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  1. Neowinian kingmustard123's Avatar
    Join Date
    Nov 2007
    Location
    United Kingdom
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    I had an MP4 video file that I needed to split into two files without re-encoding.

    I used Avidemux:
    • Copy for Video/Audio Output
    • MPEG TS Muxer for Output
    I used MPEG TS Muxer because MPEG-PS Muxer showed [Mismatch] Video not compatible and [Muxer] Cannot open when trying to save a clip.

    Avidemux worked but the files are, of course, TS files.

    Can I convert them back to MP4 video files without re-encoding?
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  2. Originally Posted by kingmustard123 View Post
    I had an MP4 video file that I needed to split into two files without re-encoding.

    I used Avidemux:
    • Copy for Video/Audio Output
    • MPEG TS Muxer for Output
    I used MPEG TS Muxer because MPEG-PS Muxer showed [Mismatch] Video not compatible and [Muxer] Cannot open when trying to save a clip.

    Avidemux worked but the files are, of course, TS files.

    Can I convert them back to MP4 video files without re-encoding?
    Why were you trying to save the parts to PS or TS containers in the first place?

    Open the original whole video in Avidemux and select MP4 muxer as the ouput format. Select each part and save each one to an MP4 container.
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  3. Member
    Join Date
    Feb 2007
    Location
    Brazil
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    Simply use FFMPEG with the following command line:

    ffmpeg.exe -i input.ts -c copy -bsf:a aac_adtstoasc output.mp4

    The conversion occurs too quickly
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  4. Member Bernix's Avatar
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    Apr 2016
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    Europe
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    He needed to split the video (OP), so 2nd video should start on Keyframe (I) frame, when using copy video copy audio but of course, MP4 output format in this case.

    Bernix
    Video Avidemux, Mkvtoolnix, Subtitle edit, Vidcoder. Other software that I love :Animation: Opentoonz, Painting: Krita, Video capture: OBS studio, Video player: Potplayer, TV recording: VLC, NLE: KDEnlive
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  5. Originally Posted by Bernix View Post
    He needed to split the video (OP), so 2nd video should start on Keyframe (I) frame, when using copy video copy audio but of course, MP4 output format in this case.

    Bernix
    With open GOP this will not work - but why bother GOP anyway - just split file binary on two and later combine binary to single.
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