[haiku-bugs] Re: [Haiku] #15297: video/mp4 sniffer rule

  • From: "Haiku" <trac@xxxxxxxxxxxx>
  • To: undisclosed-recipients: ;
  • Date: Wed, 09 Oct 2019 14:41:16 -0000

#15297: video/mp4 sniffer rule
-----------------------------+----------------------------
   Reporter:  nephele        |      Owner:  nobody
       Type:  bug            |     Status:  new
   Priority:  normal         |  Milestone:  Unscheduled
  Component:  Audio & Video  |    Version:  R1/Development
 Resolution:                 |   Keywords:
 Blocked By:                 |   Blocking:
Has a Patch:  0              |   Platform:  All
-----------------------------+----------------------------
Comment (by nephele):

 Upon further investigation it seams that this are the tasks:
 * fix current sniffer rules to ignore offset
 * fix current sniffer rules to be case-insensitive
 * add ftypmp41 ftypmmp4 ftypisom (not-spec conform) ftypiso2 (not spec-
 conform)

 reference: https://ftyps.com
 Aswell as just sniffing stuff on my computer, ftypisom for instance isn't
 allowed according to the iso spec apparently, but ffmpeg produces those
 files, for example.
 (http://www.ffmpeg-archive.org/ISO-mp4-Major-Brand-field-non-compliant-
 td4677987.html)

 That should be the rules, the ftyps website also lists ones for nero, but
 i am not sure how relevant those are.
-- 
Ticket URL: <https://dev.haiku-os.org/ticket/15297#comment:2>
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