FFMPEG video metadata parser into 6.0.0

[Gilles Caulier]

With this commit, Apple Final Cut Pro tags embedded in video files will be
imported to digiKam database :

https://commits.kde.org/digikam/92e26451d197fbb2953a06f5b3178700cf88b111

Gilles

2018-03-01 17:40 GMT+01:00 Gilles Caulier <caulier.gilles at gmail.com>:

> First i created a GDrive directory to store video samples with metadata :
>
> https://drive.google.com/drive/folders/10-SJNtJZZQd_LIchfav-YQ9a-pNsQStT
>
>
>
> 2018-03-01 14:38 GMT+01:00 Andrey Goreev <aegoreev at gmail.com>:
>
>> Gilles
>>
>> Thank you for your hard work on this.
>>
>> I think most of video editing software uses QuickTime tags. See table 3-6
>> on this webpage:
>> https://developer.apple.com/library/content/documentation/Qu
>> ickTime/QTFF/Metadata/Metadata.html
>>
>
> yes, i see these king of metadata using Final Cut Pro.
>
>
>>
>> I am wondering if you are going to check if file managers display the
>> metadata written by digikam.
>> Dolphin's Info panel does show title and tags written in some of my video
>> files. So does Windows File Manager. I am not sure about Apple OS file
>> manager since I have never used it.
>>
>>
> Apple is able to share metadata with Application as Final Cut Pro, because
> the integration is well done (All is Apple in fact)
>
> For Windows, i don't know. I never use it, excepted in my office to read
> mail (:=))))
>
>
>> Also you are correct, ffmpeg always has an input file (original) and an
>> output file (result). Audio and video streams can be copied but I bet this
>> operation will introduce some latency. So I would make the write support
>> for video files optional and I would make sure it writes only after an
>> input from user (similar to how the lazy synchronization works)
>>
>> Yes, this is what i understand.
>
> Gilles
>
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