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-rw-r--r--MediaBrowser.Api/Playback/BifService.cs186
1 files changed, 0 insertions, 186 deletions
diff --git a/MediaBrowser.Api/Playback/BifService.cs b/MediaBrowser.Api/Playback/BifService.cs
deleted file mode 100644
index 181cdfe89..000000000
--- a/MediaBrowser.Api/Playback/BifService.cs
+++ /dev/null
@@ -1,186 +0,0 @@
-using MediaBrowser.Common.IO;
-using MediaBrowser.Controller;
-using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Library;
-using MediaBrowser.Controller.MediaEncoding;
-using ServiceStack;
-using System;
-using System.Collections.Concurrent;
-using System.Globalization;
-using System.IO;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace MediaBrowser.Api.Playback
-{
- [Route("/Videos/{Id}/index.bif", "GET")]
- public class GetBifFile
- {
- [ApiMember(Name = "MediaSourceId", Description = "The media version id, if playing an alternate version", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
- public string MediaSourceId { get; set; }
-
- [ApiMember(Name = "MaxWidth", Description = "Optional. The maximum horizontal resolution of the encoded video.", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "GET")]
- public int? MaxWidth { get; set; }
-
- [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
- public string Id { get; set; }
- }
-
- public class BifService : BaseApiService
- {
- private readonly IServerApplicationPaths _appPaths;
- private readonly ILibraryManager _libraryManager;
- private readonly IMediaEncoder _mediaEncoder;
- private readonly IFileSystem _fileSystem;
-
- public BifService(IServerApplicationPaths appPaths, ILibraryManager libraryManager, IMediaEncoder mediaEncoder, IFileSystem fileSystem)
- {
- _appPaths = appPaths;
- _libraryManager = libraryManager;
- _mediaEncoder = mediaEncoder;
- _fileSystem = fileSystem;
- }
-
- public object Get(GetBifFile request)
- {
- return ToStaticFileResult(GetBifFile(request).Result);
- }
-
- private async Task<string> GetBifFile(GetBifFile request)
- {
- var widthVal = request.MaxWidth.HasValue ? request.MaxWidth.Value.ToString(CultureInfo.InvariantCulture) : string.Empty;
-
- var item = _libraryManager.GetItemById(request.Id);
- var mediaSources = ((IHasMediaSources)item).GetMediaSources(false).ToList();
- var mediaSource = mediaSources.FirstOrDefault(i => string.Equals(i.Id, request.MediaSourceId)) ?? mediaSources.First();
-
- var path = Path.Combine(_appPaths.ImageCachePath, "bif", request.Id, request.MediaSourceId, widthVal, "index.bif");
-
- if (File.Exists(path))
- {
- return path;
- }
-
- var protocol = mediaSource.Protocol;
-
- var inputPath = MediaEncoderHelpers.GetInputArgument(mediaSource.Path, protocol, null, mediaSource.PlayableStreamFileNames);
-
- var semaphore = GetLock(path);
-
- await semaphore.WaitAsync().ConfigureAwait(false);
-
- try
- {
- if (File.Exists(path))
- {
- return path;
- }
-
- await _mediaEncoder.ExtractVideoImagesOnInterval(inputPath, protocol, mediaSource.Video3DFormat,
- TimeSpan.FromSeconds(10), Path.GetDirectoryName(path), "img_", request.MaxWidth, CancellationToken.None)
- .ConfigureAwait(false);
-
- var images = new DirectoryInfo(Path.GetDirectoryName(path))
- .EnumerateFiles()
- .Where(img => string.Equals(img.Extension, ".jpg", StringComparison.Ordinal))
- .OrderBy(i => i.FullName)
- .ToList();
-
- using (var fs = _fileSystem.GetFileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, true))
- {
- var magicNumber = new byte[] { 0x89, 0x42, 0x49, 0x46, 0x0d, 0x0a, 0x1a, 0x0a };
- await fs.WriteAsync(magicNumber, 0, magicNumber.Length);
-
- // version
- var bytes = GetBytes(0);
- await fs.WriteAsync(bytes, 0, bytes.Length);
-
- // image count
- bytes = GetBytes(images.Count);
- await fs.WriteAsync(bytes, 0, bytes.Length);
-
- // interval in ms
- bytes = GetBytes(10000);
- await fs.WriteAsync(bytes, 0, bytes.Length);
-
- // reserved
- for (var i = 20; i <= 63; i++)
- {
- bytes = new byte[] { 0x00 };
- await fs.WriteAsync(bytes, 0, bytes.Length);
- }
-
- // write the bif index
- var index = 0;
- long imageOffset = 64 + (8 * images.Count) + 8;
-
- foreach (var img in images)
- {
- bytes = GetBytes(index);
- await fs.WriteAsync(bytes, 0, bytes.Length);
-
- bytes = GetBytes(imageOffset);
- await fs.WriteAsync(bytes, 0, bytes.Length);
-
- imageOffset += img.Length;
-
- index++;
- }
-
- bytes = new byte[] { 0xff, 0xff, 0xff, 0xff };
- await fs.WriteAsync(bytes, 0, bytes.Length);
-
- bytes = GetBytes(imageOffset);
- await fs.WriteAsync(bytes, 0, bytes.Length);
-
- // write the images
- foreach (var img in images)
- {
- using (var imgStream = _fileSystem.GetFileStream(img.FullName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true))
- {
- await imgStream.CopyToAsync(fs).ConfigureAwait(false);
- }
- }
- }
-
- return path;
- }
- finally
- {
- semaphore.Release();
- }
- }
-
- private byte[] GetBytes(int value)
- {
- byte[] bytes = BitConverter.GetBytes(value);
- if (!BitConverter.IsLittleEndian)
- Array.Reverse(bytes);
- return bytes;
- }
-
- private byte[] GetBytes(long value)
- {
- var intVal = Convert.ToInt32(value);
- return GetBytes(intVal);
-
- //byte[] bytes = BitConverter.GetBytes(value);
- //if (BitConverter.IsLittleEndian)
- // Array.Reverse(bytes);
- //return bytes;
- }
-
- private static readonly ConcurrentDictionary<string, SemaphoreSlim> SemaphoreLocks = new ConcurrentDictionary<string, SemaphoreSlim>();
-
- /// <summary>
- /// Gets the lock.
- /// </summary>
- /// <param name="filename">The filename.</param>
- /// <returns>System.Object.</returns>
- private static SemaphoreSlim GetLock(string filename)
- {
- return SemaphoreLocks.GetOrAdd(filename, key => new SemaphoreSlim(1, 1));
- }
- }
-}