v4l2_encoder_cmd 1444 include/linux/videodev2.h #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
v4l2_encoder_cmd 1445 include/linux/videodev2.h #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
v4l2_encoder_cmd  195 include/media/v4l2-ioctl.h 					struct v4l2_encoder_cmd *a);
v4l2_encoder_cmd  197 include/media/v4l2-ioctl.h 					struct v4l2_encoder_cmd *a);