Re: JPEG 2000 codec support
Antonin Descampe <[email protected]>
| Newsgroups | gmane.comp.multimedia.matroska.devel |
|---|---|
| Message-ID | <[email protected]> |
> Le 13 févr. 2015 à 12:06, wm4 <[email protected]> a écrit : > > On Wed, 4 Feb 2015 15:37:29 +0000 > Antonin Descampe <[email protected]> wrote: > >> Dear Matroska developers , >> >> In the context of an EU-funded project called PREFORMA dealing with long-term preservation archives, we need to wrap JPEG 2000 frames using MKV. > > That sounds insane to me. Why did they choose JPEG 2000? It has bad > support in open source and AFAIR has nothing on h264 as far as > compression efficiency and quality goes. Well, I have quite a different opinion. Concerning open-source support, there is the openjpeg library. Concerning compression efficiency and quality, JPEG 2000 and H264 are suited for completely different use cases. In the case of long-term preservation archives where they need high bitrate (possibly lossless) compression, JPEG 2000 makes perfectly sense. That’s probably why well-known institutions like INA (french archives), British library, or Library of congress have opted for J2K for their assets. In addition to this, J2K is royalty-free, which is not the case of h264. > >> I looked in mail archives and documentation, but it seems there is currently no such JPEG 2000 support within Matroska. >> >> My questions: >> * Is there any plan to include JPEG 2000 as one of the supported codec in Matroska ? If yes, what would be the timeframe ? >> * Is there any work already done in that direction ? >> * What would be the steps to follow to get this codec supported by Matroska ? >> >> Many thanks in advance for any comment on that topic ! >> >> Cheers, >> >> Antonin > > _______________________________________________ > Matroska-devel mailing list > [email protected] > http://lists.matroska.org/cgi-bin/mailman/listinfo/matroska-devel > Read Matroska-Devel on GMane: http://dir.gmane.org/gmane.comp.multimedia.matroska.devel _______________________________________________ Matroska-devel mailing list [email protected] http://lists.matroska.org/cgi-bin/mailman/listinfo/matroska-devel Read Matroska-Devel on GMane: http://dir.gmane.org/gmane.comp.multimedia.matroska.devel