On 06-08-2018 02:38 AM, Nick Ludlam wrote:
Is there a likely culprit for this? Something where the audio is fractionally longer than the video, somehow?
This is likely it.
Try with -vsync vfr i.e.
ffmpeg -loglevel verbose \
-i
/Users/nickludlam/Work/data-ingest/Resolve_prores_422/s1-4-1_004_04_25mm_5.mov
\
-i
/Users/nickludlam/Work/data-ingest/Resolve_prores_422/s1-4-1_004_04_25mm_5.mov
\
-i
/Users/nickludlam/Work/data-ingest/Resolve_prores_422/s1-4-1_004_04_25mm_5.mov
\ -t 1 -f lavfi -i anullsrc=r=48000:cl=stereo -vsync vfr -pix_fmt
yuv420p -filter_complex "[0:v] [0:a] [1:v] [1:a] [2:v] [2:a]
concat=n=3:v=1:a=1[v][a]" -map "[v]" -map "[a]" -preset fast -c:v
libx264 -b:v 2000k -c:a aac -b:a 96k /tmp/output.mp4
Regards,
Gyan
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