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Old 11-28-2017, 10:47 AM   #471
s9meNiNE
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Join Date: Apr 2016
Location: China
Posts: 5
Default How to make video preview as fast as possible?

Hi, sorry if this has been asked before, but I'm a sound designer and often have to make sounds synchronizing to videos of animation, but after a lot of experimentation with video resolutions, file sizes, and formats I still can't get the video preview to work lagless 100% of the time. Can anyone give me some pointers? Thanks in advance!

For reference, currently I'm using FFmpeg to downscale source footage to 320p 500kpbs with the H.264 codec, and I usually get 1~2 seconds of buffer time on playback or seeking (down from up to 10 secs with source videos).

P.S. If I use the "delay video playback" setting to allow the video to buffer, would I have to delay the audio by the same amount to sync properly? I've tried it with large values to experiment but can't tell if it's the setting working properly or just usual lag.
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