[flac-dev] WAVEFORMATEXTENSIBLE_CHANNEL_MASK is not described

[Martijn van Beurden]

Maybe I don't understand you correctly, but 0000 is mono, not undefined. It
says: 0000-0111 : (number of independent channels)-1

I agree that the use of WAVEFORMATEXTENSIBLE_CHANNEL_MASK should be
documented. I can probably take a look at it this week or so, if no one
hasn't already?

2015-07-05 13:54 GMT+02:00 lvqcl <lvqcl.mail at gmail.com>:

> An issue was raised at <
> http://forum.doom9.org/showthread.php?p=1728923#post1728923> -
> FLAC uses WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag to describe non-standard
> layout,
> but it isn't mentioned anywhere in FLAC format.
>
> Channel assignment is described at <
> https://xiph.org/flac/format.html#frame_header>:
> "Where defined, the channel order follows SMPTE/ITU-R recommendations."
>
> The undefined value (0000?) is not mentioned. And no mentions that FLAC can
> store channel assignment in WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag, and how
> and
> when to use it.
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