AVCodecWrapper.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  AVCodecWrapper.h
 
  Dmitry Vedenko
 
**********************************************************************/
 
#pragma once
 
#include <cstdint>
#include "FFmpegTypes.h"
 
struct FFmpegFunctions;
typedef struct AVCodec AVCodec;
typedef struct AVRational AVRational;
 
class FFMPEG_SUPPORT_API AVCodecWrapper
{
public:
   AVCodecWrapper(const AVCodecWrapper&) = delete;
   AVCodecWrapper& operator=(AVCodecWrapper&) = delete;
 
   AVCodecWrapper(AVCodecWrapper&&) = delete;
   AVCodecWrapper& operator=(AVCodecWrapper&&) = delete;
 
   explicit AVCodecWrapper(const AVCodec* wrapped) noexcept;
 
   const AVCodec* GetWrappedValue() const noexcept;
 
   virtual ~AVCodecWrapper() = default;
 
   virtual const char* GetName() const noexcept = 0;
   virtual const char* GetLongName() const noexcept = 0;
   virtual AVMediaTypeFwd GetType() const noexcept = 0;
   virtual AVCodecIDFwd GetId() const noexcept = 0;
   virtual int GetCapabilities() const noexcept = 0;
   virtual const AVRational* GetSupportedFramerates() const noexcept = 0;
   virtual const AVMediaTypeFwd* GetPixFmts() const noexcept = 0;
   virtual const int* GetSupportedSamplerates() const noexcept = 0;
   virtual const AVSampleFormatFwd* GetSampleFmts() const noexcept = 0;
   virtual uint8_t GetMaxLowres() const noexcept = 0;
 
   virtual bool IsAudio() const noexcept = 0;
 
protected:
   const AVCodec* mAVCodec { nullptr };
};