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I have EasyCap 4 channel usb capture device with four cameras connected to it. I can view and capture video from the first input via /dev/video0, but there is no video1, video2, etc.

How do I switch to other inputs without physically reconnecting cameras?

Bus 001 Device 005: ID 05e1:0408 Syntek Semiconductor Co., Ltd STK1160 Video Capture Device

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I should point out that in V4L2 Test Bench I can switch between inputs (Composite0-3), but how do I specify input (other than /dev/video0) to ffmpeg or mjpeg-streamer? –  jM2.me Oct 5 '13 at 5:16
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