[FFmpeg-user] Alpha Channel QT with SubTitles

Gandharv Bhagat fradac at hotmail.com
Thu Jan 11 23:42:45 EET 2018


Hi,

I am trying to generate an alpha channel QT, with Apple animation codec, but the I get output has a white background. here is the command

ffmpeg -r 23.976 -loop 1 -i Alpha_1920x1080.png -c:v qtrle -t 00:00:30.000 -vf subtitles=“Subtitle.srt:force_style='Fontsize=18,BorderStyle=1,Outline=0,Shadow=1,MarginV=25,FontName=Arial'" Subs2.mov

Gandharv

p.s. The PNG was created in Photoshop


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