func main() {
doHelp := false
flag.BoolVar(&doHelp, "help", false, "Display usage info.")
flag.Parse()
if doHelp || flag.NArg() != 1 {
fmt.Println("Usage: info <file>")
return
}
str := flag.Arg(1)
v, err := vlc.New()
if err != nil {
fmt.Println("vlc.New():", err)
return
}
m, err := v.MediaNewPath(str)
if err != nil {
fmt.Println("vlc.MediaNewPath:", err)
return
}
m.Parse()
err = vlc.LastError()
if err != nil {
fmt.Println("media.Parse():", err)
return
}
player, err := v.NewPlayer()
if err != nil {
fmt.Println("vlc.NewPlayer():", err)
return
}
player.SetMedia(m)
err = player.Play()
if err != nil {
fmt.Println("player.Play():", err)
return
}
for k, t := range vlc.MetaTags {
v := m.GetMeta(t)
err = vlc.LastError()
if err != nil {
fmt.Println("media.GetMeta():", err)
return
}
fmt.Println(k, ":", v)
}
time.Sleep(time.Second * 20)
fmt.Println("end.")
}
func (d *DB) Update() {
// keep file base up to date
searchPath := config.Current.MediaPath
if strings.Contains(searchPath, "~") {
user, err := osuser.Current()
if err != nil {
log.Log.Println("Error getting user home directory:", err)
return
}
searchPath = strings.Replace(searchPath, "~", user.HomeDir, -1)
}
if _, err := os.Stat(searchPath); os.IsNotExist(err) {
log.Log.Println("Error: Music path", searchPath, "does not exist!")
return
}
d.db.LogMode(false)
tx := d.db.Begin()
up := &updater{
job: d.c.RegisterJob(),
tx: make(chan *gorm.DB, 1),
allFiles: make(chan entry, bufferSize),
newFiles: make(chan entry, bufferSize),
importFiles: make(chan entry, bufferSize),
success: make(chan bool),
stopStepping: make(chan bool, 1),
}
up.tx <- tx
var err error
up.vlc, err = vlc.New()
if err != nil {
log.Log.Println("Could not init libVLC", err)
return
}
go func() {
err := filepath.Walk(searchPath, up.step)
if err != nil && err != ErrorTerminate {
log.Log.Println("Updater error:", err)
}
close(up.allFiles)
}()
// filter out ignored
go func(input, output chan entry) {
for entry := range input {
up.numAllFiles++
//TODO do something with the cover jpgs
do := false
for _, v := range Types {
if strings.HasSuffix(entry.Filename, v) {
do = true
break
}
}
if do {
output <- entry
}
}
close(output)
}(up.allFiles, up.importFiles)
// filter out already inserted files
go func(input, output chan entry) {
for entry := range input {
up.numImportFiles++
//fmt.Println("seen filter gets:", entry)
// check if we already did this one
tx := <-up.tx
var c int
err := tx.Table(ItemTable).
//Joins("JOIN " + FolderTable + " ON " +
//FolderTable + ".id = " + ItemTable + ".folder_id").
//Where(entry).
Where("filename = ? AND folder_id = (SELECT id FROM "+FolderTable+
" WHERE path = ?)", entry.Filename, entry.Path).
Count(&c).Error
if err != nil {
if strings.Contains(err.Error(), "no rows in result set") {
log.Log.Println("this should not happen.")
up.tx <- tx
continue
}
log.Log.Println("sql error:", err)
up.success <- false
} else {
up.tx <- tx
}
if c != 0 {
// this one is already in the db
//TODO check if the tags have changed anyway
//log.Log.Println("skipping", entry)
} else {
//log.Log.Println("not skipping", entry)
output <- entry
}
}
close(output)
}(up.importFiles, up.newFiles)
// analyze remaining files
go func(input chan entry, success chan bool) {
for entry := range input {
up.numNewFiles++
err := up.analyze(path.Join(entry.Path, entry.Filename),
entry.Path, entry.Filename)
if err != nil {
up.numFailedFiles++
fmt.Println("import error: ", err)
}
}
up.success <- true
close(up.success)
}(up.newFiles, up.success)
success := true
for v := range up.success {
if !v {
up.stopStepping <- true
success = false
log.Log.Println("Rolling back...")
if err := tx.Rollback().Error; err != nil {
log.Log.Println("rollback error:", err)
}
break
}
}
if success {
tx := <-up.tx
log.Log.Println("Committing imported files...")
if err := tx.Commit().Error; err != nil {
log.Log.Println("Updater error:", err)
}
}
d.db.LogMode(false)
log.Log.Println("Filebase updated:",
"\nTotal Files: ", up.numAllFiles,
"\nNon-ignored Files:", up.numImportFiles,
"\nNew Files: ", up.numNewFiles,
"\nImported Files: ", up.numImportedFiles,
"\nInvalid/Non-media:", up.numInvalidFiles,
"\nFailed Files: ", up.numFailedFiles)
d.c.UnregisterJob(up.job)
}