[Chimera-users] aPNG

[Tom Goddard]

Also Chimera includes ffmpeg so you could have Chimera save your move and h.264 and then just use the Chimera ffmpeg from the command-line to convert that to animated png.  For instance, here

https://www.reddit.com/r/ffmpeg/comments/5zuvns/how_do_i_use_ffmpeg_apng_encoder/ <https://www.reddit.com/r/ffmpeg/comments/5zuvns/how_do_i_use_ffmpeg_apng_encoder/>

it says the following works

	ffmpeg -i input.mp4 output.apng

Chimera 1.15 ffmpeg on Mac is here

	Chimera-1.15.app/Contents/Resources/bin/ffmpeg

 Tom


> On Dec 6, 2021, at 9:32 PM, Greg Couch via Chimera-users <chimera-users at cgl.ucsf.edu> wrote:
> 
> Chimera uses ffmpeg to encode movie files.  Searching online, it appears that ffmpeg supports .png files for output, which are APNG files.  So it should possible to add that as an output format.  Currently, we are only making bug fixes for Chimera, so if we add this feature, it would be for ChimeraX.  That said, the movie encoding support code in ChimeraX is very similar to Chimera's.  So it looks like it would be easy to backport.  I'll create a ChimeraX ticket on your behalf so you'll be notified when it is added to ChimeraX.
> 
>     -- Greg
> 
> On 12/6/2021 8:21 PM, Frank Irby via Chimera-users wrote:
>> I produce high quality Animated PNG files and it takes a lot of juggling different computers to accomplish.
>> Is there a way to simply chose APNG from the movie recorder output pulldown menue?
>> Would there be a plug in for that?
>> 
>> My animations can be found at:
>> https://www.deviantart.com/mandelscape/gallery/24158715/molecular <https://www.deviantart.com/mandelscape/gallery/24158715/molecular>
>> 
>> Thank you 
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