;
 
    virtual void close() override;
 
  private:
    SoundInfo parse_header(SF_INFO& metadata);
    static const char* parse_tags(SNDFILE_tag* fp, uint32 sound_tag);

    SNDFILE_tag* fp_ = nullptr;
};
 
} // namespace audio
} // namespace nom
 
#endif // NOMLIB_AUDIO_LIBSNDFILE_SOUND_FILE_READER_HPP defined