all repos — mgba @ e9c393b8767aa0656359ffe5df43777d47ed31b2

mGBA Game Boy Advance Emulator

src/platform/qt/VideoDumper.cpp (view raw)

 1/* Copyright (c) 2013-2017 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#include "VideoDumper.h"
 7
 8#include <QImage>
 9
10using namespace QGBA;
11
12VideoDumper::VideoDumper(QObject* parent)
13	: QAbstractVideoSurface(parent)
14{
15}
16
17bool VideoDumper::present(const QVideoFrame& frame) {
18	QVideoFrame mappedFrame(frame);
19	if (!mappedFrame.map(QAbstractVideoBuffer::ReadOnly)) {
20		return false;
21	}
22	QImage::Format format = QVideoFrame::imageFormatFromPixelFormat(mappedFrame.pixelFormat());
23	uchar* bits = mappedFrame.bits();
24	QImage image(bits, mappedFrame.width(), mappedFrame.height(), mappedFrame.bytesPerLine(), format);
25	image = image.copy(); // Create a deep copy of the bits
26	mappedFrame.unmap();
27	emit imageAvailable(image);
28	return true;
29}
30
31QList<QVideoFrame::PixelFormat> VideoDumper::supportedPixelFormats(QAbstractVideoBuffer::HandleType) const {
32	QList<QVideoFrame::PixelFormat> list;
33	list.append(QVideoFrame::Format_RGB32);
34	list.append(QVideoFrame::Format_ARGB32);
35	list.append(QVideoFrame::Format_RGB24);
36	list.append(QVideoFrame::Format_ARGB32_Premultiplied);
37	list.append(QVideoFrame::Format_RGB565);
38	list.append(QVideoFrame::Format_RGB555);
39	return list;
40}