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| author | Val Doroshchuk <valentyn.doroshchuk@qt.io> | 2017-10-18 16:17:44 +0200 |
|---|---|---|
| committer | VaL Doroshchuk <valentyn.doroshchuk@qt.io> | 2017-12-14 10:51:17 +0000 |
| commit | 5629823b05ca7d24924ac879b5a0469a3cb03e78 (patch) | |
| tree | 4972da3c8663983b3f5c98a869299f922e70aee3 | |
| parent | b69259b65707acc9fc3c0818f6affe53938cebc3 (diff) | |
DirectShow: Add initialization of com library to service plugin
In case when QCoreApplication is used
the COM library was not initialized on the calling thread before the COM
library calls were made.
QApplication initializes it by calling OleInitialize().
Task-number: QTBUG-59320
Change-Id: I50a71b1bcc8a63f5a8ffd22c5d044f9c56de15f9
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
Reviewed-by: Christian Stromme <christian.stromme@qt.io>
| -rw-r--r-- | src/plugins/directshow/dsserviceplugin.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/plugins/directshow/dsserviceplugin.cpp b/src/plugins/directshow/dsserviceplugin.cpp index 51be7e500..cb4f0cdf9 100644 --- a/src/plugins/directshow/dsserviceplugin.cpp +++ b/src/plugins/directshow/dsserviceplugin.cpp @@ -123,7 +123,9 @@ QMediaServiceProviderHint::Features DSServicePlugin::supportedFeatures( QByteArray DSServicePlugin::defaultDevice(const QByteArray &service) const { if (service == Q_MEDIASERVICE_CAMERA) { + addRefCount(); const QList<DSVideoDeviceInfo> &devs = DSVideoDeviceControl::availableDevices(); + releaseRefCount(); if (!devs.isEmpty()) return devs.first().first; } @@ -135,7 +137,9 @@ QList<QByteArray> DSServicePlugin::devices(const QByteArray &service) const QList<QByteArray> result; if (service == Q_MEDIASERVICE_CAMERA) { + addRefCount(); const QList<DSVideoDeviceInfo> &devs = DSVideoDeviceControl::availableDevices(); + releaseRefCount(); for (const DSVideoDeviceInfo &info : devs) result.append(info.first); } @@ -146,7 +150,9 @@ QList<QByteArray> DSServicePlugin::devices(const QByteArray &service) const QString DSServicePlugin::deviceDescription(const QByteArray &service, const QByteArray &device) { if (service == Q_MEDIASERVICE_CAMERA) { + addRefCount(); const QList<DSVideoDeviceInfo> &devs = DSVideoDeviceControl::availableDevices(); + releaseRefCount(); for (const DSVideoDeviceInfo &info : devs) { if (info.first == device) return info.second; |