Firefly开源社区

rk3399 uvc-gadget 异常

19

积分

0

威望

0

贡献

技术小白

积分
19
发表于 2019-6-28 17:09:37     
usb3.0 做uvc. 用uvc-gadget 应用PC获取不到图像
下面是报文信息

/dev/video0: 4 buffers requested.
/dev/video0: buffer 0 exported with fd 5.
/dev/video0: buffer 1 exported with fd 6.
/dev/video0: buffer 2 exported with fd 7.
/dev/video0: buffer 3 exported with fd 8.
/dev/video4: 4 buffers requested.
/dev/video4: buffer 0 valid.
/dev/video4: buffer 1 valid.
/dev/video4: buffer 2 valid.
/dev/video4: buffer 3 valid.
[ 2017.251525] uvcg_queue_enable 283
[ 2017.324460] uvcg_video_pump 330
[ 2017.324773] uvc_video_encode_isoc 111
[ 2017.325119] uvc_video_encode_data 51
[ 2017.325557] uvcg_video_pump 330
[ 2017.325858] uvc_video_encode_isoc 111
[ 2017.326203] uvc_video_encode_data 51
[ 2017.326573] uvcg_video_pump 330
[ 2017.326874] uvc_video_encode_isoc 111
[ 2017.327218] uvc_video_encode_data 51
[ 2017.327586] uvcg_video_pump 330
[ 2017.327886] uvc_video_encode_isoc 111
[ 2017.328231] uvc_video_encode_data 51
[ 2017.328597] uvcg_video_pump 312
[ 2017.357910] uvcg_video_pump 312
[ 2017.391567] uvcg_video_pump 312
Stopping video stream.
[ 2018.393847] VS request completed with status -104.
[ 2018.394622] VS request completed with status -104.
[ 2018.395063] VS request completed with status -104.
[ 2018.395544] VS request completed with status -104.
[ 2018.395994] uvcg_queue_enable 292
[ 2037.979188] configfs-gadget gadget: uvc_function_set_alt(1, 0)
Stopping video stream.
[ 2037.981121] uvcg_queue_enable 292
bRequestType a1 bRequest 87 wValue 1400 wIndex 0100 wLength 000a
control request (req 87 cs 14)
bRequestType a1 bRequest 81 wValue 0200 wIndex 0000 wLength 0001


回复

使用道具 举报

52

积分

0

威望

0

贡献

技术小白

积分
52
发表于 2019-7-21 22:56:44     
有没有确认是不是你应用层的视频数据传输中断了?
回复

使用道具 举报

*滑块验证:
您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

友情链接 : 爱板网 电子发烧友论坛 云汉电子社区 粤ICP备14022046号-2
快速回复 返回顶部 返回列表