Thanks Gyan That improved things slightly. The difference is pretty noticeable though to the output I can get with Premiere.
Do you know if you can specify the colour bit depth for the png file? Thanks Pete Sent from my iPhone > On 25 Nov 2017, at 11:57, Gyan Doshi <[email protected]> wrote: > > >> On 11/25/2017 3:20 PM, Pete Willis wrote: >> We have a transparent PNG file with a drop shadow. The drop shadow when >> overlayed onto a Mov is rendering very dark. > > This is usually related to whether the input color pixels are straight or > pre-multiplied. > > Try > > ffmpeg -I TEST-1.mxf -i test-1.png -filter_complex > '[1]premultiply=inplace=1[img];[0][img]overlay' -c:v libx264 -profile high10 > -map '[out]' out2.mp4 > > > Regards, > Gyan > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
