atomicparsley | lightweight command line program for reading , parsing
kandi X-RAY | atomicparsley Summary
kandi X-RAY | atomicparsley Summary
AtomicParsley is a lightweight command line program for reading, parsing and setting metadata into MPEG-4 files, in particular, iTunes-style metadata.
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QUESTION
I want to add artwork to my MP4 file. How do I do this successfully / without errors? I've tried these methods with numerous MP4 files, none worked. If you would like to replicate the errors / bugs, here are the sample files I've used for this question.
I've tried the following:
ffmpeg -i sample.mp4 -i sample.png -map 0 -map 1 -c copy -disposition:v:0 attached_pic sample_w_artwork.mp4
as stated by Lukas
with this error:
...ANSWER
Answered 2020-May-06 at 23:03In the Codec Tweak Tool under Miscellaneous > Thumbnails the checkbox for .mp4 was unchecked. After checking it and saving the settings it finally showed the thumbnail.
The Tweak Tool is installed with K-Lite Codec Pack. There are different editions available, I use the Standard edition so I can't talk for the other ones.
Credits for finding the solution: Furty from the same (copied) thread on Super User in a comment
QUESTION
So I've built a picture and video partial upload system that seemed to work fine UNTIL we either tried to compress a video or the user tries to play a video. I discovered that writing a video's bytes was not so simple as appending bytes... I'm now (slightly) familiar with concepts such as atoms (free, mov, mdat, uuid, etc) and would like to know why and how a video, which is just a collection of bytes appended to a new file, doesn't recognize that the atoms are still present even though all the bytes are being written.
Anyway here is some source code:
Server Side we have a partial upload object:
...ANSWER
Answered 2020-Jan-30 at 16:22So I found the problem which was an error in the code. When bytes have their from and to values, you don't need to account for the last byte being written, you just continue off the same number. So the following was correct:
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