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Backend: Run multiple instances of Sips

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This commit is contained in:
Michael Mayer 2020-02-01 23:07:20 +01:00
parent c02b7ed65b
commit 32f03ab149
1 changed files with 14 additions and 9 deletions
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23
internal/photoprism/convert.go
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@ -88,26 +88,29 @@ func (c *Convert) Start(path string) error {
}
// ConvertCommand returns the command for converting files to JPEG, depending on the format.
func (c *Convert) ConvertCommand(image *MediaFile, jpegName string, xmpName string) (result *exec.Cmd, err error) {
func (c *Convert) ConvertCommand(image *MediaFile, jpegName string, xmpName string) (result *exec.Cmd, useMutex bool, err error) {
if image.IsRaw() {
if c.conf.SipsBin() != "" {
result = exec.Command(c.conf.SipsBin(), "-s", "format", "jpeg", "--out", jpegName, image.fileName)
} else if c.conf.DarktableBin() != "" {
// Only one instance of darktable-cli allowed due to locking
useMutex = true
if xmpName != "" {
result = exec.Command(c.conf.DarktableBin(), image.fileName, xmpName, jpegName)
} else {
result = exec.Command(c.conf.DarktableBin(), image.fileName, jpegName)
}
} else {
return nil, fmt.Errorf("convert: no binary for raw to jpeg could be found (%s)", image.FileName())
return nil, useMutex, fmt.Errorf("convert: no raw to jpeg converter installed (%s)", image.Base())
}
} else if image.IsHEIF() {
result = exec.Command(c.conf.HeifConvertBin(), image.fileName, jpegName)
} else {
return nil, fmt.Errorf("convert: image type not supported for conversion (%s)", image.Type())
return nil, useMutex, fmt.Errorf("convert: image type not supported for conversion (%s)", image.Type())
}
return result, nil
return result, useMutex, nil
}
// ToJpeg converts a single image file to JPEG if possible.
@ -161,7 +164,7 @@ func (c *Convert) ToJpeg(image *MediaFile) (*MediaFile, error) {
return NewMediaFile(jpegName)
}
cmd, err := c.ConvertCommand(image, jpegName, xmpName)
cmd, useMutex, err := c.ConvertCommand(image, jpegName, xmpName)
if err != nil {
return nil, err
@ -171,10 +174,12 @@ func (c *Convert) ToJpeg(image *MediaFile) (*MediaFile, error) {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
// Make sure only one command is executed at a time.
// See https://photo.stackexchange.com/questions/105969/darktable-cli-fails-because-of-locked-database-file
c.cmdMutex.Lock()
defer c.cmdMutex.Unlock()
if useMutex {
// Make sure only one command is executed at a time.
// See https://photo.stackexchange.com/questions/105969/darktable-cli-fails-because-of-locked-database-file
c.cmdMutex.Lock()
defer c.cmdMutex.Unlock()
}
// Fetch command output.
var out bytes.Buffer