Size of the file getting changed after mirror effect in video using ffmpeg

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Size of the file getting changed after mirror effect in video using ffmpeg

mahek delawala
Hello Everyone,

I am using the below ffmpeg command to obtain the mirror effect in video
track. I did experiment on number of files but the size of the output file
after mirror effect in original file is getting changed. The size of new
output file is smaller compared to original file. What should I do so that
the size of the output file (with mirror effect) is same as the original
file. Please help me in solving the issue.

I am using below ffmpeg command for getting  mirror effect in recorded
video track.
*ffmpeg -i track1.mp4 -map 0:0 -vf "hflip" flipped_track1.mp4*

Size of track1.mp4 : 307 MB
Size of flipped_track1.mp4 : 61 MB
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Re: Size of the file getting changed after mirror effect in video using ffmpeg

Carl Zwanzig
On 6/10/2018 9:20 AM, mahek delawala wrote:
> I am using the below ffmpeg command to obtain the mirror effect in video
> track.

> I am using below ffmpeg command for getting  mirror effect in recorded
> video track.
> *ffmpeg -i track1.mp4 -map 0:0 -vf "hflip" flipped_track1.mp4*

You -really- need to include the complete output of the ffmpeg command for
something like this.

> Size of track1.mp4 : 307 MB
> Size of flipped_track1.mp4 : 61 MB

It's entirely possible that the default encoder settings are massively
different than the original, or that some other streams were removed, but
without knowing the info about the original, it's all guesswork.

z!
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