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387280333f
This commit adds the framework APIs, editor and rendering features needed to support live streaming. Along with this, we're working on a new plugin that adds Twitch.tv support (waiting for legal approval to commit.)
- Game live streaming
- Allows general support for live internet streaming of game video and audio
- Web cam video feed can be overlaid onto game viewports automatically
- New 'Broadcast' Blueprint function library allows you to easily start broadcasting from your game
- New IGameLiveStreaming API that allows you to start broadcasting through C++
- Editor live streaming
- The editor UI now displays a "broadcast" button automatically when a live streaming service is available
- Broadcasting of all desktop editor windows is supported (configured in preferences)
- If you have a web cam, video will be displayed automatically while broadcasting in a new editor window
- New "Live Streaming" editor preference tab with many new settings for configuring broadcasting
- New IEditorLiveStreaming API that lets you control editor broadcasting directly, if needed
- Added new 'Broadcast.Start' and 'Broadcast.Stop' console commands
- These allow you to easily test live streaming in games without writing UI code
- Built-in help is available for these new commands
- To implement a live streaming plugin:
- Inherit from the new ILiveStreamingService interface
- Register your "LiveStreaming" feature with the IModularFeatures system
- Other changes:
- Eliminated broken screen quad drawing functions; replaced with publicly-exposed DrawRectangle()
- Slate: Eliminated legacy code for 'marking windows as drawn' (not used anymore)
- Slate: Added Slate rendering callback to find out when a frame buffer is ready to be presented
[CL 2115377 by Mike Fricker in Main branch]
55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "ModuleManager.h"
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/**
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* Interface to the EditorLiveStreaming module's functionality that enables live broadcasting of video and audio from editor sessions
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*/
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class IEditorLiveStreaming
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: public IModuleInterface
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{
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public:
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/**
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* Checks to see if live streaming is currently available for the editor
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*
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* @return True if live streaming is possible to start
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*/
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virtual bool IsLiveStreamingAvailable() const = 0;
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/**
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* Returns true if we're currently broadcasting
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*
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* @return True if broadcasting is currently active
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*/
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virtual bool IsBroadcastingEditor() const = 0;
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/** Starts broadcasting frames */
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virtual void StartBroadcastingEditor() = 0;
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/** Stops broadcasting frames */
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virtual void StopBroadcastingEditor() = 0;
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/** Pushes latest video from the editor to a live stream. The editor's rendering system will call this each frame. */
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virtual void BroadcastEditorVideoFrame() = 0;
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public:
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/**
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* Singleton-like access to IEditorLiveStreaming
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*
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* @return Returns instance of IEditorLiveStreaming object
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*/
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static inline IEditorLiveStreaming& Get()
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{
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return FModuleManager::LoadModuleChecked< IEditorLiveStreaming >( "EditorLiveStreaming" );
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}
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};
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