jellyfin/MediaBrowser.Api/Playback/Progressive/AudioService.cs
2013-02-26 23:19:05 -05:00

87 lines
2.8 KiB
C#

using MediaBrowser.Controller;
using ServiceStack.ServiceHost;
using System.Collections.Generic;
namespace MediaBrowser.Api.Playback.Progressive
{
/// <summary>
/// Class GetAudioStream
/// </summary>
[Route("/Audio/{Id}.mp3", "GET")]
[Route("/Audio/{Id}.wma", "GET")]
[Route("/Audio/{Id}.aac", "GET")]
[Route("/Audio/{Id}.flac", "GET")]
[Route("/Audio/{Id}.ogg", "GET")]
[Route("/Audio/{Id}", "GET")]
public class GetAudioStream : StreamRequest
{
}
/// <summary>
/// Class AudioService
/// </summary>
public class AudioService : BaseProgressiveStreamingService
{
/// <summary>
/// Initializes a new instance of the <see cref="BaseProgressiveStreamingService" /> class.
/// </summary>
/// <param name="appPaths">The app paths.</param>
public AudioService(IServerApplicationPaths appPaths)
: base(appPaths)
{
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetAudioStream request)
{
return ProcessRequest(request);
}
/// <summary>
/// Gets the command line arguments.
/// </summary>
/// <param name="outputPath">The output path.</param>
/// <param name="state">The state.</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)
{
var request = state.Request;
var audioTranscodeParams = new List<string>();
if (request.AudioBitRate.HasValue)
{
audioTranscodeParams.Add("-ab " + request.AudioBitRate.Value);
}
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();
}
}
}