python usb camera

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Install USB camera driver in Fedora Linux

When using kopete for chatting, you need to open your own camera. How can you install a driver in Linux? Come with me for three minutes and do not worry that your camera has no driver, how to enjoy video chat in Linux! Download the universal driverProgramGspcav-20070110 (this driver supports 2.6.11 or later kernel versions) File Name: gspcav1-20070110.tar.gzSpca5xx-20060501 (this driver supports kernel ve

Android4.0 USB Camera instance (I) HAL Layer

I always wanted to write a Camera example from the HAL layer to the application layer, usb camera cannot be used on android4.0, so I decided to write a usb camera and coms on my own. The basic principle is the same. v4l2, but the source code data format is different. Now we

A very strange problem occurred when using a USB camera in Ubuntu.

wild pointer. Then, when cvimage is used, it becomes wrong. At first, I thought it was a problem with the camera that no data was captured, but a new one, the problem still persists. Then I doubt whether it is a problem with the USB driver, but when I plug in the USB flash drive, it works well .... Enter lsusb in the command line to find the

The arm9-platform supports the USB camera of zc0301p

Release date: 2005/12/05 pm Http://www.21icbbs.com/club/bbs/bbsView.asp? Boardid = 35I use the most common USB camera. The main chip is zc0301p (it is said that the market share is more than 70%), and the COMs sensor is Hynix. Basically, this configuration is available on the market.Linux driver, I directly transplanted spca5xx, now out of the spc5xx-le (light-edition for Linux Embedded) more convenient, d

OpenCV External USB Camera

Recently, we need to use OPENCV Computer Vision Library to read and display and save the video. As a result of the previous use of notebooks, the desktop external USB camera, there are a lot of problems, always show memory problems, Google, Baidu large half-day, summed up the way the great God proposal, finally solved the problem, the problem and code to share to everyone, avoid detours. The cause of the pr

Debug a USB camera in Ubuntu

How can I try a USB camera in Ubuntu? I am using the Phillips USB camera, and the system Ubuntu9.04vlc version 0.9.4 is successfully viewed in my method 1. Of course, the camera is inserted into 2. Check the version of the vlc (open the vlc in the help File) and check whethe

A very strange problem occurred when using a USB camera in Ubuntu.

A few days ago, when I wrote a video chat function to a project, I encountered a very strange problem. in Backtrack5 (ubuntu10.04), I used Qt + openCV to collect camera data and then encoded the data for transmission. after compiling openCV2.3, the camera data can be normally collected. but the strange thing is that, after I restart the host and switch to another system (windows System), I will restart it a

Ros Install USB Camera

Ros Install USB CameraThis article is original, reprint please indicate from CSDN jasmine_shine columnWebsite: http://blog.csdn.net/jasmine_shine/article/details/467150991. Clear the model of USB camera.In the terminal type $LSUSB, will show all the camera model code, specific reference:Http://www.ideasonboard.org/uvc/Based on the ID given above, I found the Blue

Android4.0 USB Camera instance (5) jpg compression

Most of the time I 've been studying usb cameras recently. By the way, I 've written jpg encoding to most of the following functions. I 've searched for them online and changed them a little bit. But it takes a lot of time to find these functions. there are a lot of instructions on jpg encoding on the Internet. The general process is the same. I haven't studied it in depth. I won't talk about it here. I followed the previous articles on

JMF capture USB camera

// Package com. redtroy; Import javax. Media. player;Import javax. Media. capturedeviceinfo;Import javax. Media. medialocator;Import javax. Swing .*;Import java. AWT .*;Import java. AWT. image .*;Import java. AWT. event .*;Import javax. Media. Control. framegrabbingcontrol;Import javax. Media. buffer;Import javax. Media. util. buffertoimage;Import javax. Media. format. videoformat;Import java. Io .*;Import com.sun.image.codec.jpeg .*;Import javax. Media. capturedevicemanager;Import javax. Media.

Android 4.0 USB Camera instance (2) Application Layer

android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageView;import android.widget.Toast;public class MainActivity extends Activity {private ImageView mImag;private int width = 640;private int height = 480;private String devname = "/dev/video3";private byte[] mdata;private Handler mHandler;private int numbuf = 0;private int index = 0;private int ret = 0;public Button mcap;private Bitmap bitmap;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.o

"Remote browsing and control of USB camera on Tiny6410 via web"---actual combat

Time is late, brief introduction to the topic HAFirst, IntroductionSoftware: Mjpeg‐stream is an open source software for turning files in Mjpeg format into streaming media output.Platform: Tiny6410Hardware: normal USB cameraSecond, the compilation, installation method not much to say, on-line written more good blog manyThird, the test effect on the PC (only with Firefox, IE, 360 browsers are not normal display)1> Address bar Input: Http://192.168.1.10

Unity3d Reading USB Camera

usingUnityengine;usingSystem.Collections; Public classc:monobehaviour{PrivateWebcamtexture cameratexture =Newwebcamtexture (); Private stringCameraname =""; Private BOOLIsplay =true; //Use this for initialization voidStart () {Startcoroutine (Test ()); } //Update is called once per frame voidUpdate () {} IEnumerator Test () {yield returnapplication.requestuserauthorization (Userauthorization.webcam); if(Application.hasuserauthorization (Userauthorization.webcam)) {webcamdevice[] devices

android4.0 USB Camera Instance (quad) CMOS

The previous article said under the USB camera UVC standard by the way CMOS do the same operation on the basic one to the previous HAL layer I have provided the relevant CMOS interfaceJniexport Jint Jnicall Java_com_dao_usbcam_fimcgzsd_yuvtorgbIf using the same processing image as UVC does not appear, so in a different way it is used in the ICOOL210 board test if using CMOS also need to modify some of the H

Extracting USB camera images from v4l2 in Linux (1)

I used the z301b USB camera of xingwei and ran it on the embedded board. I searched the information on the network for a long time and did it myself, but I still cannot, I don't have an arm base. I have been in touch with Linux for more than a week or two. Now I have no clue. Please write it down. After calculating it, I will try it again ~~ The following program can collect images, but only one image can b

Android4.0 USB Camera instance (4) CMOS

In the previous article, we talked about the usb camera uvc standard. By the way, we used CMOS to work together. First, we went to the previous article. In the HAL layer, I already provided the CMOS interface. JNIEXPORT jint JNICALL Java_com_dao_usbcam_Fimcgzsd_yuvtorgb If the image processing method is the same as that of UVC, the image cannot be displayed, so another method is used. Also, we use the IOT I

FFmpeg decoding USB camera MJPEG output

before the decoding, for example, USB Camera MJPEG Data decoding is the yuv422p format, H264 format data decoding is the yuv420p format, the decoded data stored in the AVFRAME structure to the cache, stored in the way: (Avframe) frame->data[0] Point y component, (avframe) frame->data[1] point U component, (avframe) frame->data[2] point to V component; (Avframe) frame->linesize[0], (avframe) Frame->linesize

Motion video capturing and remote web video monitoring based on USB camera

Http://www.geek-workshop.com/thread-3559-1-1.html I. First, make sure that the USB camera can be used,Copy and print bash code CD/Dev Ls|GrepVideo If the name of a device is video0 (the numbers of multiple cameras increase progressively ), 2. This solution uses motion, a simple tool. Let's install the bash code and copy and print it. sudo apt-get update sudo apt-get install motion 3. Co

android4.0 USB Camera Instance (v) JPG compression

Most of the time in the recent study of the USB camera by the way the JPG code is also written on the following most of the functions I found on the internet and then a little change can be used, but to find these functions cost a lot of time JPG code online There are many instructions the general process is the same I did not go into the study here. Next several camera

Ubuntu-linux system reads USB camera data (GSPCA)

*/IOCTL (FD, Vidioc_querycap,cap); printf ("Driver name:%s\n Card name:%s\n Bus info:%s\n\n", Cap.driver,cap.card,cap.bus_info); /*Formatting Images*/Fmt.type=v4l2_buf_type_video_capture; Fmt.fmt.pix.width= the; Fmt.fmt.pix.height= -; Fmt.fmt.pix.field=v4l2_field_interlaced; Fmt.fmt.pix.pixelformat=V4l2_pix_fmt_mjpeg; IOCTL (FD, VIDIOC_S_FMT,FMT); /*Request an image buffer*/Req.count=4; Req.type=v4l2_buf_type_video_capture; Req.memory=V4l2_memory_mmap; IOCTL (FD, VIDIOC_REQBUFS,req); Buffers= Ca

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