On 09/21/2012 05:22 PM, Ralph Giles wrote: > The FLAC format specification never defined the semantics of 7- and > 8-channel files, which has caused some pain for some years now. > > Attached is a patch to define them. I don't know if this follows > "follows SMPTE/ITU-R recommendations," but it follows common tool > practice. I chose the set of surround speaker designations used by home > theatre systems, which is the same set used by the Vorbis and Opus mappings. > > The ordering follows the WAVE file format, rather than the Vorbis order > of other Xiph codecs. This matches what flac has done for the existing > mappings, and it allegedly what current tools like libavformat are doing. > > Please consider applying this patch to have a definitive statement on > the channel map for implementors to follow. > > -r > > P.S. This doesn't update the flac command-line tool to enforce this > mapping. That needs to be done as well, along with test files.
Yes please! I doubt it will stop tool developers from using metadata to define other layouts, but this is a step in the right direction. Thanks, Justin _______________________________________________ flac-dev mailing list flac-dev@xiph.org http://lists.xiph.org/mailman/listinfo/flac-dev
