On a side note. Shouldn't ffprobe also report the detect alpha mode if the decoder/container supports it?
On Tue, Aug 5, 2025 at 11:16 AM Nicolas George <[email protected]> wrote: > > Nicolas George (HE12025-08-05): > > > I will repeat myself briefly here that such a flag should be an opt-out, > > > not > > > an opt-in. Supporting premultiplied alpha should be the default assumption > > > unless provable otherwise. > > > > Absolutely not. > > > > Do you dereference a pointer when you can prove it cannot be NULL or > > when you cannot prove it can be NULL? It is the same: if you cannot > > prove a filter produces a valid result, then we protect by default. It > > is already too much that it is not blocking when it is unspecified. On > > this I will stand firm. > > Just an extra point: > > Imagine we had done it opt-out as you suggest, and you were looking at > the list of >300 video filter source files. > > Would you have thought to set the opt-out flag to drawbox? > > I know you have the integrity to do so, so please take the time to think > about it and answer honestly. > > Regards, > > -- > Nicolas George > _______________________________________________ > ffmpeg-devel mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
