private static void HelpMeSmall(HttpListenerResponse response, string tempId, ISongPlayer songPlayer)
{
if (thumbnailBuffer.ContainsKey(tempId))
{
WriteImage(response, thumbnailBuffer[tempId]);
return;
}
// get from player
MemoryStream imageStream = null;
if (!string.IsNullOrEmpty(tempId))
{
try
{
// this is locked in function
imageStream = songPlayer.GetImageStream(tempId, false);
}
catch (Exception)
{
imageStream = null;
}
using (MemoryStream streamFromSongPlayer = imageStream)
{
if (streamFromSongPlayer != null)
{
if (!thumbnailBuffer.ContainsKey(tempId))
{
thumbnailBuffer.Add(tempId, streamFromSongPlayer.ToArray());
}
WriteImage(response, streamFromSongPlayer);
return;
}
}
}
// cache small if not present
if (_emptyImageSmall == null)
{
using (Stream stream = Assembly.GetEntryAssembly().GetManifestResourceStream("SongRequest.Static.empty_small.png"))
using (MemoryStream memoryStream = new MemoryStream())
{
stream.CopyTo(memoryStream);
_emptyImageSmall = memoryStream.ToArray();
}
}
if (!thumbnailBuffer.ContainsKey(tempId))
{
thumbnailBuffer.Add(tempId, _emptyImageSmall);
}
WriteImage(response, _emptyImageSmall);
}
private static void HelpMeLarge(HttpListenerResponse response, string tempId, ISongPlayer songPlayer)
{
// use cached image if possible
if (tempId.Equals(_lastId, StringComparison.OrdinalIgnoreCase) && _lastImage != null)
{
WriteImage(response, _lastImage);
return;
}
// get from player
MemoryStream imageStream = null;
if (!string.IsNullOrEmpty(tempId))
{
try
{
// this is locked in function
imageStream = songPlayer.GetImageStream(tempId, true);
}
catch (Exception)
{
imageStream = null;
}
using (MemoryStream streamFromSongPlayer = imageStream)
{
if (streamFromSongPlayer != null)
{
// set last id
_lastId = tempId;
_lastImage = streamFromSongPlayer.ToArray();
WriteImage(response, _lastImage);
return;
}
}
}
// cache large if not present
if (_emptyImageLarge == null)
{
using (Stream stream = Assembly.GetEntryAssembly().GetManifestResourceStream("SongRequest.Static.empty.png"))
using (MemoryStream memoryStream = new MemoryStream())
{
stream.CopyTo(memoryStream);
_emptyImageLarge = memoryStream.ToArray();
}
}
WriteImage(response, _emptyImageLarge);
}
private static void HelpMeLarge(HttpListenerResponse response, string tempId, ISongPlayer songPlayer)
{
// use cached image if possible
if (tempId.Equals(_lastId, StringComparison.OrdinalIgnoreCase) && _lastImage != null)
{
WriteImage(response, _lastImage);
return;
}
// get from player
MemoryStream imageStream = null;
if (!string.IsNullOrEmpty(tempId))
{
try
{
// this is locked in function
imageStream = songPlayer.GetImageStream(tempId, true);
}
catch (Exception)
{
imageStream = null;
}
using (MemoryStream streamFromSongPlayer = imageStream)
{
if (streamFromSongPlayer != null)
{
// set last id
_lastId = tempId;
_lastImage = streamFromSongPlayer.ToArray();
WriteImage(response, _lastImage);
return;
}
}
}
// cache large if not present
if (_emptyImageLarge == null)
{
using (Stream stream = Assembly.GetEntryAssembly().GetManifestResourceStream("SongRequest.Static.empty.png"))
using (MemoryStream memoryStream = new MemoryStream())
{
stream.CopyTo(memoryStream);
_emptyImageLarge = memoryStream.ToArray();
}
}
WriteImage(response, _emptyImageLarge);
}
private static void HelpMeSmall(HttpListenerResponse response, string tempId, ISongPlayer songPlayer)
{
if (thumbnailBuffer.ContainsKey(tempId))
{
WriteImage(response, thumbnailBuffer[tempId]);
return;
}
// get from player
MemoryStream imageStream = null;
if (!string.IsNullOrEmpty(tempId))
{
try
{
// this is locked in function
imageStream = songPlayer.GetImageStream(tempId, false);
}
catch (Exception)
{
imageStream = null;
}
using (MemoryStream streamFromSongPlayer = imageStream)
{
if (streamFromSongPlayer != null)
{
if (!thumbnailBuffer.ContainsKey(tempId))
thumbnailBuffer.Add(tempId, streamFromSongPlayer.ToArray());
WriteImage(response, streamFromSongPlayer);
return;
}
}
}
// cache small if not present
if (_emptyImageSmall == null)
{
using (Stream stream = Assembly.GetEntryAssembly().GetManifestResourceStream("SongRequest.Static.empty_small.png"))
using (MemoryStream memoryStream = new MemoryStream())
{
stream.CopyTo(memoryStream);
_emptyImageSmall = memoryStream.ToArray();
}
}
if (!thumbnailBuffer.ContainsKey(tempId))
thumbnailBuffer.Add(tempId, _emptyImageSmall);
WriteImage(response, _emptyImageSmall);
}
private static void HelpMeLarge(HttpListenerResponse response, string tempId, ISongPlayer songPlayer)
{
int size = 300;
string cacheFolder = Path.Combine(_imageCachePath, tempId.Length > 2 ? tempId.Substring(0, 2) : tempId);
string cacheKey = Path.Combine(cacheFolder, tempId + "_" + size + ".png");
if (File.Exists(cacheKey))
{
using (FileStream fileStream = File.OpenRead(cacheKey))
{
WriteImage(response, fileStream);
return;
}
}
lock (_lockObject)
{
// get from player
MemoryStream imageStream = null;
if (!string.IsNullOrEmpty(tempId))
{
try
{
// this is locked in function
imageStream = songPlayer.GetImageStream(tempId, size);
}
catch (Exception)
{
imageStream = null;
}
using (MemoryStream streamFromSongPlayer = imageStream)
{
if (streamFromSongPlayer != null)
{
if (!Directory.Exists(cacheFolder))
Directory.CreateDirectory(cacheFolder);
using (FileStream fileStream = File.Create(cacheKey))
{
streamFromSongPlayer.CopyTo(fileStream);
}
WriteImage(response, streamFromSongPlayer);
return;
}
}
}
// cache large if not present
if (_emptyImageLarge == null)
{
using (Stream stream = Assembly.GetEntryAssembly().GetManifestResourceStream("SongRequest.Static.empty.png"))
using (MemoryStream memoryStream = new MemoryStream())
{
stream.CopyTo(memoryStream);
_emptyImageLarge = memoryStream.ToArray();
}
}
WriteImage(response, _emptyImageLarge);
}
}
private static void HelpMeLarge(HttpListenerResponse response, string tempId, ISongPlayer songPlayer)
{
int size = 300;
string cacheFolder = Path.Combine(_imageCachePath, tempId.Length > 2 ? tempId.Substring(0, 2) : tempId);
string cacheKey = Path.Combine(cacheFolder, tempId + "_" + size + ".png");
if (File.Exists(cacheKey))
{
using (FileStream fileStream = File.OpenRead(cacheKey))
{
WriteImage(response, fileStream);
return;
}
}
lock (_lockObject)
{
// get from player
MemoryStream imageStream = null;
if (!string.IsNullOrEmpty(tempId))
{
try
{
// this is locked in function
imageStream = songPlayer.GetImageStream(tempId, size);
}
catch (Exception)
{
imageStream = null;
}
using (MemoryStream streamFromSongPlayer = imageStream)
{
if (streamFromSongPlayer != null)
{
if (!Directory.Exists(cacheFolder))
{
Directory.CreateDirectory(cacheFolder);
}
using (FileStream fileStream = File.Create(cacheKey))
{
streamFromSongPlayer.CopyTo(fileStream);
}
WriteImage(response, streamFromSongPlayer);
return;
}
}
}
// cache large if not present
if (_emptyImageLarge == null)
{
using (Stream stream = Assembly.GetEntryAssembly().GetManifestResourceStream("SongRequest.Static.empty.png"))
using (MemoryStream memoryStream = new MemoryStream())
{
stream.CopyTo(memoryStream);
_emptyImageLarge = memoryStream.ToArray();
}
}
WriteImage(response, _emptyImageLarge);
}
}
