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Support webp image output

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This commit is contained in:
Luke Pulverenti
2014-08-28 00:32:45 -04:00
parent f4781b0bae
commit d2494148f7
5 changed files with 42 additions and 65 deletions
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46
MediaBrowser.Server.Implementations/Drawing/ImageProcessor.cs
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@@ -1,4 +1,5 @@
using MediaBrowser.Common.Extensions;
using Imazen.WebP;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.IO;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Drawing;
@@ -210,7 +211,12 @@ namespace MediaBrowser.Server.Implementations.Drawing
var newHeight = Convert.ToInt32(newSize.Height);
// Graphics.FromImage will throw an exception if the PixelFormat is Indexed, so we need to handle that here
using (var thumbnail = new Bitmap(newWidth, newHeight, PixelFormat.Format32bppPArgb))
// Also, Webp only supports Format32bppArgb and Format32bppRgb
var pixelFormat = options.OutputFormat == ImageOutputFormat.Webp
? PixelFormat.Format32bppArgb
: PixelFormat.Format32bppPArgb;
using (var thumbnail = new Bitmap(newWidth, newHeight, pixelFormat))
{
// Mono throw an exeception if assign 0 to SetResolution
if (originalImage.HorizontalResolution > 0 && originalImage.VerticalResolution > 0)
@@ -242,8 +248,15 @@ namespace MediaBrowser.Server.Implementations.Drawing
// Save to the cache location
using (var cacheFileStream = _fileSystem.GetFileStream(cacheFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, false))
{
// Save to the memory stream
thumbnail.Save(outputFormat, cacheFileStream, quality);
if (options.OutputFormat == ImageOutputFormat.Webp)
{
new SimpleEncoder().Encode(thumbnail, cacheFileStream, quality, false);
}
else
{
// Save to the memory stream
thumbnail.Save(outputFormat, cacheFileStream, quality);
}
}
return cacheFilePath;
@@ -260,31 +273,6 @@ namespace MediaBrowser.Server.Implementations.Drawing
}
}
/// <summary>
/// Caches the resized image.
/// </summary>
/// <param name="cacheFilePath">The cache file path.</param>
/// <param name="bytes">The bytes.</param>
/// <returns>Task.</returns>
private async Task CacheResizedImage(string cacheFilePath, byte[] bytes)
{
try
{
Directory.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
// 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)
{
_logger.ErrorException("Error writing to image cache file {0}", ex, cacheFilePath);
}
}
/// <summary>
/// Sets the color of the background.
/// </summary>