[FFmpeg-user] -tag:v not set in mov file

Carl Eugen Hoyos cehoyos at ag.or.at
Tue May 3 11:37:59 CEST 2016

Rens Dijkshoorn <rens <at> offlinemedia.nl> writes:

> i have problems using -tag:v or -vtag to set the correct 
> codec for Quicktime in my case encoding xdcamhd422 defaults 
> to xd5e for 25P but needs to be set xd5c for 50i when 
> encoded with interlaced video.

Works fine here.
(Complete, uncut console output missing.)

> This seems to be true for all codecs this is a simple example 
> to show this
> -tag:v apcs = prores LT
>  ./ffmpeg -f lavfi -r 25 -i testsrc -t 10 -c:v prores 
> -tag:v apcs ~/Desktop/TEST_SRC.MOV

(Why do you provide output for another than your 
use case?)
Prores is special, you have to specify the profile, see also 
the console output:

> [prores  <at>  0x7fa6ac824400] encoding with ProRes 
> standard (apcn) profile

Use -profile 1 for lt.

Please learn now what thread hijacking is and strictly 
avoid it!

Carl Eugen

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