Writing an MP4 Muxer for Fun and Profit
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Writing an MP4 Muxer for Fun and Profit
1–10 of 31 posts
Re: Writing an MP4 Muxer for Fun and Profit
#2Very cute easter egg. Moof is what dogcows say: http://clarus.chez-alice.fr/history.php
Re: Writing an MP4 Muxer for Fun and Profit
#3I have 20 years or professional experience and my conclusion, if someone asked, what IT boils down to: pain.
The pain is what filters who can succeed and who fail. Can you endure hunting a bug for 7 hours in your chair? Can you fix problem after problem to get a system running? Everything that can fail, will fail, and you have to deal with it.
Re: Writing an MP4 Muxer for Fun and Profit
#4Having recently written my own fragmented-MP4 remuxing library, I felt this pain too, and my soon-to-be-published writeup has very similar things to say about the ISO's paywalling practices.
I think one of the hardest parts of ISO-BMFF, aside from spec availability, is that it's pretty hard to implement "cleanly", making existing code confusing to use as reference. (My own implementation is certainly not clean either)
Re: Writing an MP4 Muxer for Fun and Profit
#5MP4 has been able to have multiple video streams for quite some time. One of the very first advanced MP4 authoring tools I saw in the early 00s allowed for this, and we used it to make a few advanced files to demo the "new" MP4 format. Much like multi-angle DVDs, this was a niche feature that did not gain very much attraction. I could see why someone not around at that time might think this is a new feature, but it's not
Re: Writing an MP4 Muxer for Fun and Profit
#6"The new MP4 output now also supports multiple video tracks" MP4 has been able to have multiple video streams for quite some time. One of the very first advanced MP4 authoring tools I saw in the early 00s allowed for this, and we used it to make a few advanced files to demo the "new" MP4 format. Much like multi-angle DVDs, this was a niche feature that did not gain very much attraction. I could see why someone not ar…
Re: Writing an MP4 Muxer for Fun and Profit
#7> It kind of hurts that several days of work and research can be summed up in a couple paragraphs, but that's what the "pain" part in the subtitle is for. Having recently written my own fragmented-MP4 remuxing library, I felt this pain too, and my soon-to-be-published writeup has very similar things to say about the ISO's paywalling practices. I think one of the hardest parts of ISO-BMFF, aside from spec availability…
Re: Writing an MP4 Muxer for Fun and Profit
#8> It kind of hurts that several days of work and research can be summed up in a couple paragraphs, but that's what the "pain" part in the subtitle is for. Having recently written my own fragmented-MP4 remuxing library, I felt this pain too, and my soon-to-be-published writeup has very similar things to say about the ISO's paywalling practices. I think one of the hardest parts of ISO-BMFF, aside from spec availability…
I feel zero shame for torrenting ISO standards PDFs.
Re: Writing an MP4 Muxer for Fun and Profit
#9> Except there is no profit, only pain I have 20 years or professional experience and my conclusion, if someone asked, what IT boils down to: pain. The pain is what filters who can succeed and who fail. Can you endure hunting a bug for 7 hours in your chair? Can you fix problem after problem to get a system running? Everything that can fail, will fail, and you have to deal with it.
Re: Writing an MP4 Muxer for Fun and Profit
#10> moof (Movie Fragment Box) Very cute easter egg. Moof is what dogcows say: http://clarus.chez-alice.fr/history.php