From ca8cd5bd761b4a768f1d1adf1d0dffc24f7369b7 Mon Sep 17 00:00:00 2001
From: sigonasr2 <sigonasr2@gmail.com>
Date: Mon, 3 Apr 2023 13:50:53 -0500
Subject: [PATCH] Add ffmpeg video management scripts

---
 .gitignore            | 1 +
 audiomerge.bat        | 7 +++++++
 audiomerge_direct.bat | 7 +++++++
 list.txt              | 2 ++
 merge.bat             | 1 +
 precrop.bat           | 1 +
 6 files changed, 19 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 audiomerge.bat
 create mode 100644 audiomerge_direct.bat
 create mode 100644 list.txt
 create mode 100644 merge.bat
 create mode 100644 precrop.bat

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..adb36c8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.exe
\ No newline at end of file
diff --git a/audiomerge.bat b/audiomerge.bat
new file mode 100644
index 0000000..9d31047
--- /dev/null
+++ b/audiomerge.bat
@@ -0,0 +1,7 @@
+@echo off
+IF "%5"=="" GOTO HAVE_0
+ffmpeg -i %1 -i %2 -i %3 -filter_complex "[0]volume=0.2[a];[1]adelay=%4|%4,volume=2[b];[2]adelay=%4|%4,volume=2[c];[a][b][c]amix=3" -c:v copy -ac 2 %5
+GOTO DONE
+:HAVE_0
+ffmpeg -i %1 -i %2 -filter_complex "[0]volume=0.2[1]adelay=%3|%3,volume=1[b];[0][b]amix=2" -c:v copy -ac 2 %4
+:DONE
\ No newline at end of file
diff --git a/audiomerge_direct.bat b/audiomerge_direct.bat
new file mode 100644
index 0000000..2246e30
--- /dev/null
+++ b/audiomerge_direct.bat
@@ -0,0 +1,7 @@
+@echo off
+IF "%5"=="" GOTO HAVE_0
+ffmpeg -i %1 -i %2 -i %3 -filter_complex "[0]volume=0[a];[1]adelay=%4|%4,volume=0.2[b];[2]adelay=%4|%4,volume=1[c];[a][b][c]amix=3" -c:v copy -ac 2 %5
+GOTO DONE
+:HAVE_0
+ffmpeg -i %1 -i %2 -filter_complex "[0]volume=0.2[1]adelay=%3|%3,volume=1[b];[0][b]amix=2" -c:v copy -ac 2 %4
+:DONE
\ No newline at end of file
diff --git a/list.txt b/list.txt
new file mode 100644
index 0000000..cd4e3dd
--- /dev/null
+++ b/list.txt
@@ -0,0 +1,2 @@
+file 'first file.mp4' 
+file 'second file.mp4' 
diff --git a/merge.bat b/merge.bat
new file mode 100644
index 0000000..cdb4ca9
--- /dev/null
+++ b/merge.bat
@@ -0,0 +1 @@
+ffmpeg -f concat -safe 0 -i list.txt -c:v copy %1
\ No newline at end of file
diff --git a/precrop.bat b/precrop.bat
new file mode 100644
index 0000000..bf62c67
--- /dev/null
+++ b/precrop.bat
@@ -0,0 +1 @@
+ffmpeg -ss %1 -i %2 -acodec copy %3
\ No newline at end of file