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| 1 | +#!/bin/sh |
| 2 | +#------------------------------------------------------------------------------ |
| 3 | +# ========= | |
| 4 | +# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| 5 | +# \\ / O peration | |
| 6 | +# \\ / A nd | Copyright (C) 2015 OpenFOAM Foundation |
| 7 | +# \\/ M anipulation | |
| 8 | +#------------------------------------------------------------------------------- |
| 9 | +# License |
| 10 | +# This file is part of OpenFOAM. |
| 11 | +# |
| 12 | +# OpenFOAM is free software: you can redistribute it and/or modify it |
| 13 | +# under the terms of the GNU General Public License as published by |
| 14 | +# the Free Software Foundation, either version 3 of the License, or |
| 15 | +# (at your option) any later version. |
| 16 | +# |
| 17 | +# OpenFOAM is distributed in the hope that it will be useful, but WITHOUT |
| 18 | +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 19 | +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 20 | +# for more details. |
| 21 | +# |
| 22 | +# You should have received a copy of the GNU General Public License |
| 23 | +# along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. |
| 24 | +# |
| 25 | +# Script |
| 26 | +# foamCreateVideo |
| 27 | +# |
| 28 | +# Description |
| 29 | +# Creates an MPEG-4 compressed (.mp4) video file from PNG images |
| 30 | +# - requires mencoder |
| 31 | +# |
| 32 | +#------------------------------------------------------------------------------ |
| 33 | + |
| 34 | +usage () { |
| 35 | + exec 1>&2 |
| 36 | + while [ "$#" -ge 1 ]; do echo "$1"; shift; done |
| 37 | + cat <<USAGE |
| 38 | +
|
| 39 | +Usage: ${0##*/} [OPTIONS] ... |
| 40 | +options: |
| 41 | + -d | -dir <dir> directory containing png images (default local dir) |
| 42 | + -f | -fps <fps> frames per second (default = 10) |
| 43 | + -h | -help help |
| 44 | + -i | -image <name> name of image sequence (default = image) |
| 45 | + -o | -out <name> name of output video file (default = video) |
| 46 | +
|
| 47 | +Creates an MPEG-4 compressed (.mp4) video file from a sequence of PNG images |
| 48 | +- A sequence named "image" will expect files image.0000.png, image.0001.png, etc |
| 49 | +- An output video named "video" will produce a file video.mp4 |
| 50 | +- By default the video codec is high resolution (x264) but there is an option to |
| 51 | + select a medium resolution codec (lavc) |
| 52 | +
|
| 53 | +Requires mencoder |
| 54 | +
|
| 55 | +USAGE |
| 56 | + exit 1 |
| 57 | +} |
| 58 | + |
| 59 | + |
| 60 | +# Default settings |
| 61 | +DIR='.' |
| 62 | +IMAGE='image' |
| 63 | +VIDEO='video' |
| 64 | +FPS=10 |
| 65 | +VCODEC=x264 |
| 66 | + |
| 67 | + |
| 68 | +while [ "$#" -gt 0 ] |
| 69 | +do |
| 70 | + case "$1" in |
| 71 | + -h | -help) |
| 72 | + usage |
| 73 | + ;; |
| 74 | + -d | -directory) |
| 75 | + [ "$#" -ge 2 ] || usage "'$1' option requires an argument" |
| 76 | + DIR=$2 |
| 77 | + shift 2 |
| 78 | + ;; |
| 79 | + -f | -fps) |
| 80 | + [ "$#" -ge 2 ] || usage "'$1' option requires an argument" |
| 81 | + FPS=$2 |
| 82 | + shift 2 |
| 83 | + ;; |
| 84 | + -i | -image) |
| 85 | + [ "$#" -ge 2 ] || usage "'$1' option requires an argument" |
| 86 | + IMAGE=$2 |
| 87 | + shift 2 |
| 88 | + ;; |
| 89 | + -o | -out) |
| 90 | + [ "$#" -ge 2 ] || usage "'$1' option requires an argument" |
| 91 | + VIDEO=$2 |
| 92 | + shift 2 |
| 93 | + ;; |
| 94 | + -*) |
| 95 | + usage "invalid option '$1'" |
| 96 | + ;; |
| 97 | + *) |
| 98 | + break |
| 99 | + ;; |
| 100 | + esac |
| 101 | +done |
| 102 | + |
| 103 | +# |
| 104 | +# MAIN |
| 105 | +# |
| 106 | + |
| 107 | +[ -f "$(ls -1 $DIR/$IMAGE.*.png | head -1)" ] || usage "Cannot find first file in image sequence" |
| 108 | + |
| 109 | +if command -v mencoder >/dev/null 2>&1; then |
| 110 | + mencoder \ |
| 111 | + "mf://$DIR/$IMAGE.*.png" \ |
| 112 | + -mf fps=$FPS \ |
| 113 | + -o $VIDEO.mp4 \ |
| 114 | + -ovc $VCODEC |
| 115 | +else |
| 116 | + usage "Please install mencoder" |
| 117 | +fi |
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