struct v4l2_buffer { __u32 index; //缓存编号 enum v4l2_buf_type type; //视频捕获模式 __u32 bytesused; //缓存已使用空间大小 __u32 flags; //缓存当前状态 /* flags 为缓存当前状态(常见值有 V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE,分别代表当前缓存已经 映射、...
char name[V4L2_DEVICE_NAME_SIZE]; void (*notify)(struct v4l2_subdev *sd, unsigned int notification, void *arg); struct v4l2_ctrl_handler *ctrl_handler; struct v4l2_prio_state prio; struct mutex ioctl_lock; struct kref ref; void (*release)(struct v4l2_device *v4l2_dev); }; [cpp]...
Buffer Management API module » NvBufSurfTransform Types and Functions Detailed Description Holds the coordinates of a rectangle. Definition at line 150 of file nvbufsurftransform.h. Data Fields uint32_t top Holds the rectangle top. More... uint32_t left Holds the rectangle left side. More...
Open Description wammachado I have the same problem on ubuntu 20.04. I found a threadRemixVSL/iomemory-vsl4#25about this issue. Still looking for... Korynkai mentioned thison Jan 25, 2021 Korynkai commentedon Jan 25, 2021 Korynkai
(), thread_get_buffer_internal(), try_decode_frame(), try_decode_video_frame(), update_context_from_thread(), v4l2_configure_contexts(), v4l2_get_framesize_compressed(), vaapi_mpeg4_start_frame(), validate_thread_parameters(), vc1_decode_init(), vdpau_mpeg4_start_frame(), vp6_...
V4L2 学习三---> 常用命令 2014-01-17 13:44 − V4L2(Video For Linux Two) 一、打开视频设备 打开视频设备非常简单,在V4L2中,视频设备被看做一个文件。使用open函数打开这个设备: 1. 用非阻塞模式打开摄像头设备int cameraFd;cameraFd = open(... great贾子007 0 982 关于Linux的视频编程(v4l2编程...