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Yep I think it's a different issue, the refresh rate is correctly changed but when it does that your Intel driver removed the device, I did see that a long time ago and added a hack to redetect audio device to be able to rebuild the DirectShow graph to gain again the audio device.

I need to look at the code but in fact, I need to reproduce it first to try to debug it.

So I will try to disable some code for you to try and see if it's better, the call for changing Refresh Rate is done in a thread so making it in main thread will maybe fix your issue and if yes then maybe I can try experiment code

<blockquote data-quote="Sebastiii" data-source="post: 1247265" data-attributes="member: 60104">Yep I think it's a different issue, the refresh rate is correctly changed but when it does that your Intel driver removed the device, I did see that a long time ago and added a hack to redetect audio device to be able to rebuild the DirectShow graph to gain again the audio device.I need to look at the code but in fact, I need to reproduce it first to try to debug it.So I will try to disable some code for you to try and see if it's better, the call for changing Refresh Rate is done in a thread so making it in main thread will maybe fix your issue <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /> and if yes then maybe I can try experiment code <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="Sebastiii, post: 1247265, member: 60104"] Yep I think it's a different issue, the refresh rate is correctly changed but when it does that your Intel driver removed the device, I did see that a long time ago and added a hack to redetect audio device to be able to rebuild the DirectShow graph to gain again the audio device. I need to look at the code but in fact, I need to reproduce it first to try to debug it. So I will try to disable some code for you to try and see if it's better, the call for changing Refresh Rate is done in a thread so making it in main thread will maybe fix your issue :) and if yes then maybe I can try experiment code :) [/QUOTE]