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Create a test video file - SMPTE HD Bars with burn-in timecode and 1kHz sound
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| @echo off | |
| :: Set duration in seconds | |
| set duration=615 | |
| :: Note - this outputs 720p 59.94fps drop-frame sample | |
| ffmpeg.exe ^ | |
| -f lavfi -i "smptebars=duration=%duration%:size=1280x720:rate=60000/1001" ^ | |
| -f lavfi -i "sine=frequency=1000:sample_rate=48000:duration=%duration%" ^ | |
| -vf drawtext="fontfile=consola.ttf:\ timecode='00\:00\:00\;00':rate=60000/1001:fontsize=64:fontcolor='white':\ boxcolor=0x00000088:box=1:boxborderw=5:x=20:y=20" ^ | |
| -c:v mpeg2video -b:v 6000k ^ | |
| -c:a libvo_aacenc -b:a 64k ^ | |
| -y ^ | |
| smpte_bars_720.ts |
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See https://trac.ffmpeg.org/wiki/FilteringGuide for pieces of it