![]() This results in blocky graphics and text where smoothing of the edges relies on the alpha channel. When DOM is given a ProRes4444 file with alpha channel, DOM appears to ignore the alpha channel. I've noticed this for a long time, but only just getting around to making a repro case. Libswscale has this ff_sws_alphablendaway thing which should set alpha to black if alphablend is set to "uniform_color" (see branch) but it doesn't work because the condition in libswscale/utils.c which decides whether to use ff_sws_alphablendaway doesn't trip because unscaled=0.Īlpha channel not rendered correctly in ProRes4444 files Loading the example in git puts a white line down the right hand side of the image happens on Windows and Linux (at least).Īs the submitter pointed out (I think) it seems to have a two-pixel transparency line on the right-hand side. Strange white line down right hand side of PNG Feel free to leave a comment if you see it again! This is pretty old now I can't find the file that was mentioned, and I can't reproduce with others. ![]() The rights to lille.mp4 is owned by a customer - I will email you another file that causes the same error. The error seems unrelated to the video file (three different files causes this error). Please report this problem by using Help -> Report a problem or via email to To Reproduce: Maybe at some point ask where to store data?Įnabling video filter: Telecine causes errorĮnabling the video filter "telecine" causes error: This is also what all professional lab mastered DCP:s use in my experience. ![]() The CST-RT-028 document recommends recommends that the baseline of the lowest subtitle text line to be at 7% from the image border. This document is exactly about this and have really clear and sound recommendations. Please see the CST document CST-RT-028 on direct link: Option to show title-safe area for subtitles There are no notes attached to this issue. ![]() Support Interoperable Master Format (IMF) for input ![]()
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