Re: ReferenceTimecode tracks in Matroska proposal

Le 10/01/2016 23:57, Dave Rice a écrit :
> [...]
> Others? LTC? VITC?

All other time codes I ever met in the digital world (I exclude time 
codes "burned" in the video frame):
- MXF time code track: a single value, I think it could be converted to 
T_QUICKTIME without losing information
- CPL (from IMF) time code track: a single value, I think it could be 
converted to T_QUICKTIME without losing information
- WMV time code track: we need to define a new codec identifier
- SMPTE/SDTI time code track: we need to define a new codec identifier
- SMPTE/System scheme 1 time code: we need to define a new codec identifier
- LTC, VITC, ATC_LTC, ATC_VITC1, ATC_VITC2 in SMPTE ST 291 (in MXF, GXF, 
LXF...): we need to define a new codec identifier for SMPTE ST 291 
ancillary data stream (which can transport captions/subtitles, time 
codes, bar data, acquisition metadata, audio metadata, program 
description... "compound" stream kind)

I don't think we should try to define new codec identifiers for all time 
code formats but T_QUICKTIME for the moment, until someone really needs it.
So I propose to start with T_QUICKTIME only.

Jérôme
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