On Thu, 9 Apr 2020 16:17:21 +0000 John Stebbins <jstebb...@jetheaddev.com> wrote:
> > > > > > Worth a comment that secondary alpha can't be preserved? > > > > Sure, will do. > > Taking a second look at this, I'm wondering if alpha_id = 2 should be > applied to the highlight color that is set in mov_text_color_cb? And > if so, should a highlight box be started if only the alpha is changed > and not the color? And if so, should the highlight color default to > the current primary color when only alpha changes? I'm not familiar > with how mov text highlight works and what it looks like in practice. > Do you have an opinion? > > If I add the above, I'll do that as a separate new patch, along with > the comment below. > > There should still be a comment here (and probably for color as well) > that outline and background colors can not be modified in mov text. I'm afraid I don't know either. I've not encountered any truly rich movtext subtitles so I don't know what these things are supposed to look like. It sounds like a reasonable argument to say you can apply an alpha-only highlight, but I couldn't even say if that's in-spec or not. :-) I agree that handling anything like that can be a separate patch. --phil _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
