[FFmpeg-devel] [PATCH] avformat/movenc: add write_clli flag to write clli atom

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Apr 1 22:17:32 EEST 2020


Am Di., 31. März 2020 um 01:36 Uhr schrieb Michael Bradshaw
<mjbshaw-at-google.com at ffmpeg.org>:
>
> The clli atom isn't in ISO/IEC 14496-12:2015 so the flag is marked as
> experimental and the clli atom is not written by default.
>
> The clli atom is referenced by e.g., [1][2] and is already parsed in FFmpeg
> in mov.c.
>
> Once ISO/IEC 14496-12 standardizes the clli atom (which I assume it will?)
> then we can switch this to write the clli atom by default (if the metadata
> exists) and remove the write_clli flag.

If this patch is a good idea (if it fixes playback visually on some devices -
do I understand that correctly?), it should not be optional imo.

Carl Eugen


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