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Hi,    I have some mp4 videos, I plan to burn to dvd.  The audio tracks are very hissy, like fish frying.  Can Avidemux software filter the hiss out or play it down, so the audio will be clearer?
     
     I have another mp4 video with the audio very slightly out of sync with the picture.  Actually, it is a piece of old 1950's American tv I found on youtube and the audio clearly lags a shade after the picture.  It is not my pc or downloaders or video converters at fault here. The video is out of sync from source.  Can Avidimux fix it and make the audio faithful to the moving picture?

    Where can I find a full explicit tutorial guide; How to Use Avidemux?  Most of the video tutorials on youtube are poor when it comes to the nity-grity points.
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Main version 2.6 / Re: Can't crop/trim from exact point
« Last post by eumagga0x2a on June 22, 2017, 01:06:03 PM »
I don't understand what is said below "be more tolerant to timing error, allow 0.3 rather than 0.1 ". How to be more tolerant ? What does it mean ?

When saving a video in copy mode, Avidemux checks whether decoding timestamps of video frames follow in the right order and at proper intervals (if the check fails, the offending video frame gets dropped, resulting in grave video corruption). The code change made this check less strict, increasing the margin of error from 1/10 of the frame increment to 3/10.
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Main version 2.6 / Re: Can't crop/trim from exact point
« Last post by eumagga0x2a on June 22, 2017, 11:47:18 AM »
The presentation timestamp (pts) of the first frame must be greater than zero if the video contains B-frames. Videos consisting only of I- and P-frames usually start at zero or with a very small delay (decoding timestamps (dts) may not become negative).

Dropped last B-frames may actually belong to the next GOP (this is so called open GOP) and can't be decoded without the next intra. They must be dropped.

Total duration exceeding the pts of the last frame is basically necessary when appending another video (though it doesn't work smoothly ATM).

For more in-depth analysis of a particular case: please provide a sample with steps to reproduce.
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Main version 2.6 / Re: Can't crop/trim from exact point
« Last post by topinrouen on June 22, 2017, 10:45:39 AM »
This is an old, known bug, which is finally mostly understood (hurray!) and partially fixed by [editor] In copy mode, be more tolerant to timing error, allow 0.3 rather than 0.1 , that helps with dropped keyframes so it doesn't strike that often. We're at it currently.

AvideMux is a great software, but I also experienced some troubles when dealing whit cutting issues.
I cut on I Frames both at beginning (A) and at the end (B) without reencoding and save in a mkv file (cut.mkv).
When I open this cut.mkv with Avidemux to check, the final frames are sometimes dropped and the timing indication are
questionning. The file doen't begin et 0:0:00.00 and it seems longer (the end is not reachable).

I don't know how to fix it and I don't understand what is said below "be more tolerant to timing error, allow 0.3 rather than 0.1 ". How to be more tolerant ? What does it mean ?

Thanks for any help. I Think this is a very common issue
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Main version 2.6 / Re: 4K 60 fps h265
« Last post by AlinC on June 22, 2017, 10:44:24 AM »
Hey,

I tried with r170618 and mp4 muxer is not working.
MP4v2 is not working to.
MKV seems to be working fine on 2.6.21 version ( in r version to).
Thank you for now.
I hope the mp4 problem to be solved soon :)

Have a nice day.
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Main version 2.6 / Re: 4K 60 fps h265
« Last post by eumagga0x2a on June 22, 2017, 09:56:34 AM »
Quote
Code: [Select]
[adm_lavLogCallback] 08:03:31-105 [lavc] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 15001000 >= 15001000
[FF]Error writing video packet

For now, try a different muxer (MKV, MP4v2) which might be more tolerant to timing errors.
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Main version 2.6 / Re: 4K 60 fps h265
« Last post by dosdan on June 22, 2017, 08:22:35 AM »
I don't know what "latest win64 nightly" meens .


http://www.avidemux.org/nightly/win64/

The filenames include the YYMMDD date convention so "r170618" is the build from the night of 18 Jun 2017 incorporating all the fixes, some experimental, up until that point.

Dan.
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Main version 2.6 / Re: 4K 60 fps h265
« Last post by AlinC on June 22, 2017, 08:08:19 AM »
Yes i am trying to append the same video 4X .
I don't know what "latest win64 nightly" meens .
Anyway i attached the admlog.txt.
Thank you.

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Main version 2.6 / Re: 4K 60 fps h265
« Last post by eumagga0x2a on June 22, 2017, 07:50:00 AM »
I'm not sure I understand "I am trying to append the same video who has 20 min in one hour movie" correctly. Did you mean you append a video of 20 min duration 4x to itself?

Does it work with the latest win64 nightly? If not, please provide admlog.txt (compressed, if necessary) from the Avidemux session in question.
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Main version 2.6 / 4K 60 fps h265
« Last post by AlinC on June 22, 2017, 07:37:04 AM »
Hello,
I am trying to append the same video who has 20 min in one hour movie.
I am using h265 4k 60fps rendered from media encoder and i get this error (Too short | The video have been saved but seems to be incomplete | Failed |  File ***** was NOT saved corectly)
I tryed the same file but encoded 4K h264 60 fps and is working fine.
Is there any solution to this?
To render in media encoder 1 hour with those specification will take an eternity :(
I am using version 2.6.21

Thank you in advance,
Alin
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