[FFmpeg-user] (no subject)

[owen s]

I am running this command

ffmpeg-git -y \
-vaapi_device /dev/dri/renderD128 \
-framerate 60 -i ./image.jpg \
-stream_loop -1 -i ./audio.mp3 \
-map 0:v \
-c:v h264_vaapi \
-vf
'crop=2560:1440:0:0,format=nv12|vaapi,hwupload,loop=loop=-1:size=1:start=0,hwdownload,format=yuv420p'
\
-rc_mode 2 -b:v 20M \
-c:v libx264 \
-map 1:a \
-c:a libfdk_aac -b:a 128k -ar 44100 -ac 2 \
-af "dynaudnorm=f=150:g=15" \
-f flv /dev/null

the encoding speed is very fast, typically 1.78x

frame=2512127 fps=107 q=0.0 size=56457493kB time=11:37:47.36
bitrate=11046.8kbits/s speed=1.79x

Is there any way to limit this speed to a standard 1x?