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added the possiblity to choose which camera to use

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This commit is contained in:
csoler 2021-05-27 21:21:26 +02:00
parent 7b5be347bf
commit b78f7f11de
4 changed files with 116 additions and 4 deletions
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14
plugins/VOIP/gui/QVideoDevice.cpp
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@ -28,6 +28,8 @@
#include "QVideoDevice.h"
#include "VideoProcessor.h"
// #define DEBUG_QVIDEODEVICE 1
QVideoInputDevice::QVideoInputDevice(QWidget *parent)
:QObject(parent)
{
@ -54,6 +56,8 @@ bool QVideoInputDevice::stopped()
void QVideoInputDevice::stop()
{
_capture_device_info = QCameraInfo();
if(_timer != NULL)
{
_capture_device->stop();
@ -70,6 +74,8 @@ void QVideoInputDevice::stop()
_capture_device = NULL ;
_image_capture = NULL ;
}
if(_echo_output_device != NULL)
_echo_output_device->showFrameOff() ;
}
void QVideoInputDevice::getAvailableDevices(QList<QString>& device_desc)
{
@ -105,6 +111,7 @@ void QVideoInputDevice::start(const QString& description)
std::cerr << "No video camera available in this system!" << std::endl;
return ;
}
_capture_device_info = caminfo;
_capture_device = new QCamera(caminfo);
if(_capture_device->error() != QCamera::NoError)
@ -144,8 +151,9 @@ void QVideoInputDevice::start(const QString& description)
void QVideoInputDevice::errorHandling(CameraStatus status,QCamera::Error error)
{
#ifdef DEBUG_QVIDEODEVICE
std::cerr << "Received msg from camera capture: status=" << (int)status << " error=" << (int)error << std::endl;
#endif
if(status == CANNOT_INITIALIZE_CAMERA)
{
std::cerr << "Cannot initialize camera. Make sure to install package libqt5multimedia5-plugins, as this is a common cause for camera not being found." << std::endl;
@ -169,7 +177,9 @@ void QVideoInputDevice::grabFrame(int id,QVideoFrame frame)
reader.setScaledSize(QSize(640,480));
QImage image(reader.read());
#ifdef DEBUG_QVIDEODEVICE
std::cerr << "Frame " << id << ". Pixel format: " << frame.pixelFormat() << ". Size: " << image.size().width() << " x " << image.size().height() << std::endl; // if(frame.pixelFormat() != QVideoFrame::Format_Jpeg)
#endif
if(_video_processor != NULL)
{
@ -211,7 +221,9 @@ void QVideoOutputDevice::showFrameOff()
void QVideoOutputDevice::showFrame(const QImage& img)
{
#ifdef DEBUG_QVIDEODEVICE
std::cerr << "img.size = " << img.width() << " x " << img.height() << std::endl;
#endif
setPixmap(QPixmap::fromImage(img).scaled( QSize(height()*4/3,height()),Qt::IgnoreAspectRatio,Qt::SmoothTransformation)) ;
}