Force hardware acceleration on VLC playing from webcam

To force hardware-acceleration, which makes use of GPU, while playing or streaming from webcam, we need to add chroma= option to the input device. For example, if I want to force GPU for H264 codec on /dev/video0 device.

$ vlc v4l2:///dev/video0:chroma=h264

The value of chroma option is the codec, or pixelformat, supported by the webcam. So you need to check what output format supported by camera beforehand.


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