<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Are there any video codecs that support transparency? It looks like few people have achieved this online and only with exotic formats. For example,<div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="https://stackoverflow.com/questions/644684/turn-image-sequence-into-video-with-transparency/12951156" class="">https://stackoverflow.com/questions/644684/turn-image-sequence-into-video-with-transparency/12951156</a><br class=""><div class=""><br class=""></div><div class="">ChimeraX uses ffmpeg to encode videos. It first saves image files for every frame and it would be possible to save those with transparency. But you'd have to make a good case that that has some value for us to add the option to the movie command.</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div class=""><br class=""></div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jun 14, 2019, at 6:34 AM, Norberto Escudero wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class=""><br class=""></div>Hi,<div class=""><br class=""></div><div class="">I have succesfully created images with transparent background, but it seems is an impossible task for a movie. Is there any way around this?</div><div class=""><br class=""></div><div class="">Thanks and regards,<br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><font size="2" style="background-color:rgb(255,255,255)" class="">Dr Norberto Escudero Urquijo<br class=""></font><font class="">Prof. A. Warren's group</font><font size="2" style="background-color:rgb(255,255,255)" class=""><br class=""></font></div><div dir="ltr" class=""><font size="2" style="background-color:rgb(255,255,255)" class="">Cambridge Institute for Medical Research (CIMR)<br class="">Hills Road, </font><font size="2" style="background-color:rgb(255,255,255)" class="">Cambridge, CB2 0XY</font></div></div></div></div></div></div></div></div>
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