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**Reported by ryanseghers on 2014-04-17 16:42 UTC**
I have a program that has multiple threads and each thread executes mp4box.exe at various times. Thus sometimes there are multiple mp4box.exe instan…
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This file, exported from Adobe Media Encoder uses a keyframe distance of 33. Therefore, every 33 samples should be a sync frame. ffprobe correctly lists the sync frames, but MP4Box.js does not.
h…
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The following video [mp4box_issue354.mp4](https://github.com/wide-video/cdn/blob/e50df004a5b8fdf6ffb4396f37e28ef3dbadd854/asset/0.0.0/mp4box_issue354.mp4) was recorded with Xiaomi phone and can be pla…
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See gpac issue, a new parameter to force `trun.version=1` on audio segments: https://github.com/gpac/gpac/issues/2586
`they should not complain, trun v1(trun.version=1) is only mandatory for video tr…
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矩阵信息：用作解码后的transform
其他信息
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When recording video with audio, the mic is ahead of the video, and it is getting worse every minute.
It is known, that the fps of Raspi-Camera and USB-Microphones usually don’t match.
So I wonder, …
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Hi
I have a problem with some videos with some codecs. I'm trying to use mp4box to check which codec doesn't work. But I don't understand how to do this.
My code:
```
var mp4boxfile = MP4B…
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Hello,
I have used Kvazaar to split a 360-degree video (YUV format) into 3x3 tiles and make a .hvc file. I then used the .hvc file to package within a container via `MP4Box $ MP4Box -add video_tiled.…
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Prechecking
Clipbucket requires following modules in order to work properly, we are performing some initial search to find modules. Click here for why we need these modules
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Hello
I try to add ContentRating tag to an mp4 file to be display on app TV (former Itunes)
But according to the mp4box the value is a Integer but Itunes seem to expect something like that: "ca-mov…