[FFmpeg-cvslog] r17011 - trunk/libavformat/mxfenc.c

Michael Niedermayer michaelni
Fri Feb 6 12:25:25 CET 2009


On Thu, Feb 05, 2009 at 02:07:18PM -0800, Baptiste Coudurier wrote:
> Hi,
> 
> On 2/5/2009 1:03 PM, Reimar D?ffinger wrote:
> > On Thu, Feb 05, 2009 at 09:15:18PM +0100, bcoudurier wrote:
> >> +static uint64_t mxf_parse_timestamp(time_t timestamp)
> >> +{
> >> +    struct tm *time = localtime(&timestamp);
> >> +    return (uint64_t)(time->tm_year+1900)<<  48 |
> >> +           (uint64_t)(time->tm_mon+1)<<  40 |
> >> +           (uint64_t) time->tm_mday<<  32 |
> >> +                      time->tm_hour<<  24 |
> >> +                      time->tm_min<<  16 |
> >> +                      time->tm_sec<<  8;
> >> +}
> >
> > Huh, the time is stored in a timezone-dependent format without storing
> > the time zone?
> 
> Seems so, anyway I don't make the specs.
> 
> Besides which format specifies the time zone ?
> mov/mp4 doesn't, at least.

mov/mp4 supports everything except what is needed or usefull!

heres what nut says:
    "CreationTime"
        "2003-01-20 20:13:15Z", ...
        (ISO 8601 format, see http://www.cl.cam.ac.uk/~mgk25/iso-time.html)
        Note: Do not forget the timezone.

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Everything should be made as simple as possible, but not simpler.
-- Albert Einstein
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