[FFmpeg-user] encoding video from png diffs

Joshua Grauman jnfo at grauman.com
Fri Sep 2 20:36:26 EEST 2016

Yes, I know I don't *need* an alpha channel. But without one, you have to 
apply the same transparency to the whole frame, or use a green screen of 
some sort, both of which have negative affects...


>>>>> I have another different, but related question. What format would you
>> suggest for storing my screencast in? The resulting video is going to be
>> 1080p30 and it needs to have an alpha channel (the input png's will use the
>> alpha channel). The screencast is going to be overlaid at a later time
>> (with ffmpeg) onto another 1080p30 avchd video from my canon camera.
> In order to overlay one video on top of another you don't need anything
> related to an alpha channel.
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".

More information about the ffmpeg-user mailing list