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Qt: Improve camera compatibility

This commit is contained in:
Vicki Pfau 2017-07-28 17:45:18 -07:00
parent d1db97cf0c
commit 6ca3e9940d
2 changed files with 30 additions and 2 deletions
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6
src/platform/qt/InputController.cpp
View File

@ -9,6 +9,7 @@
#include "GamepadAxisEvent.h"
#include "GamepadButtonEvent.h"
#include "InputProfile.h"
#include "LogController.h"
#include <QApplication>
#include <QTimer>
@ -742,13 +743,18 @@ void InputController::setupCam() {
settings.setResolution(size);
auto cameraFormats = m_camera->supportedViewfinderPixelFormats(settings);
auto goodFormats = m_videoDumper.supportedPixelFormats();
bool goodFormatFound = false;
for (auto& goodFormat : goodFormats) {
if (cameraFormats.contains(goodFormat)) {
settings.setPixelFormat(goodFormat);
format = goodFormat;
goodFormatFound = true;
break;
}
}
if (!goodFormatFound) {
LOG(QT, WARN) << "Could not find a valid camera format!";
}
m_camera->setViewfinderSettings(settings);
#endif
m_camera->setCaptureMode(QCamera::CaptureVideo);

26
src/platform/qt/VideoDumper.cpp
View File

@ -19,10 +19,26 @@ bool VideoDumper::present(const QVideoFrame& frame) {
if (!mappedFrame.map(QAbstractVideoBuffer::ReadOnly)) {
return false;
}
QImage::Format format = QVideoFrame::imageFormatFromPixelFormat(mappedFrame.pixelFormat());
QVideoFrame::PixelFormat vFormat = mappedFrame.pixelFormat();
QImage::Format format = QVideoFrame::imageFormatFromPixelFormat(vFormat);
bool swap = false;
if (format == QImage::Format_Invalid) {
vFormat = static_cast<QVideoFrame::PixelFormat>(vFormat - QVideoFrame::Format_BGRA32 + QVideoFrame::Format_ARGB32);
format = QVideoFrame::imageFormatFromPixelFormat(vFormat);
if (format == QImage::Format_ARGB32) {
format = QImage::Format_RGBA8888;
} else if (format == QImage::Format_ARGB32_Premultiplied) {
format = QImage::Format_RGBA8888_Premultiplied;
}
swap = true;
}
uchar* bits = mappedFrame.bits();
QImage image(bits, mappedFrame.width(), mappedFrame.height(), mappedFrame.bytesPerLine(), format);
image = image.copy(); // Create a deep copy of the bits
if (swap) {
image = image.rgbSwapped();
} else {
image = image.copy(); // Create a deep copy of the bits
}
mappedFrame.unmap();
emit imageAvailable(image);
return true;
@ -36,5 +52,11 @@ QList<QVideoFrame::PixelFormat> VideoDumper::supportedPixelFormats(QAbstractVide
list.append(QVideoFrame::Format_ARGB32_Premultiplied);
list.append(QVideoFrame::Format_RGB565);
list.append(QVideoFrame::Format_RGB555);
list.append(QVideoFrame::Format_BGR32);
list.append(QVideoFrame::Format_BGRA32);
list.append(QVideoFrame::Format_BGR24);
list.append(QVideoFrame::Format_BGRA32_Premultiplied);
list.append(QVideoFrame::Format_BGR565);
list.append(QVideoFrame::Format_BGR555);
return list;
}