[Matroska-devel] mkvalidator cluster/cues validation
slhomme at matroska.org
Sun Aug 14 16:13:04 CEST 2011
It is a warning because it's not optimal for seeking. A lot of data
will be read for nothing in this case, unless the Cluster is not
referenced in the Cues and if the Cues are not damaged.
I don't think there are much players that make use of the
CueBlockNumber element at all.
On Wed, Aug 3, 2011 at 9:20 AM, <therealmsj at gmail.com> wrote:
> mkvalidator complains about "first block for video track # not being a
> key-frame". Its only a warning but why complain about
> something thats totally valid - in this case the CueBlockNumber points at
> the key-frame block. I could understand the warning if the
> CueBlockNumber element had not been present or was pointing at the wrong
> what seems to be missing from mkvalidator is a "cues key-validation" - if
> the first block is not a video key-frame and CueBlockNumber is not
> present it should generate a warning. A warning because there does not seem
> to be any requirement that cues should only contain references
> to key-frames. Also, mkvalidator seems to ignore the CueBlockNumber -
> writing a wrong block number does not generate any error.
> please comment.
> Thanks in advance
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