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Haihao Xiang authored
According to the MSDK documation[1], MFXCloneSession is a light-weight equivalent of MFXJoinSession after MFXInit, so MFXJoinSession call isn't needed in the msdk plugin, otherwise the cloned session is joined to the parent session twice, and we will get a MFX error when closing the parent session example pipeline: gst-launch-1.0 videotestsrc num-buffers=100 ! \ video/x-raw,format=NV12,width=352,height=288 ! msdkh264enc ! msdkh264dec ! \ msdkh264enc ! fakesink Error message: 0:00:00.211948518 21733 0x5586ee741c60 ERROR msdk msdk.c:148:msdk_close_session: Close failed (undefined behavior) [1]: https://software.intel.com/en-us/node/628429#MFXCloneSession
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