![]() If you have a slower CPU or a CPU with two or fewer cores, sometimes using "superfast" and "ultrafast" are recommended in order to further reduce CPU usage, though at the cost of quality. ![]() Generally, the best setting is "veryfast", as it arguable gives the best tradeoff between CPU usage and quality. Settings this to a slower/lower value means the encoder will use more CPU to try to improve quality, setting this to a faster/higher will cut certain quality features in order to reduce CPU usage. ![]() This setting determines how much CPU you want the video encoder (selected in your encoding settings) to dedicate for encoding. x264 CPU Preset / Quicksync Preset / Nvenc Preset This setting completely de-activates the encoder while a preview is running to lower the cpu consumption.Īctivates the use of several modifier keys to be used as hotkeys. Lowering the value can lead to audio and synchronisation problems. Only change this value if you know what you are doing. Sets the amount of milliseconds the scene is buffered before being sent to the encoder. As encoding can consume a lot of CPU, setting this to say "above normal" can sometimes be useful to ensure capturing and encoding is done in a more timely fashion. There's almost no need to ever turn this off. This will use multiple threads for color space conversion, maximizing benefit from multi-core CPUs. You can very easily end up with a bad quality stream, throughput problems or excessive CPU usage by changing these settings. On Macs with an Intel processor, VideoToolbox is not suitable for streaming to services that require a constant bitrate (CBR) stream.Changing advanced options should never be done unless you fully understand what you are doing.For Macs with multiple GPUs, the choice of GPU is determined by VideoToolbox and cannot be overridden.VideoToolbox uses the system's GPU, regardless of brand.Please read the AMF plugin documentation for compatible GPUs as well as the troubleshooting guide for issues.Īpple's VideoToolbox is supported on macOS.These are usually provided by your manufacturer but may also be found at the Intel Download Center.ĪMD's Advanced Media Framework encoder is supported on Windows and Linux. QSV can be unstable on Windows 7 and may require workarounds to enable it.Due to low quality of early iterations of QSV, Intel Core-i-CPU 4xxx (Haswell) or newer is recommended.You will need an Intel HD Graphics GPU on Intel Core-i-CPU 2xxx (Sandy Bridge) or newer.Intel's Quick Sync Video encoder is supported on Windows and Linux. Make sure you have the latest drivers for your GPU. Note: GTX 1650 rev 1 contains 5th generation NVENC.This includes the GTX 1650 rev 2 and higher.For best results, use a GPU with 6th generation NVENC (Turing). ![]()
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