Nvidia Jetson平台GStreamer in JP4.2.1不能采集
但是 v4l2-ctl和 ffmpeg能正常采集视频
最近从JP3.3转移到JP4.2.1，
在TX2系统中有一个带有自定义驱动程序的模拟视频捕获卡。
在3.3中没有捕获模拟视频的问题，
但在4.2.1中在启动GStreamer-时得到了这个错误。
gst-launch-1.0 v4l2src device="/dev/video100" ! 'video/x-raw, width=(int)704, height=(int)480, format=(string)UYVY' ! fakesink- Setting pipeline to PAUSED ...
- Pipeline is live and does not need PREROLL ...
- ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Device '/dev/video100' has no supported format
- Additional debug info:
- gstv4l2object.c(3760): gst_v4l2_object_set_format_full (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
- Call to S_FMT failed for UYVY @ 704x480: Invalid argument
- ERROR: pipeline doesn't want to preroll.
- Setting pipeline to PAUSED ...
- Setting pipeline to READY ...
- Setting pipeline to NULL ...
- Freein