使用gst-launch-1.0输出双路图像

1、两路画面合并在同一个窗口分屏显示gst-launch-1.0 compositornamemix\sink_0::xpos0sink_0::ypos0sink_0::width1920sink_0::height1536\sink_1::xpos1920sink_1::ypos0sink_1::width1920sink_1::height1536\!videoconvert!autovideosink\v4l2srcdevice/dev/video0!videoconvert!mix.sink_0\v4l2srcdevice/dev/video1!videoconvert!mix.sink_12、两路不同摄像头各自独立窗口gst-launch-1.0\v4l2srcdevice/dev/video0!videoconvert!autovideosink\v4l2srcdevice/dev/video1!videoconvert!autovideosink