LICENSE @@ -60,6 +60,11 @@ while [ -z $MKVFILE ]; do case "$1" in + "--debug" ) + # Echo commands rather than executing them + DEBUG=1 + ;; + "-e" | "--external" ) EXTERNAL=1 # Don't allow -d or -n switches if they're already set @@ -190,27 +195,45 @@ WD="/tmp" # If the track id wasn't specified via command line then search for the first DTS audio track if [ -z $DTSTRACK ]; then - DTSTRACK=$(mkvmerge -i "$MKVFILE" | grep -m 1 "audio (A_DTS)" | cut -d: -f1 | cut -d" " -f3) - - # Check to make sure there is a DTS track in the MVK - if [ -z $DTSTRACK ]; then - echo "ERROR: There are no DTS tracks in '$MKVFILE'." - exit + if [ -z $DEBUG ]; then + echo "" + echo "Find first DTS track in MKV file" + echo "> mkvmerge -i \"$MKVFILE\" | grep -m 1 \"audio (A_DTS)\" | cut -d: -f1 | cut -d " " -f3)" + else + DTSTRACK=$(mkvmerge -i "$MKVFILE" | grep -m 1 "audio (A_DTS)" | cut -d: -f1 | cut -d" " -f3) + + # Check to make sure there is a DTS track in the MVK + if [ -z $DTSTRACK ]; then + echo "ERROR: There are no DTS tracks in '$MKVFILE'." + exit + fi fi else # Checks to make sure the command line argument track id is valid - VALID=$(mkvmerge -i "$MKVFILE" | grep "Track ID $DTSTRACK: audio (A_DTS)") - - if [ -z $VALID ]; then - echo "ERROR: Track ID '$DTSTRACK' is not a DTS track and/or does not exist." - exit + if [-z $DEBUG ]; then + echo "" + echo "Checking to see if DTS track specified via arguments is valid" + echo "> mkvmerge -i \"$MKVFILE\" | grep \"Track ID $DTSTRACK: audio (A_DTS)\"" else - echo "INFO: Using alternate DTS track with ID '$DTSTRACK'" + VALID=$(mkvmerge -i "$MKVFILE" | grep "Track ID $DTSTRACK: audio (A_DTS)") + + if [ -z $VALID ]; then + echo "ERROR: Track ID '$DTSTRACK' is not a DTS track and/or does not exist." + exit + else + echo "INFO: Using alternate DTS track with ID '$DTSTRACK'" + fi fi fi # Get the language for the DTS track specified -DTSLANG=$(mkvinfo "$MKVFILE" | grep -A 12 "Track number: $DTSTRACK" | tail -n 1 | cut -d" " -f5) +if [ -z $DEBUG ]; then + echo "" + echo "Extract language from selected DTS track." + echo "> mkvinfo \"$MKVFILE\" | grep -A 12 \"Track number: $DTSTRACK\" | tail -n 1 | cut -d\" \" -f5" +else + DTSLANG=$(mkvinfo "$MKVFILE" | grep -A 12 "Track number: $DTSTRACK" | tail -n 1 | cut -d" " -f5) +fi # Setup temporary files DTSFILE="$WD/$NAME.dts" @@ -218,19 +241,31 @@ AC3FILE="$WD/$NAME.ac3" NEWFILE="$WD/$NAME.new.mkv" # Extract the DTS track -mkvextract tracks "$MKVFILE" $DTSTRACK:"$DTSFILE" +if [ -z $DEBUG ]; then + echo "" + echo "Extract DTS file from MKV." + echo "> mkvextract tracks \"$MKVFILE\" $DTSTRACK:\"$DTSFILE\"" +else + mkvextract tracks "$MKVFILE" $DTSTRACK:"$DTSFILE" +fi # Check to make sure the extraction completed successfully -if [ $? -ne 0 ]; then +if [ $? -ne 0 -a ! -z $DEBUG ]; then echo "ERROR: Extracting the DTS track failed." exit fi # Convert DTS to AC3 -dcadec -o wavall "$DTSFILE" | aften - "$AC3FILE" +if [ -z $DEBUG ]; then + echo "" + echo "Converting DTS to AC3." + echo "dcadec -o wavall \"$DTSFILE\" | aften - \"$AC3FILE\"" +else + dcadec -o wavall "$DTSFILE" | aften - "$AC3FILE" +fi # Check to make sure the conversion completed successfully -if [ $? -ne 0 ]; then +if [ $? -ne 0 -a ! -z $DEBUG ]; then echo "ERROR: Converting the DTS to AC3 failed." rm -f "$DTSFILE" #clean up @@ -240,7 +275,13 @@ fi # Remove DTS file unless explicitly keeping DTS track if [ -z $KEEPDTS ]; then - rm -f "$DTSFILE" + if [ -z $DEBUG ]; then + echo "" + echo "Removing temporary DTS file." + echo "> rm -f \"$DTSFILE\"" + else + rm -f "$DTSFILE" + fi if [ $? -ne 0 ]; then echo "WARNING: Could not delete temporary file '$DTSFILE'. Please do this manually after the script has completed." @@ -251,7 +292,7 @@ fi MKVFILESIZE=$(du "$MKVFILE" | awk '{print $1}') AC3FILESIZE=$(du "$AC3FILE" | awk '{print $1}') WDFREESPACE=$(df "$WD" | tail -n 1 | awk '{print $4}') -if [ $(($MKVFILESIZE + $AC3FILESIZE)) -gt $WDFREESPACE ]; then +if [ $(($MKVFILESIZE + $AC3FILESIZE)) -gt $WDFREESPACE -a ! -z $DEBUG ]; then echo "ERROR: There is not enough free space on '$WD' to create the new file." rm -f "$AC3FILE" #clean up @@ -301,9 +342,15 @@ else CMD="$CMD \"$AC3FILE\"" # Run it! - $CMD + if [ -z $DEBUG ]; then + echo "" + echo "Running main remux." + echo "> $CMD" + else + $CMD + fi - if [ $? -ne 0 ]; then + if [ $? -ne 0 -a ! -z $DEBUG ]; then echo "ERROR: Merging the AC3 track back into the MKV failed." rm -f "$AC3FILE" #clean up @@ -312,9 +359,14 @@ else fi # Delete AC3 file - rm -f "$AC3FILE" + if [ -z $DEBUG ]; then + echo "" + echo "Removing temporary AC3 file." + else + rm -f "$AC3FILE" + fi - if [ $? -ne 0 ]; then + if [ $? -ne 0 -a ! -z $DEBUG ]; then echo "WARNING: Could not delete temporary file '$AC3FILE'. Please do this manually after the script has completed." fi fi @@ -323,33 +375,54 @@ fi NEWFILEDEVICE=$(df "$NEWFILE" | tail -n 1 | cut -d" " -f1) DSTFILEDEVICE=$(df "$DEST" | tail -n 1 | cut -d" " -f1) +echo "Copying new file over old file. DO NOT POWER OFF OR KILL THIS PROCESS OR YOU WILL EXPERIENCE DATA LOSS!" + if [ "$NEWFILEDEVICE" = "$DSTFILEDEVICE" ]; then # If we're working on the same device just move the file over the old one - echo "Copying new file over old file. DO NOT POWER OFF OR KILL THIS PROCESS OR YOU WILL EXPERIENCE DATA LOSS!" - mv "$NEWFILE" "$MKVFILE" + if [ -z $DEBUG]; then + echo "" + echo "Moving old file over new one." + echo "> mv \"$NEWFILE\" \"$MKVFILE\"" + else + mv "$NEWFILE" "$MKVFILE" + fi else # Check there is enough free space for the new file MKVFILEDIFF=$(($(du "$NEWFILE" | awk '{print $1}') - $MKVFILESIZE)) DESTFREESPACE=$(df "$DEST" | tail -n 1 | awk '{print $4}') - if [ $MKVFILEDIFF -gt $DESTFREESPACE ]; then + if [ $MKVFILEDIFF -gt $DESTFREESPACE -a ! -z $DEBUG ]; then echo "ERROR: There is not enough free space to copy the new MKV over the old one. Free up some space and then copy '$NEWFILE' over '$MKVFILE'." exit fi # Copy our new MKV with the AC3 over the old one OR if we're using the -e # switch then this actually copies the AC3 file to the original directory - cp "$NEWFILE" "$MKVFILE" + if [ -z $DEBUG ]; then + echo "" + echo "Copying new file over the old one." + echo "> cp \"$NEWFILE\" \"$MKVFILE\"" + else + cp "$NEWFILE" "$MKVFILE" + fi # Check file sizes are equal to ensure the full file was copied - if [ [ $? -ne 0 ] -o [ $(du "$NEWFILE" | awk '{print $1}') -ne $(du "$MKVFILE" | awk '{print $1}') ] ]; then + OLDFILESIZE=$(du "$NEWFILE" | awk '{print $1}') + NEWFILESIZE=$(du "$MKVFILE" | awk '{print $1}') + if [ [ $? -ne 0 -o $OLDFILESIZE -ne $NEWFILESIZE ] -a ! -z $DEBUG ]; then echo "ERROR: There was an error copying the new MKV over the old one. You can perform this manually by copying '$NEWFILE' over '$MKVFILE'." exit fi # Remove new file in $WD - rm -f "$NEWFILE" + if [ -z $DEBUG ]; then + echo "" + echo "Remove working file." + echo "> rm -f \"$NEWFILE\"" + else + rm -f "$NEWFILE" + fi - if [ $? -ne 0 ]; then + if [ $? -ne 0 -a ! -z $DEBUG ]; then echo "WARNING: Could not delete temporary file '$NEWFILE'. Please do this manually after the script has completed." fi fi mkvdts2ac3.sh 4533709484ad5777ccd29b60ac7c256eee5cdd02 JakeWharton JakeWharton@GMail.com http://github.com/JakeWharton/mkvdts2ac3/commit/7455b41477d90104f8be970e127ffee5d20fb6ef 7455b41477d90104f8be970e127ffee5d20fb6ef 2009-04-13T10:22:25-07:00 2009-04-13T10:22:25-07:00 Added debug flag to print commands rather than execute them. 01e1f0e6e2fae9818520601eaed68e5d156ec658 JakeWharton JakeWharton@GMail.com