The "real-time buffer too full" error only appears when the total CPU usage (together with other applications) goes up to almost 100%. I use configuration: Windows 10 IoT, Intel Celeron N3350E (with Intel HD Graphics).įfmpeg -f dshow -i video="USB Video":audio="USB Digital Audio" -c:v libx264 -crf 30 -preset ultrafast out.mp4ĬPU usage (by FFmpeg): 60-80%, GPU usage: 0
Ffvideoner Asks: FFmpeg: h264_qsv slower than libx264 (real-time buffer too full)
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