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/* Copyright (c) 2012 Patrick Ruoff
* Copyright (c) 2015 Stanislaw Halik <sthalik@misaki.pl>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* 20130312, WVR: Add 7 lines to resizeGL after resize_frame. This should lower CPU-load.
*/
#include "pt_video_widget.h"
#include <opencv2/imgproc.hpp>
void PTVideoWidget::update_image(const cv::Mat& frame)
{
QMutexLocker foo(&mtx);
if (!freshp)
{
if (_frame.cols != frame.cols || _frame.rows != frame.rows)
{
_frame = cv::Mat(frame.rows, frame.cols, CV_8U);
_frame2 = cv::Mat(frame.rows, frame.cols, CV_8U);
}
frame.copyTo(_frame);
freshp = true;
}
}
void PTVideoWidget::update_and_repaint()
{
QMutexLocker foo(&mtx);
if (_frame.empty() || !freshp)
return;
cv::cvtColor(_frame, _frame2, cv::COLOR_RGB2BGR);
if (_frame3.cols != width() || _frame3.rows != height())
_frame3 = cv::Mat(height(), width(), CV_8U);
cv::resize(_frame2, _frame3, cv::Size(width(), height()), 0, 0, cv::INTER_NEAREST);
texture = QImage((const unsigned char*) _frame2.data, _frame2.cols, _frame2.rows, QImage::Format_RGB888);
freshp = false;
update();
}
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