Add a script that removes audio from a video

bin/convert-video-avi-to-mp4

@@ -29,7 +29,7 @@ else
 fi
 
 if [[ $1 == "" || $2 == "" ]]; then
-    printf "${BOLD}${RED}Format: $0 <filename> <bitrate, e.g. \"4000k\"> <optional output name>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: $0 <filename> <bitrate, e.g. \"4000k\"> <optional output name>${NORMAL}\n"
     exit 1
 fi
 

bin/convert-video-flv-to-mp4

@@ -27,7 +27,7 @@ else
 fi
 
 if [[ $1 == "" || $2 == "" ]]; then
-    printf "${BOLD}${RED}Format: $0 <compress 1|0> <filename> <optional output name>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: $0 <compress 1|0> <filename> <optional output name>${NORMAL}\n"
     exit 1
 fi
 

bin/convert-video-mkv-to-mp4

@@ -27,7 +27,7 @@ else
 fi
 
 if [[ $1 == "" || $2 == "" ]]; then
-    printf "${BOLD}${RED}Format: $0 <compress 1|0> <filename> <optional output name>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: $0 <compress 1|0> <filename> <optional output name>${NORMAL}\n"
     exit 1
 fi
 

bin/fix-audio-in-one-channel

@@ -27,7 +27,7 @@ else
 fi
 
 if [[ $1 == "" ]]; then
-    printf "\n${BOLD}Usage: $0 <filename> <optional output name>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: $0 <filename> <optional output name>${NORMAL}\n"
     exit 1
 fi
 

bin/normalize-video-volume

@@ -29,7 +29,7 @@ else
 fi
 
 if [[ $1 == "" ]]; then
-    printf "\n${BOLD}Usage: $0 <filename> <optional output name>${NORMAL}\n"
+    printf "${BOLD}${RED}Usage: $0 <filename> <optional output name>${NORMAL}\n"
     exit 1
 fi
 

bin/remove-audio-from-video

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+
+if which tput >/dev/null 2>&1; then
+    ncolors=$(tput colors)
+fi
+if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
+    RED="$(tput setaf 1)"
+    GREEN="$(tput setaf 2)"
+    YELLOW="$(tput setaf 3)"
+    BLUE="$(tput setaf 4)"
+    MAGENTA="$(tput setaf 5)"
+    CYAN="$(tput setaf 6)"
+    BOLD="$(tput bold)"
+    NORMAL="$(tput sgr0)"
+else
+    RED=""
+    GREEN=""
+    YELLOW=""
+    BLUE=""
+    MAGENTA=""
+    CYAN=""
+    BOLD=""
+    NORMAL=""
+fi
+
+if [[ $1 == "" ]]; then
+    printf "${BOLD}${RED}Usage: $0 <filename> <optional output name>${NORMAL}\n"
+    exit 1
+fi
+
+filename=$(basename -- "$1")
+extension="${filename##*.}"
+filename="${filename%.*}"
+
+output_name="$2"
+
+if [[ $output_name == "" ]]; then
+    output="${filename}_no_audio.$extension"
+else
+    output="${output_name}.$extension"
+fi
+
+printf "\n${YELLOW}${BOLD}Removing audio from '$filename.$extension' | output: '$output'${NORMAL}\n"
+
+# -an removes the audio.
+ffmpeg -i "$filename.$extension" -c:v copy -an "$output"
+
+printf "\n${GREEN}${BOLD}Done removing audio from '$filename.$extension' | output: '$output'${NORMAL}\n\n"
+