I used to configure the encoding quality in Settings=>Encoding, by sliding the CRF setting. It worked fine and for my cheap camera 720p I used a CRF at around 30 - it was enough.
Now after upgrade to the new version 188.8.131.52 in the encoding setting I chose Intel (my PC is core i3-3240T). CPU usage dropped significantly to around 20%, and GPU usage is at around 8-15%. In the previous version no GPU was used, and CPU usage was at 40-70% (I have 2 sources). It is a huge improvement, good job guys!
However now the CRF setting seems to have no meaning? All files are recorded with extremely high bitrate of around 15-16Mbit/s rendering my files at around 140MByte per 1 minute of footage. I noticed this by accident, because now my library only has 3 or 4 days (I have set a library limit at 200GB), while it used to be 1 month back or so.
The camera quality is way below such bitrate requirements and I wish I could change it to a lower value, but not sure how? Is this a known issue with hardware accelarated encoding?