2e3ce0aed1
git-svn-id: file:///root/webif/svn/pkg/webif/trunk@2383 2a923420-c742-0410-a762-8d5b09965624
749 lines
16 KiB
Plaintext
Executable File
749 lines
16 KiB
Plaintext
Executable File
#!/mod/bin/jimsh
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source /mod/webif/lib/setup
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require lock system.class ts.class pretty_size browse.class \
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safe_delete settings.class plugin
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set settings [settings]
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set loglevel [$settings autolog]
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set audiomp3 [$settings audiomp3]
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set modules {decrypt dedup shrink mpg mp3 expire}
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if {![acquire_lock webif_auto]} {
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puts "Cannot acquire exclusive lock, terminating."
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exit
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}
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set logfile "/mod/tmp/auto.log"
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# Rotate log file if large enough.
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if {[file exists $logfile] && [file size $logfile] > 2097152} {
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file copy -force $logfile "/mod/tmp/auto_old.log"
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file delete $logfile
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}
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if {[lindex $argv 0] eq "-d"} {
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set argv [lrange $argv 1 end]
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set loglevel 2
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set logfd stdout
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} else {
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set logfd [open "/mod/tmp/auto.log" "a+"]
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}
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proc log {msg {level 1}} {
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if {$level > $::loglevel} return
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puts $::logfd "[system logtimestamp] - $msg"
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flush $::logfd
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}
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proc elapsed {start} {
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return $(([clock milliseconds] - $start) / 1000.0)
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}
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proc startclock {} {
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set ::startclock_s [clock milliseconds]
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}
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proc endclock {size} {
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set el [elapsed $::startclock_s]
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set rate $($size / $el)
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return "[pretty_size $size] in $el seconds - [pretty_size $rate]/s"
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}
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foreach mod $modules {
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set "hook_pre${mod}scan" {}
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set "hook_pre$mod" {}
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set "hook_post$mod" {}
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set "hook_post${mod}scan" {}
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}
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proc register {type fn {priority 50}} {
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global "hook_$type"
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if {[info exists "hook_$type"]} {
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lappend "hook_$type" [list $fn $priority]
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log "Registered $fn for $type hook with priority $priority." 1
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} else {
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log "Unknown hook hook_$type" 0
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}
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}
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proc runplugin {name {ts 0}} {
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set var "hook_$name"
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global $var
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foreach p [lsort -index end -decreasing -integer [subst $$var]] {
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lassign $p fn priority
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log "Running $name plugin $fn (priority $priority)" 2
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if {[catch {uplevel 1 $fn $ts} msg]} {
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log "Plugin error: $msg" 0
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}
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}
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}
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eval_plugins auto
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set scanstart [clock milliseconds]
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log "-------------------------------------------------------"
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# is_listening is relatively expensive so it is checked once globally at
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# the start and then if the server is not listening then no decrypt
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# operations will be attempted for this run, even if the server starts
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# up halfway through. Otherwise the server is checked for every decryption
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# and if it goes away then decryption will not be attempted for the rest
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# of the run.
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if {[system is_listening 9000]} {
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set dlnaok 1
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log "DLNA Server is running." 2
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} else {
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set dlnaok 0
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log "DLNA Server is NOT running." 2
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}
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log "Media scan starting, DLNA server status: $dlnaok"
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proc dsc {{size 0}} {
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set free [system diskfree]
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# Required disk space is 1GiB + 3 times the file size.
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set req $($size * 3 + 1073741824)
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if {$free < $req} {
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log "Insufficient disk space. Require=$req, Free=$free" 0
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exit
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}
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}
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dsc
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set tmp "/mod/tmp/webif_auto"
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if {![file exists $tmp]} {
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if {[catch {file mkdir $tmp} msg]} {
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log "Cannot create temporary directory - $tmp ($msg)" 0
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exit
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}
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} elseif {![file isdirectory $tmp]} {
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log "Cannot create temporary directory - $tmp (file exists)" 0
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exit
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}
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# Clean-up the temporary directory
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foreach file [readdir -nocomplain $tmp] { file tdelete "$tmp/$file" }
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if {[system pkginst undelete]} {
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set dustbin "[system dustbin]"
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} else {
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set dustbin ""
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}
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log "Dustbin: $dustbin" 2
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set recalc 0
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proc dorecalc {dir} {
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global recalc
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if {!$recalc} return
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log "Running unwatched recalculation for $dir" 2
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ts resetnew $dir
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incr recalc -1
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}
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proc startop {op file} {
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global tmp
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set fp [open "$tmp/.op" "w"]
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puts $fp "$op:$file"
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$fp close
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}
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proc endop {} {
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global tmp
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file delete "$tmp/.op"
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}
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proc dedup {dir} {
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log "DEDUP: \[$dir]" 2
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loop i 0 1 {
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foreach line [split \
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[exec /mod/webif/html/dedup/dedup -yes -auto $dir] "\n"] {
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log $line 2
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}
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}
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incr ::recalc
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}
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proc do_shrink {ts} {
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global tmp dustbin tsgroup processed_files
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set file [$ts get file]
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if {[$ts flag "Shrunk"]} {
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log " $file - already shrunk." 2
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return
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}
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# If the directory is flagged for decryption as well as shrink
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# then check to see if decryption has already occured. If not,
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# defer the shrink for now.
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set dir [file dirname $file]
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if {[file exists "$dir/.autodecrypt"] || [scanup $dir decrypt] == 1} {
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log " $dir is also set for decryption." 2
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if {[$ts flag "ODEncrypted"]} {
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log " $file - deferring shrink until decrypted." 1
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return
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}
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}
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set file [file rootname [$ts get file]]
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if {[$ts inuse]} {
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log " $file - in use." 2
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return
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}
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if {[catch {
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set perc [exec /mod/bin/stripts -aq $file]
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} msg]} {
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log " Error: $msg" 0
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return
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}
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if {[string match {*%} $perc]} {
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set perc [string range $perc 0 end-1]
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} else {
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set perc 0
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}
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if {$perc == 0} {
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log " $file - already shrunk." 2
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$ts set_shrunk
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return
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}
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set size [$ts size]
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dsc $size
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startop shrink [$ts get file]
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runplugin preshrink $ts
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startclock
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log " SHRINK: $file" 0
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log " Estimate $perc% saving." 0
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log " Shrinking..." 0
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if {[catch {
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foreach line [split \
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[exec nice -n 19 /mod/bin/stripts -q $file $tmp/shrunk] \
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"\n"] {
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log $line 0
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}
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} msg]} {
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log "Error during shrink: $msg" 0
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system notify "$file - auto-shrink - error $msg."
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endop
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return
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}
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# The following steps are structured to minimise the risk of
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# things being left in an inconsistent state if the system goes
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# into standby. Renames within the same filesystem are very
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# quick so the risk is small, but even so...
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# Move the shrunken version back to the local directory.
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foreach f [glob "$tmp/shrunk.*"] {
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set ext [file extension $f]
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file rename $f "${file}_shrunk${ext}"
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# Set the file time to match the old file
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file touch "${file}_shrunk${ext}" [$ts get file]
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}
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# Remove the old recording (-> bin if undelete is installed)
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safe_delete [$ts get file] "webif_autoshrink"
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# Finally, rename the shrunken recording again.
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foreach ext $tsgroup {
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set f "${file}_shrunk.$ext"
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if {[file exists $f]} {
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file rename $f "${file}.$ext"
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}
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}
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$ts set_shrunk
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log "Done... [endclock $size]" 0
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lappend processed_files [$ts get file]
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runplugin postshrink $ts
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endop
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}
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proc do_decrypt {ts} {
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global tmp dustbin processed_files
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set file [$ts get file]
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set rfile [file rootname $file]
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set bfile [file tail $file]
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if {![$ts flag "ODEncrypted"]} {
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log " $file - Already decrypted." 2
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return
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}
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if {[$ts flag "Encrypted"]} {
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log " $file - Protected (Enc flag)." 2
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return
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}
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if {![system is_listening 9000]} {
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log " $file - DLNA Server not running." 2
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set ::dlnaok 0
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return
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}
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if {[$ts inuse]} {
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log " $file - In use."
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return
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}
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# Check that the file is not already decrypted by analysing it.
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set anencd [exec /mod/bin/stripts -qE $rfile]
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if {$anencd != "1"} {
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log " $file - already decrypted but the HMT flag is wrong." 0
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# Fix...
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exec /mod/webif/lib/bin/fixencflags $file
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return
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}
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lassign [$ts dlnaloc "127.0.0.1"] url
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if {$url ne ""} {
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log " $file - has been indexed."
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set helper 0
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} else {
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log " $file - Not yet indexed, trying helper."
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lassign [system dlnahelper [file normalize $file]] url
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if {$url eq ""} {
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log " $file - Can't use helper."
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return
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}
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set helper 1
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}
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# Perform the decryption by requesting the file from the DLNA server.
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set size [$ts size]
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dsc $size
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runplugin predecrypt $ts
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startop dec $file
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startclock
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log " DECRYPT: $rfile" 0
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log " DLNA: $url" 0
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exec wget -O "$tmp/$bfile" $url
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# Release the helper lock once finished.
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if {$helper} { system dlnahelper -release }
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if {[file size $file] != [file size "$tmp/$bfile"]} {
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log " $file - File size mismatch." 0
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file tdelete "$tmp/$bfile"
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endop
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return
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}
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# Check if the file is in use. It is possible that the file is
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# now being played even though it was free when decryption started.
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if {[$ts inuse]} {
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log " $file - In use."
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file tdelete "$tmp/$bfile"
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endop
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return
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}
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# Copy the HMT file over for stripts
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set thmt "$tmp/[file rootname $bfile].hmt"
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file copy "$rfile.hmt" $thmt
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# Check that the file is no longer encrypted by analysing it.
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set anencd [exec /mod/bin/stripts -qE "$tmp/[file rootname $bfile]"]
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file delete $thmt
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if {$anencd != "0"} {
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log " $file - File did not decrypt properly." 0
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system notify "$file - auto-decrypt failed."
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file tdelete "$tmp/$bfile"
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endop
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return
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}
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# Move the encrypted file out of the way.
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file rename $file "$rfile.encrypted"
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# Move the decrypted copy into place.
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file rename "$tmp/$bfile" $file
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# Set the file time to match the old file
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file touch $file "$rfile.encrypted"
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# Patch the HMT - quickest way to get back to a playable file.
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exec /mod/bin/hmt -encrypted "$rfile.hmt"
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log " Removing/binning old copy." 0
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# Move the old recording to the bin if undelete is installed.
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if {$dustbin ne ""} {
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set bin [_del_bindir $file "webif_autodecrypt"]
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set tail [file tail $rfile]
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file rename "$rfile.encrypted" "$bin/$tail.ts"
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foreach ext {nts hmt thm} {
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if {[file exists "$rfile.$ext"]} {
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file copy $rfile.$ext "$bin/$tail.$ext"
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if {$ext eq "hmt"} {
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# Patch the binned HMT back
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exec /mod/bin/hmt +encrypted \
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"$bin/$tail.hmt"
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}
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}
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}
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} else {
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file tdelete "$rfile.encrypted"
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}
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log "Done... [endclock $size]" 0
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lappend processed_files [$ts get file]
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runplugin postdecrypt $ts
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endop
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}
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proc do_mpg {ts} {
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global tmp tsgroup processed_files
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set file [file rootname [$ts get file]]
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if {[file exists $file.mpg]} {
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# Already done.
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return
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}
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if {[$ts flag "ODEncrypted"]} {
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log " $file - Not decrypted." 2
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return
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}
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if {[$ts get definition] eq "HD"} {
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# Cannot extract a useful MPG from a HD recording.
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return
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}
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if {[$ts inuse]} {
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log " $file - In use."
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return
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}
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startop mpg [$ts get file]
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runplugin prempg $ts
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dsc [$ts size]
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log " MPG: $file" 0
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log " Converting..." 0
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if {[catch {
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foreach line [split \
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[exec nice -n 19 /mod/bin/ffmpeg -y -benchmark -v 0 \
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-i $file.ts \
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-map 0:0 -map 0:1 \
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-vcodec copy -acodec copy $tmp/mpg.mpg] "\n"] {
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log $line 0
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}
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} msg]} {
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log "Error during mpg extract: $msg" 0
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system notify "$file - auto-mpg - error $msg."
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endop
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return
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}
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# Move the MPG into the local directory
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file rename $tmp/mpg.mpg $file.mpg
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lappend processed_files [$ts get file]
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runplugin postmpg $ts
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endop
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}
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proc do_mp3 {ts} {
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global tmp tsgroup processed_files
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set file [file rootname [$ts get file]]
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if {[file exists $file.mp3]} {
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# Already done.
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return
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}
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if {[$ts flag "ODEncrypted"]} {
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log " $file - Not decrypted." 2
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return
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}
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if {[$ts get definition] eq "HD"} {
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# Cannot extract a useful MP3 from a HD recording.
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log " $file - High definition." 2
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return
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}
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if {[$ts inuse]} {
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log " $file - In use."
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return
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}
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startop mp3 [$ts get file]
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runplugin premp3 $ts
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dsc [$ts size]
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log " MP3: $file" 0
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log " Converting... [$::settings audiomp3descr $::audiomp3]" 0
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if {[catch {
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set cmd [list nice -n 19 \
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/mod/bin/ffmpeg -y -benchmark -v 0 -i "$file.ts" \
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-f mp3 -vn]
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if {!$::audiomp3} { lappend cmd -acodec copy }
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lappend cmd "$tmp/mp3.mp3"
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foreach line [split [exec {*}$cmd] "\n"] {
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log $line 0
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}
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} msg]} {
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log "Error during mp3 extract: $msg" 0
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system notify "$file - auto-mp3 - error $msg."
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endop
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return
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}
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if {[system pkginst id3v2]} {
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log [exec /mod/bin/id3v2 \
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--song "[$ts get title]" \
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--comment "[$ts get synopsis]" \
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--album "[$ts get channel_name]" \
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--year "[clock format [$ts get start] -format {%Y}]" \
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"$tmp/mp3.mp3"] 0
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}
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# Move the MP3 into the local directory
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file rename $tmp/mp3.mp3 $file.mp3
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lappend processed_files [$ts get file]
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runplugin postmp3 $ts
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endop
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}
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proc entries {dir callback} {
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foreach entry [readdir -nocomplain $dir] {
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if {![string match {*.ts} $entry]} continue
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if {[catch {set ts [ts fetch "$dir/$entry"]}]} continue
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if {$ts == 0} continue
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$callback $ts
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}
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}
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proc shrink {dir} {
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log "SHRINK: \[$dir]" 2
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entries $dir do_shrink
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}
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proc decrypt {dir} {
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log "DECRYPT: \[$dir]" 2
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if {$::dlnaok} { entries $dir do_decrypt }
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}
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proc mpg {dir} {
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log "MPG: \[$dir]" 2
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entries $dir do_mpg
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}
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proc mp3 {dir} {
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log "MP3: \[$dir]" 2
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entries $dir do_mp3
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}
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proc expire {dir} {
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log "EXPIRE: \[$dir]" 2
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# type 0 keep {} days 2 keepnew 0
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set ax [dir expiry $dir]
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log " $ax" 2
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if {![string is integer -strict $ax(keep)]} { set ax(keep) 0 }
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if {![string is integer -strict $ax(days)]} { set ax(days) 0 }
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if {!$ax(keep) && !$ax(days)} {
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log "Expire error ($dir): neither keep nor days set ($ax)" 0
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return
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}
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if {$ax(type) eq "0"} {
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set getter [lambda {ts} { list [$ts get end] }]
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} else {
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set getter [lambda {ts} { list [$ts lastmod] }]
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}
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|
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set entries [lsort \
|
|
-command [lambda {a b} {upvar getter g; expr [$g $a] - [$g $b]}]\
|
|
[lmap i [readdir -nocomplain $dir] {
|
|
if {![string match {*.ts} $i]} continue
|
|
if {[catch {set ts [ts fetch "$dir/$i"]}]} continue
|
|
if {$ts == 0} continue
|
|
list $ts
|
|
}]]
|
|
|
|
# Entries are now sorted with oldest first, according to the selected
|
|
# criterion.
|
|
|
|
set num [llength $entries]
|
|
log " Entries: $num" 2
|
|
foreach e $entries { log " [file tail [$e get file]]" 2 }
|
|
|
|
set now [clock seconds]
|
|
foreach ts $entries {
|
|
set file [$ts get file]
|
|
if {$num <= $ax(keep)} {
|
|
log " Remaining ($num) <= keep ($ax(keep))" 2
|
|
break
|
|
}
|
|
log " [file tail $file]"
|
|
if {[$ts inuse]} {
|
|
log " In use, skipping."
|
|
continue
|
|
}
|
|
if {$ax(keepnew) ne "0" && [$ts flag New]} {
|
|
log " Unwatched, skipping."
|
|
continue
|
|
}
|
|
if {$ax(days) > 0} {
|
|
# Calculate age in days
|
|
set age $(($now - [$getter $ts]) / 86400.0)
|
|
log " $age days (cf. $ax(days))"
|
|
if {$age < $ax(days)} {
|
|
log " Too new, skipping."
|
|
continue
|
|
}
|
|
}
|
|
log " Removing."
|
|
runplugin preexpire $ts
|
|
if {![safe_delete $file]} {
|
|
log "Unknown error in safe_delete, aborting." 0
|
|
break
|
|
}
|
|
log " EXPIRE: removed $file" 0
|
|
runplugin postexpire $ts
|
|
incr ::recalc
|
|
incr num -1
|
|
}
|
|
}
|
|
|
|
proc scan_run {dir flag callback} {
|
|
global dustbin
|
|
|
|
if {$dir eq $dustbin} return
|
|
|
|
if {[string match {\[*} [file tail $dir]]} return
|
|
|
|
if {[file exists "$dir/.$flag"]} { $callback $dir }
|
|
|
|
foreach entry [readdir -nocomplain $dir] {
|
|
if {[file isdirectory "$dir/$entry"]} {
|
|
scan_run "$dir/$entry" $flag $callback
|
|
}
|
|
}
|
|
}
|
|
|
|
proc xscan {dir attr {force 0} {recurse 1}} {{indent 0}} {
|
|
global dustbin
|
|
|
|
incr indent 2
|
|
|
|
log "[string repeat " " $indent]\[$dir]" 2
|
|
|
|
if {$dir eq $dustbin} {
|
|
log "Dustbin, skipping." 2
|
|
incr indent -2
|
|
return
|
|
}
|
|
|
|
if {[string match {\[*} [file tail $dir]]} {
|
|
# Special folder
|
|
file stat "$dir/" st
|
|
if {$st(dev) != $::rootdev} {
|
|
log "Special folder on different device, skipping." 2
|
|
incr indent -2
|
|
return
|
|
}
|
|
if {$force} {
|
|
set force 0
|
|
log "Special folder, overriding recursion." 2
|
|
}
|
|
}
|
|
|
|
# Recursion
|
|
if {!$force && [file exists "$dir/.auto${attr}r"]} {
|
|
log "[string repeat " " $indent] (R)" 2
|
|
set force 1
|
|
}
|
|
|
|
dsc
|
|
|
|
if {$force || [file exists "$dir/.auto$attr"]} { $attr $dir }
|
|
|
|
foreach entry [readdir -nocomplain $dir] {
|
|
if {$recurse && [file isdirectory "$dir/$entry"]} {
|
|
xscan "$dir/$entry" $attr $force
|
|
}
|
|
}
|
|
|
|
dorecalc $dir
|
|
|
|
incr indent -2
|
|
}
|
|
|
|
proc scanup {dir flag} {
|
|
global root
|
|
|
|
set rl [string length $root]
|
|
while {[string length $dir] >= $rl} {
|
|
if {[string match {\[*} [file tail $dir]]} {
|
|
return -1
|
|
}
|
|
if {[file exists "$dir/.auto${flag}r"]} {
|
|
log "scanup: Found ${flag}r ($dir)" 2
|
|
return 1
|
|
}
|
|
set dir [file dirname $dir]
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
proc scansingle {dirs} {
|
|
global modules root
|
|
|
|
foreach dir $dirs {
|
|
log "Scanning single directory '$dir'"
|
|
foreach arg $modules {
|
|
set st [clock milliseconds]
|
|
set sup [scanup $dir $arg]
|
|
if {$sup == -1} {
|
|
log "Encountered special directory."
|
|
break
|
|
}
|
|
xscan $dir $arg $sup 0
|
|
log "$arg scan completed in [elapsed $st] seconds."
|
|
}
|
|
}
|
|
}
|
|
|
|
set root [system mediaroot]
|
|
file stat "$root/" rootstat
|
|
set rootdev $rootstat(dev)
|
|
log "Root device: $rootdev" 2
|
|
|
|
if {[lindex $argv 0] eq "-single"} {
|
|
scansingle [lrange $argv 1 end]
|
|
} elseif {[llength $argv] > 0} {
|
|
set loglevel 2
|
|
foreach arg $argv {
|
|
set st [clock milliseconds]
|
|
log "$arg scan starting."
|
|
set processed_files {}
|
|
runplugin "pre${arg}scan"
|
|
xscan $root $arg
|
|
runplugin "post${arg}scan" processed_files
|
|
log "$arg scan completed in [elapsed $st] seconds."
|
|
}
|
|
} else {
|
|
foreach arg $modules {
|
|
set st [clock milliseconds]
|
|
log "$arg scan starting."
|
|
set processed_files {}
|
|
runplugin "pre${arg}scan"
|
|
xscan $root $arg
|
|
runplugin "post${arg}scan" processed_files
|
|
log "$arg scan completed in [elapsed $st] seconds."
|
|
}
|
|
}
|
|
|
|
release_lock webif_auto
|
|
|
|
log "Media scan completed in [elapsed $scanstart] seconds."
|
|
|