Re: [FFmpeg-devel] Why the tag “DURATION” is a necessity in Matroska files?

2017-10-24 Thread 21naown
Hello, Simply to tell you that I no longer support my/this thread, especially because as Tobias said it is for an “aesthetic reason”. wm4 has mentioned “EBML elements”, there is no such element in the specifications (if I am not wrong): https://www.matroska.org/technical/specs/tagging/index

Re: [FFmpeg-devel] Why the tag “DURATION” is a necessity in Matroska files?

2017-06-18 Thread 21naown
Le 18/06/2017 à 00:57, Sasi Inguva a écrit : Hi, I was the one who made that change. We needed a way to obtain individual stream durations from a Matroska file without reading the entire file. I don't think it adds to the file size greatly (< 50 bytes) compared to the size of video and audio da

Re: [FFmpeg-devel] Why the tag “DURATION” is a necessity in Matroska files?

2017-06-16 Thread 21naown
Le 16/06/2017 à 16:04, wm4 a écrit : On Fri, 16 Jun 2017 15:43:51 +0200 21na...@gmail.com wrote: Le 16/06/2017 à 14:25, wm4 a écrit : On Fri, 16 Jun 2017 13:51:20 +0200 21na...@gmail.com wrote: Le 16/06/2017 à 12:55, wm4 a écrit : On Fri, 16 Jun 2017 02:32:10 +0200 21na...@gmail.com wrote

Re: [FFmpeg-devel] Why the tag “DURATION” is a necessity in Matroska files?

2017-06-16 Thread 21naown
Le 16/06/2017 à 14:25, wm4 a écrit : On Fri, 16 Jun 2017 13:51:20 +0200 21na...@gmail.com wrote: Le 16/06/2017 à 12:55, wm4 a écrit : On Fri, 16 Jun 2017 02:32:10 +0200 21na...@gmail.com wrote: Hello, I would like to know why the tag “DURATION” in Matroska files (.mkv) is a necessity?

Re: [FFmpeg-devel] Why the tag “DURATION” is a necessity in Matroska files?

2017-06-16 Thread 21naown
Le 16/06/2017 à 12:55, wm4 a écrit : On Fri, 16 Jun 2017 02:32:10 +0200 21na...@gmail.com wrote: Hello, I would like to know why the tag “DURATION” in Matroska files (.mkv) is a necessity? Even mkvmerge lets the choice to use it or not with “--enable-durations”, in addition it is written “Wri

[FFmpeg-devel] Why the tag “DURATION” is a necessity in Matroska files?

2017-06-15 Thread 21naown
Hello, I would like to know why the tag “DURATION” in Matroska files (.mkv) is a necessity? Even mkvmerge lets the choice to use it or not with “--enable-durations”, in addition it is written “Write durations for all blocks. This will increase file size and does not offer any additional valu