mppjpegdec硬件USB摄像头MJPEG视频流黑屏

Which system do you use? Android, Ubuntu, OOWOW or others?

**Ubuntu**

Which version of system do you use? Khadas official images, self built images, or others?

**Khadas official images**

jpegdec软解可正常获取摄像头图像
**gst-launch-1.0 v4l2src device=/dev/video33 ! image/jpeg,width=1280,height=720,framerate=30/1 ! jpegdec ! rkximagesink**

mppjpegdec硬件黑屏
**gst-launch-1.0 v4l2src device=/dev/video33 ! image/jpeg,width=1280,height=720,framerate=30/1 ! jpegparse ! mppjpegdec ! rkximagesink**

Hello @XianZe

参考下这里硬件解码的用法:

@numbqq 谢谢您的解答,通过帖子里面的方式是可以对UVC摄像头MJPEG视频流进行解码,然后再编码成H264或者H265。不过我想实时解码并显示出来,我再看看是哪里没弄对。感谢解答。