mirror of
https://github.com/natelandau/shell-scripting-templates.git
synced 2025-11-11 22:43:47 -05:00
Think we're ready to merge back into master
This commit is contained in:
Nathaniel Landau
174
bin/convertMedia
174
bin/convertMedia
@@ -149,26 +149,23 @@ function identifyUserFile() {
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fi
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}
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function userFormat() {
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# Reads user input for format (-o, --output)
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# Override defaults with CLI
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if [ -n "$userOutput" ]; then
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outputFormat="${userOutput,,}"
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fi
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verbose "outputFormat=${outputFormat}"
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}
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function doConvert() {
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# Set the output name, format, and directory
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# ###############################################
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# Override defaults with CLI
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if [[ -n "$userOutput" ]]; then
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outputFormat="${userOutput}"
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fi
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verbose "outputFormat=${outputFormat}"
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# Set output filename
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output="$(basename "${f%.*}").$outputFormat" && verbose "output="${output}""
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# Don't convert to self if no other options set
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if [[ -z $height && -z $width && -z $videoSize && $downsize720 == "0" && "$outputFormat" == "$extension" ]]; then
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warning "Can't convert a '"${extension}"' to itself. Skipping all '"${extension}"' files."
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break
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fi
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# Add users output save directory if used
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if [[ -n "${outputDir}" ]]; then
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output="${outputDir}${output}" && verbose "output=${outputDir}${output}"
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@@ -185,6 +182,16 @@ function doConvert() {
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fi
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fi
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# Respect the 'Quiet' flag
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if [[ "${quiet}" == "1" ]]; then
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ffquiet="-loglevel quiet"
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fi
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# # Respect the 'logfile' flag
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# if [[ "${printLog}" == "1" ]]; then
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# ffmpegLog=">> ${logFile}"
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# fi
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# Invoke the conversion
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# ##################################
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@@ -201,10 +208,10 @@ function doConvert() {
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else # Use ffmpeg when XLD is set to 0
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# Respect --safe flag.
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if [[ "${safeRun}" == "1" ]]; then
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notice "ffmpeg -i "${f}" ${videoResize} ${videoCommand} ${videoAudioCommand} ${audioConvertCommand} "${output}""
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notice "ffmpeg -i "${f}" ${videoResize} ${videoCommand} ${videoAudioCommand} ${audioConvertCommand} "${output}" ${ffquiet}"
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else
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verbose "ffmpeg -i "${f}" ${videoResize} ${videoCommand} ${videoAudioCommand} ${audioConvertCommand} "${output}""
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ffmpeg -i "${f}" ${videoResize} ${videoCommand} ${videoAudioCommand} ${audioConvertCommand} "${output}"
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verbose "ffmpeg -i "${f}" ${videoResize} ${videoCommand} ${videoAudioCommand} ${audioConvertCommand} "${output}" ${ffquiet}"
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ffmpeg -i "${f}" ${videoResize} ${videoCommand} ${videoAudioCommand} ${audioConvertCommand} "${output}" ${ffquiet}
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# delete original if requested
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if [[ "${deleteOriginal}" == "1" ]]; then
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@@ -421,6 +428,13 @@ convertVideo() {
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# Do the conversion
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# ##########################
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# Don't convert to self if no other options set
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if [[ -z $height && -z $width && -z $videoSize && $downsize720 == "0" && "$outputFormat" == "$extension" ]]; then
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warning "Can't convert a '"${extension}"' to itself. Skipping all '"${extension}"' files."
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break
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fi
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doConvert # Invoke FFMpeg
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# Unset variables
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@@ -454,6 +468,11 @@ convertMusic() {
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extension="${f##*.}" # Grab file extension of input file
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informationFile="${tmpDir}/${f}.json"
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# For audio files, ensure that the user specifies an output format
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if [[ -z ${userOutput} ]]; then
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die "Please specify an output audio format using '-o, --output'"
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fi
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# JSON METADATA FOR EACH ASSET
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######################################################################
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verbose "Reading audio data and writing JSON to tmp"
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@@ -490,107 +509,71 @@ convertMusic() {
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fi
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# SET OUTPUT FORMAT
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# Default to 'mp4' for everything.
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# TODO - think through additional defaults
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# #########################################################
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# if you wanted a default target format for a specific input format,
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# you would put it here. Defaults to m4a for everything except ALAC files which
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# default to FLAC.
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case "${audioCodec}" in
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'flac') outputFormat='m4a' ;; # Convert Apple formats to ....
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'alac') outputFormat='flac' ;; # Convert Apple formats to ...
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*) outputFormat='m4a' ;;
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esac
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# SET AUDIO CODECS
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# Copy audio in compatible formats. Re-encode audio when needed
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# ###############################################################
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# Pick the best aac audio encoder
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if $(ffmpeg -version | grep enable-libfdk-aac >/dev/null); then
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aacEncoder='libfdk_aac'
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else
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aacencoder='libfaac'
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fi
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# LOSSLESS CONVERSIONS
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# Performed on any files over 320k
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#
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# note on XLD: If you have XLD installed and configured, lossless audio conversion
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# will be run using built-in XLD profiles. You can disable this by
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# changing ensuring that XLD=0 in sections below.
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#
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# #############################################################
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# ffmpeg: FLAC TO ALAC
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if [[ "${audioCodec}" == "flac" ]] && [[ "${formatBit_Rate}" -gt "320000" ]]; then
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if type_exists "xld"; then
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# Build the Conversion Command
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# ########################################
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# FLAC TO ALAC
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if [[ "${userOutput,,}" == "alac" ]]; then
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if type_exists "xlds"; then
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XLD=1
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# audioConvertCommand="--profile FLACtoALAC"
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audioConvertCommand="-f alac"
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audioConvertCommand="-f alac" && verbose "Using XLD. audioConvertCommand = -f alac"
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else
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audioConvertCommand="-acodec alac"
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audioConvertCommand="-acodec alac" && verbose "Using ffmpeg. audioConvertCommand = -acodec alac"
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outputFormat="m4a"
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fi
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fi
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# ffmpeg: ALAC TO FLAC
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if [[ "${audioCodec}" == "alac" ]] && [[ "${formatBit_Rate}" -gt "320000" ]]; then
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if type_exists "xld"; then
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elif [[ "${userOutput,,}" == "flac" ]]; then
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if type_exists "xlds"; then
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XLD=1
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audioConvertCommand="-f flac"
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audioConvertCommand="-f flac" && verbose "Using XLD. audioConvertCommand = -f flac"
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else
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audioConvertCommand="-c:a flac"
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audioConvertCommand="-c:a flac" && verbose "Using ffmpeg. audioConvertCommand = -c:a flac"
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fi
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fi
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# NON-LOSSLESS CONVERSIONS
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# ##############################################
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# Define the codec to be used
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case "${audioCodec}" in
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'flac') conversionAudioCodec='aac' ;; # Convert Apple formats to ....
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'mp3') conversionAudioCodec='aac' ;; # Convert Apple formats to ....
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'alac') conversionAudioCodec='flac' ;; # Convert Apple formats to ...
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'aac') conversionAudioCodec='aac' ;; # Convert Apple formats to ....
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*) conversionAudioCodec='aac' ;;
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esac
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# Take user specified bitrate
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if [ -n "$bitrate"]; then
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bitrate="${bitrate%k}/" # Ensure 'k' is at the end of any bitrate sent to ffmpeg
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ffmpefBitrate="-b:a $bitrate"
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fi
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# Convert to aac
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if [[ "$conversionAudioCodec" == "aac" ]]; then
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if type_exists "xld"; then
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elif [[ "${userOutput,,}" == "aac" || "${userOutput,,}" == "m4a" ]]; then
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# Pick the best aac audio encoder
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if $(ffmpeg -version | grep enable-libfdk-aac >/dev/null); then
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# set variable bit rate to '5', the highest
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aacEncoder='libfdk_aac -vbr 5' && verbose "aacEncoder = libfdk_aac -vbr 5"
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else
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aacEncoder='libfaac -q:a 400' && verbose "aacEncoder = libfaac -q:a 400"
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fi
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if type_exists "xlds"; then
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XLD=1
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audioConvertCommand="-f aac"
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audioConvertCommand="-f aac" && verbose "using xld. audioConvertCommand = -f aac "
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else
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audioConvertCommand="-acodec ${aacencoder}"
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audioConvertCommand="-acodec ${aacEncoder}" && verbose "using ffmpeg. audioConvertCommand = -acodec ${aacEncoder}"
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fi
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elif [[ "${userOutput,,}" == "mp3" ]]; then
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# Can we convert to mp3? Do we have an ffmpeg encoder?
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if $(ffmpeg -version | grep enable-libmp3lame >/dev/null); then
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mp3Encoder='libmp3lame' && verbose "mp3Encoder = libmp3lame"
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else
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warning "No workable ffmpeg mp3 encoder. Skipping ${f}..."
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breakLoop
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continue
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fi
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# Take user specified bitrate
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if [ -n "$bitrate" ]; then
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bitrate="${bitrate%k}k" # Ensure 'k' is at the end of any bitrate sent to ffmpeg
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ffmpegBitrate="-b:a $bitrate" && verbose "bitrate = ${bitrate}"
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audioConvertCommand="-acodec ${mp3Encoder} ${ffmpegBitrate}" && verbose "audioConvertCommand = -acodec ${mp3Encoder} ${ffmpegBitrate}"
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else
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audioConvertCommand="-acodec ${mp3Encoder} -qscale:a 0" && verbose "audioConvertCommand = -acodec ${mp3Encoder} -qscale:a 0"
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fi
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fi
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# Convert to mp3
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# Can we convert to mp3
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if $(ffmpeg -version | grep enable-libmp3lame >/dev/null); then
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mp3Encoder='libmp3lame'
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else
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warning "No workable ffmpeg mp3 encoder. Skipping ${f}..."
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breakLoop
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continue
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die "Unknown audio conversion format: ${outputFormat}"
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fi
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if [[ "$conversionAudioCodec" == "mp3" ]]; then
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audioConvertCommand="-acodec ${mp3Encoder} ${ffmpefBitrate}"
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fi
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# Do the conversion
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# ##########################
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doConvert # Run the conversion function
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# Unset variables
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@@ -611,6 +594,7 @@ convertMusic() {
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# Run the functions
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checkDependencies
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identifyUserFile
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userFormat
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outputDir
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convertVideo
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convertMusic
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