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feat(meta): add main options

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pull/43/head
Unlock Music Dev 2 years ago
parent fd6f830916
commit f3cbd2f3b4
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GPG Key ID: 95202E10D3413A1D
1 changed files with 58 additions and 42 deletions
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100
cmd/um/main.go
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@ -50,7 +50,9 @@ func main() {
&cli.StringFlag{Name: "output", Aliases: []string{"o"}, Usage: "path to output dir", Required: false},
&cli.BoolFlag{Name: "remove-source", Aliases: []string{"rs"}, Usage: "remove source file", Required: false, Value: false},
&cli.BoolFlag{Name: "skip-noop", Aliases: []string{"n"}, Usage: "skip noop decoder", Required: false, Value: true},
&cli.BoolFlag{Name: "supported-ext", Usage: "Show supported file extensions and exit", Required: false, Value: false},
&cli.BoolFlag{Name: "update-metadata", Usage: "update metadata & album art from network", Required: false, Value: false},
&cli.BoolFlag{Name: "supported-ext", Usage: "show supported file extensions and exit", Required: false, Value: false},
},
Action: appMain,
@ -105,9 +107,6 @@ func appMain(c *cli.Context) (err error) {
}
}
skipNoop := c.Bool("skip-noop")
removeSource := c.Bool("remove-source")
inputStat, err := os.Stat(input)
if err != nil {
return err
@ -125,18 +124,30 @@ func appMain(c *cli.Context) (err error) {
return errors.New("output should be a writable directory")
}
proc := &processor{
outputDir: output,
skipNoopDecoder: c.Bool("skip-noop"),
removeSource: c.Bool("remove-source"),
updateMetadata: c.Bool("update-metadata"),
}
if inputStat.IsDir() {
return dealDirectory(input, output, skipNoop, removeSource)
return proc.processDir(input)
} else {
allDec := common.GetDecoder(inputStat.Name(), skipNoop)
if len(allDec) == 0 {
logger.Fatal("skipping while no suitable decoder")
}
return tryDecFile(input, output, allDec, removeSource)
return proc.processFile(input)
}
}
func dealDirectory(inputDir string, outputDir string, skipNoop bool, removeSource bool) error {
type processor struct {
outputDir string
skipNoopDecoder bool
removeSource bool
updateMetadata bool
}
func (p *processor) processDir(inputDir string) error {
items, err := os.ReadDir(inputDir)
if err != nil {
return err
@ -145,14 +156,9 @@ func dealDirectory(inputDir string, outputDir string, skipNoop bool, removeSourc
if item.IsDir() {
continue
}
allDec := common.GetDecoder(item.Name(), skipNoop)
if len(allDec) == 0 {
logger.Info("skipping while no suitable decoder", zap.String("file", item.Name()))
continue
}
filePath := filepath.Join(inputDir, item.Name())
err := tryDecFile(filePath, outputDir, allDec, removeSource)
err := p.processFile(filePath)
if err != nil {
logger.Error("conversion failed", zap.String("source", filePath), zap.Error(err))
}
@ -160,7 +166,15 @@ func dealDirectory(inputDir string, outputDir string, skipNoop bool, removeSourc
return nil
}
func tryDecFile(inputFile string, outputDir string, allDec []common.NewDecoderFunc, removeSource bool) error {
func (p *processor) processFile(filePath string) error {
allDec := common.GetDecoder(filePath, p.skipNoopDecoder)
if len(allDec) == 0 {
logger.Fatal("skipping while no suitable decoder")
}
return p.process(filePath, allDec)
}
func (p *processor) process(inputFile string, allDec []common.NewDecoderFunc) error {
file, err := os.Open(inputFile)
if err != nil {
return err
@ -199,34 +213,36 @@ func tryDecFile(inputFile string, outputDir string, allDec []common.NewDecoderFu
audio := io.MultiReader(header, dec)
params.AudioExt = sniff.AudioExtensionWithFallback(header.Bytes(), ".mp3")
if audioMetaGetter, ok := dec.(common.AudioMetaGetter); ok {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
// since ffmpeg doesn't support multiple input streams,
// we need to write the audio to a temp file.
// since qmc decoder doesn't support seeking & relying on ffmpeg probe, we need to read the whole file.
// TODO: support seeking or using pipe for qmc decoder.
params.Audio, err = utils.WriteTempFile(audio, params.AudioExt)
if err != nil {
return fmt.Errorf("updateAudioMeta write temp file: %w", err)
}
defer os.Remove(params.Audio)
if p.updateMetadata {
if audioMetaGetter, ok := dec.(common.AudioMetaGetter); ok {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
params.Meta, err = audioMetaGetter.GetAudioMeta(ctx)
if err != nil {
logger.Warn("get audio meta failed", zap.Error(err))
}
// since ffmpeg doesn't support multiple input streams,
// we need to write the audio to a temp file.
// since qmc decoder doesn't support seeking & relying on ffmpeg probe, we need to read the whole file.
// TODO: support seeking or using pipe for qmc decoder.
params.Audio, err = utils.WriteTempFile(audio, params.AudioExt)
if err != nil {
return fmt.Errorf("updateAudioMeta write temp file: %w", err)
}
defer os.Remove(params.Audio)
if params.Meta == nil { // reset audio meta if failed
audio, err = os.Open(params.Audio)
params.Meta, err = audioMetaGetter.GetAudioMeta(ctx)
if err != nil {
return fmt.Errorf("updateAudioMeta open temp file: %w", err)
logger.Warn("get audio meta failed", zap.Error(err))
}
if params.Meta == nil { // reset audio meta if failed
audio, err = os.Open(params.Audio)
if err != nil {
return fmt.Errorf("updateAudioMeta open temp file: %w", err)
}
}
}
}
if params.Meta != nil {
if p.updateMetadata && params.Meta != nil {
if coverGetter, ok := dec.(common.CoverImageGetter); ok {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
@ -243,7 +259,7 @@ func tryDecFile(inputFile string, outputDir string, allDec []common.NewDecoderFu
}
inFilename := strings.TrimSuffix(filepath.Base(inputFile), filepath.Ext(inputFile))
outPath := filepath.Join(outputDir, inFilename+params.AudioExt)
outPath := filepath.Join(p.outputDir, inFilename+params.AudioExt)
if params.Meta == nil {
outFile, err := os.OpenFile(outPath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
@ -252,7 +268,7 @@ func tryDecFile(inputFile string, outputDir string, allDec []common.NewDecoderFu
}
defer outFile.Close()
if _, err = io.Copy(outFile, audio); err != nil {
if _, err := io.Copy(outFile, audio); err != nil {
return err
}
outFile.Close()
@ -267,7 +283,7 @@ func tryDecFile(inputFile string, outputDir string, allDec []common.NewDecoderFu
}
// if source file need to be removed
if removeSource {
if p.removeSource {
err := os.RemoveAll(inputFile)
if err != nil {
return err

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