[MPlayer-dev-eng] [PATCH] Dolby TrueHD support for mkv demuxer

compn tempn at twmi.rr.com
Fri Aug 7 03:50:11 CEST 2009


On Fri, 07 Aug 2009 02:20:34 +0300, Uoti Urpala wrote:
>In case you've already forgotten the problems despite being told
>repeatedly what they are: by far the most serious flaw is moving
>semantically necessary timestamps from packet metadata fields to inside
>the packet byte data and storing them there as absolute time values.
>Timestamp fields exist separately from binary data for a reason, and
>additionally using absolute values inside the binary data makes adding
>any offsets to the timing format-specific and very cumbersome. Lacking a
>way to keep the ReadOrder field causes problems but has little benefit
>(conversion to remove it later if needed would be simple, putting it
>back after the information has been lost isn't). The timestamps lose
>accuracy (if that's no problem, would it be OK to hardcode a timebase of
>100 in lavf for all video too?).

when you use this patch and -demuxer lavf on an mkv file with ass
subtitles, does it cause subtitle lag? or any noticable difference?
does it break -ss ? please let us know in bugreport form. (sample
+mplayer output)

-compn



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