public static TagLib.Image.File Parse(SafeUri uri)
{
// Detect mime-type
string mime;
try {
var gfile = FileFactory.NewForUri(uri);
var info = gfile.QueryInfo("standard::content-type", FileQueryInfoFlags.None, null);
mime = info.ContentType;
} catch (Exception e) {
Hyena.Log.DebugException(e);
return(null);
}
if (mime.StartsWith("application/x-extension-"))
{
// Works around broken metadata detection - https://bugzilla.gnome.org/show_bug.cgi?id=624781
mime = String.Format("taglib/{0}", mime.Substring(24));
}
// Parse file
var res = new GIOTagLibFileAbstraction()
{
Uri = uri
};
var sidecar_uri = GetSidecarUri(uri);
var sidecar_res = new GIOTagLibFileAbstraction()
{
Uri = sidecar_uri
};
TagLib.Image.File file = null;
try {
file = TagLib.File.Create(res, mime, ReadStyle.Average) as TagLib.Image.File;
} catch (Exception) {
Hyena.Log.DebugFormat("Loading of metadata failed for file: {0}, trying extension fallback", uri);
try {
file = TagLib.File.Create(res, ReadStyle.Average) as TagLib.Image.File;
} catch (Exception e) {
Hyena.Log.DebugFormat("Loading of metadata failed for file: {0}", uri);
Hyena.Log.DebugException(e);
return(null);
}
}
// Load XMP sidecar
var sidecar_file = GLib.FileFactory.NewForUri(sidecar_uri);
if (sidecar_file.Exists)
{
file.ParseXmpSidecar(sidecar_res);
}
return(file);
}
public static void SaveSafely(this TagLib.Image.File metadata, SafeUri photo_uri, bool always_sidecar)
{
if (always_sidecar || !metadata.Writeable || metadata.PossiblyCorrupt)
{
if (!always_sidecar && metadata.PossiblyCorrupt)
{
Hyena.Log.WarningFormat($"Metadata of file {photo_uri} may be corrupt, refusing to write to it, falling back to XMP sidecar.");
}
var sidecar_res = new GIOTagLibFileAbstraction()
{
Uri = GetSidecarUri(photo_uri)
};
metadata.SaveXmpSidecar(sidecar_res);
}
else
{
metadata.Save();
}
}
public static TagLib.Image.File Parse(SafeUri uri)
{
// Detect mime-type
string mime;
try {
var gfile = FileFactory.NewForUri (uri);
var info = gfile.QueryInfo ("standard::content-type", FileQueryInfoFlags.None, null);
mime = info.ContentType;
} catch (Exception e) {
Hyena.Log.DebugException (e);
return null;
}
if (mime.StartsWith ("application/x-extension-")) {
// Works around broken metadata detection - https://bugzilla.gnome.org/show_bug.cgi?id=624781
mime = String.Format ("taglib/{0}", mime.Substring (24));
}
// Parse file
var res = new GIOTagLibFileAbstraction () { Uri = uri };
var sidecar_uri = GetSidecarUri (uri);
var sidecar_res = new GIOTagLibFileAbstraction () { Uri = sidecar_uri };
TagLib.Image.File file = null;
try {
file = TagLib.File.Create (res, mime, ReadStyle.Average) as TagLib.Image.File;
} catch (Exception) {
Hyena.Log.DebugFormat ("Loading of metadata failed for file: {0}, trying extension fallback", uri);
try {
file = TagLib.File.Create (res, ReadStyle.Average) as TagLib.Image.File;
} catch (Exception e) {
Hyena.Log.DebugFormat ("Loading of metadata failed for file: {0}", uri);
Hyena.Log.DebugException (e);
return null;
}
}
// Load XMP sidecar
var sidecar_file = GLib.FileFactory.NewForUri (sidecar_uri);
if (sidecar_file.Exists) {
file.ParseXmpSidecar (sidecar_res);
}
return file;
}
public static void SaveSafely(this TagLib.Image.File metadata, SafeUri photo_uri, bool always_sidecar)
{
if (always_sidecar || !metadata.Writeable || metadata.PossiblyCorrupt) {
if (!always_sidecar && metadata.PossiblyCorrupt) {
Hyena.Log.WarningFormat ("Metadata of file {0} may be corrupt, refusing to write to it, falling back to XMP sidecar.", photo_uri);
}
var sidecar_res = new GIOTagLibFileAbstraction () { Uri = GetSidecarUri (photo_uri) };
metadata.SaveXmpSidecar (sidecar_res);
} else {
metadata.Save ();
}
}