Bug#764169: libav-tools: can transcode but not copy Speex audio from Matroska container

[Jonas Smedegaard]

Package: libav-tools
Version: 6:11-1
Severity: normal

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Speex audio in Matroska container behaves oddly: Codec needs to be
explicitly declared, even though avconv lists the codec in extracted
metadata.  More annoyingly, it is only possible to transcode into other
codecs, not use pseudo-codec "copy" to e.g. repackage to Ogg container.

I guess this is related to bug#764168.  If so, I suggest not merging but
keep this bug separate, tracking the user experience resulting from that
weak/broken parsing at libmatroska.

 - Jonas

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