mirror of
https://github.com/qTox/qTox.git
synced 2024-03-22 14:00:36 +08:00
112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
/*
|
|
Copyright (C) 2014 by Project Tox <https://tox.im>
|
|
|
|
This file is part of qTox, a Qt-based graphical interface for Tox.
|
|
|
|
This program is libre software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the COPYING file for more details.
|
|
*/
|
|
|
|
#include "netcamview.h"
|
|
#include "core.h"
|
|
#include "widget.h"
|
|
#include <QApplication>
|
|
#include <QtConcurrent/QtConcurrent>
|
|
|
|
static inline void fromYCbCrToRGB(
|
|
uint8_t Y, uint8_t Cb, uint8_t Cr,
|
|
uint8_t& R, uint8_t& G, uint8_t& B)
|
|
{
|
|
int r = Y + ((1436 * (Cr - 128)) >> 10),
|
|
g = Y - ((354 * (Cb - 128) + 732 * (Cr - 128)) >> 10),
|
|
b = Y + ((1814 * (Cb - 128)) >> 10);
|
|
|
|
if(r < 0) {
|
|
r = 0;
|
|
} else if(r > 255) {
|
|
r = 255;
|
|
}
|
|
|
|
if(g < 0) {
|
|
g = 0;
|
|
} else if(g > 255) {
|
|
g = 255;
|
|
}
|
|
|
|
if(b < 0) {
|
|
b = 0;
|
|
} else if(b > 255) {
|
|
b = 255;
|
|
}
|
|
|
|
R = static_cast<uint8_t>(r);
|
|
G = static_cast<uint8_t>(g);
|
|
B = static_cast<uint8_t>(b);
|
|
}
|
|
|
|
|
|
NetCamView::NetCamView(QWidget* parent)
|
|
: QWidget(parent), displayLabel{new QLabel},
|
|
mainLayout{new QHBoxLayout()}
|
|
{
|
|
setLayout(mainLayout);
|
|
setWindowTitle("Tox video");
|
|
setMinimumSize(320,240);
|
|
|
|
displayLabel->setScaledContents(true);
|
|
|
|
mainLayout->addWidget(displayLabel);
|
|
}
|
|
|
|
void NetCamView::updateDisplay(vpx_image* frame)
|
|
{
|
|
if (!frame->w || !frame->h)
|
|
return;
|
|
|
|
Core* core = Widget::getInstance()->getCore();
|
|
|
|
core->increaseVideoBusyness();
|
|
|
|
QImage img = convert(*frame);
|
|
|
|
vpx_img_free(frame);
|
|
displayLabel->setPixmap(QPixmap::fromImage(img));
|
|
|
|
core->decreaseVideoBusyness();
|
|
}
|
|
|
|
QImage NetCamView::convert(vpx_image& frame)
|
|
{
|
|
int w = frame.d_w, h = frame.d_h;
|
|
int bpl = frame.stride[VPX_PLANE_Y], cxbpl = frame.stride[VPX_PLANE_V];
|
|
QImage img(w, h, QImage::Format_RGB32);
|
|
|
|
uint8_t* yData = frame.planes[VPX_PLANE_Y];
|
|
uint8_t* uData = frame.planes[VPX_PLANE_V];
|
|
uint8_t* vData = frame.planes[VPX_PLANE_U];
|
|
for (int i = 0; i< h; i++)
|
|
{
|
|
uint32_t* scanline = (uint32_t*)img.scanLine(i);
|
|
for (int j=0; j < w; j++)
|
|
{
|
|
uint8_t Y = yData[i*bpl + j];
|
|
uint8_t U = uData[i/2*cxbpl + j/2];
|
|
uint8_t V = vData[i/2*cxbpl + j/2];
|
|
|
|
uint8_t R, G, B;
|
|
fromYCbCrToRGB(Y, U, V, R, G, B);
|
|
|
|
scanline[j] = (0xFF<<24) + (R<<16) + (G<<8) + B;
|
|
}
|
|
}
|
|
|
|
return img;
|
|
}
|