herochengm 发表于 2019-6-28 17:09:37

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


wwwbbk1 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?

耗蓝哥 发表于 2020-3-19 15:01:52

请问问题解决了吗?我也遇到同样的问题了

JabinQu 发表于 2022-6-29 09:20:17

遇到一样的问题,后来怎么解决的啊?

Promise 发表于 2023-6-2 16:42:44

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
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