使用ffmpeg的v4l2驱动采集rk_hdmirx输入的视频流报错
这是使用ffmpeg库打开时的日志信息fd:19 capabilities:84201000
Not a video capture device.
06:21:12 097 "标识 打开出错 -> 错误: 没有那个设备 地址: /dev/video11"
这是使用命令获取的驱动信息
v4l2-ctl -d /dev/video11 -V -D
Driver Info:
Driver name : rk_hdmirx
Card type : rk_hdmirx
Bus info : fdee0000.hdmirx-controller
Driver version : 5.10.160
Capabilities : 0x84201000
Video Capture Multiplanar
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04201000
Video Capture Multiplanar
Streaming
Extended Pix Format
Format Video Capture Multiplanar:
Width/Height : 1920/1080
Pixel Format : 'BGR3' (24-bit BGR 8-8-8)
Field : None
Number of planes: 1
Flags : premultiplied-alpha, 0x000000fe
Colorspace : sRGB
Transfer Function : Unknown (0x000000b8)
YCbCr/HSV Encoding: Unknown (0x000000ff)
Quantization : Full Range
Plane 0 :
Bytes per Line : 5760
Size Image : 6220800
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