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FFMPEG output is black video, with audio

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Michael Gaynor
FFMPEG output is black video, with audio
on Nov 6, 2012 at 7:00:47 pm

Hi guys,
I installed ffmpeg on mac os x a couple weeks ago, and it was working great, then about a week ago, for no apparent reason, it began spitting out mp4's with no video, but with the correct duration and audio intact. I have since then tried multiple scripts in terminal, reinstalled ffmpeg, and even installed it on another machine to have the same results.
I know this is probably a user-error but I would really like to get this resolved! This is the most recent script in terminal that failed.

$ ffmpeg -i desktop/gm-outlook-v03.mov -c:v libx264 -crf 22 desktop/out.mp4

Also, this came up during the encode:

[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f99f981ae00] Stream #1: not enough frames to estimate rate; consider increasing probesize
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f99f981ae00] Stream #2: not enough frames to estimate rate; consider increasing probesize
Guessed Channel Layout for Input Stream #0.1 : stereo

But im not sure if that's relevant


Thanks for the help!


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