|  | #!/bin/sh | 
|  | # Copyright 2017 Google Inc. | 
|  | # | 
|  | # Use of this source code is governed by a BSD-style license that can be | 
|  | # found in the LICENSE file. | 
|  |  | 
|  | # Create a 3 second long animation from the Raster output of fiddle at 15 fps. | 
|  | FPS=15 | 
|  | DURATION=3 | 
|  | FRAMES=$((DURATION * FPS)) | 
|  | mkdir -p /tmp/animation | 
|  | for i in $(seq -f "%05g" 0 $FRAMES) | 
|  | do | 
|  | ./out/Release/fiddle --duration $DURATION --frame `bc -l <<< "$i/$FRAMES"` | ./tools/fiddle/parse-fiddle-output | 
|  | cp /tmp/fiddle_Raster.png /tmp/animation/image-"$i".png | 
|  | done | 
|  | cd /tmp/animation; ffmpeg -r $FPS -pattern_type glob -i '*.png' -c:v libvpx-vp9 -lossless 1 output.webm |