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April 23, 2018 15:33
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Using Intel Quick Sync Video accelerator to capture realtime video with ShareX and ffmpeg in HEVC/H.265
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| -y -rtbufsize 256M -f dshow -framerate $fps$ -i video="screen-capture-recorder":audio="virtual-audio-capturer" -c:v hevc_qsv -load_plugin hevc_hw -global_quality 20 -look_ahead 1 -r $fps$ -tune zerolatency -movflags +faststart -c:a aac -strict -2 -ac 2 -b:a 256k "$output$" |
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Go to Task Settings -> Screen Recorder -> Screen Recording Options. Make sure you installed "screen-capture-recorder" and "virtual-audio-capturer". Enable "use custom commands" and put the content of ffmpeg_options.txt in the field below. After doing that you will be able to record at least 1080p@30fps with sound and without glitches. Notice that you need Intel Skylake or later processor to use QSV.
-global_quality can be changed from 1 (best) to 51 (poorest) to adjust video quality.