Vera S05 Libvpx Best

ffmpeg -i input.mkv -c:v libvpx-vp9 \ -cpu-used 5 \ -deadline realtime \ -crf 35 \ -b:v 500k \ -threads 4 -row-mt 1 -tile-columns 1 \ -g 60 -keyint_min 60 \ -f webm output.webm 720p @ 15-20 fps; 480p @ 30 fps. Quality will show artifacts, but motion remains smooth. Profile 3: Best Efficiency (The "Sweet Spot") Use case: Encoding a playlist or YouTube upload on a budget.

-c:v libvpx -cpu-used 4 -crf 10 -b:v 1M VP8 at crf 10 looks excellent and runs 3x faster than VP9 on the same chip. Leverage the S05’s CedarX decoder for input. Use: vera s05 libvpx best

~0.2 fps for 1080p. A 2-hour movie will take 3+ days. This is truly "set and forget." Profile 2: Best Speed (Near-Real-Time) Use case: Live streaming a presentation or gameplay from a camera feed. ffmpeg -i input

export FFMPEG_THREADS=4 export GOMP_CPU_AFFINITY=0-3 Then force -bufsize to a low value (e.g., -bufsize 2000k ) to prevent OOM (Out of Memory) crashes. For older Vera S05 kernels, libvpx (VP8) is significantly faster. If VP9 is too heavy, fall back to VP8 with: -c:v libvpx -cpu-used 4 -crf 10 -b:v 1M

ffmpeg -i input.mkv -c:v libvpx-vp9 \ -cpu-used 2 \ -crf 30 \ -b:v 900k \ -maxrate 1800k -bufsize 3600k \ -threads 4 -row-mt 1 -tile-columns 2 \ -g 120 -tile-rows 0 \ -pass 1 -f webm /dev/null