diff options
Diffstat (limited to 'abs/core/linhes-scripts/myth2x264')
| -rwxr-xr-x | abs/core/linhes-scripts/myth2x264 | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/abs/core/linhes-scripts/myth2x264 b/abs/core/linhes-scripts/myth2x264 new file mode 100755 index 0000000..014fcbe --- /dev/null +++ b/abs/core/linhes-scripts/myth2x264 @@ -0,0 +1,223 @@ +#!/bin/sh +# convert recording to x264 encoded avi +# version 0.6 + +# usage: +# first parameter must be %DIR%/%FILE% of the recording +# second parameter must be the desired base name of the output +# third parameter must be %CHANID% if you set USECUTLIST=Y +# fourth parameter must be %STARTTIME% if you set USECUTLIST=Y +# fifth parameter must be %JOBID% for the User Job status to be updated in MythTV +# in the mythtv setup screen invoke this script like this: +# MYTHTV User Job Command: +# /usr/LH/bin/myth2x264 "%DIR%/%FILE%" "%TITLE% - %SUBTITLE%" "%CHANID%" "%STARTTIME%" "%JOBID%" + +# options: +RESOLUTION=960:544 # to keep the source resolution use -1 or to scale down use xxx:xxx (ie 960:544) +BITRATE=2500 # use negative bitrate to set output file size in KB (ie. -700000) +USECUTLIST=Y # Y or N + +# where the converted video is stored +OUT_DIR=/myth/video + +# database settings +BACKEND_HOSTNAME=${BACKEND_HOSTNAME:-"localhost"} +DBUSERNAME=${DBUSERNAME:-"mythtv"} +DBPASSWORD=${DBPASSWORD:-"mythtv"} +SQLCMD="mysql -u $DBUSERNAME --password=$DBPASSWORD -h $BACKEND_HOSTNAME mythconverg -e" + +#------FUNCTIONS--------------- +update_comment() +# Arg_1 = COMMENT +{ +if [ $NO_JOBID = 0 ]; then + `$SQLCMD "update jobqueue set comment=\"$1\" where id=\"$JOBID\";"` +fi +} + +update_status() +# Arg_1 = status code +{ +if [ $NO_JOBID = 0 ]; then + `$SQLCMD "update jobqueue set status=\"$1\" where id=\"$JOBID\";"` +fi +} + +check_background_progress() +# check mencoder progress in background +# Arg_1 = PROGRESS CALCULATION +{ +while [ `tail -1 $STATUSFILE | grep -c "^x264 \[info\]: kb/s:"` = 0 ] +do + sleep 10 + check_myth_jobcmds + current_status=`tail -1 $STATUSFILE | grep "([ 0-9]\{1,\}%)"` + prog_percent=`echo "$current_status" | sed 's_.*(\([ 0-9][ 0-9]\)%).*_\1_'` + current_FPS=`echo "$current_status" | sed 's_.*\([ 0-9][ 0-9].[ 0-9][ 0-9]\)fps.*_\1_'` + if [ -n "$prog_percent" ]; then + prog_percent=`expr $prog_percent / $1` + echo "$prog_percent% Completed @ $current_FPS fps" + update_comment "$prog_percent% Completed @ $current_FPS fps" + fi + sleep 10 +done +} + +check_myth_jobcmds() +# check the myth database for stop pause or resume commands +{ +if [ $NO_JOBID = 0 ]; then + CURRENT_CMD=`$SQLCMD "select cmds from jobqueue where id=\"$JOBID\";" | sed '/[0-9]/!d'` + case "$CURRENT_CMD" in + # JOB_RUN + 0) ;; + # JOB_PAUSE + 1) update_status 6 + kill -s STOP $mencoder_pid ;; + # JOB_RESUME + 2) update_status 4 + `$SQLCMD "update jobqueue set cmds=\"0\" where id=\"$JOBID\";"` + kill -s CONT $mencoder_pid ;; + # JOB_STOP + 4) update_status 5 + `$SQLCMD "update jobqueue set cmds=\"0\" where id=\"$JOBID\";"` + kill -9 $mencoder_pid $command_pid + clean_up_files + echo "Encode Cancelled" >> $LOGFILE + update_status 320 + exit ;; + esac +fi +} + +get_mencoder_pid() +{ +process_name="" +i1=1 +while [ "$process_name" != "found" ]; do + if [ "`ps $mencoder_pid | grep mencoder | sed 's_.*\(mencoder\).*_\1_'`" = "mencoder" ]; then + process_name="found" + else + mencoder_pid=`expr $mencoder_pid + 1` + fi + i1=`expr $i1 + 1` + if [ $i1 -gt 20 ]; then + break + fi +done +} + +clean_up_files() +# clean up left over files +{ +unlink $TMPFILE 2> /dev/null +unlink $TMPCUTFILE 2> /dev/null +unlink $TMPCUTFILE.map 2> /dev/null +unlink $TWOPASSFILE 2> /dev/null +unlink $TWOPASSFILE.tmp 2> /dev/null +unlink $STATUSFILE 2> /dev/null +unlink $MENCODER_RETURN_CODE 2> /dev/null +unlink $MENCODER_RETURN_CODE_2 2> /dev/null +} + +#-------MAIN SCRIPT------------ + +# check if %JOBID% is passed from command line +JOBID=$5 +if [ -z "$JOBID" ]; then + NO_JOBID=1 +else + NO_JOBID=0 +fi + +# create temp filename so multiple instances won't conflict +TMPNAME=toX264-$$ +TMPFILE=/myth/tmp/$TMPNAME.avi +TMPCUTFILE=/myth/tmp/$TMPNAME.mpg +MENINPUTFILE=$1 +TWOPASSFILE=/myth/tmp/$TMPNAME-2pass.log +STATUSFILE=/myth/tmp/$TMPNAME-status.log +MENCODER_RETURN_CODE=/myth/tmp/$TMPNAME-mencoder_return_code +MENCODER_RETURN_CODE_2=/myth/tmp/$TMPNAME-mencoder_return_code_2 + +# log file location +LOGFILE=/var/log/mythtv/myth2x264.log +CDate="`date`" +echo "" >> $LOGFILE +echo $CDate >> $LOGFILE +echo "File to encode: $MENINPUTFILE Name: $2" >> $LOGFILE + +# start timer +beforetime="$(date +%s)" + +check_myth_jobcmds + +# check if using cutlist +if [ $USECUTLIST = Y ]; then + MYTHCOMMFRAMES=`mythcommflag --getcutlist -f $MENINPUTFILE | grep 'Cutlist:' | cut -d \ -f 2` + if [ -n "$MYTHCOMMFRAMES" ]; then + echo "Extracting Cutlist..." >> $LOGFILE + update_comment "Extracting Cutlist" + /usr/bin/nice -n19 /usr/bin/mythtranscode --chanid "$3" --starttime "$4" --outfile "$TMPCUTFILE" --mpeg2 --honorcutlist + MENINPUTFILE=$TMPCUTFILE + fi +fi + +# run mencoder in background to do 1st pass conversion +echo "Encoding 1st Pass at $RESOLUTION..." >> $LOGFILE +( /usr/bin/nice -n19 /usr/bin/mencoder $MENINPUTFILE -passlogfile $TWOPASSFILE \ +-oac copy -ovc x264 -vf lavcdeint,scale=$RESOLUTION \ +-x264encopts threads=auto:pass=1:turbo=1:subq=1:frameref=1:bframes=3:bitrate=$BITRATE \ +-o /dev/null > $STATUSFILE 2>&1 ; echo $? > $MENCODER_RETURN_CODE ) & +mencoder_pid=$! +command_pid=$mencoder_pid +get_mencoder_pid + +check_background_progress "2" + +# run mencoder in background to do 2nd pass conversion +echo "Encoding 2nd Pass at $RESOLUTION..." >> $LOGFILE +( /usr/bin/nice -n19 /usr/bin/mencoder $MENINPUTFILE -passlogfile $TWOPASSFILE \ +-oac copy -ovc x264 -vf lavcdeint,scale=$RESOLUTION \ +-x264encopts threads=auto:pass=2:subq=5:8x8dct:frameref=3:bframes=3:b_pyramid:weight_b:bitrate=$BITRATE \ +-o "$TMPFILE" > $STATUSFILE 2>&1 ; echo $? > $MENCODER_RETURN_CODE_2 ) & +mencoder_pid=$! +command_pid=$mencoder_pid +get_mencoder_pid + +check_background_progress "2 + 50" + +ERROR=$? + +# make output filename unique +OUTPUTFILE=$OUT_DIR/$2.avi +i=1 +while [ -e "$OUTPUTFILE" ] +do + OUTPUTFILE=$OUT_DIR/$2-$i.avi + i=`expr $i + 1` +done + +# move temp file to output location +chown mythtv "$TMPFILE" && mv "$TMPFILE" "$OUTPUTFILE" + +# stop timer +aftertime="$(date +%s)" +seconds="$(expr $aftertime - $beforetime)" + +if [ $ERROR -eq 0 ]; then + echo "File Encoded Successfully: $OUTPUTFILE" >> $LOGFILE + hours=$((seconds / 3600)) + seconds=$((seconds % 3600)) + minutes=$((seconds / 60)) + seconds=$((seconds % 60)) + echo "Encoding took $hours hour(s) $minutes minute(s) $seconds second(s) @ $current_FPS fps." >> $LOGFILE + update_status 272 + update_comment "Encode Successful. Encoding Time: $hours hour(s) $minutes minute(s) $seconds second(s)" +else + update_status 304 + update_comment "Encode Failed. Exit status: $ERROR" + echo "ERROR: $ERROR" >> $LOGFILE +fi + +clean_up_files |