The CameraThread class is used as a Thread class to parallelly capture video frames from camera. This class is in charge of manage the thread that grab images from camera.
More...
#include <CameraThread.h>
|
| | CameraThread (QObject *parent=0) |
| | When objects of this class are created, The time stamp counter is started and a buffer that will store captured frames is also created with a size of BUFFER_SIZE. More...
|
| |
|
void | stop () |
| | stop This method is used to stop capturing images from camera. Camera is disconnected.
|
| |
| void | setup (int device_ID) |
| | setup This method is for local camera. It prepares camera for connection and establish connection according to the device_ID. More...
|
| |
| void | setup (QString URL) |
| |
| cv::Mat & | get_frame (int &time_stamp) |
| | get_frame This method is used by external process that wants access to the next oldest available frame and removes the frame from buffer. More...
|
| |
| double | buffer_usage () |
| | Buffer occupation ratio method. More...
|
| |
The CameraThread class is used as a Thread class to parallelly capture video frames from camera. This class is in charge of manage the thread that grab images from camera.
| CameraThread::CameraThread |
( |
QObject * |
parent = 0 | ) |
|
|
explicit |
When objects of this class are created, The time stamp counter is started and a buffer that will store captured frames is also created with a size of BUFFER_SIZE.
- Parameters
-
| parent | QObject parent according to QObject tree organization. |
CameraThread:
| double CameraThread::buffer_usage |
( |
| ) |
|
Buffer occupation ratio method.
- Returns
- Floating point value between 0 and 1, This identify the buffer occupation ratio.
| cv::Mat & CameraThread::get_frame |
( |
int & |
time_stamp | ) |
|
get_frame This method is used by external process that wants access to the next oldest available frame and removes the frame from buffer.
- Parameters
-
| time_stamp | Integer variable where time capture identifyer of frame to be obtained will be stored. |
- Returns
- Next oldest frame available in buffer.
| void CameraThread::setup |
( |
int |
device_ID | ) |
|
setup This method is for local camera. It prepares camera for connection and establish connection according to the device_ID.
- Parameters
-
| device_ID | Local camera identifier. For linux this number corresponds to X from the device /dev/videoX. |
| void CameraThread::setup |
( |
QString |
URL | ) |
|
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
- Parameters
-
| URL | Remote camera identifier with credentials. This route has the following format: rtsp://[USER]:[PASSWORD]@[IP ADDRESS]:[PORT][/path/to/metadata.amp] |
The documentation for this class was generated from the following files:
1.8.11
