How to Convert a Piece of Video to an Animated Png File
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Methods to convert a chunk of video to an apng file. Apng means animated PNG Images, and it is a true-color alternative for the favored animated gif. Up to now apng is supported by Firefox3 and Opera 9.5. To transform a video clip to an apng file, you could possibly convert it into picture sequences with Mplayer at first. The picture sequences could be scaled, cropped and transformed to an animated png file with mplayer and apng assemblers. To learn the next steps, customers ought to have some fundamentals about command-line immediate in Home windows To begin a command-line immediate in Home windows, it is best to 1: click on on the Begin Menu; 2. click on on the Run possibility; 3: Kind cmd ; 4: click on on the OK button. The listing of mplayer’s binary information needs to be added to the PATH setting variable too.
Use a video participant corresponding to Mplayer to play the supply video, and attempt to discover the attention-grabbing a part of your video.
Minimize the video and convert it into picture sequences (png) with the favored Mplayer. e.g. mplayer video.avi -vo png -ss 00:00:10 -endpos 5.0 (lower 5 seconds out of video.avi from 10.0s to 15.0s)
Use photoshop or gimp to open one in every of these png photographs, and discover the attention-grabbing area.
Use mplayer to crop the video.
e.g. mplayer video.avi -vo png -ss 00:00:10 -endpos 5.0 -vf crop=480:360:80:60 The crop space is a 480×360 rectangle starting from (80,60). Convert
Now you should use any apng assembler to transform these photographs to an animated png file now. To get a smaller apng file, you should use Jtvmaker and set 15bit shade output in its high quality pane. Through the use of 15bit shade, measurement of the ultimate apng file could be lowered by about 50%. The output of jtvmaker needs to be set to “Apng animation”. Sleeptime needs to be set to 40ms for 25fps animation. The apng possibility needs to be mix or overlap. Cross-fade loop animation can be supported in Jtvmaker too. Creator: stevpan