Jan 19, 2023, 6:20 AM

UVC相机接入gstreamer mpp初始化失败。

运行如下命令
#gst-launch-1.0 v4l2src device=/dev/video20 ! image/jpeg, width=1280,height=720,framerate=120/1 ! jpegparse ! mppjpegdec ! videoconvert ! xvimagesink

报错如下
Setting pipeline to PAUSED ...
mpp_info: mpp version: 93b1cd14 author: He Hua 2022-12-26 [vpu_api]: modify struct VideoFrame
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
vcodec_service: vcodec_service_init unsupported client type 13
hal_jpegd_rkv: mpp_dev_init failed. ret: -1
mpp_hal: mpp_hal_init hal jpegd init failed ret -1
mpp_hal: mpp_hal_init could not found coding type 8
mpp_dec: mpp_dec_init could not init hal
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp_time: mpp_clock_put invalid clock (nil)
mpp: error found on mpp initialization

使用jpegdec没有问题