Spacerun lets you choose which video codec is used to stream your session. Different codecs trade off image quality, bandwidth usage, and device compatibility, so picking the right one can improve your streaming experience.
How to change it
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Open Spacerun and go to Settings.
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Select the Stream tab.
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Under Codec, choose the option that fits your setup:
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H.264 - best compatibility, works on almost any device.
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HEVC - better quality at the same bandwidth, needs a supported device/GPU.
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AV1 - best efficiency, requires a modern device with AV1 decoding support.
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Click here to jump straight to this setting.
Tips
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If your device doesn't support a codec, streaming will fail to start — switch back to H.264.
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Lower-bandwidth connections benefit most from H.265 or AV1.
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Changing the codec doesn't affect resolution or frame rate settings.