483 lines
20 KiB
C#
483 lines
20 KiB
C#
using MediaBrowser.Controller.Dlna;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Entities;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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namespace MediaBrowser.Dlna.PlayTo
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{
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public class PlaylistItemFactory
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{
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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public PlaylistItem Create(Audio item, List<MediaStream> mediaStreams, DeviceProfile profile)
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{
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var playlistItem = new PlaylistItem
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{
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ItemId = item.Id.ToString("N"),
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MediaType = DlnaProfileType.Audio
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};
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var audioStream = mediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Audio);
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var directPlay = profile.DirectPlayProfiles
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.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsSupported(i, item, audioStream));
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if (directPlay != null)
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{
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var audioCodec = audioStream == null ? null : audioStream.Codec;
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// Make sure audio codec profiles are satisfied
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if (!string.IsNullOrEmpty(audioCodec) && profile.CodecProfiles.Where(i => i.Type == CodecType.Audio && i.ContainsCodec(audioCodec))
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.All(i => AreConditionsSatisfied(i.Conditions, item.Path, null, audioStream)))
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{
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playlistItem.Transcode = false;
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playlistItem.Container = Path.GetExtension(item.Path);
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return playlistItem;
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}
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}
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var transcodingProfile = profile.TranscodingProfiles
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.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsSupported(profile, i, item));
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if (transcodingProfile != null)
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{
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playlistItem.Transcode = true;
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playlistItem.Container = "." + transcodingProfile.Container.TrimStart('.');
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playlistItem.AudioCodec = transcodingProfile.AudioCodec;
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var audioTranscodingConditions = profile.CodecProfiles
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.Where(i => i.Type == CodecType.Audio && i.ContainsCodec(transcodingProfile.AudioCodec))
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.Take(1)
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.SelectMany(i => i.Conditions);
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ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
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}
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return playlistItem;
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}
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public PlaylistItem Create(Photo item, DeviceProfile profile)
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{
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var playlistItem = new PlaylistItem
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{
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ItemId = item.Id.ToString("N"),
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MediaType = DlnaProfileType.Photo
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};
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var directPlay = profile.DirectPlayProfiles
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.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsSupported(i, item));
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if (directPlay != null)
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{
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playlistItem.Transcode = false;
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playlistItem.Container = Path.GetExtension(item.Path);
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return playlistItem;
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}
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var transcodingProfile = profile.TranscodingProfiles
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.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsSupported(profile, i, item));
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if (transcodingProfile != null)
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{
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playlistItem.Transcode = true;
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playlistItem.Container = "." + transcodingProfile.Container.TrimStart('.');
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}
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return playlistItem;
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}
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public PlaylistItem Create(Video item, List<MediaStream> mediaStreams, DeviceProfile profile)
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{
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var playlistItem = new PlaylistItem
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{
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ItemId = item.Id.ToString("N"),
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MediaType = DlnaProfileType.Video
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};
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var audioStream = mediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Audio);
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var videoStream = mediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Video);
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var directPlay = profile.DirectPlayProfiles
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.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsSupported(i, item, videoStream, audioStream));
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if (directPlay != null)
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{
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var videoCodec = videoStream == null ? null : videoStream.Codec;
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// Make sure video codec profiles are satisfied
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if (!string.IsNullOrEmpty(videoCodec) && profile.CodecProfiles.Where(i => i.Type == CodecType.Video && i.ContainsCodec(videoCodec))
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.All(i => AreConditionsSatisfied(i.Conditions, item.Path, videoStream, audioStream)))
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{
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var audioCodec = audioStream == null ? null : audioStream.Codec;
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// Make sure audio codec profiles are satisfied
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if (string.IsNullOrEmpty(audioCodec) || profile.CodecProfiles.Where(i => i.Type == CodecType.VideoAudio && i.ContainsCodec(audioCodec))
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.All(i => AreConditionsSatisfied(i.Conditions, item.Path, videoStream, audioStream)))
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{
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playlistItem.Transcode = false;
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playlistItem.Container = Path.GetExtension(item.Path);
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return playlistItem;
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}
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}
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}
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var transcodingProfile = profile.TranscodingProfiles
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.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsSupported(profile, i, item));
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if (transcodingProfile != null)
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{
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playlistItem.Transcode = true;
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playlistItem.Container = "." + transcodingProfile.Container.TrimStart('.');
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playlistItem.AudioCodec = transcodingProfile.AudioCodec.Split(',').FirstOrDefault();
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playlistItem.VideoCodec = transcodingProfile.VideoCodec;
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var videoTranscodingConditions = profile.CodecProfiles
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.Where(i => i.Type == CodecType.Video && i.ContainsCodec(transcodingProfile.VideoCodec))
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.Take(1)
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.SelectMany(i => i.Conditions);
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ApplyTranscodingConditions(playlistItem, videoTranscodingConditions);
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var audioTranscodingConditions = profile.CodecProfiles
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.Where(i => i.Type == CodecType.VideoAudio && i.ContainsCodec(transcodingProfile.AudioCodec))
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.Take(1)
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.SelectMany(i => i.Conditions);
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ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
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}
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return playlistItem;
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}
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private void ApplyTranscodingConditions(PlaylistItem item, IEnumerable<ProfileCondition> conditions)
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{
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foreach (var condition in conditions
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.Where(i => !string.IsNullOrEmpty(i.Value)))
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{
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var value = condition.Value;
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switch (condition.Property)
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{
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case ProfileConditionValue.AudioBitrate:
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{
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int num;
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if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
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{
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item.AudioBitrate = num;
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}
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break;
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}
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case ProfileConditionValue.AudioChannels:
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{
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int num;
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if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
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{
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item.MaxAudioChannels = num;
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}
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break;
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}
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case ProfileConditionValue.AudioProfile:
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case ProfileConditionValue.Has64BitOffsets:
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case ProfileConditionValue.VideoBitDepth:
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case ProfileConditionValue.VideoProfile:
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{
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// Not supported yet
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break;
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}
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case ProfileConditionValue.Height:
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{
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int num;
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if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
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{
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item.MaxHeight = num;
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}
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break;
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}
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case ProfileConditionValue.VideoBitrate:
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{
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int num;
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if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
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{
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item.VideoBitrate = num;
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}
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break;
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}
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case ProfileConditionValue.VideoFramerate:
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{
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int num;
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if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
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{
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item.MaxFramerate = num;
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}
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break;
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}
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case ProfileConditionValue.VideoLevel:
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{
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int num;
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if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
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{
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item.VideoLevel = num;
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}
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break;
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}
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case ProfileConditionValue.Width:
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{
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int num;
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if (int.TryParse(value, NumberStyles.Any, _usCulture, out num))
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{
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item.MaxWidth = num;
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}
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break;
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}
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default:
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throw new ArgumentException("Unrecognized ProfileConditionValue");
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}
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}
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}
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private bool IsSupported(DirectPlayProfile profile, Photo item)
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{
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var mediaPath = item.Path;
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if (profile.Container.Length > 0)
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{
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// Check container type
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var mediaContainer = Path.GetExtension(mediaPath);
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if (!profile.GetContainers().Any(i => string.Equals("." + i.TrimStart('.'), mediaContainer, StringComparison.OrdinalIgnoreCase)))
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{
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return false;
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}
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}
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return true;
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}
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private bool IsSupported(DirectPlayProfile profile, Audio item, MediaStream audioStream)
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{
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var mediaPath = item.Path;
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if (profile.Container.Length > 0)
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{
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// Check container type
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var mediaContainer = Path.GetExtension(mediaPath);
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if (!profile.GetContainers().Any(i => string.Equals("." + i.TrimStart('.'), mediaContainer, StringComparison.OrdinalIgnoreCase)))
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{
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return false;
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}
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}
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return true;
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}
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private bool IsSupported(DirectPlayProfile profile, Video item, MediaStream videoStream, MediaStream audioStream)
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{
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if (item.VideoType != VideoType.VideoFile)
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{
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return false;
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}
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var mediaPath = item.Path;
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if (profile.Container.Length > 0)
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{
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// Check container type
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var mediaContainer = Path.GetExtension(mediaPath);
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if (!profile.GetContainers().Any(i => string.Equals("." + i.TrimStart('.'), mediaContainer, StringComparison.OrdinalIgnoreCase)))
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{
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return false;
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}
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}
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// Check video codec
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var videoCodecs = profile.GetVideoCodecs();
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if (videoCodecs.Count > 0)
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{
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var videoCodec = videoStream == null ? null : videoStream.Codec;
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if (string.IsNullOrWhiteSpace(videoCodec) || !videoCodecs.Contains(videoCodec, StringComparer.OrdinalIgnoreCase))
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{
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return false;
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}
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}
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var audioCodecs = profile.GetAudioCodecs();
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if (audioCodecs.Count > 0)
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{
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// Check audio codecs
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var audioCodec = audioStream == null ? null : audioStream.Codec;
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if (string.IsNullOrWhiteSpace(audioCodec) || !audioCodecs.Contains(audioCodec, StringComparer.OrdinalIgnoreCase))
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{
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return false;
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}
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}
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return true;
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}
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private bool IsSupported(DeviceProfile profile, TranscodingProfile transcodingProfile, Audio item)
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{
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// Placeholder for future conditions
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return true;
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}
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private bool IsSupported(DeviceProfile profile, TranscodingProfile transcodingProfile, Photo item)
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{
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// Placeholder for future conditions
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return true;
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}
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private bool IsSupported(DeviceProfile profile, TranscodingProfile transcodingProfile, Video item)
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{
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// Placeholder for future conditions
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return true;
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}
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private bool AreConditionsSatisfied(IEnumerable<ProfileCondition> conditions, string mediaPath, MediaStream videoStream, MediaStream audioStream)
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{
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return conditions.All(i => IsConditionSatisfied(i, mediaPath, videoStream, audioStream));
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}
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/// <summary>
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/// Determines whether [is condition satisfied] [the specified condition].
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/// </summary>
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/// <param name="condition">The condition.</param>
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/// <param name="mediaPath">The media path.</param>
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/// <param name="videoStream">The video stream.</param>
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/// <param name="audioStream">The audio stream.</param>
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/// <returns><c>true</c> if [is condition satisfied] [the specified condition]; otherwise, <c>false</c>.</returns>
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/// <exception cref="System.InvalidOperationException">Unexpected ProfileConditionType</exception>
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private bool IsConditionSatisfied(ProfileCondition condition, string mediaPath, MediaStream videoStream, MediaStream audioStream)
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{
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if (condition.Property == ProfileConditionValue.Has64BitOffsets)
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{
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// TODO: Determine how to evaluate this
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}
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if (condition.Property == ProfileConditionValue.VideoProfile)
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{
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var profile = videoStream == null ? null : videoStream.Profile;
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if (!string.IsNullOrWhiteSpace(profile))
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{
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switch (condition.Condition)
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{
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case ProfileConditionType.Equals:
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return string.Equals(profile, condition.Value, StringComparison.OrdinalIgnoreCase);
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case ProfileConditionType.NotEquals:
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return !string.Equals(profile, condition.Value, StringComparison.OrdinalIgnoreCase);
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default:
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throw new InvalidOperationException("Unexpected ProfileConditionType");
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}
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}
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}
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else if (condition.Property == ProfileConditionValue.AudioProfile)
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{
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var profile = audioStream == null ? null : audioStream.Profile;
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if (!string.IsNullOrWhiteSpace(profile))
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{
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switch (condition.Condition)
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{
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case ProfileConditionType.Equals:
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return string.Equals(profile, condition.Value, StringComparison.OrdinalIgnoreCase);
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case ProfileConditionType.NotEquals:
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return !string.Equals(profile, condition.Value, StringComparison.OrdinalIgnoreCase);
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default:
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throw new InvalidOperationException("Unexpected ProfileConditionType");
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}
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}
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}
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else
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{
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var actualValue = GetConditionValue(condition, mediaPath, videoStream, audioStream);
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if (actualValue.HasValue)
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{
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long expected;
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if (long.TryParse(condition.Value, NumberStyles.Any, _usCulture, out expected))
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{
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switch (condition.Condition)
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{
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case ProfileConditionType.Equals:
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return actualValue.Value == expected;
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case ProfileConditionType.GreaterThanEqual:
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return actualValue.Value >= expected;
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case ProfileConditionType.LessThanEqual:
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return actualValue.Value <= expected;
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case ProfileConditionType.NotEquals:
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return actualValue.Value != expected;
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default:
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throw new InvalidOperationException("Unexpected ProfileConditionType");
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}
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}
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}
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}
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// Value doesn't exist in metadata. Fail it if required.
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return !condition.IsRequired;
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}
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/// <summary>
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/// Gets the condition value.
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/// </summary>
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/// <param name="condition">The condition.</param>
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/// <param name="mediaPath">The media path.</param>
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/// <param name="videoStream">The video stream.</param>
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/// <param name="audioStream">The audio stream.</param>
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/// <returns>System.Nullable{System.Int64}.</returns>
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/// <exception cref="System.InvalidOperationException">Unexpected Property</exception>
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private long? GetConditionValue(ProfileCondition condition, string mediaPath, MediaStream videoStream, MediaStream audioStream)
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{
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switch (condition.Property)
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{
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case ProfileConditionValue.AudioBitrate:
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return audioStream == null ? null : audioStream.BitRate;
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case ProfileConditionValue.AudioChannels:
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return audioStream == null ? null : audioStream.Channels;
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case ProfileConditionValue.VideoBitrate:
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return videoStream == null ? null : videoStream.BitRate;
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case ProfileConditionValue.VideoFramerate:
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return videoStream == null ? null : (ConvertToLong(videoStream.AverageFrameRate ?? videoStream.RealFrameRate));
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case ProfileConditionValue.Height:
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return videoStream == null ? null : videoStream.Height;
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case ProfileConditionValue.Width:
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return videoStream == null ? null : videoStream.Width;
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case ProfileConditionValue.VideoLevel:
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return videoStream == null ? null : ConvertToLong(videoStream.Level);
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default:
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throw new InvalidOperationException("Unexpected Property");
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}
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}
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/// <summary>
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/// Converts to long.
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/// </summary>
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/// <param name="val">The value.</param>
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/// <returns>System.Nullable{System.Int64}.</returns>
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private long? ConvertToLong(float? val)
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{
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return val.HasValue ? Convert.ToInt64(val.Value) : (long?)null;
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}
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/// <summary>
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/// Converts to long.
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/// </summary>
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/// <param name="val">The value.</param>
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/// <returns>System.Nullable{System.Int64}.</returns>
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private long? ConvertToLong(double? val)
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{
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return val.HasValue ? Convert.ToInt64(val.Value) : (long?)null;
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}
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}
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}
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