From 69350ba3631d93c155e13b22fae78cd9dfa28911 Mon Sep 17 00:00:00 2001
From: iamdamosuzuki <ultraworld@Ultras-iMac.local>
Date: Tue, 3 Nov 2020 13:02:29 -0800
Subject: [PATCH] created xstack script. now we can do american flags

---
 bash_scripts/xstack.sh | 174 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100755 bash_scripts/xstack.sh

diff --git a/bash_scripts/xstack.sh b/bash_scripts/xstack.sh
new file mode 100755
index 0000000..c057b0c
--- /dev/null
+++ b/bash_scripts/xstack.sh
@@ -0,0 +1,174 @@
+#!/usr/bin/env bash
+
+# Creates a mosiac of video files using the xstack filter
+
+_usage(){
+cat <<EOF
+$(basename "${0}")
+  Usage
+   $(basename "${0}") [OPTIONS] INPUT_FILE_1 INPUT_FILE_2 INPUT_FILE_3 INPUT_FILE_N
+  Options
+   -h  display this help
+   -p  previews in FFplay
+   -s  saves to file with FFmpeg
+
+  Notes
+  INPUT_FILE_1
+  INPUT_FILE_2
+
+  Outcome
+   Creates a mosiac of video files using the xstack filter
+   The number of files MUST make a square. 4, 9, 16, or 25
+   dependencies: ffmpeg 4.3 or later
+EOF
+}
+
+numArgs=$#    # The number of arguments passed
+
+if [[ $numArgs  == 5 ]]
+  then
+     outDim="2x2"
+     inputStringPlay="-i '${2}' -i '${3}' -i '${4}' -i '${5}'"
+     inputStringSave="-i "${2}" -i "${3}" -i "${4}" -i "${5}""
+     filterString="[0:v]setpts=PTS-STARTPTS,scale=qvga[a0];\
+      [1:v]setpts=PTS-STARTPTS,scale=qvga[a1];\
+      [2:v]setpts=PTS-STARTPTS,scale=qvga[a2];\
+      [3:v]setpts=PTS-STARTPTS,scale=qvga[a3];\
+      [a0][a1][a2][a3]xstack=inputs=4:layout=0_0|0_h0|w0_0|w0_h0[out]"
+elif [[ $numArgs  == 10 ]]
+   then
+      outDim="3x3"
+      inputStringPlay="-i '${2}' -i '${3}' -i '${4}' -i '${5}' -i '${6}' -i '${7}' -i '${8}' -i '${9}' -i '${10}'"
+      inputStringSave="-i "${2}" -i "${3}" -i "${4}" -i "${5}" -i "${6}" -i "${7}" -i "${8}" -i "${9}" -i "${10}""
+      filterString="[0:v]setpts=PTS-STARTPTS,scale=qvga[a0];\
+            [1:v]setpts=PTS-STARTPTS,scale=qvga[a1];\
+            [2:v]setpts=PTS-STARTPTS,scale=qvga[a2];\
+            [3:v]setpts=PTS-STARTPTS,scale=qvga[a3];\
+            [4:v]setpts=PTS-STARTPTS,scale=qvga[a4];\
+            [5:v]setpts=PTS-STARTPTS,scale=qvga[a5];\
+            [6:v]setpts=PTS-STARTPTS,scale=qvga[a6];\
+            [7:v]setpts=PTS-STARTPTS,scale=qvga[a7];\
+            [8:v]setpts=PTS-STARTPTS,scale=qvga[a8];\
+            [a0][a1][a2][a3][a4][a5][a6][a7][a8]xstack=inputs=9:layout=0_0|w0_0|w0+w1_0|0_h0|w0_h0|w0+w1_h0|0_h0+h1|w0_h0+h1|w0+w1_h0+h1[out]"
+elif [[ $numArgs  == 17 ]]
+   then
+      outDim="4x4"
+      inputStringPlay="-i '${2}' -i '${3}' -i '${4}' -i '${5}' -i '${6}' -i '${7}' -i '${8}' -i '${9}' -i '${10}' -i '${11}' -i '${12}' -i '${13}' -i '${14}' -i '${15}' -i '${16}' -i '${17}'"
+      inputStringSave="-i "${2}" -i "${3}" -i "${4}" -i "${5}" -i "${6}" -i "${7}" -i "${8}" -i "${9}" -i "${10}" -i "${11}" -i "${12}" -i "${13}" -i "${14}" -i "${15}" -i "${16}" -i "${17}""
+      filterString="[0:v]setpts=PTS-STARTPTS,scale=qqvga[a0];\
+      [1:v]setpts=PTS-STARTPTS,scale=qqvga[a1];\
+      [2:v]setpts=PTS-STARTPTS,scale=qqvga[a2];\
+      [3:v]setpts=PTS-STARTPTS,scale=qqvga[a3];\
+      [4:v]setpts=PTS-STARTPTS,scale=qqvga[a4];\
+      [5:v]setpts=PTS-STARTPTS,scale=qqvga[a5];\
+      [6:v]setpts=PTS-STARTPTS,scale=qqvga[a6];\
+      [7:v]setpts=PTS-STARTPTS,scale=qqvga[a7];\
+      [8:v]setpts=PTS-STARTPTS,scale=qqvga[a8];\
+      [9:v]setpts=PTS-STARTPTS,scale=qqvga[a9];\
+      [10:v]setpts=PTS-STARTPTS,scale=qqvga[a10];\
+      [11:v]setpts=PTS-STARTPTS,scale=qqvga[a11];\
+      [12:v]setpts=PTS-STARTPTS,scale=qqvga[a12];\
+      [13:v]setpts=PTS-STARTPTS,scale=qqvga[a13];\
+      [14:v]setpts=PTS-STARTPTS,scale=qqvga[a14];\
+      [15:v]setpts=PTS-STARTPTS,scale=qqvga[a15];\
+      [a0][a1][a2][a3][a4][a5][a6][a7][a8][a9][a10][a11][a12][a13][a14][a15]xstack=inputs=16:layout=0_0|w0_0|w0+w1_0|w0+w1+w2_0|0_h0|w0_h0|w0+w1_h0|w0+w1+w2_h0|0_h0+h1|w0_h0+h1|w0+w1_h0+h1|w0+w1+w2_h0+h1|0_h0+h1+h2|w0_h0+h1+h2|w0+w1_h0+h1+h2|w0+w1+w2_h0+h1+h2[out]"
+elif [[ $numArgs  == 26 ]]
+   then
+      outDim="5x5"
+      inputStringPlay="-i '${2}' -i '${3}' -i '${4}' -i '${5}' -i '${6}' -i '${7}' -i '${8}' -i '${9}' -i '${10}' -i '${11}' -i '${12}' -i '${13}' -i '${14}' -i '${15}' -i '${16}' -i '${17}' -i '${18}' -i '${19}' -i '${20}' -i '${21}' -i '${22}' -i '${23}' -i '${24}' -i '${25}' -i '${26}'"
+      inputStringSave="-i "${2}" -i "${3}" -i "${4}" -i "${5}" -i "${6}" -i "${7}" -i "${8}" -i "${9}" -i "${10}" -i "${11}" -i "${12}" -i "${13}" -i "${14}" -i "${15}" -i "${16}" -i "${17}" -i "${18}" -i "${19}" -i "${20}" -i "${21}" -i "${22}" -i "${23}" -i "${24}" -i "${25}" -i "${26}""
+      filterString="[0:v]setpts=PTS-STARTPTS,scale=qqvga[a0];\
+      [1:v]setpts=PTS-STARTPTS,scale=qqvga[a1];\
+      [2:v]setpts=PTS-STARTPTS,scale=qqvga[a2];\
+      [3:v]setpts=PTS-STARTPTS,scale=qqvga[a3];\
+      [4:v]setpts=PTS-STARTPTS,scale=qqvga[a4];\
+      [5:v]setpts=PTS-STARTPTS,scale=qqvga[a5];\
+      [6:v]setpts=PTS-STARTPTS,scale=qqvga[a6];\
+      [7:v]setpts=PTS-STARTPTS,scale=qqvga[a7];\
+      [8:v]setpts=PTS-STARTPTS,scale=qqvga[a8];\
+      [9:v]setpts=PTS-STARTPTS,scale=qqvga[a9];\
+      [10:v]setpts=PTS-STARTPTS,scale=qqvga[a10];\
+      [11:v]setpts=PTS-STARTPTS,scale=qqvga[a11];\
+      [12:v]setpts=PTS-STARTPTS,scale=qqvga[a12];\
+      [13:v]setpts=PTS-STARTPTS,scale=qqvga[a13];\
+      [14:v]setpts=PTS-STARTPTS,scale=qqvga[a14];\
+      [15:v]setpts=PTS-STARTPTS,scale=qqvga[a15];\
+      [16:v]setpts=PTS-STARTPTS,scale=qqvga[a16];\
+      [17:v]setpts=PTS-STARTPTS,scale=qqvga[a17];\
+      [18:v]setpts=PTS-STARTPTS,scale=qqvga[a18];\
+      [19:v]setpts=PTS-STARTPTS,scale=qqvga[a19];\
+      [20:v]setpts=PTS-STARTPTS,scale=qqvga[a20];\
+      [21:v]setpts=PTS-STARTPTS,scale=qqvga[a21];\
+      [22:v]setpts=PTS-STARTPTS,scale=qqvga[a22];\
+      [23:v]setpts=PTS-STARTPTS,scale=qqvga[a23];\
+      [24:v]setpts=PTS-STARTPTS,scale=qqvga[a24];\
+      [a0][a1][a2][a3][a4][a5][a6][a7][a8][a9][a10][a11][a12][a13][a14][a15][a16][a17][a18][a19][a20][a21][a22][a23][a24]xstack=inputs=25:layout=0_0|w0_0|w0+w1_0|w0+w1+w2_0|w0+w1+w2+w3_0|0_h0|w0_h0|w0+w1_h0|w0+w1+w2_h0|w0+w1+w2+w3_h0|0_h0+h1|w0_h0+h1|w0+w1_h0+h1|w0+w1+w2_h0+h1|w0+w1+w2+w3_h0+h1|0_h0+h1+h2|w0_h0+h1+h2|w0+w1_h0+h1+h2|w0+w1+w2_h0+h1+h2|w0+w1+w2+w3_h0+h1+h2|0_h0+h1+h2+h3|w0_h0+h1+h2+h3|w0+w1_h0+h1+h2+h3|w0+w1+w2_h0+h1+h2+h3|w0+w1+w2+w3_h0+h1+h2+h3[out]"
+elif [[ $numArgs  == 37 ]]
+   then
+      outDim="6x6"
+      inputStringPlay="-i '${2}' -i '${3}' -i '${4}' -i '${5}' -i '${6}' -i '${7}' -i '${8}' -i '${9}' -i '${10}' -i '${11}' -i '${12}' -i '${13}' -i '${14}' -i '${15}' -i '${16}' -i '${17}' -i '${18}' -i '${19}' -i '${20}' -i '${21}' -i '${22}' -i '${23}' -i '${24}' -i '${25}' -i '${26}' -i '${27}' -i '${28}' -i '${29}' -i '${30}' -i '${31}' -i '${32}' -i '${33}' -i '${34}' -i '${35}' -i '${36}' -i '${37}'"
+      inputStringSave="-i "${2}" -i "${3}" -i "${4}" -i "${5}" -i "${6}" -i "${7}" -i "${8}" -i "${9}" -i "${10}" -i "${11}" -i "${12}" -i "${13}" -i "${14}" -i "${15}" -i "${16}" -i "${17}" -i "${18}" -i "${19}" -i "${20}" -i "${21}" -i "${22}" -i "${23}" -i "${24}" -i "${25}" -i "${26}" -i "${27}" -i "${28}" -i "${29}" -i "${30}" -i "${31}" -i "${32}" -i "${33}" -i "${34}" -i "${35}" -i "${36}" -i "${37}""
+      filterString="[0:v]setpts=PTS-STARTPTS,scale=qqvga[a0];\
+      [1:v]setpts=PTS-STARTPTS,scale=qqvga[a1];\
+      [2:v]setpts=PTS-STARTPTS,scale=qqvga[a2];\
+      [3:v]setpts=PTS-STARTPTS,scale=qqvga[a3];\
+      [4:v]setpts=PTS-STARTPTS,scale=qqvga[a4];\
+      [5:v]setpts=PTS-STARTPTS,scale=qqvga[a5];\
+      [6:v]setpts=PTS-STARTPTS,scale=qqvga[a6];\
+      [7:v]setpts=PTS-STARTPTS,scale=qqvga[a7];\
+      [8:v]setpts=PTS-STARTPTS,scale=qqvga[a8];\
+      [9:v]setpts=PTS-STARTPTS,scale=qqvga[a9];\
+      [10:v]setpts=PTS-STARTPTS,scale=qqvga[a10];\
+      [11:v]setpts=PTS-STARTPTS,scale=qqvga[a11];\
+      [12:v]setpts=PTS-STARTPTS,scale=qqvga[a12];\
+      [13:v]setpts=PTS-STARTPTS,scale=qqvga[a13];\
+      [14:v]setpts=PTS-STARTPTS,scale=qqvga[a14];\
+      [15:v]setpts=PTS-STARTPTS,scale=qqvga[a15];\
+      [16:v]setpts=PTS-STARTPTS,scale=qqvga[a16];\
+      [17:v]setpts=PTS-STARTPTS,scale=qqvga[a17];\
+      [18:v]setpts=PTS-STARTPTS,scale=qqvga[a18];\
+      [19:v]setpts=PTS-STARTPTS,scale=qqvga[a19];\
+      [20:v]setpts=PTS-STARTPTS,scale=qqvga[a20];\
+      [21:v]setpts=PTS-STARTPTS,scale=qqvga[a21];\
+      [22:v]setpts=PTS-STARTPTS,scale=qqvga[a22];\
+      [23:v]setpts=PTS-STARTPTS,scale=qqvga[a23];\
+      [24:v]setpts=PTS-STARTPTS,scale=qqvga[a24];\
+      [25:v]setpts=PTS-STARTPTS,scale=qqvga[a25];\
+      [26:v]setpts=PTS-STARTPTS,scale=qqvga[a26];\
+      [27:v]setpts=PTS-STARTPTS,scale=qqvga[a27];\
+      [28:v]setpts=PTS-STARTPTS,scale=qqvga[a28];\
+      [29:v]setpts=PTS-STARTPTS,scale=qqvga[a29];\
+      [30:v]setpts=PTS-STARTPTS,scale=qqvga[a30];\
+      [31:v]setpts=PTS-STARTPTS,scale=qqvga[a31];\
+      [32:v]setpts=PTS-STARTPTS,scale=qqvga[a32];\
+      [33:v]setpts=PTS-STARTPTS,scale=qqvga[a33];\
+      [34:v]setpts=PTS-STARTPTS,scale=qqvga[a34];\
+      [35:v]setpts=PTS-STARTPTS,scale=qqvga[a35];\
+      [a0][a1][a2][a3][a4][a5][a6][a7][a8][a9][a10][a11][a12][a13][a14][a15][a16][a17][a18][a19][a20][a21][a22][a23][a24][a25][a26][a27][a28][a29][a30][a31][a32][a33][a34][a35]xstack=inputs=36:layout=0_0|w0_0|w0+w1_0|w0+w1+w2_0|w0+w1+w2+w3_0|w0+w1+w2+w3+w4_0|0_h0|w0_h0|w0+w1_h0|w0+w1+w2_h0|w0+w1+w2+w3_h0|w0+w1+w2+w3+w4_h0|0_h0+h1|w0_h0+h1|w0+w1_h0+h1|w0+w1+w2_h0+h1|w0+w1+w2+w3_h0+h1|w0+w1+w2+w3+w4_h0+h1|0_h0+h1+h2|w0_h0+h1+h2|w0+w1_h0+h1+h2|w0+w1+w2_h0+h1+h2|w0+w1+w2+w3_h0+h1+h2|w0+w1+w2+w3+w4_h0+h1+h2|0_h0+h1+h2+h3|w0_h0+h1+h2+h3|w0+w1_h0+h1+h2+h3|w0+w1+w2_h0+h1+h2+h3|w0+w1+w2+w3_h0+h1+h2+h3|w0+w1+w2+w3+w4_h0+h1+h2+h3|0_h0+h1+h2+h3+h4|w0_h0+h1+h2+h3+h4|w0+w1_h0+h1+h2+h3+h4|w0+w1+w2_h0+h1+h2+h3+h4|w0+w1+w2+w3_h0+h1+h2+h3+h4|w0+w1+w2+w3+w4_h0+h1+h2+h3+h4[out]"
+else
+   printf "ERROR: The number of input files MUST make a square. 4, 9, 16, 25, or 36\n" >&2
+   exit
+fi
+
+  # Build filter string
+
+
+while getopts "hps" OPT ; do
+    case "${OPT}" in
+      h) _usage ; exit 0
+        ;;
+      p)
+      ffmpeg -hide_banner ${inputStringSave} -c:v prores -profile:v 3 -filter_complex "${filterString}" -map [out] -f matroska - | ffplay -
+      printf "\n\n*******START FFPLAY COMMANDS*******\n" >&2
+      printf "ffmpeg -hide_banner ${inputStringPlay}  -c:v prores -profile:v 3 -filter_complex '${filterString}' -map [out] -f matroska - | ffplay - \n" >&2
+      printf "********END FFPLAY COMMANDS********\n\n " >&2
+        ;;
+      s)
+      ffmpeg -hide_banner ${inputStringSave} -c:v prores -profile:v 3 -filter_complex "${filterString}" -map [out] "${2%.*}_xstack_$outDim.mov"
+      printf "\n\n*******START FFMPEG COMMANDS*******\n" >&2
+      printf "ffmpeg -hide_banner ${inputStringPlay}  -c:v prores -profile:v 3 -filter_complex '${filterString}' -map [out] '${2%.*}_xstack_$outDim.mov' \n" >&2
+      printf "********END FFMPEG COMMANDS********\n\n " >&2
+        ;;
+      *) echo "bad option -${OPTARG}" ; _usage ; exit 1 ;
+    esac
+  done