qt_multimedia_camera: fix image handling in Qt 5.15+ ... (#6231)
... In Qt 5.15+ the QImage will not accept non-natively handled pixel formats anymore. We can however use the newly added conversion method provided in `QVideoFrame` to convert it to `QImage` instead
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@ -19,25 +19,31 @@ namespace Camera {
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QList<QVideoFrame::PixelFormat> QtCameraSurface::supportedPixelFormats(
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[[maybe_unused]] QAbstractVideoBuffer::HandleType handleType) const {
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return QList<QVideoFrame::PixelFormat>()
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<< QVideoFrame::Format_ARGB32 << QVideoFrame::Format_ARGB32_Premultiplied
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<< QVideoFrame::Format_RGB32 << QVideoFrame::Format_RGB24 << QVideoFrame::Format_RGB565
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<< QVideoFrame::Format_RGB555 << QVideoFrame::Format_ARGB8565_Premultiplied
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<< QVideoFrame::Format_BGRA32 << QVideoFrame::Format_BGRA32_Premultiplied
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<< QVideoFrame::Format_BGR32 << QVideoFrame::Format_BGR24 << QVideoFrame::Format_BGR565
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<< QVideoFrame::Format_BGR555 << QVideoFrame::Format_BGRA5658_Premultiplied
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<< QVideoFrame::Format_AYUV444 << QVideoFrame::Format_AYUV444_Premultiplied
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<< QVideoFrame::Format_YUV444 << QVideoFrame::Format_YUV420P << QVideoFrame::Format_YV12
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<< QVideoFrame::Format_UYVY << QVideoFrame::Format_YUYV << QVideoFrame::Format_NV12
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<< QVideoFrame::Format_NV21 << QVideoFrame::Format_IMC1 << QVideoFrame::Format_IMC2
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<< QVideoFrame::Format_IMC3 << QVideoFrame::Format_IMC4 << QVideoFrame::Format_Y8
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<< QVideoFrame::Format_Y16 << QVideoFrame::Format_Jpeg << QVideoFrame::Format_CameraRaw
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<< QVideoFrame::Format_AdobeDng; // Supporting all the formats
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<< QVideoFrame::Format_RGB32 << QVideoFrame::Format_RGB24
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<< QVideoFrame::Format_ARGB32_Premultiplied << QVideoFrame::Format_ARGB32
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<< QVideoFrame::Format_RGB565 << QVideoFrame::Format_RGB555
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<< QVideoFrame::Format_Jpeg
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// the following formats are supported via Qt internal conversions
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<< QVideoFrame::Format_ARGB8565_Premultiplied << QVideoFrame::Format_BGRA32
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<< QVideoFrame::Format_BGRA32_Premultiplied << QVideoFrame::Format_BGR32
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<< QVideoFrame::Format_BGR24 << QVideoFrame::Format_BGR565 << QVideoFrame::Format_BGR555
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<< QVideoFrame::Format_AYUV444 << QVideoFrame::Format_YUV444
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<< QVideoFrame::Format_YUV420P << QVideoFrame::Format_YV12 << QVideoFrame::Format_UYVY
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<< QVideoFrame::Format_YUYV << QVideoFrame::Format_NV12
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<< QVideoFrame::Format_NV21; // Supporting all the QImage convertible formats, ordered by
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// QImage decoding performance
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}
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bool QtCameraSurface::present(const QVideoFrame& frame) {
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if (!frame.isValid()) {
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return false;
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}
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#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
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QMutexLocker locker(&mutex);
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// In Qt 5.15, the image is already flipped
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current_frame = frame.image();
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locker.unlock();
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#else
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QVideoFrame cloneFrame(frame);
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cloneFrame.map(QAbstractVideoBuffer::ReadOnly);
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const QImage image(cloneFrame.bits(), cloneFrame.width(), cloneFrame.height(),
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@ -46,6 +52,7 @@ bool QtCameraSurface::present(const QVideoFrame& frame) {
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current_frame = image.mirrored(true, true);
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locker.unlock();
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cloneFrame.unmap();
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#endif
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return true;
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}
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