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authorCecil Hugh Watson <knoppmyth@gmail.com>2009-09-26 01:57:08 (GMT)
committerCecil Hugh Watson <knoppmyth@gmail.com>2009-09-26 01:57:08 (GMT)
commit7b29169fff9e7c624890c5edffe85def8a293136 (patch)
tree47753889faa3a2063b66d1c7e7681e703eb1b39a /abs/core/linhes-scripts/myth2x264
parentc491dea779dac29afff3578bf8245943817c2339 (diff)
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LinHES 6.01.00
Diffstat (limited to 'abs/core/linhes-scripts/myth2x264')
-rwxr-xr-xabs/core/linhes-scripts/myth2x264223
1 files changed, 223 insertions, 0 deletions
diff --git a/abs/core/linhes-scripts/myth2x264 b/abs/core/linhes-scripts/myth2x264
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+#!/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