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added image encoder methods

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This commit is contained in:
Luke Pulverenti
2014-03-27 23:32:43 -04:00
parent eda0939b90
commit 1664de62c0
6 changed files with 117 additions and 95 deletions
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87
MediaBrowser.Server.Implementations/Drawing/ImageProcessor.cs
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@@ -3,6 +3,7 @@ using MediaBrowser.Common.IO;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Drawing;
using MediaBrowser.Model.Entities;
@@ -52,12 +53,14 @@ namespace MediaBrowser.Server.Implementations.Drawing
private readonly IFileSystem _fileSystem;
private readonly IJsonSerializer _jsonSerializer;
private readonly IServerApplicationPaths _appPaths;
private readonly IMediaEncoder _mediaEncoder;
public ImageProcessor(ILogger logger, IServerApplicationPaths appPaths, IFileSystem fileSystem, IJsonSerializer jsonSerializer)
public ImageProcessor(ILogger logger, IServerApplicationPaths appPaths, IFileSystem fileSystem, IJsonSerializer jsonSerializer, IMediaEncoder mediaEncoder)
{
_logger = logger;
_fileSystem = fileSystem;
_jsonSerializer = jsonSerializer;
_mediaEncoder = mediaEncoder;
_appPaths = appPaths;
_saveImageSizeTimer = new Timer(SaveImageSizeCallback, null, Timeout.Infinite, Timeout.Infinite);
@@ -66,7 +69,7 @@ namespace MediaBrowser.Server.Implementations.Drawing
try
{
sizeDictionary = jsonSerializer.DeserializeFromFile<Dictionary<Guid, ImageSize>>(ImageSizeFile) ??
sizeDictionary = jsonSerializer.DeserializeFromFile<Dictionary<Guid, ImageSize>>(ImageSizeFile) ??
new Dictionary<Guid, ImageSize>();
}
catch (FileNotFoundException)
@@ -213,6 +216,39 @@ namespace MediaBrowser.Server.Implementations.Drawing
try
{
var hasPostProcessing = !string.IsNullOrEmpty(options.BackgroundColor) || options.UnplayedCount.HasValue || options.AddPlayedIndicator || options.PercentPlayed.HasValue;
if (!hasPostProcessing)
{
using (var outputStream = await _mediaEncoder.EncodeImage(new ImageEncodingOptions
{
InputPath = originalImagePath,
MaxHeight = options.MaxHeight,
MaxWidth = options.MaxWidth,
Height = options.Height,
Width = options.Width,
Quality = options.Quality,
Format = options.OutputFormat == ImageOutputFormat.Original ? Path.GetExtension(originalImagePath).TrimStart('.') : options.OutputFormat.ToString().ToLower()
}, CancellationToken.None).ConfigureAwait(false))
{
using (var outputMemoryStream = new MemoryStream())
{
// Save to the memory stream
await outputStream.CopyToAsync(outputMemoryStream).ConfigureAwait(false);
var bytes = outputMemoryStream.ToArray();
await toStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
// kick off a task to cache the result
await CacheResizedImage(cacheFilePath, bytes).ConfigureAwait(false);
}
return;
}
}
using (var fileStream = _fileSystem.GetFileStream(originalImagePath, FileMode.Open, FileAccess.Read, FileShare.Read, true))
{
// Copy to memory stream to avoid Image locking file
@@ -241,8 +277,8 @@ namespace MediaBrowser.Server.Implementations.Drawing
thumbnailGraph.SmoothingMode = SmoothingMode.HighQuality;
thumbnailGraph.InterpolationMode = InterpolationMode.HighQualityBicubic;
thumbnailGraph.PixelOffsetMode = PixelOffsetMode.HighQuality;
thumbnailGraph.CompositingMode = string.IsNullOrEmpty(options.BackgroundColor) && !options.UnplayedCount.HasValue && !options.AddPlayedIndicator && !options.PercentPlayed.HasValue ?
CompositingMode.SourceCopy :
thumbnailGraph.CompositingMode = !hasPostProcessing ?
CompositingMode.SourceCopy :
CompositingMode.SourceOver;
SetBackgroundColor(thumbnailGraph, options);
@@ -263,7 +299,7 @@ namespace MediaBrowser.Server.Implementations.Drawing
await toStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
// kick off a task to cache the result
CacheResizedImage(cacheFilePath, bytes, semaphore);
await CacheResizedImage(cacheFilePath, bytes).ConfigureAwait(false);
}
}
}
@@ -272,11 +308,9 @@ namespace MediaBrowser.Server.Implementations.Drawing
}
}
}
catch
finally
{
semaphore.Release();
throw;
}
}
@@ -285,33 +319,26 @@ namespace MediaBrowser.Server.Implementations.Drawing
/// </summary>
/// <param name="cacheFilePath">The cache file path.</param>
/// <param name="bytes">The bytes.</param>
/// <param name="semaphore">The semaphore.</param>
private void CacheResizedImage(string cacheFilePath, byte[] bytes, SemaphoreSlim semaphore)
/// <returns>Task.</returns>
private async Task CacheResizedImage(string cacheFilePath, byte[] bytes)
{
Task.Run(async () =>
try
{
try
{
var parentPath = Path.GetDirectoryName(cacheFilePath);
var parentPath = Path.GetDirectoryName(cacheFilePath);
Directory.CreateDirectory(parentPath);
Directory.CreateDirectory(parentPath);
// Save to the cache location
using (var cacheFileStream = _fileSystem.GetFileStream(cacheFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, true))
{
// Save to the filestream
await cacheFileStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
}
}
catch (Exception ex)
// Save to the cache location
using (var cacheFileStream = _fileSystem.GetFileStream(cacheFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, true))
{
_logger.ErrorException("Error writing to image cache file {0}", ex, cacheFilePath);
// Save to the filestream
await cacheFileStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
}
finally
{
semaphore.Release();
}
});
}
catch (Exception ex)
{
_logger.ErrorException("Error writing to image cache file {0}", ex, cacheFilePath);
}
}
/// <summary>
@@ -519,7 +546,7 @@ namespace MediaBrowser.Server.Implementations.Drawing
{
filename += "iv=" + IndicatorVersion;
}
if (!string.IsNullOrEmpty(backgroundColor))
{
filename += "b=" + backgroundColor;