From 533bae38b21a9f3295f5bb80d61711ba7af03246 Mon Sep 17 00:00:00 2001
From: Chris Greenshields <http://cfd.direct>
Date: Fri, 8 Jan 2016 17:49:39 +0000
Subject: [PATCH] foamCreateVideo: add option to specify first image number
---
bin/foamCreateVideo | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/bin/foamCreateVideo b/bin/foamCreateVideo
index fa4a01166fd..a204d7cdbc8 100755
--- a/bin/foamCreateVideo
+++ b/bin/foamCreateVideo
@@ -3,7 +3,7 @@
# ========= |
# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
# \\ / O peration |
-# \\ / A nd | Copyright (C) 2015 OpenFOAM Foundation
+# \\ / A nd | Copyright (C) 2015-2016 OpenFOAM Foundation
# \\/ M anipulation |
#-------------------------------------------------------------------------------
# License
@@ -43,6 +43,7 @@ options:
-h | -help help
-i | -image <name> name of image sequence (default = image)
-o | -out <name> name of output video file (default = video)
+ -s | -start <frame> specify the start frame number for avconv
-w | -webm WebM output video file format
Creates a video file from a sequence of PNG images
@@ -64,6 +65,7 @@ IMAGE='image'
VIDEO='video'
FPS=10
FMT='mp4'
+START_NUMBER=''
while [ "$#" -gt 0 ]
do
@@ -91,6 +93,11 @@ do
VIDEO=$2
shift 2
;;
+ -s | -start)
+ [ "$#" -ge 2 ] || usage "'$1' option requires an argument"
+ START_NUMBER="-start_number $2"
+ shift 2
+ ;;
-w | -webm)
FMT=webm
echo "Selected $FMT format, requires avconv..."
@@ -116,6 +123,7 @@ if [ "$FMT" = "webm" ] ; then
echo "Creating image with avconv..."
avconv \
-r $FPS \
+ $START_NUMBER \
-i ${DIR}/${IMAGE}.%04d.png \
-c:v libvpx -crf 15 -b:v 1M \
$VIDEO.$FMT
@@ -127,6 +135,7 @@ else
echo "Creating image with avconv..."
avconv \
-r $FPS \
+ $START_NUMBER \
-i ${DIR}/${IMAGE}.%04d.png \
-c:v libx264 -pix_fmt yuv420p \
$VIDEO.$FMT
--
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