[FFmpeg-user] MP4 from MXP - Material Package Only
Bart.Debacker at turner.com
Thu Feb 21 06:36:43 EET 2019
On 2/20/19, 6:06 PM, "ffmpeg-user on behalf of Carl Eugen Hoyos" <ffmpeg-user-bounces at ffmpeg.org on behalf of ceffmpeg at gmail.com> wrote:
2019-02-20 21:15 GMT+01:00, DeBacker, Bart <Bart.Debacker at turner.com>:
> On 2/19/19, 2:15 PM, "ffmpeg-user on behalf of Carl Eugen Hoyos"
>> 2019-02-18 22:53 GMT+01:00, Marton Balint <cus at passwd.hu>:
>> > On Mon, 18 Feb 2019, DeBacker, Bart wrote:
>> >> I grabbed the latest snapshot and see the same behavior. I don't
>> >> think this is really a bug, since the frames exist and are valid, but
>> >> the MXF metadata is specifying a start time that is a few frames
>> >> in and I would like the MP4 to match that. Hoping there is a flag
>> >> I am missing.
>> > I am afraid there is no magic option in ffmpeg to fix this at the
>> > moment.
>> Do we have such a sample?
> Let me know if there is a better place to put these, but for now
> I shared via DropBox.
> Here is the hires file:
Do we also know which "tag" (if this is the correct mxf term) we ignore?
I believe the 'Origin' key should be used.
"Origin: The number of Edit Units of a Track which exist before the Zero Point of a Timeline Track. A positive
value shall indicate that the Timeline Track starts before the Zero Point of the Package. A negative value shall
indicate that the Timeline Track starts after the Zero Point of the Package."
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