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Bug
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Resolution: Fixed
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P2: Important
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6.4.1
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None
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Android
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f18be9c59 (dev), 749d66608 (6.5), 4f3ed53de (6.4), 2a2bc0836 (tqtc/lts-6.2)
Declarative Camera is automatically activated/started when Camera is attached to CaptureSession. This is because from all the implementations of:
QPlatformMediaCaptureSession::setCamera(QPlatformCamera *camera)
..only Android platform version activates the camera automatically:
void QAndroidMediaCaptureSession::setCamera(QPlatformCamera *camera)
{
if (camera) {
m_captureSession->setCameraSession(m_cameraSession);
} else {
m_captureSession->setCameraSession(nullptr);
} QAndroidCamera *control = static_cast<QAndroidCamera *>(camera);
if (m_cameraControl == control)
return; if (m_cameraControl)
m_cameraControl->setCaptureSession(nullptr); m_cameraControl = control;
if (m_cameraControl) {
m_cameraControl->setCaptureSession(this);
m_cameraControl->setActive(true); // <- ?????!!!!!!
} emit cameraChanged();
}
This is now especially bad because it seems to be too early for latest Qt versions. It will start producing black VideoOutput and invalid frames for video sink listener.
- relates to
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- Closed
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- mentioned in
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| For Gerrit Dashboard: QTBUG-109415 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 452632,2 | Android: Prevent Camera set automatically active | dev | qt/qtmultimedia | Status: MERGED | +2 | 0 |
| 453257,2 | Android: Prevent Camera set automatically active | 6.5 | qt/qtmultimedia | Status: MERGED | +2 | 0 |
| 453318,2 | Android: Prevent Camera set automatically active | 6.4 | qt/qtmultimedia | Status: MERGED | +2 | 0 |
| 453324,3 | Android: Prevent Camera set automatically active | tqtc/lts-6.2 | qt/tqtc-qtmultimedia | Status: MERGED | +2 | 0 |