ffmpeg enhancement suite 2024-02-13

 

# ffmpeg concat 20230804013241 # 20231118122511: added: -metadata:s:v rotate="" # 20231128170123: $3 for additional parameters such as -an.

ffco() { ffmpeg -f concat -safe 0 $3 -i "$1" -metadata:s:v rotate="" -c copy "$2"; }

# ffco-instant from last ffmpeg file 20230914000245 # 20231118122459: added: -metadata:s:v rotate=""

ffco-instant() {

fflist; # 20231209120458: now that fflist autodetects if the text file was already modified, it can be run automatically.

ffmpeg -f concat -safe 0 $2 -i "$(fflastfile)" -metadata:s:v rotate="" -c copy "$1";

}

# ffmute - mute audio 20231123001501

ffmute() { ffmpeg -i "$1" -c:v copy -an "$2"; }

# fferror - verify integrity 20231123021438 #changed to fferror-core 20240211102245

fferror-core() { ffmpeg -v error -i "$1" -f null - ;}

fferror() { for filename in "$@"; do echo "Checking $filename for errors."; fferror-core "$filename"; done; }

# ffmpeg filelist generator 20231020044358

fflist() {

selected_file="$1"

# auto-select last file if no argument provided

if [ "$1" == "" ]; then selected_file="$(fflastfile)";fi

echo "Creating concatinated video from: $selected_file"

 

# sort file names and filter out blank lines

sort "$selected_file" |grep -v "^$" >> $selected_file.sorted

mv "${selected_file}.sorted" "$selected_file"

 

if [[ $(head -n 1 $selected_file) == "file '"* ]]; then return 1; fi # return if file already modified

sed -i -r "s/([^#]+)/file '\1'/g" "$selected_file"; # make file list digestable for ffmpeg concat, exclude comments with "#"

}

# return last text file for concatenation

fflastfile() { ls -t -1 ~/Documents/massdmp/ffmpeg* |head -n 1; }

 

# mediainfo table 20231130012905 (Filter out useless audio "frame rate" first)

mediainfotable() { mediainfo "$@" |grep -v "Frame rate.*SPF" |grep -P "(name|Width|Height|Frame rate )" |tr '\n' ' ' |sed -r 's/FPS/FPS\n/g' |sed -r "s/( )+//g"; }

# redact geotag from video for privacy 20231203215921

gpsnull() { sed -i -r "s/\+[0-9][0-9]\.[0-9][0-9][0-9][0-9]\+[0-9][0-9][0-9]\.[0-9][0-9][0-9][0-9]\//+00.0000+000.0000\//g" "$@"; }

gpsnull_exif() { exiftool -gps:all="" "$@"; } # for pictures 20231218172111

 

# only list time stamp and file name

lstimestamp() { ls -l --full-time "$@" | sed -r "s/\*//g" |sed -r "s/\.000000000//g" |sed -r "s/^.* (2[0-9][0-9][0-9]-)/\1/g"; }

 

 

 

# mediainfo get videos by resolution 20240121043425

 

lsvideoheight_core() {

# $1 = height

# $2 = current file name

mediainfo_result=$(mediainfo "$2" |egrep "(Complete name|Height.*: $1)");

mediainfo_height=$(echo "$mediainfo_result" | tail -n 1 )

if ( [[ $mediainfo_height == *"$1"* ]] ); # if video height matches

then { echo "$mediainfo_result" | head -n 1 | grep "$2" |sed -r "s/^.*: //g"; }; fi # remove everything except the file path

}

 

 

lsvideoheight() {

# Iterate though multiple files.

# Two separate loops because arguments containing file names with spaces can not be passed through a variable containing either all files in the current directory or all specified files, because they would be stringified into one argument.

 

argument_count=0; # for loop skips over first argument with video height

if [[ "$2" == "" ]]; then # no file specified = list all in current directory

for current_filename in "" *; # blank dummy string so files start at second argument; not using "${@:2}" for sh compatibility

do { if (test $argument_count -ge 1 ); then lsvideoheight_core "$1" "$current_filename"; fi;

argument_count=$(( argument_count + 1 ));

}

done

else # list specified file names

for current_filename in "$@";

do { if (test $argument_count -ge 1 ); then lsvideoheight_core "$1" "$current_filename"; fi;

argument_count=$(( argument_count + 1 ));

}

done

fi

}

 

ls4320p() { lsvideoheight "2 160" "$@"; } # 8K

ls2160p() { lsvideoheight "2 160" "$@"; } # 4K

ls1440p() { lsvideoheight "1 440" "$@"; } # QHD / WQHD

ls1080p() { lsvideoheight "1 080" "$@"; } # Full HD

ls720p() { lsvideoheight "720" "$@"; } # HD

ls480p() { lsvideoheight "480" "$@"; } # HQ ("high quality") / SD ("standard definition")

 

# aliases

alias ls8K=ls4320p;

alias ls4K=ls2160p;

alias lsUHD=ls2160p;

alias lsQHD=ls1440p;

alias lsFHD=ls1080p;

alias lsHD=ls720p;

# no alias for 480p because the abbreviations "HQ" and "SD" have ambiguous meanings such as "SD card".