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Duplicated keyframe

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alejandro alves
Duplicated keyframe
on Apr 27, 2011 at 9:19:01 am

Hello,
After changing the bitrate of a video with the two pass I get a duplitace keyframe...I get two 0 timestamps...
The commands that I use is:


ffmpeg -i $1 -an -pass 1 -passlogfile $2 -vcodec libx264 -vpre slow_firstpass -b 120000 -threads 0 $3 -v 0 2>&1


ffmpeg -i $1 -acodec libfaac -ab 128k -pass 2 -passlogfile $2 -vcodec libx264 -vpre slow -b 120000 -threads 0 -y $3 -v 0 2>&1


What could I do to erase this duplicate


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Michael Rampe
Re: Duplicated keyframe
on May 5, 2011 at 12:33:39 am

[alejandro alves] "After changing the bitrate of a video with the two pass I get a duplitace keyframe...I get two 0 timestamps...
"


Can you post a sample of the terminal output showing this?

[alejandro alves] "ffmpeg -i $1 -an -pass 1 -passlogfile $2 -vcodec libx264 -vpre slow_firstpass -b 120000 -threads 0 $3 -v 0 2>&1
"


You shouldn't need the passlogfile when using x264 as it generates one itself. Maybe try to remove this.....

Michael


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