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that is useful to be released early onto Main. -------------------------- Bugfixes -------------------------- Fix update default max bitrate to support 4k Fix resolution changing and fix match viewport resolution browser side option. Fix stream not playable when streamer disconnects but page not refreshed. Fix SFU/data-only peers were able to request/gain quality controller status. Fix delegate registration for backbuffer texture sources would sometimes be called when deleted and crash. Fix uncessary bundling of pixel streaming servers when building non-game targets such as Editor/Server. Fix PixelStreaming plugin now works with "-onethread" enabled and some methods have been made more thread safe. -------------------------- Refactors -------------------------- Refactor texture source API surface to enable texture sources that do not use Unreal Engine texture types. Refactor to make FixedFPSPump be more usable by any arbitrary thing that wants updates at a fixed interval (not just video sources). Refactor to remove player id from video sources to make them easier to create outside of a true peer connection existing. Refactor to remove unecessary CVarPixelStreamingWaitForTextureCopy. Refactor to expose functionality on module `CreateExternalVideoSource`. This is experimental and will likely be changed before 5.1. -------------------------- Features -------------------------- Added foundation for desktop streaming on Pixel Streaming. Added simulcast support for VP8. Added a compute shader for faster I420 conversion when using VPX, this is faster than CPU readback and conversion in our tests. Added some PixelStreaming tests 1. A test that will start streaming, connect to a client, and check that a data channel message can be sent. 2. A mock signalling server test and functionality to test the C++ connection to the signalling server. Added "stat pixelstreaming" and made PixelStreaming.HUDStats able to be toggled on/off. Added custom UE implementation webrtc::AdaptedVideoTrackSource that can add/remove remove video sinks at runtime. Added ability on module to start/stop streaming as needed. Added peers can now swap roles between P2P and simulcast mid-stream. To test this new feature: 1. Simply toggle the PreferSFU toggle in the settings panel. 2. Click the new restart stream button in the settings panel. #JIRA UCS-2781,UE-140913,UE-141101,UE-141104,UE-141105,UE-141106,UE-141862,UE-147157 #rb Luke.Bermingham #fyi Nick.Pace, Mathew.Cotton, Mattias.Jansson #preflight 624a7c27637925b5d3f7840c #preflight 624b71109f404234149a58a2 [CL 19616813 by Aidan Possemiers in ue5-main branch]