[FFmpeg-user] V_QUICKTIME used as codec ID for DPX/TIFF rewrapped to Matroska

Carl Eugen Hoyos ceffmpeg at gmail.com
Sat Dec 8 13:00:31 EET 2018

2018-12-08 11:46 GMT+01:00, Kieran O Leary <kieran.o.leary at gmail.com>:

> When re-wrapping DPX or TIFF images to Matroska, it appears that
> FFmpeg uses the V_QUICKTIME codec ID.

Where can I find the specification for tiff in matroska and dpx in matroska?

> Why is this used?

> Would something like V_UNCOMPRESSED (for raw TIFF anyhow)
> be more appropriate/

If you use -vcodec rawvideo instead of tiff or dpx (which are not
rawvideo) you get V_UNCOMPRESSED but note that matroska
is not a useful container for rawvideo because it is not well
defined, use nut instead.

Carl Eugen

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