Firefly开源社区

标题: rk3399 uvc-gadget 异常 [打印本页]

作者: herochengm 时间: 2019-6-28 17:09
标题: rk3399 uvc-gadget 异常
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

作者: wwwbbk1 时间: 2019-7-21 22:56
有没有确认是不是你应用层的视频数据传输中断了？

作者: 耗蓝哥 时间: 2020-3-19 15:01
请问问题解决了吗？我也遇到同样的问题了

作者: JabinQu 时间: 2022-6-29 09:20
遇到一样的问题，后来怎么解决的啊？

作者: Promise 时间: 2023-6-2 16:42
大佬请问怎么配置的uvc gadget 我的主机一直识别不上. 日志上只打印了uvc_bind 函数

欢迎光临 Firefly开源社区 (https://dev.t-firefly.com/)