119/* set format in */120GetDispResolution(&iLcdWidth,&iLcdHeigt,&iLcdBpp);121memset(&tV4l2Fmt,0,sizeof(structv4l2_format));122tV4l2Fmt.type=V4L2_BUF_TYPE_VIDEO_CAPTURE;123tV4l2Fmt.fmt.pix.pixelformat=ptVideoDevice->iPixelFormat;124tV4l2Fmt.fmt.pix.width=iLcdWidth;125tV4l2Fmt.fmt.pix...
.vidioc_enum_fmt_vid_out =uvc_ioctl_enum_fmt_vid_out, .vidioc_g_fmt_vid_cap =uvc_ioctl_g_fmt_vid_cap,---VIDIOC_G_FMT .vidioc_g_fmt_vid_out =uvc_ioctl_g_fmt_vid_out, .vidioc_s_fmt_vid_cap =uvc_ioctl_s_fmt_vid_cap,---VIDIOC_S_FMT .vidioc_s_fmt_vid_out =uvc_ioctl_s...
staticconststructv4l2_subdev_pad_ops sditf_subdev_pad_ops ={ .set_fmt=sditf_get_set_fmt, .get_fmt=sditf_get_set_fmt, .get_selection=sditf_get_selection, .get_mbus_config=sditf_g_mbus_config, };staticconststructv4l2_subdev_video_ops sditf_video_ops ={ .g_frame_interval=sditf_g...
fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;//V4L2_PIX_FMT_YUV420;//V4L2_PIX_FMT_YUYV; fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; { printf("-#-#-#-#-#-#-#-#-#-#-#-#-#-\n"); printf("===will set fmt to (%d, %d)--", fmt.fmt.pix.width, fmt.fmt.pix.height); if...
fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;//V4L2_PIX_FMT_YUV420;//V4L2_PIX_FMT_YUYV; fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; { printf("-#-#-#-#-#-#-#-#-#-#-#-#-#-/n"); printf("===will set fmt to (%d, %d)--", fmt.fmt.pix.width, fmt...
Step4: set fmt: int ret = -1; struct v4l2_format fmt; CLEAR(fmt); fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; fmt.fmt.pix.width = FRAME_WIDTH; fmt.fmt.pix.height = FRAME_HEIGHT; #ifdef CAPTURE_YUV fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; #else fmt.fmt.pix.pixelformat = V4L2...
5. 拍摄照片或录制视频:可以使用v4l2-ctl -d /dev/videoX –set-ctrl=xxx命令来设置指定视频设备的控制参数,如亮度、对比度、饱和度等。然后使用v4l2-ctl -d /dev/videoX –set-fmt-video=width=xxx,height=xxx,pixelformat=xxx命令设置视频参数。最后使用v4l2-ctl -d /dev/videoX –stream-mmap命令开始拍摄...
使用i2cset命令设置I2C设备的寄存器值: rk3568_t:/ # i2cset -f -y 1 0x30 0xff 0x00 b 常用调试命令 抓取图像: 使用v4l2-ctl抓取一帧图像: v4l2-ctl -d /dev/video0 --set-fmt-video=width=320,height=240,pixelformat=UYVY --stream-mmap --stream-to=./cif.out --stream-count=1 ...
(struct v4l2_subdev *sd, struct media_link *link,struct v4l2_subdev_format *source_fmt, struct v4l2_subdev_format *sink_fmt); #endif ; int (*get_frame_desc)(struct v4l2_subdev *sd, unsigned int pad, struct v4l2_mbus_frame_desc *fd); int (*set_frame_desc)(struct v4l2_subdev *sd...