[FFmpeg-user] how to include V4L2_PIX_FMT_H264

[Soho Soho123]

> Either update your kernel headers or add the following
> line to /usr/include/linux/videodev2.h:
> #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4')
>
yes, you are right!
After I add the line,
then V4L2_PIX_FMT_H264 has been defined,
thank you very much!