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qTox/src/video/netvideosource.cpp
2014-11-18 00:15:54 +01:00

65 lines
1.9 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 "netvideosource.h"
#include <QDebug>
#include <vpx/vpx_image.h>
NetVideoSource::NetVideoSource()
{
}
void NetVideoSource::pushFrame(VideoFrame frame)
{
emit frameAvailable(frame);
}
void NetVideoSource::pushVPXFrame(const vpx_image *image)
{
const int dw = image->d_w;
const int dh = image->d_h;
const int bpl = image->stride[VPX_PLANE_Y];
const int cxbpl = image->stride[VPX_PLANE_V];
VideoFrame frame;
frame.frameData.resize(dw * dh * 3); //YUV 24bit
frame.resolution = QSize(dw, dh);
frame.format = VideoFrame::YUV;
const uint8_t* yData = image->planes[VPX_PLANE_Y];
const uint8_t* uData = image->planes[VPX_PLANE_V];
const uint8_t* vData = image->planes[VPX_PLANE_U];
// convert from planar to packed
for (int y = 0; y < dh; ++y)
{
for (int x = 0; x < dw; ++x)
{
uint8_t Y = yData[x + y * bpl];
uint8_t U = uData[x/(1 << image->x_chroma_shift) + y/(1 << image->y_chroma_shift)*cxbpl];
uint8_t V = vData[x/(1 << image->x_chroma_shift) + y/(1 << image->y_chroma_shift)*cxbpl];
frame.frameData.data()[dw * 3 * y + x * 3 + 0] = Y;
frame.frameData.data()[dw * 3 * y + x * 3 + 1] = U;
frame.frameData.data()[dw * 3 * y + x * 3 + 2] = V;
}
}
pushFrame(frame);
}