jellyfin-server/MediaBrowser.Api/Playback/Progressive/AudioService.cs
2013-08-29 22:13:58 -04:00

127 lines
4.6 KiB
C#

using MediaBrowser.Common.IO;
using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.IO;
using ServiceStack.ServiceHost;
using System;
using System.Collections.Generic;
using System.IO;
namespace MediaBrowser.Api.Playback.Progressive
{
/// <summary>
/// Class GetAudioStream
/// </summary>
[Route("/Audio/{Id}/stream.mp3", "GET")]
[Route("/Audio/{Id}/stream.wma", "GET")]
[Route("/Audio/{Id}/stream.aac", "GET")]
[Route("/Audio/{Id}/stream.flac", "GET")]
[Route("/Audio/{Id}/stream.ogg", "GET")]
[Route("/Audio/{Id}/stream.oga", "GET")]
[Route("/Audio/{Id}/stream.webm", "GET")]
[Route("/Audio/{Id}/stream", "GET")]
[Route("/Audio/{Id}/stream.mp3", "HEAD")]
[Route("/Audio/{Id}/stream.wma", "HEAD")]
[Route("/Audio/{Id}/stream.aac", "HEAD")]
[Route("/Audio/{Id}/stream.flac", "HEAD")]
[Route("/Audio/{Id}/stream.ogg", "HEAD")]
[Route("/Audio/{Id}/stream.oga", "HEAD")]
[Route("/Audio/{Id}/stream.webm", "HEAD")]
[Route("/Audio/{Id}/stream", "HEAD")]
[Api(Description = "Gets an audio stream")]
public class GetAudioStream : StreamRequest
{
}
/// <summary>
/// Class AudioService
/// </summary>
public class AudioService : BaseProgressiveStreamingService
{
/// <summary>
/// Initializes a new instance of the <see cref="AudioService"/> class.
/// </summary>
/// <param name="appPaths">The app paths.</param>
/// <param name="userManager">The user manager.</param>
/// <param name="libraryManager">The library manager.</param>
/// <param name="isoManager">The iso manager.</param>
/// <param name="mediaEncoder">The media encoder.</param>
public AudioService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepo)
: base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, itemRepo)
{
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetAudioStream request)
{
return ProcessRequest(request, false);
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Head(GetAudioStream request)
{
return ProcessRequest(request, true);
}
/// <summary>
/// Gets the command line arguments.
/// </summary>
/// <param name="outputPath">The output path.</param>
/// <param name="state">The state.</param>
/// <param name="performSubtitleConversions">if set to <c>true</c> [perform subtitle conversions].</param>
/// <returns>System.String.</returns>
/// <exception cref="System.InvalidOperationException">Only aac and mp3 audio codecs are supported.</exception>
protected override string GetCommandLineArguments(string outputPath, StreamState state, bool performSubtitleConversions)
{
var request = state.Request;
var audioTranscodeParams = new List<string>();
if (string.Equals(Path.GetExtension(outputPath), ".aac", StringComparison.OrdinalIgnoreCase))
{
audioTranscodeParams.Add("-strict experimental");
}
var bitrate = GetAudioBitrateParam(state);
if (bitrate.HasValue)
{
audioTranscodeParams.Add("-ab " + bitrate.Value.ToString(UsCulture));
}
var channels = GetNumAudioChannelsParam(request, state.AudioStream);
if (channels.HasValue)
{
audioTranscodeParams.Add("-ac " + channels.Value);
}
if (request.AudioSampleRate.HasValue)
{
audioTranscodeParams.Add("-ar " + request.AudioSampleRate.Value);
}
const string vn = " -vn";
return string.Format("{0} -i {1}{2} -threads 0{5} {3} -id3v2_version 3 -write_id3v1 1 \"{4}\"",
GetFastSeekCommandLineParameter(request),
GetInputArgument(state.Item, state.IsoMount),
GetSlowSeekCommandLineParameter(request),
string.Join(" ", audioTranscodeParams.ToArray()),
outputPath,
vn).Trim();
}
}
}