DVRStreaming.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once 
 
#include "CoreMinimal.h"
 
// *** TODO: Consider renaming to remove the DVR aspect, since this doesn't do anything with recording
 
struct FDVRStreamingStatus
{
    bool bIsStreaming;          // Are we currently broadcasting a video stream?
    bool bIsStreamingEnabled;   // Is streaming currently enabled or disabled?
 
    // NOTE: These are valid only if IsStreaming is true, otherwise these are empty/0
    int32 ViewerCount;      // Current number of viewers
    FString ProgramName;    // The name of the program being streamed. Likely depends on the streaming provider
    FString HLSUrl;         // HTTP Live Streaming URL
    FString ProviderUrl;    // Url to the streaming provider's site
};
 
class IDVRStreamingSystem
{
public:
    virtual ~IDVRStreamingSystem() { }
 
    virtual void GetStreamingStatus(FDVRStreamingStatus &StreamingStatus) = 0;
 
    virtual void EnableStreaming(bool Enable) = 0;
 
    // *** TODO: Consider adding support for a delegate here (as with the saved game system) for fetching hardware specific configuration data, since as data rates,
    // *** server side recording permission, etc. Or make those INI file configurations
 
    // *** TODO: Add more methods here as needed, e.g. social features for streaming or local recording control
};
 
class FGenericDVRStreamingSystem : public IDVRStreamingSystem
{
public:
    FGenericDVRStreamingSystem () : bIsStreamingEnabled(false)
    {
    }
 
    virtual void GetStreamingStatus(FDVRStreamingStatus &StreamingStatus) override
    {
        StreamingStatus.bIsStreaming = false;
        StreamingStatus.bIsStreamingEnabled = bIsStreamingEnabled;
 
        StreamingStatus.ViewerCount = 0;
        StreamingStatus.ProgramName = TEXT("");
        StreamingStatus.HLSUrl = TEXT("");
        StreamingStatus.ProviderUrl = TEXT("");
    }
 
    virtual void EnableStreaming(bool Enable) override
    {
        bIsStreamingEnabled = Enable;
    }
 
private:
    bool bIsStreamingEnabled;
};