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  1. Member
    Join Date
    May 2001
    Location
    USA
    Search Comp PM
    I have an AVC file I'm trying to run through tsMuxeR for the sole purpose of changing frame rate. Each time I try (even with different but equally recorded files) I get the -2 error code. Any suggestions would be much appreciated.


    tsMuxeR output:
    Network Optix tsMuxeR. Version 2.6.12. www.networkoptix.com
    Decoding H264 stream (track 1): Profile: High@4.0 Resolution: 1280:720p Frame rate: 59.9401
    H.264 manual defined fps doesn't equal to stream fps. Change H.264 fps from 59.9401 to 29.97
    Decoding AAC stream (track 2): Sample Rate: 48KHz Channels: 2
    Errors:
    Reading buffer overflow. Possible container streams are not syncronized. Please, verify stream fps.
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  2. Why are you trying to change the frame rate ? What is the background context ?

    If the original was in sync, you'll go out of sync changing from 59.94 => 29.97 , because you'll play at half speed and double the duration, but the audio will be full duration
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  3. Member
    Join Date
    May 2001
    Location
    USA
    Search Comp PM
    Appreciate the reply!

    I'm fearing you are correct and I was under misapprehension as to expected results.

    What I have is content recorded from a set-top box (via Colossus) and was hoping to reduce the file size of the 720p content by way of simple alternate frame discards. For some odd reason I was expecting every other frame was merely duplication -- how that thought would have made sense is a mystery. Was probably equating it to an actual re-encoding where frame rate change can be accomplished successfully. Since tsMuxeR stopped after a short run there was a file fragment and it's clear to see your advising of half-speed playback is quite evident. ShowBiz looks to offer the option of reducing frame rate at point of capture but I can't seem to get it to output a reduced frame rate.

    Not a biggie as I don't record much progressive content so, while I'll still tinker with ShowBiz to see if I can coax a reduced frame rate, I'll be happy with full 720p.
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