public async Task <DynamicImageResponse> GetImage(Audio item, List <MediaStream> imageStreams, CancellationToken cancellationToken)
{
var path = GetAudioImagePath(item);
if (!File.Exists(path))
{
Directory.CreateDirectory(Path.GetDirectoryName(path));
var imageStream = imageStreams.FirstOrDefault(i => (i.Comment ?? string.Empty).IndexOf("front", StringComparison.OrdinalIgnoreCase) != -1) ??
imageStreams.FirstOrDefault(i => (i.Comment ?? string.Empty).IndexOf("cover", StringComparison.OrdinalIgnoreCase) != -1) ??
imageStreams.FirstOrDefault();
var imageStreamIndex = imageStream == null ? (int?)null : imageStream.Index;
var tempFile = await _mediaEncoder.ExtractAudioImage(item.Path, imageStreamIndex, cancellationToken).ConfigureAwait(false);
File.Copy(tempFile, path, true);
try
{
_fileSystem.DeleteFile(tempFile);
}
catch
{
}
}
return(new DynamicImageResponse
{
HasImage = true,
Path = path
});
}
public async Task <DynamicImageResponse> GetImage(Audio item, List <MediaStream> imageStreams, CancellationToken cancellationToken)
{
var path = GetAudioImagePath(item);
if (!_fileSystem.FileExists(path))
{
var semaphore = GetLock(path);
// Acquire a lock
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
// Check again in case it was saved while waiting for the lock
if (!_fileSystem.FileExists(path))
{
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
var imageStream = imageStreams.FirstOrDefault(i => (i.Comment ?? string.Empty).IndexOf("front", StringComparison.OrdinalIgnoreCase) != -1) ??
imageStreams.FirstOrDefault(i => (i.Comment ?? string.Empty).IndexOf("cover", StringComparison.OrdinalIgnoreCase) != -1) ??
imageStreams.FirstOrDefault();
var imageStreamIndex = imageStream == null ? (int?)null : imageStream.Index;
var tempFile = await _mediaEncoder.ExtractAudioImage(item.Path, imageStreamIndex, cancellationToken).ConfigureAwait(false);
File.Copy(tempFile, path, true);
try
{
File.Delete(tempFile);
}
catch
{
}
}
}
finally
{
semaphore.Release();
}
}
return(new DynamicImageResponse
{
HasImage = true,
Path = path
});
}
public async Task <DynamicImageResponse> GetImage(Audio item, CancellationToken cancellationToken)
{
var path = GetAudioImagePath(item);
if (!File.Exists(path))
{
var semaphore = GetLock(path);
// Acquire a lock
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
// Check again in case it was saved while waiting for the lock
if (!File.Exists(path))
{
Directory.CreateDirectory(Path.GetDirectoryName(path));
using (var stream = await _mediaEncoder.ExtractAudioImage(item.Path, cancellationToken).ConfigureAwait(false))
{
using (var fileStream = _fileSystem.GetFileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, true))
{
await stream.CopyToAsync(fileStream).ConfigureAwait(false);
}
}
}
}
finally
{
semaphore.Release();
}
}
return(new DynamicImageResponse
{
HasImage = true,
Path = path
});
}
