[FFmpeg-devel] [PATCH] lavf/isom: add "dvhe" fourCC for HEVC

[Carl Eugen Hoyos]

2018-11-05 18:26 GMT+01:00, Jan Ekström <jeebjp at gmail.com>:
> On Mon, Nov 5, 2018 at 6:34 PM Rodger Combs <rodger.combs at gmail.com> wrote:
>>
>> This refers to "Dolby Vision", which can have some additional extensions,
>> but (usually?) is also valid HEVC.
>
> This probably will have to be referenced against
> https://www.dolby.com/us/en/technologies/dolby-vision/dolby-vision-bitstreams-within-the-iso-base-media-file-format-v2.0.pdf
> .
>
> It seems to define additional boxes which most likely contain the
> information regarding if the Base Layer (BL) is compatible with
> standard SDR or HDR AVC/HEVC.
>
> The referenced Dolby Vision profile defitions seem to be defined in
> https://www.dolby.com/us/en/technologies/dolby-vision/dolby-vision-profiles-levels.pdf

Since the patch doesn't change default muxing behaviour, it could
be committed for the time being, please mention ticket #7347.
Maybe print a warning if not reading the additional information
can be an issue.

Carl Eugen