AVStreamWrapper.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  AVStreamWrapper.h
 
  Dmitry Vedenko
 
**********************************************************************/
 
#pragma once
 
#include <memory>
 
#include "FFmpegTypes.h"
 
struct FFmpegFunctions;
class AVDictionaryWrapper;
typedef struct AVStream AVStream;
typedef struct AVCodecContext AVCodecContext;
 
class AVCodecContextWrapper;
 
class FFMPEG_SUPPORT_API AVStreamWrapper
{
public:
   AVStreamWrapper(const AVStreamWrapper&) = delete;
   AVStreamWrapper& operator=(AVStreamWrapper&) = delete;
 
   AVStreamWrapper(AVStreamWrapper&&) = delete;
   AVStreamWrapper& operator=(AVStreamWrapper&&) = delete;
 
   AVStreamWrapper(const FFmpegFunctions& ffmpeg, AVStream* wrapped) noexcept;
 
   AVStream* GetWrappedValue() noexcept;
   const AVStream* GetWrappedValue() const noexcept;
 
   virtual ~AVStreamWrapper() = default;
 
   virtual int GetIndex() const noexcept = 0;
 
   virtual int GetId() const noexcept = 0;
   virtual void SetId(int id) noexcept = 0;
 
   virtual AudacityAVRational GetTimeBase() const noexcept = 0;
   virtual void SetTimeBase(AudacityAVRational time_base) noexcept = 0;
 
   virtual int64_t GetStartTime() const noexcept = 0;
   virtual void SetStartTime(int64_t start_time) noexcept = 0;
 
   virtual int64_t GetDuration() const noexcept = 0;
   virtual void SetDuration(int64_t duration) noexcept = 0;
 
   virtual int64_t GetFramesCount() const noexcept = 0;
   virtual void SetFramesCount(int64_t nb_frames) noexcept = 0;
 
   virtual int GetDisposition() const noexcept = 0;
   virtual void SetDisposition(int disposition) noexcept = 0;
 
   virtual AVSampleFormatFwd GetDiscard() const noexcept = 0;
   virtual void SetDiscard(AVDiscardFwd discard) noexcept = 0;
 
   virtual AudacityAVRational GetSampleAspectRatio() const noexcept = 0;
   virtual void SetSampleAspectRatio(AudacityAVRational sample_aspect_ratio) noexcept = 0;
 
   virtual AVDictionaryWrapper GetMetadata() const noexcept = 0;
   virtual void SetMetadata(AVDictionaryWrapper metadata) noexcept = 0;
 
   virtual bool IsAudio() const noexcept = 0;
 
   virtual AVCodecIDFwd GetAVCodecID() const noexcept = 0;
 
   virtual std::unique_ptr<AVCodecContextWrapper> GetAVCodecContext() const noexcept = 0;
 
   virtual int SetParametersFromContext(AVCodecContextWrapper& context) noexcept = 0;
 
protected:
   const FFmpegFunctions& mFFmpeg;
   AVStream* mAVStream { nullptr };
};