Changes between Version 7 and Version 8 of How to speed up / slow down a video


Ignore:
Timestamp:
Sep 20, 2013, 10:33:20 PM (6 years ago)
Author:
rogerdpack
Comment:

make windows friendlier

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  • How to speed up / slow down a video

    v7 v8  
    55To speed up your video, you can type:
    66{{{
    7 ffmpeg -i input.mkv -filter:v 'setpts=0.5*PTS' output.mkv
     7ffmpeg -i input.mkv -filter:v "setpts=0.5*PTS" output.mkv
    88}}}
    99
     
    1111
    1212{{{
    13 ffmpeg -i input.mkv -r 16 -filter:v 'setpts=0.125*PTS' -an output.mkv
     13ffmpeg -i input.mkv -r 16 -filter:v "setpts=0.125*PTS" -an output.mkv
    1414}}}
    1515
     
    1717To slow down your video, you can type:
    1818{{{
    19 ffmpeg -i input.mkv -filter:v 'setpts=2.0*PTS' output.mkv
     19ffmpeg -i input.mkv -filter:v "setpts=2.0*PTS" output.mkv
    2020}}}
    2121
     
    2525
    2626{{{
    27 ffmpeg -i input.mkv -filter:a 'atempo=2.0' -vn output.mkv
     27ffmpeg -i input.mkv -filter:a "atempo=2.0" -vn output.mkv
    2828}}}
    2929
     
    3131
    3232{{{
    33 ffmpeg -i input.mkv -filter:a 'atempo=2.0,atempo=2.0' -vn output.mkv
     33ffmpeg -i input.mkv -filter:a "atempo=2.0,atempo=2.0" -vn output.mkv
    3434}}}
    3535
     
    3737
    3838{{{
    39 ffmpeg -i input.mkv -filter_complex '[0:v]setpts=0.5*PTS[v];[0:a]atempo=2.0[a]' -map '[v]' -map '[a]' output.mkv
     39ffmpeg -i input.mkv -filter_complex "[0:v]setpts=0.5*PTS[v];[0:a]atempo=2.0[a]" -map "[v]" -map "[a]" output.mkv
    4040}}}