Media.h

См. документацию.

#pragma once
 
#include <memory>
#include <string>
 
#include "src/tools/MemBuffer.h"
 
class IAudioDataSource {
 public:
    IAudioDataSource() {}
    virtual ~IAudioDataSource() {}
 
    virtual bool Open() = 0;
    virtual void Close() = 0;
 
    virtual size_t GetSampleRate() = 0;
    virtual size_t GetChannelCount() = 0;
    virtual PMemBuffer GetNextBuffer() = 0;
};
typedef std::shared_ptr<IAudioDataSource> PAudioDataSource;
 
PAudioDataSource CreateAudioFileDataSource(const std::string &file_name);
PAudioDataSource CreateAudioBufferDataSource(PMemBuffer buffer);
 
class IAudioTrack {
 public:
    IAudioTrack() {}
    virtual ~IAudioTrack() {}
 
    virtual bool Open(PAudioDataSource data_source) = 0;
    virtual bool IsValid() = 0;
 
    virtual bool Play() = 0;
    virtual bool Stop() = 0;
    virtual bool Pause() = 0;
    virtual bool Resume() = 0;
    virtual bool SetVolume(float volume) = 0;
    virtual float GetVolume() = 0;
};
typedef std::shared_ptr<IAudioTrack> PAudioTrack;
 
PAudioTrack CreateAudioTrack(const std::string &file_path);
 
class IAudioSample {
 public:
    IAudioSample() {}
    virtual ~IAudioSample() {}
 
    virtual bool Open(PAudioDataSource data_source) = 0;
    virtual bool IsValid() = 0;
 
    virtual bool Play(bool loop = false, bool positioned = false) = 0;
    virtual bool Stop() = 0;
    virtual bool SetVolume(float volume) = 0;
    virtual bool SetPosition(float x, float y, float z, float max_dist) = 0;
};
typedef std::shared_ptr<IAudioSample> PAudioSample;
 
PAudioSample CreateAudioSample(PMemBuffer buffer);
 
class IVideoDataSource {
 public:
    IVideoDataSource() {}
    virtual ~IVideoDataSource() {}
 
    virtual bool Open() = 0;
    virtual void Close() = 0;
 
    virtual size_t GetFrameRate() = 0;
    virtual size_t GetWidth() = 0;
    virtual size_t GetHeight() = 0;
    virtual PMemBuffer GetNextFrame() = 0;
};
typedef std::shared_ptr<IAudioDataSource> PAudioDataSource;
 
class IMovie {
 public:
    IMovie() {}
    virtual ~IMovie() {}
 
    virtual unsigned int GetWidth() const = 0;
    virtual unsigned int GetHeight() const = 0;
 
    virtual bool Play(bool loop = false) = 0;
    virtual bool Stop() = 0;
    virtual bool IsPlaing() const = 0;
    virtual PMemBuffer GetFrame() = 0;
};
typedef std::shared_ptr<IMovie> PMovie;