private async Task <(string, IMediaInfo, DateTimeOffset)> ReadMediaInfoAsync(
IStorageFile file, bool ignoreDrm)
{
using (var stream = await file.OpenReadAsync())
{
IMediaInfo info = null;
int result = -1;
// Workaround for mojibake in id3v2 tags: use system code page.
if (string.Compare(file.FileType, ".mp3", true) == 0)
{
if (file is StorageFile)
{
var props = await((StorageFile)file).Properties.GetMusicPropertiesAsync();
var fInfo = MusicPropertiesMediaInfo.Create(props);
result = NativeMethods.GetMediaInfoFromStream(stream, out IMediaInfo extraInfo);
fInfo.TrackNumber = extraInfo.TrackNumber;
fInfo.TotalTracks = extraInfo.TotalTracks;
fInfo.DiscNumber = extraInfo.DiscNumber;
fInfo.TotalDiscs = extraInfo.TotalDiscs;
fInfo.Date = extraInfo.Date;
fInfo.Genre = extraInfo.Genre;
fInfo.AllProperties = extraInfo.AllProperties;
info = fInfo;
}
else
{
result =
NativeMethods.GetMediaInfoFromStream(stream, out info);
}
}
else
{
result = NativeMethods.GetMediaInfoFromStream(
stream,
out info);
}
if (result == 0 && info != null)
{
if (ignoreDrm && !string.IsNullOrWhiteSpace(info.AllProperties["encryption"]))
{
// Throw DRM exception for upstream reference
throw new DrmProtectedException();
}
var prop = await file.GetBasicPropertiesAsync();
return(file.Path, info, prop.DateModified);
}
return(default((string, IMediaInfo, DateTimeOffset)));
}
}
void FillMetadataBagStub(FileInformation fileInfo, ConcurrentBag <MediaMetadata> bag)
{
// Prep metadata and cover.
IRandomAccessStreamWithContentType stream = null;
try
{
IMediaInfo info;
// Workaround for mojibake in id3v2 tags: use system code page.
if (string.Compare(fileInfo.FileType, ".mp3", true) == 0)
{
var fInfo = MusicPropertiesMediaInfo.Create(fileInfo.MusicProperties);
IMediaInfo extraInfo;
using (stream = fileInfo.OpenReadAsync().AsTask().Result)
{
var result =
NativeMethods.GetMediaInfoFromStream(stream, out extraInfo);
}
fInfo.TrackNumber = extraInfo.TrackNumber;
fInfo.TotalTracks = extraInfo.TotalTracks;
fInfo.DiscNumber = extraInfo.DiscNumber;
fInfo.TotalDiscs = extraInfo.TotalDiscs;
fInfo.Date = extraInfo.Date;
fInfo.Genre = extraInfo.Genre;
fInfo.AllProperties = extraInfo.AllProperties;
info = fInfo;
}
else
{
using (stream = fileInfo.OpenReadAsync().AsTask().Result)
{
var result =
NativeMethods.GetMediaInfoFromStream(stream, out info);
}
}
// Ignore all entities with empty title field.
if (string.IsNullOrEmpty(info?.Title))
{
return;
}
bag.Add(new MediaMetadata(info, fileInfo.Path, fileInfo.BasicProperties.DateModified));
}
catch (Exception ex)
{
// TODO: Handle exceptions
Debug.WriteLine(ex);
}
}
