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added full m3u8 generation

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This commit is contained in:
Luke Pulverenti 2014-01-12 16:32:13 -05:00
parent 17962f2e61
commit e4f5a3f005
8 changed files with 186 additions and 99 deletions
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11
MediaBrowser.Api/BaseApiService.cs
View file

@ -1,13 +1,13 @@
using System.IO;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Logging;
using ServiceStack.Web;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using ServiceStack.Web;
namespace MediaBrowser.Api
{
@ -52,11 +52,6 @@ namespace MediaBrowser.Api
return ResultFactory.GetOptimizedResult(Request, result);
}
protected object ToStreamResult(Stream stream, string contentType)
{
return ResultFactory.GetResult(stream, contentType);
}
/// <summary>
/// To the optimized result using cache.
/// </summary>

70
MediaBrowser.Api/Library/LibraryHelpers.cs
View file

@ -68,8 +68,6 @@ namespace MediaBrowser.Api.Library
var rootFolderPath = user != null ? user.RootFolderPath : appPaths.DefaultUserViewsPath;
var virtualFolderPath = Path.Combine(rootFolderPath, virtualFolderName);
ValidateNewMediaPath(fileSystem, rootFolderPath, path);
var shortcutFilename = Path.GetFileNameWithoutExtension(path);
var lnk = Path.Combine(virtualFolderPath, shortcutFilename + ShortcutFileExtension);
@ -82,73 +80,5 @@ namespace MediaBrowser.Api.Library
fileSystem.CreateShortcut(lnk, path);
}
/// <summary>
/// Validates that a new media path can be added
/// </summary>
/// <param name="fileSystem">The file system.</param>
/// <param name="currentViewRootFolderPath">The current view root folder path.</param>
/// <param name="mediaPath">The media path.</param>
/// <exception cref="System.ArgumentException">
/// </exception>
private static void ValidateNewMediaPath(IFileSystem fileSystem, string currentViewRootFolderPath, string mediaPath)
{
var pathsInCurrentVIew = Directory.EnumerateFiles(currentViewRootFolderPath, ShortcutFileSearch, SearchOption.AllDirectories)
.Select(fileSystem.ResolveShortcut)
.ToList();
// Don't allow duplicate sub-paths within the same user library, or it will result in duplicate items
// See comments in IsNewPathValid
var duplicate = pathsInCurrentVIew
.FirstOrDefault(p => !IsNewPathValid(fileSystem, mediaPath, p));
if (!string.IsNullOrEmpty(duplicate))
{
throw new ArgumentException(string.Format("The path cannot be added to the library because {0} already exists.", duplicate));
}
// Make sure the current root folder doesn't already have a shortcut to the same path
duplicate = pathsInCurrentVIew
.FirstOrDefault(p => string.Equals(mediaPath, p, StringComparison.OrdinalIgnoreCase));
if (!string.IsNullOrEmpty(duplicate))
{
throw new ArgumentException(string.Format("The path {0} already exists in the library", mediaPath));
}
}
/// <summary>
/// Validates that a new path can be added based on an existing path
/// </summary>
/// <param name="fileSystem">The file system.</param>
/// <param name="newPath">The new path.</param>
/// <param name="existingPath">The existing path.</param>
/// <returns><c>true</c> if [is new path valid] [the specified new path]; otherwise, <c>false</c>.</returns>
private static bool IsNewPathValid(IFileSystem fileSystem, string newPath, string existingPath)
{
// Example: D:\Movies is the existing path
// D:\ cannot be added
// Neither can D:\Movies\Kids
// A D:\Movies duplicate is ok here since that will be caught later
if (string.Equals(newPath, existingPath, StringComparison.OrdinalIgnoreCase))
{
return true;
}
// If enforceSubPathRestriction is true, validate the D:\Movies\Kids scenario
if (fileSystem.ContainsSubPath(existingPath, newPath))
{
return false;
}
// Validate the D:\ scenario
if (fileSystem.ContainsSubPath(newPath, existingPath))
{
return false;
}
return true;
}
}
}

2
MediaBrowser.Api/Playback/BaseStreamingService.cs
View file

@ -1042,6 +1042,7 @@ namespace MediaBrowser.Api.Playback
}
itemId = recording.Id;
//state.RunTimeTicks = recording.RunTimeTicks;
state.SendInputOverStandardInput = recording.RecordingInfo.Status == RecordingStatus.InProgress;
}
else if (string.Equals(request.Type, "Channel", StringComparison.OrdinalIgnoreCase))
@ -1090,6 +1091,7 @@ namespace MediaBrowser.Api.Playback
: video.PlayableStreamFileNames.ToList();
}
state.RunTimeTicks = item.RunTimeTicks;
itemId = item.Id;
}

27
MediaBrowser.Api/Playback/Hls/BaseHlsService.cs
View file

@ -75,18 +75,23 @@ namespace MediaBrowser.Api.Playback.Hls
/// <returns>System.Object.</returns>
protected object ProcessRequest(StreamRequest request)
{
var state = GetState(request, CancellationToken.None).Result;
return ProcessRequestAsync(state).Result;
return ProcessRequestAsync(request).Result;
}
/// <summary>
/// Processes the request async.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="request">The request.</param>
/// <returns>Task{System.Object}.</returns>
public async Task<object> ProcessRequestAsync(StreamState state)
/// <exception cref="ArgumentException">
/// A video bitrate is required
/// or
/// An audio bitrate is required
/// </exception>
private async Task<object> ProcessRequestAsync(StreamRequest request)
{
var state = GetState(request, CancellationToken.None).Result;
if (!state.VideoRequest.VideoBitRate.HasValue && (!state.VideoRequest.VideoCodec.HasValue || state.VideoRequest.VideoCodec.Value != VideoCodecs.Copy))
{
throw new ArgumentException("A video bitrate is required");
@ -155,7 +160,7 @@ namespace MediaBrowser.Api.Playback.Hls
/// <param name="state">The state.</param>
/// <param name="audioBitrate">The audio bitrate.</param>
/// <param name="videoBitrate">The video bitrate.</param>
private void GetPlaylistBitrates(StreamState state, out int audioBitrate, out int videoBitrate)
protected void GetPlaylistBitrates(StreamState state, out int audioBitrate, out int videoBitrate)
{
var audioBitrateParam = GetAudioBitrateParam(state);
var videoBitrateParam = GetVideoBitrateParam(state);
@ -269,7 +274,7 @@ namespace MediaBrowser.Api.Playback.Hls
var threads = GetNumberOfThreads(false);
var args = string.Format("{0}{1} {2} {3} -i {4}{5} -map_metadata -1 -threads {6} {7} {8} -sc_threshold 0 {9} -hls_time 10 -start_number 0 -hls_list_size 1440 \"{10}\"",
var args = string.Format("{0}{1} {2} {3} -i {4}{5} -map_metadata -1 -threads {6} {7} {8} -sc_threshold 0 {9} -hls_time {10} -start_number 0 -hls_list_size 1440 \"{11}\"",
itsOffset,
probeSize,
GetUserAgentParam(state.MediaPath),
@ -280,6 +285,7 @@ namespace MediaBrowser.Api.Playback.Hls
GetMapArgs(state),
GetVideoArguments(state, performSubtitleConversions),
GetAudioArguments(state),
state.SegmentLength.ToString(UsCulture),
outputPath
).Trim();
@ -291,10 +297,11 @@ namespace MediaBrowser.Api.Playback.Hls
var bitrate = hlsVideoRequest.BaselineStreamAudioBitRate ?? 64000;
var lowBitrateParams = string.Format(" -threads {0} -vn -codec:a:0 libmp3lame -ac 2 -ab {2} -hls_time 10 -start_number 0 -hls_list_size 1440 \"{1}\"",
var lowBitrateParams = string.Format(" -threads {0} -vn -codec:a:0 libmp3lame -ac 2 -ab {1} -hls_time {2} -start_number 0 -hls_list_size 1440 \"{3}\"",
threads,
lowBitratePath,
bitrate / 2);
bitrate / 2,
state.SegmentLength.ToString(UsCulture),
lowBitratePath);
args += " " + lowBitrateParams;
}

150
MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
View file

@ -5,9 +5,14 @@ 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 ServiceStack;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Api.Playback.Hls
{
@ -28,6 +33,29 @@ namespace MediaBrowser.Api.Playback.Hls
public int TimeStampOffsetMs { get; set; }
}
[Route("/Videos/{Id}/master.m3u8", "GET")]
[Api(Description = "Gets a video stream using HTTP live streaming.")]
public class GetMasterHlsVideoStream : VideoStreamRequest
{
[ApiMember(Name = "BaselineStreamAudioBitRate", Description = "Optional. Specify the audio bitrate for the baseline stream.", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "GET")]
public int? BaselineStreamAudioBitRate { get; set; }
[ApiMember(Name = "AppendBaselineStream", Description = "Optional. Whether or not to include a baseline audio-only stream in the master playlist.", IsRequired = false, DataType = "bool", ParameterType = "query", Verb = "GET")]
public bool AppendBaselineStream { get; set; }
}
[Route("/Videos/{Id}/main.m3u8", "GET")]
[Api(Description = "Gets a video stream using HTTP live streaming.")]
public class GetMainHlsVideoStream : VideoStreamRequest
{
}
[Route("/Videos/{Id}/baseline.m3u8", "GET")]
[Api(Description = "Gets a video stream using HTTP live streaming.")]
public class GetBaselineHlsVideoStream : VideoStreamRequest
{
}
/// <summary>
/// Class VideoHlsService
/// </summary>
@ -38,6 +66,128 @@ namespace MediaBrowser.Api.Playback.Hls
{
}
public object Get(GetMasterHlsVideoStream request)
{
var result = GetAsync(request).Result;
return result;
}
public object Get(GetMainHlsVideoStream request)
{
var result = GetPlaylistAsync(request, "main").Result;
return result;
}
public object Get(GetBaselineHlsVideoStream request)
{
var result = GetPlaylistAsync(request, "baseline").Result;
return result;
}
private async Task<object> GetPlaylistAsync(VideoStreamRequest request, string name)
{
var state = await GetState(request, CancellationToken.None).ConfigureAwait(false);
var builder = new StringBuilder();
builder.AppendLine("#EXTM3U");
builder.AppendLine("#EXT-X-VERSION:3");
builder.AppendLine("#EXT-X-TARGETDURATION:" + state.SegmentLength.ToString(UsCulture));
builder.AppendLine("#EXT-X-MEDIA-SEQUENCE:0");
var queryStringIndex = Request.RawUrl.IndexOf('?');
var queryString = queryStringIndex == -1 ? string.Empty : Request.RawUrl.Substring(queryStringIndex);
var seconds = TimeSpan.FromTicks(state.RunTimeTicks ?? 0).TotalSeconds;
var index = 0;
while (seconds > 0)
{
var length = seconds >= state.SegmentLength ? state.SegmentLength : seconds;
builder.AppendLine("#EXTINF:" + length.ToString(UsCulture));
builder.AppendLine(string.Format("hls/{0}/{1}.ts{2}" ,
name,
index.ToString(UsCulture),
queryString));
seconds -= state.SegmentLength;
index++;
}
builder.AppendLine("#EXT-X-ENDLIST");
var playlistText = builder.ToString();
return ResultFactory.GetResult(playlistText, MimeTypes.GetMimeType("playlist.m3u8"), new Dictionary<string, string>());
}
private async Task<object> GetAsync(GetMasterHlsVideoStream request)
{
var state = await GetState(request, CancellationToken.None).ConfigureAwait(false);
if (!state.VideoRequest.VideoBitRate.HasValue && (!state.VideoRequest.VideoCodec.HasValue || state.VideoRequest.VideoCodec.Value != VideoCodecs.Copy))
{
throw new ArgumentException("A video bitrate is required");
}
if (!state.Request.AudioBitRate.HasValue && (!state.Request.AudioCodec.HasValue || state.Request.AudioCodec.Value != AudioCodecs.Copy))
{
throw new ArgumentException("An audio bitrate is required");
}
int audioBitrate;
int videoBitrate;
GetPlaylistBitrates(state, out audioBitrate, out videoBitrate);
var appendBaselineStream = false;
var baselineStreamBitrate = 64000;
var hlsVideoRequest = state.VideoRequest as GetMasterHlsVideoStream;
if (hlsVideoRequest != null)
{
appendBaselineStream = hlsVideoRequest.AppendBaselineStream;
baselineStreamBitrate = hlsVideoRequest.BaselineStreamAudioBitRate ?? baselineStreamBitrate;
}
var playlistText = GetMasterPlaylistFileText(videoBitrate + audioBitrate, appendBaselineStream, baselineStreamBitrate);
return ResultFactory.GetResult(playlistText, MimeTypes.GetMimeType("playlist.m3u8"), new Dictionary<string, string>());
}
private string GetMasterPlaylistFileText(int bitrate, bool includeBaselineStream, int baselineStreamBitrate)
{
var builder = new StringBuilder();
builder.AppendLine("#EXTM3U");
// Pad a little to satisfy the apple hls validator
var paddedBitrate = Convert.ToInt32(bitrate * 1.05);
var queryStringIndex = Request.RawUrl.IndexOf('?');
var queryString = queryStringIndex == -1 ? string.Empty : Request.RawUrl.Substring(queryStringIndex);
// Main stream
builder.AppendLine("#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=" + paddedBitrate.ToString(UsCulture));
var playlistUrl = "main.m3u8" + queryString;
builder.AppendLine(playlistUrl);
// Low bitrate stream
if (includeBaselineStream)
{
builder.AppendLine("#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=" + baselineStreamBitrate.ToString(UsCulture));
playlistUrl = "baseline.m3u8" + queryString;
builder.AppendLine(playlistUrl);
}
return builder.ToString();
}
/// <summary>
/// Gets the specified request.
/// </summary>

8
MediaBrowser.Api/Playback/StreamState.cs
View file

@ -1,8 +1,8 @@
using System.Threading;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using System.Collections.Generic;
using System.IO;
using System.Threading;
namespace MediaBrowser.Api.Playback
{
@ -54,5 +54,9 @@ namespace MediaBrowser.Api.Playback
public CancellationTokenSource StandardInputCancellationTokenSource { get; set; }
public string LiveTvStreamId { get; set; }
public int SegmentLength = 10;
public long? RunTimeTicks;
}
}

8
MediaBrowser.Server.Implementations/HttpServer/StreamWriter.cs
View file

@ -2,6 +2,7 @@
using ServiceStack.Web;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Threading.Tasks;
@ -13,6 +14,8 @@ namespace MediaBrowser.Server.Implementations.HttpServer
public class StreamWriter : IStreamWriter, IHasOptions
{
private ILogger Logger { get; set; }
private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
/// <summary>
/// Gets or sets the source stream.
@ -50,6 +53,11 @@ namespace MediaBrowser.Server.Implementations.HttpServer
Logger = logger;
Options["Content-Type"] = contentType;
if (source.CanSeek)
{
Options["Content-Length"] = source.Length.ToString(UsCulture);
}
}
/// <summary>

9
MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj
View file

@ -157,15 +157,6 @@
<Content Include="dashboard-ui\css\images\media\tvflyout.png">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</Content>
<Content Include="dashboard-ui\css\images\userdata\starhalf.png">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</Content>
<Content Include="dashboard-ui\css\images\userdata\staroff.png">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</Content>
<Content Include="dashboard-ui\css\images\userdata\staron.png">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</Content>
<Content Include="dashboard-ui\css\livetv.css">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</Content>