[FFmpeg-trac] #7938(undetermined:closed): 7.1 Surround Channels Different in DTS-HD & Atmos Playback
FFmpeg
trac at avcodec.org
Mon Jun 3 20:45:44 EEST 2019
#7938: 7.1 Surround Channels Different in DTS-HD & Atmos Playback
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Reporter: me02 | Owner:
Type: defect | Status: closed
Priority: normal | Component:
| undetermined
Version: unspecified | Resolution: invalid
Keywords: dts | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Changes (by mkver):
* resolution: worksforme => invalid
Comment:
And the CAF file doesn't contain the
[https://developer.apple.com/library/archive/documentation/MusicAudio/Reference/CAFSpec/CAF_spec/CAF_spec.html#//apple_ref/doc/uid/TP40001862-CH210-BCGCIJCF
channel layout chunk] which is mandatory as the number of channels is > 2.
This of course implies that FFmpeg (or any other tool) is free to map the
channels in the file to any position it sees fit (or even to refuse to
play the file at all). And this makes this issue invalid.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7938#comment:7>
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