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denji/Video Screen Capture with GStreamer.md

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Created June 4, 2023 20:34
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[Video Screen Capture with GStreamer] Capture a Linux desktop window video with gsteramer. #tags: gstreamer, linux, xwindows, video
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Video Screen Capture with GStreamer.md

Capture a video of a given X Window with gstreamer.

X Window ID

Get the target window ID with the following:

xwininfo

The window ID will look something like:

xwininfo: Window id: 0x60000f "xterm"

GStreamer screen capture video to file

From the gstreamer ximagesrc documentation (update the window ID as necessary):

gst-launch-1.0 ximagesrc xid=0x60000f ! video/x-raw,framerate=5/1 ! videoconvert ! theoraenc ! oggmux ! filesink location=desktop.ogg

Capture to x264 MP4

gst-launch-1.0 ximagesrc xid=0x60000f ! video/x-raw,framerate=5/1 ! videoconvert ! queue ! x264enc pass=5 quantizer=26 speed-preset=6 ! mp4mux fragment-duration=500 ! filesink location="capture.mp4"

To Do

Convert this to a bash script.

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