video proxy creating with ffmpeg (I want a proper sfvp0 Vegas file)

Qbrick wrote on 5/10/2025, 4:05 AM

ffmpeg -i input.mp4 -c:v mpeg2video `
-brand mp42 `
-vf "scale=1280:720,select=gte(n\, 2),tpad=start=2,fps=fps=source_fps" `
-profile:v main -level:v 4.0 `
-colorspace:v "bt709" `
-color_primaries:v "bt709" `
-color_trc:v "bt709" `
-color_range:v "tv" `
-qscale:v 5 `
-video_format component -g 2 `
-an `
-f mp4 input.mp4.sfvp0

Hi all,

is this ffmpeg command (via Powershell) correct to produce a proper Vegas proxy file?

I need to use ffmpeg and FFAStrans to batching creation...

ps:

reference

Thanks!

Comments

Qbrick wrote on 5/10/2025, 4:36 AM

ffmpeg -i video.mp4 `
-c:v mpeg2video `
-brand mp42 `
-vf "scale=1280:720,select=gte(n\, 2),tpad=start=2,fps=fps=source_fps" `
-maxrate 35000k `
-bufsize 35000k `
-profile:v main `
-level:v 4.0 `
-colorspace:v "bt709" `
-color_primaries:v "bt709" `
-color_trc:v "bt709" `
-color_range:v "tv" `
-qscale:v 5 `
-video_format component `
-g 2 `
-an `
-f mp4 video.mp4.sfvp0

updated script