Files
UnrealEngineUWP/Engine/Source/Runtime/GameplayMediaEncoder/Private/BaseVideoEncoder.h
Josh Adams d0bf843c9c - Merging Dev-Kairos/Engine/... to Main/Engine/...
- Brings over the necessary engine changes for embedding UE4 mobile as a dylib/so in native mobile app
- Various changes for facial animation, screen recording, others
- ARKit and ARCore plugins were removed, as deemed "not ready"
#rb many people


#ROBOMERGE-OWNER: josh.adams
#ROBOMERGE-AUTHOR: josh.adams
#ROBOMERGE-SOURCE: CL 5201138 via CL 5203024

[CL 5226277 by Josh Adams in Main branch]
2019-02-27 11:57:17 -05:00

57 lines
1.5 KiB
C++

// Copyright 1998-2018 Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "GameplayMediaEncoderSample.h"
#include "GameplayMediaEncoderCommon.h"
struct FVideoEncoderConfig
{
uint32 Width;
uint32 Height;
uint32 Framerate;
uint32 Bitrate;
FVideoEncoderConfig()
: Width(0)
, Height(0)
, Framerate(0)
, Bitrate(0)
{}
};
class FBaseVideoEncoder
{
public:
using FOutputSampleCallback = TFunction<bool(const FGameplayMediaEncoderSample&)>;
explicit FBaseVideoEncoder(const FOutputSampleCallback& OutputCallback);
virtual ~FBaseVideoEncoder() {}
const FVideoEncoderConfig& GetConfig() const
{ return Config; }
virtual bool Initialize(const FVideoEncoderConfig& Config);
bool GetOutputType(TRefCountPtr<IMFMediaType>& OutType);
virtual bool Process(const FTexture2DRHIRef& Texture, FTimespan Timestamp, FTimespan Duration) = 0;
// is called from same thread as `Process()`
// dynamically changes bitrate in runtime to adjust to available bandwidth
virtual bool SetBitrate(uint32 Bitrate) = 0; // has impl despite being "pure"
// is called from same thread as `Process()`
// dynamically changes framerate in runtime to adjust to available bandwidth
virtual bool SetFramerate(uint32 Framerate) = 0; // has impl despite being "pure"
virtual bool Start() = 0;
virtual void Stop() = 0;
protected:
FOutputSampleCallback OutputCallback;
FVideoEncoderConfig Config;
TRefCountPtr<IMFMediaType> OutputType;
uint64 InputCount = 0;
uint64 OutputCount = 0;
};