[FFmpeg-trac] #5178(avformat:new): isom cannot be a MAJOR BRAND in MP4 created from ffmpeg
FFmpeg
trac at avcodec.org
Fri Jan 22 15:47:16 CET 2016
#5178: isom cannot be a MAJOR BRAND in MP4 created from ffmpeg
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Reporter: | Owner:
richardbushell | Status: new
Type: defect | Component: avformat
Priority: normal | Resolution:
Version: unspecified | Blocked By:
Keywords: mov | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
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Comment (by richardbushell):
Interestingly, if I change the brand via MP4Box to:-
major brand: mp41 (rather than mp42)
minor version: 0
THEN I get a Dash Conformance Error:
http://dashif.org/conformance.html
Using MPD: https://living.video/MPD/hotel.mpd
ERROR AS BELOW:
### error: moov-1:trak-1:tkhd-1
### 'tkhd' trackWidth must be set to one of (0, (320L << 16))
### error: moov-1:trak-1:tkhd-1
### 'tkhd' trackHeight must be set to one of (0, (240L << 16))
Warning: You signal brand MP4v1 and there ImageDescription width must be
320 not 768
Warning: You signal brand MP4v1 and there ImageDescription height must be
240 not 432
Yet, when I use Major Brand mp42 it results in no error at all.
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Ticket URL: <https://trac.ffmpeg.org/ticket/5178#comment:8>
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