330 lines
13 KiB
C#
330 lines
13 KiB
C#
using MediaBrowser.Common.IO;
|
|
using MediaBrowser.Common.Net;
|
|
using MediaBrowser.Controller.Configuration;
|
|
using MediaBrowser.Controller.Drawing;
|
|
using MediaBrowser.Controller.Dto;
|
|
using MediaBrowser.Controller.Library;
|
|
using MediaBrowser.Controller.LiveTv;
|
|
using MediaBrowser.Controller.MediaInfo;
|
|
using MediaBrowser.Controller.Persistence;
|
|
using MediaBrowser.Model.Dto;
|
|
using MediaBrowser.Model.IO;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
using ServiceStack.Web;
|
|
|
|
namespace MediaBrowser.Api.Playback.Progressive
|
|
{
|
|
/// <summary>
|
|
/// Class BaseProgressiveStreamingService
|
|
/// </summary>
|
|
public abstract class BaseProgressiveStreamingService : BaseStreamingService
|
|
{
|
|
protected readonly IImageProcessor ImageProcessor;
|
|
protected readonly IHttpClient HttpClient;
|
|
|
|
protected BaseProgressiveStreamingService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IDtoService dtoService, IFileSystem fileSystem, IItemRepository itemRepository, ILiveTvManager liveTvManager, IImageProcessor imageProcessor, IHttpClient httpClient)
|
|
: base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, dtoService, fileSystem, itemRepository, liveTvManager)
|
|
{
|
|
ImageProcessor = imageProcessor;
|
|
HttpClient = httpClient;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the output file extension.
|
|
/// </summary>
|
|
/// <param name="state">The state.</param>
|
|
/// <returns>System.String.</returns>
|
|
protected override string GetOutputFileExtension(StreamState state)
|
|
{
|
|
var ext = base.GetOutputFileExtension(state);
|
|
|
|
if (!string.IsNullOrEmpty(ext))
|
|
{
|
|
return ext;
|
|
}
|
|
|
|
var videoRequest = state.Request as VideoStreamRequest;
|
|
|
|
// Try to infer based on the desired video codec
|
|
if (videoRequest != null && videoRequest.VideoCodec.HasValue)
|
|
{
|
|
if (state.IsInputVideo)
|
|
{
|
|
switch (videoRequest.VideoCodec.Value)
|
|
{
|
|
case VideoCodecs.H264:
|
|
return ".ts";
|
|
case VideoCodecs.Theora:
|
|
return ".ogv";
|
|
case VideoCodecs.Vpx:
|
|
return ".webm";
|
|
case VideoCodecs.Wmv:
|
|
return ".asf";
|
|
}
|
|
}
|
|
}
|
|
|
|
// Try to infer based on the desired audio codec
|
|
if (state.Request.AudioCodec.HasValue)
|
|
{
|
|
if (!state.IsInputVideo)
|
|
{
|
|
switch (state.Request.AudioCodec.Value)
|
|
{
|
|
case AudioCodecs.Aac:
|
|
return ".aac";
|
|
case AudioCodecs.Mp3:
|
|
return ".mp3";
|
|
case AudioCodecs.Vorbis:
|
|
return ".ogg";
|
|
case AudioCodecs.Wma:
|
|
return ".wma";
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds the dlna headers.
|
|
/// </summary>
|
|
/// <param name="state">The state.</param>
|
|
/// <param name="responseHeaders">The response headers.</param>
|
|
/// <param name="isStaticallyStreamed">if set to <c>true</c> [is statically streamed].</param>
|
|
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
|
|
private void AddDlnaHeaders(StreamState state, IDictionary<string, string> responseHeaders, bool isStaticallyStreamed)
|
|
{
|
|
var timeSeek = GetHeader("TimeSeekRange.dlna.org");
|
|
|
|
if (!string.IsNullOrEmpty(timeSeek))
|
|
{
|
|
ResultFactory.ThrowError(406, "Time seek not supported during encoding.", responseHeaders);
|
|
return;
|
|
}
|
|
|
|
var transferMode = GetHeader("transferMode.dlna.org");
|
|
responseHeaders["transferMode.dlna.org"] = string.IsNullOrEmpty(transferMode) ? "Streaming" : transferMode;
|
|
responseHeaders["realTimeInfo.dlna.org"] = "DLNA.ORG_TLAG=*";
|
|
|
|
var contentFeatures = string.Empty;
|
|
var extension = GetOutputFileExtension(state);
|
|
|
|
// first bit means Time based seek supported, second byte range seek supported (not sure about the order now), so 01 = only byte seek, 10 = time based, 11 = both, 00 = none
|
|
var orgOp = isStaticallyStreamed ? ";DLNA.ORG_OP=01" : ";DLNA.ORG_OP=00";
|
|
|
|
// 0 = native, 1 = transcoded
|
|
var orgCi = isStaticallyStreamed ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
|
|
|
|
const string dlnaflags = ";DLNA.ORG_FLAGS=01500000000000000000000000000000";
|
|
|
|
if (string.Equals(extension, ".mp3", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
contentFeatures = "DLNA.ORG_PN=MP3";
|
|
}
|
|
else if (string.Equals(extension, ".aac", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
contentFeatures = "DLNA.ORG_PN=AAC_ISO";
|
|
}
|
|
else if (string.Equals(extension, ".wma", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
contentFeatures = "DLNA.ORG_PN=WMABASE";
|
|
}
|
|
else if (string.Equals(extension, ".avi", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
contentFeatures = "DLNA.ORG_PN=AVI";
|
|
}
|
|
else if (string.Equals(extension, ".mkv", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
contentFeatures = "DLNA.ORG_PN=MATROSKA";
|
|
}
|
|
else if (string.Equals(extension, ".mp4", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
contentFeatures = "DLNA.ORG_PN=AVC_MP4_MP_HD_720p_AAC";
|
|
}
|
|
else if (string.Equals(extension, ".mpeg", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
contentFeatures = "DLNA.ORG_PN=MPEG_PS_PAL";
|
|
}
|
|
else if (string.Equals(extension, ".ts", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
contentFeatures = "DLNA.ORG_PN=MPEG_PS_PAL";
|
|
}
|
|
//else if (string.Equals(extension, ".wmv", StringComparison.OrdinalIgnoreCase))
|
|
//{
|
|
// contentFeatures = "DLNA.ORG_PN=WMVHIGH_BASE";
|
|
//}
|
|
//else if (string.Equals(extension, ".asf", StringComparison.OrdinalIgnoreCase))
|
|
//{
|
|
// // ??
|
|
// contentFeatures = "DLNA.ORG_PN=WMVHIGH_BASE";
|
|
//}
|
|
|
|
|
|
if (!string.IsNullOrEmpty(contentFeatures))
|
|
{
|
|
responseHeaders["contentFeatures.dlna.org"] = (contentFeatures + orgOp + orgCi + dlnaflags).Trim(';');
|
|
}
|
|
|
|
foreach (var item in responseHeaders)
|
|
{
|
|
Request.Response.AddHeader(item.Key, item.Value);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the type of the transcoding job.
|
|
/// </summary>
|
|
/// <value>The type of the transcoding job.</value>
|
|
protected override TranscodingJobType TranscodingJobType
|
|
{
|
|
get { return TranscodingJobType.Progressive; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Processes the request.
|
|
/// </summary>
|
|
/// <param name="request">The request.</param>
|
|
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
|
|
/// <returns>Task.</returns>
|
|
protected object ProcessRequest(StreamRequest request, bool isHeadRequest)
|
|
{
|
|
var state = GetState(request, CancellationToken.None).Result;
|
|
|
|
var responseHeaders = new Dictionary<string, string>();
|
|
|
|
if (request.Static && state.IsRemote)
|
|
{
|
|
AddDlnaHeaders(state, responseHeaders, true);
|
|
|
|
return GetStaticRemoteStreamResult(state.MediaPath, responseHeaders, isHeadRequest).Result;
|
|
}
|
|
|
|
var outputPath = GetOutputFilePath(state);
|
|
var outputPathExists = File.Exists(outputPath);
|
|
|
|
var isStatic = request.Static ||
|
|
(outputPathExists && !ApiEntryPoint.Instance.HasActiveTranscodingJob(outputPath, TranscodingJobType.Progressive));
|
|
|
|
AddDlnaHeaders(state, responseHeaders, isStatic);
|
|
|
|
if (request.Static)
|
|
{
|
|
return ResultFactory.GetStaticFileResult(Request, state.MediaPath, FileShare.Read, responseHeaders, isHeadRequest);
|
|
}
|
|
|
|
if (outputPathExists && !ApiEntryPoint.Instance.HasActiveTranscodingJob(outputPath, TranscodingJobType.Progressive))
|
|
{
|
|
return ResultFactory.GetStaticFileResult(Request, outputPath, FileShare.Read, responseHeaders, isHeadRequest);
|
|
}
|
|
|
|
return GetStreamResult(state, responseHeaders, isHeadRequest).Result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the static remote stream result.
|
|
/// </summary>
|
|
/// <param name="mediaPath">The media path.</param>
|
|
/// <param name="responseHeaders">The response headers.</param>
|
|
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
|
|
/// <returns>Task{System.Object}.</returns>
|
|
private async Task<object> GetStaticRemoteStreamResult(string mediaPath, Dictionary<string, string> responseHeaders, bool isHeadRequest)
|
|
{
|
|
var options = new HttpRequestOptions
|
|
{
|
|
Url = mediaPath,
|
|
UserAgent = GetUserAgent(mediaPath),
|
|
BufferContent = false
|
|
};
|
|
|
|
var response = await HttpClient.GetResponse(options).ConfigureAwait(false);
|
|
|
|
responseHeaders["Accept-Ranges"] = "none";
|
|
|
|
var length = response.Headers["Content-Length"];
|
|
|
|
if (!string.IsNullOrEmpty(length))
|
|
{
|
|
responseHeaders["Content-Length"] = length;
|
|
}
|
|
|
|
if (isHeadRequest)
|
|
{
|
|
using (response.Content)
|
|
{
|
|
return ResultFactory.GetResult(new byte[] { }, response.ContentType, responseHeaders);
|
|
}
|
|
}
|
|
|
|
var result = new StaticRemoteStreamWriter(response);
|
|
|
|
result.Options["Content-Type"] = response.ContentType;
|
|
|
|
// Add the response headers to the result object
|
|
foreach (var header in responseHeaders)
|
|
{
|
|
result.Options[header.Key] = header.Value;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the stream result.
|
|
/// </summary>
|
|
/// <param name="state">The state.</param>
|
|
/// <param name="responseHeaders">The response headers.</param>
|
|
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
|
|
/// <returns>Task{System.Object}.</returns>
|
|
private async Task<object> GetStreamResult(StreamState state, IDictionary<string, string> responseHeaders, bool isHeadRequest)
|
|
{
|
|
// Use the command line args with a dummy playlist path
|
|
var outputPath = GetOutputFilePath(state);
|
|
|
|
responseHeaders["Accept-Ranges"] = "none";
|
|
|
|
var contentType = MimeTypes.GetMimeType(outputPath);
|
|
|
|
// Headers only
|
|
if (isHeadRequest)
|
|
{
|
|
var streamResult = ResultFactory.GetResult(new byte[] { }, contentType, responseHeaders);
|
|
var hasOptions = streamResult as IHasOptions;
|
|
if (hasOptions != null)
|
|
{
|
|
if (hasOptions.Options.ContainsKey("Content-Length"))
|
|
{
|
|
hasOptions.Options.Remove("Content-Length");
|
|
}
|
|
}
|
|
return streamResult;
|
|
}
|
|
|
|
if (!File.Exists(outputPath))
|
|
{
|
|
await StartFfMpeg(state, outputPath).ConfigureAwait(false);
|
|
}
|
|
else
|
|
{
|
|
ApiEntryPoint.Instance.OnTranscodeBeginRequest(outputPath, TranscodingJobType.Progressive);
|
|
}
|
|
|
|
var result = new ProgressiveStreamWriter(outputPath, Logger, FileSystem);
|
|
|
|
result.Options["Content-Type"] = contentType;
|
|
|
|
// Add the response headers to the result object
|
|
foreach (var item in responseHeaders)
|
|
{
|
|
result.Options[item.Key] = item.Value;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
}
|
|
}
|