[FFmpeg-devel] [PATCH] matroskadec: Implement support for ALAC

Michael Niedermayer michaelni at gmx.at
Sun Aug 5 17:04:02 CEST 2012

On Sun, Aug 05, 2012 at 04:25:48PM +0200, Moritz Bunkus wrote:
> This patch implements support reading ALAC from Matroska files. The
> only non-trivial thing about it is that only the ALAC magic cookie is
> stored in Matroska's CodecPrivate element but not the "atom size",
> "tag" and "tag version" fields that FFMPEG's ALAC decoder
> expects. However, those are trivial to re-create.
> Sample files are available:
> http://www.bunkus.org/videotools/mkvtoolnix/samples/alac/alac-in-matroska.mka
> and the CoreAudio file it was created from with today's mkvmerge:
> http://www.bunkus.org/videotools/mkvtoolnix/samples/alac/alac-in-matroska-source.caf
> Kind regards,
> mosu

patch applied


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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