UE4 GStreamer plugin

Getting Started

Tested with UE4 4.21 and GStreamer 1.14.4

Download and install GStreamer binaries and dev files

Edit Plugins\GStreamer\Source\GStreamer\GStreamer.Build.cs

Modify const string GStreamerRoot = @"d:\dev\gstreamer1.14.4\1.0\x86_64" to path where GStreamer installed

Launch project and hit play.

Stream UE4 scene:

Pipeline:

appsrc name=src caps=video/x-raw,width=(int)1920,height=(int)1080,format=(string)BGRA,framerate=(fraction)60/1 ! tcpserversink port=5000 sync=false

Consuming pipeline:

gst-launch-1.0 -v tcpclientsrc host=127.0.0.1 port=5000 ! pngdec ! video/x-raw,format=RGBA ! videoconvert ! videorate ! video/x-raw,framerate=60/1 ! videoscale ! video/x-raw,width=640,height=480 ! fpsdisplaysink

Other example pipelines

Test pattern:

videotestsrc pattern=snow ! video/x-raw,width=(int)512,height=(int)512,format=(string)RGBA,framerate=(fraction)30/1 ! appsink name=sink

Play a local file:

filesrc location=d:/video/doom.mp4 ! decodebin ! videoconvert ! video/x-raw,format=(string)RGBA ! videoconvert ! appsink name=sink

Play URI:

uridecodebin uri=http://images.nvidia.com/geforce-com/international/videos/doom/doom-nvidia-geforce-gtx-geforce-dot-com-vulkan-graphics-api-gameplay-video.mp4 ! videoconvert ! video/x-raw,format=(string)RGBA ! videoconvert ! appsink name=sink