235 lines
8.3 KiB
C#
235 lines
8.3 KiB
C#
using MediaBrowser.Common.IO;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Channels;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Dlna;
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using MediaBrowser.Controller.Drawing;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.LiveTv;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Model.IO;
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using ServiceStack;
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using System;
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using System.IO;
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namespace MediaBrowser.Api.Playback.Progressive
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{
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/// <summary>
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/// Class GetAudioStream
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/// </summary>
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[Route("/Videos/{Id}/stream.ts", "GET")]
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[Route("/Videos/{Id}/stream.webm", "GET")]
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[Route("/Videos/{Id}/stream.asf", "GET")]
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[Route("/Videos/{Id}/stream.wmv", "GET")]
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[Route("/Videos/{Id}/stream.ogv", "GET")]
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[Route("/Videos/{Id}/stream.mp4", "GET")]
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[Route("/Videos/{Id}/stream.m4v", "GET")]
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[Route("/Videos/{Id}/stream.mkv", "GET")]
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[Route("/Videos/{Id}/stream.mpeg", "GET")]
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[Route("/Videos/{Id}/stream.mpg", "GET")]
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[Route("/Videos/{Id}/stream.avi", "GET")]
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[Route("/Videos/{Id}/stream.m2ts", "GET")]
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[Route("/Videos/{Id}/stream.3gp", "GET")]
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[Route("/Videos/{Id}/stream.wmv", "GET")]
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[Route("/Videos/{Id}/stream.wtv", "GET")]
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[Route("/Videos/{Id}/stream", "GET")]
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[Route("/Videos/{Id}/stream.ts", "HEAD")]
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[Route("/Videos/{Id}/stream.webm", "HEAD")]
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[Route("/Videos/{Id}/stream.asf", "HEAD")]
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[Route("/Videos/{Id}/stream.wmv", "HEAD")]
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[Route("/Videos/{Id}/stream.ogv", "HEAD")]
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[Route("/Videos/{Id}/stream.mp4", "HEAD")]
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[Route("/Videos/{Id}/stream.m4v", "HEAD")]
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[Route("/Videos/{Id}/stream.mkv", "HEAD")]
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[Route("/Videos/{Id}/stream.mpeg", "HEAD")]
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[Route("/Videos/{Id}/stream.mpg", "HEAD")]
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[Route("/Videos/{Id}/stream.avi", "HEAD")]
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[Route("/Videos/{Id}/stream.3gp", "HEAD")]
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[Route("/Videos/{Id}/stream.wmv", "HEAD")]
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[Route("/Videos/{Id}/stream.wtv", "HEAD")]
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[Route("/Videos/{Id}/stream.m2ts", "HEAD")]
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[Route("/Videos/{Id}/stream", "HEAD")]
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[Route("/Videos/{Id}/stream.mp4", "OPTIONS")]
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[Route("/Videos/{Id}/stream.m4v", "OPTIONS")]
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[Route("/Videos/{Id}/stream.mkv", "OPTIONS")]
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[Route("/Videos/{Id}/stream.avi", "OPTIONS")]
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[Route("/Videos/{Id}/stream.webm", "OPTIONS")]
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[Route("/Videos/{Id}/stream.ts", "OPTIONS")]
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[Api(Description = "Gets a video stream")]
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public class GetVideoStream : VideoStreamRequest
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{
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}
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/// <summary>
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/// Class VideoService
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/// </summary>
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public class VideoService : BaseProgressiveStreamingService
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{
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public VideoService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IFileSystem fileSystem, ILiveTvManager liveTvManager, IDlnaManager dlnaManager, IChannelManager channelManager, ISubtitleEncoder subtitleEncoder, IImageProcessor imageProcessor, IHttpClient httpClient) : base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, fileSystem, liveTvManager, dlnaManager, channelManager, subtitleEncoder, imageProcessor, httpClient)
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{
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}
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/// <summary>
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/// Gets the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Get(GetVideoStream request)
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{
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return ProcessRequest(request, false);
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}
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/// <summary>
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/// Heads the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Head(GetVideoStream request)
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{
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return ProcessRequest(request, true);
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}
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/// <summary>
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/// Optionses the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Options(GetVideoStream request)
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{
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return ProcessRequest(request, true);
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}
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/// <summary>
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/// Gets the command line arguments.
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/// </summary>
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/// <param name="outputPath">The output path.</param>
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/// <param name="state">The state.</param>
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/// <param name="isEncoding">if set to <c>true</c> [is encoding].</param>
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/// <returns>System.String.</returns>
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protected override string GetCommandLineArguments(string outputPath, StreamState state, bool isEncoding)
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{
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// Get the output codec name
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var videoCodec = state.OutputVideoCodec;
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var format = string.Empty;
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var keyFrame = string.Empty;
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if (string.Equals(Path.GetExtension(outputPath), ".mp4", StringComparison.OrdinalIgnoreCase))
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{
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format = " -f mp4 -movflags frag_keyframe+empty_moov";
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}
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var threads = GetNumberOfThreads(state, string.Equals(videoCodec, "libvpx", StringComparison.OrdinalIgnoreCase));
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var inputModifier = GetInputModifier(state);
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return string.Format("{0} -i {1}{2} {3} {4} -map_metadata -1 -threads {5} {6}{7} -y \"{8}\"",
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inputModifier,
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GetInputArgument(state),
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keyFrame,
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GetMapArgs(state),
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GetVideoArguments(state, videoCodec),
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threads,
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GetAudioArguments(state),
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format,
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outputPath
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).Trim();
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}
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/// <summary>
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/// Gets video arguments to pass to ffmpeg
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/// </summary>
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/// <param name="state">The state.</param>
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/// <param name="codec">The video codec.</param>
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/// <returns>System.String.</returns>
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private string GetVideoArguments(StreamState state, string codec)
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{
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var args = "-vcodec " + codec;
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if (state.EnableMpegtsM2TsMode)
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{
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args += " -mpegts_m2ts_mode 1";
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}
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// See if we can save come cpu cycles by avoiding encoding
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if (codec.Equals("copy", StringComparison.OrdinalIgnoreCase))
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{
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// TODO: Switch to -bsf dump_extra ?
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return state.VideoStream != null && IsH264(state.VideoStream) ? args + " -bsf h264_mp4toannexb" : args;
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}
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var keyFrameArg = string.Format(" -force_key_frames expr:gte(t,n_forced*{0})",
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5.ToString(UsCulture));
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args += keyFrameArg;
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var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream;
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// Add resolution params, if specified
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if (!hasGraphicalSubs)
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{
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args += GetOutputSizeParam(state, codec);
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}
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var qualityParam = GetVideoQualityParam(state, codec, false);
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if (!string.IsNullOrEmpty(qualityParam))
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{
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args += " " + qualityParam.Trim();
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}
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// This is for internal graphical subs
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if (hasGraphicalSubs)
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{
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args += GetGraphicalSubtitleParam(state, codec);
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}
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return args;
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}
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/// <summary>
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/// Gets audio arguments to pass to ffmpeg
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/// </summary>
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/// <param name="state">The state.</param>
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/// <returns>System.String.</returns>
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private string GetAudioArguments(StreamState state)
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{
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// If the video doesn't have an audio stream, return a default.
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if (state.AudioStream == null && state.VideoStream != null)
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{
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return string.Empty;
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}
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// Get the output codec name
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var codec = state.OutputAudioCodec;
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if (codec.Equals("copy", StringComparison.OrdinalIgnoreCase))
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{
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return "-acodec copy";
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}
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var args = "-acodec " + codec;
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// Add the number of audio channels
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var channels = state.OutputAudioChannels;
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if (channels.HasValue)
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{
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args += " -ac " + channels.Value;
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}
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var bitrate = state.OutputAudioBitrate;
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if (bitrate.HasValue)
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{
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args += " -ab " + bitrate.Value.ToString(UsCulture);
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}
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args += " " + GetAudioFilterParam(state, false);
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return args;
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}
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}
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}
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