[FFmpeg-devel] [PATCH] avformat/movenc: add write_mdcv flag to write mdcv atom

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Apr 1 22:18:06 EEST 2020


Am Di., 31. März 2020 um 19:00 Uhr schrieb Michael Bradshaw
<mjbshaw-at-google.com at ffmpeg.org>:
>
> The mdcv atom isn't in ISO/IEC 14496-12:2015 so the flag is marked as
> experimental and the mdcv atom is not written by default.
>
> The mdcv atom is referenced by e.g., [1][2] and is already parsed in FFmpeg
> in mov.c.
>
> Once ISO/IEC 14496-12 standardizes the mdcv atom (which I assume it will?)
> then we can switch this to write the mdcv atom by default (if the metadata
> exists) and remove the write_mdcv flag.

Same here: If this helps, it should not be optional imo.

Carl Eugen


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