[FFmpeg-devel] [PATCH] add tag/comment support to the raw flac demuxer

Michael Niedermayer michaelni
Thu Dec 4 20:56:31 CET 2008


On Thu, Dec 04, 2008 at 11:44:39AM -0800, Baptiste Coudurier wrote:
> Michael Niedermayer wrote:
> > On Thu, Dec 04, 2008 at 11:06:34AM -0800, Baptiste Coudurier wrote:
> >> Hi,
> >>
> >> Michael Niedermayer wrote:
> >>> On Mon, Dec 01, 2008 at 02:18:02PM -0800, Jim Radford wrote:
> >>>> This patch adds support for parsing vorbis comments in plain flac
> >>>> streams.  Only metadata packets are parsed leaving the frame data to
> >>>> be parsed in raw 1024 byte chunks like before.
> >>> this wont work with flac in any container short of raw flac.
> >>> Thus IMO this is unacceptable
> >>>
> >> It's not like flac would be put in another container, except ogg and 
> >> this would be a lot worse, and I personnally don't care about flac in ogg.
> > 
> > flac in ogg is idiotic but isnt anyone recording music videos ... with
> > lossless audio from a cd?
> 
> Yes, this is possible.
> 
> > For that use case (and i do not know if anyone is actually using that use
> > case) flac in some non ogg container would be a possible option
> 
> Wouldn't it be better to store the metadata at the container level in 
> this case, because metadata would be related to video as well ? Just an 
> idea.

true, still completely ignoring the headers does not seem ideal ...


> 
> >> I guess 90% of flac files are lossless cd audio ripping scene, and in 
> >> this case this patch really adds a feature which can be removed later if 
> >> someone volonteer to do something at codec level.
> >>
> >> This is IMHO acceptable, and I'd like it in svn.
> > 
> > ill review it then
> 
> Thanks a lot, do we have another flac expert around here, by chance ? 
> This would save you some time :>

maybe justin or you could review it :)

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact
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