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see https://wiki.gpac.io/MP4Box/mp4box-dash-opts/ beginning :
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Hello,
Some of the mp4 files I created with mp4box are working problematically. It does not rewind back and forth. It does not play fast. When I combine the same mp4 file with ffmpeg, it plays smooth…
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Hello everyone. I get iPod video output with mp4box. There is more than one track of audio and subtitles in my video. My problem is that my iOS device starts playing on two sounds at the same time. (E…
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In a [discussion in the doom9 forum](https://forum.doom9.org/showthread.php?t=185367) people discovered that the MP4Box built by M-AB-S is not able to multiplex dts audio while one out of official GPA…
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Hello it's me again :)
I play the mp4 video I muxed with mp4box on lg tv webos. When I fast skip or skip to a certain part of the video while playing, the subtitles disappear.
After some researc…
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such as use mp4box.exe in powershell
```bash
mp4box -splits 2000000 filename.mp4
```
how can i do it with mp4box.js
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I was originally using vvenc and I just came across the uvg266 today and I am not familiar with the use of this encoder.
When using uvg266, if I choose to convert the original video file to YUV first…
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hello, What format is the audio data obtained in this way？
pcm? or?
if to merge with video buffer,need to transform aac or opus?
which audio formats does mp4box support?
thank you
```
this.…
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hi, I've passed a `webm` video file to `mp4box`, and nothing has happened. (I expect onError to be called.)
so I checked the source code and found that `onError` never be called.
It's this a bug ?…
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It would be nice to have muxing via MP4Box other than just FFmpeg and avconv, usage is simple using the "-add" option.