Ejemplo n.º 1
0
        public StreamInfo BuildVideoItem(VideoOptions options)
        {
            ValidateInput(options);

            List<MediaSourceInfo> mediaSources = options.MediaSources;

            // If the client wants a specific media source, filter now
            if (!string.IsNullOrEmpty(options.MediaSourceId))
            {
                var newMediaSources = new List<MediaSourceInfo>();
                foreach (MediaSourceInfo i in mediaSources)
                {
                    if (StringHelper.EqualsIgnoreCase(i.Id, options.MediaSourceId))
                        newMediaSources.Add(i);
                }

                mediaSources = newMediaSources;
            }

            List<StreamInfo> streams = new List<StreamInfo>();
            foreach (MediaSourceInfo i in mediaSources)
                streams.Add(BuildVideoItem(i, options));

            foreach (StreamInfo stream in streams)
            {
                stream.DeviceId = options.DeviceId;
                stream.DeviceProfileId = options.Profile.Id;
            }

            return GetOptimalStream(streams);
        }
Ejemplo n.º 2
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        public StreamInfo BuildVideoItem(VideoOptions options)
        {
            ValidateInput(options);

            List<MediaSourceInfo> mediaSources = new List<MediaSourceInfo>();
            foreach (MediaSourceInfo i in options.MediaSources)
            {
                if (string.IsNullOrEmpty(options.MediaSourceId) ||
                    StringHelper.EqualsIgnoreCase(i.Id, options.MediaSourceId))
                {
                    mediaSources.Add(i);
                }
            }

            List<StreamInfo> streams = new List<StreamInfo>();
            foreach (MediaSourceInfo i in mediaSources)
            {
                StreamInfo streamInfo = BuildVideoItem(i, options);
                if (streamInfo != null)
                {
                    streams.Add(streamInfo);
                }
            }

            foreach (StreamInfo stream in streams)
            {
                stream.DeviceId = options.DeviceId;
                stream.DeviceProfileId = options.Profile.Id;
            }

            return GetOptimalStream(streams);
        }
Ejemplo n.º 3
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        public StreamInfo BuildVideoItem(VideoOptions options)
        {
            ValidateInput(options);

            var mediaSources = options.MediaSources;

            // If the client wants a specific media soure, filter now
            if (!string.IsNullOrEmpty(options.MediaSourceId))
            {
                // Avoid implicitly captured closure
                var mediaSourceId = options.MediaSourceId;

                mediaSources = mediaSources
                    .Where(i => string.Equals(i.Id, mediaSourceId, StringComparison.OrdinalIgnoreCase))
                    .ToList();
            }

            var streams = mediaSources.Select(i => BuildVideoItem(i, options)).ToList();

            foreach (var stream in streams)
            {
                stream.DeviceId = options.DeviceId;
                stream.DeviceProfileId = options.Profile.Id;
            }

            return GetOptimalStream(streams);
        }
Ejemplo n.º 4
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        public Task<StreamInfo> GetVideoStreamInfo(string serverId, VideoOptions options)
        {
            var apiClient = _connectionManager.GetApiClient(serverId);
            options.DeviceId = _connectionManager.Device.DeviceId;

            return _apiPlaybackManager.GetVideoStreamInfo(serverId, options, false, apiClient);
        }
Ejemplo n.º 5
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        private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions options)
        {
            var playlistItem = new StreamInfo
            {
                ItemId = options.ItemId,
                MediaType = DlnaProfileType.Video,
                MediaSourceId = item.Id
            };

            var audioStream = item.MediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Audio);
            var videoStream = item.MediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Video);

            if (IsEligibleForDirectPlay(item, options))
            {
                // See if it can be direct played
                var directPlay = options.Profile.DirectPlayProfiles
                    .FirstOrDefault(i => i.Type == playlistItem.MediaType && IsVideoDirectPlaySupported(i, item, videoStream, audioStream));

                if (directPlay != null)
                {
                    var videoCodec = videoStream == null ? null : videoStream.Codec;

                    // Make sure video codec profiles are satisfied
                    if (!string.IsNullOrEmpty(videoCodec) && options.Profile.CodecProfiles.Where(i => i.Type == CodecType.Video && i.ContainsCodec(videoCodec))
                        .All(i => AreConditionsSatisfied(i.Conditions, item.Path, videoStream, audioStream)))
                    {
                        var audioCodec = audioStream == null ? null : audioStream.Codec;

                        // Make sure audio codec profiles are satisfied
                        if (string.IsNullOrEmpty(audioCodec) || options.Profile.CodecProfiles.Where(i => i.Type == CodecType.VideoAudio && i.ContainsCodec(audioCodec))
                            .All(i => AreConditionsSatisfied(i.Conditions, item.Path, videoStream, audioStream)))
                        {
                            playlistItem.IsDirectStream = true;
                            playlistItem.Container = item.Container;

                            return playlistItem;
                        }
                    }
                }
            }

            // Can't direct play, find the transcoding profile
            var transcodingProfile = options.Profile.TranscodingProfiles
                .FirstOrDefault(i => i.Type == playlistItem.MediaType);

            if (transcodingProfile != null)
            {
                playlistItem.IsDirectStream = false;
                playlistItem.Container = transcodingProfile.Container;
                playlistItem.AudioCodec = transcodingProfile.AudioCodec.Split(',').FirstOrDefault();
                playlistItem.VideoCodec = transcodingProfile.VideoCodec;

                var videoTranscodingConditions = options.Profile.CodecProfiles
                    .Where(i => i.Type == CodecType.Video && i.ContainsCodec(transcodingProfile.VideoCodec))
                    .Take(1)
                    .SelectMany(i => i.Conditions);

                ApplyTranscodingConditions(playlistItem, videoTranscodingConditions);

                var audioTranscodingConditions = options.Profile.CodecProfiles
                    .Where(i => i.Type == CodecType.VideoAudio && i.ContainsCodec(transcodingProfile.AudioCodec))
                    .Take(1)
                    .SelectMany(i => i.Conditions);

                ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);

                // Honor requested max channels
                if (options.MaxAudioChannels.HasValue)
                {
                    var currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;

                    playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
                }

                // Honor requested max bitrate
                if (options.MaxAudioTranscodingBitrate.HasValue)
                {
                    var currentValue = playlistItem.AudioBitrate ?? options.MaxAudioTranscodingBitrate.Value;

                    playlistItem.AudioBitrate = Math.Min(options.MaxAudioTranscodingBitrate.Value, currentValue);
                }

                // Honor max rate
                if (options.MaxBitrate.HasValue)
                {
                    var videoBitrate = options.MaxBitrate.Value;

                    if (playlistItem.AudioBitrate.HasValue)
                    {
                        videoBitrate -= playlistItem.AudioBitrate.Value;
                    }

                    var currentValue = playlistItem.VideoBitrate ?? videoBitrate;

                    playlistItem.VideoBitrate = Math.Min(videoBitrate, currentValue);
                }
            }

            return playlistItem;
        }
Ejemplo n.º 6
0
        private void ValidateInput(VideoOptions options)
        {
            ValidateAudioInput(options);

            if (options.AudioStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
            {
                throw new ArgumentException("MediaSourceId is required when a specific audio stream is requested");
            }

            if (options.SubtitleStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
            {
                throw new ArgumentException("MediaSourceId is required when a specific subtitle stream is requested");
            }
        }
Ejemplo n.º 7
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        private bool IsEligibleForDirectPlay(MediaSourceInfo item,
            int? maxBitrate,
            MediaStream subtitleStream,
            VideoOptions options,
            PlayMethod playMethod)
        {
            if (subtitleStream != null)
            {
                SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, options.Context, playMethod);

                if (subtitleProfile.Method != SubtitleDeliveryMethod.External && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
                {
                    _logger.Debug("Not eligible for {0} due to unsupported subtitles", playMethod);
                    return false;
                }
            }

            return IsAudioEligibleForDirectPlay(item, maxBitrate);
        }
Ejemplo n.º 8
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        private SubtitleDeliveryMethod GetSubtitleDeliveryMethod(MediaStream subtitleStream,
            VideoOptions options)
        {
            if (subtitleStream.IsTextSubtitleStream)
            {
                // See if the device can retrieve the subtitles externally
                bool supportsSubsExternally = options.Context == EncodingContext.Streaming &&
                    ContainsSubtitleFormat(options.Profile.SubtitleProfiles, SubtitleDeliveryMethod.External, _serverTextSubtitleOutputs);

                if (supportsSubsExternally)
                {
                    return SubtitleDeliveryMethod.External;
                }

                // See if the device can retrieve the subtitles externally
                bool supportsEmbedded = ContainsSubtitleFormat(options.Profile.SubtitleProfiles, SubtitleDeliveryMethod.Embed, _serverTextSubtitleOutputs);

                if (supportsEmbedded)
                {
                    return SubtitleDeliveryMethod.Embed;
                }
            }

            return SubtitleDeliveryMethod.Encode;
        }
Ejemplo n.º 9
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        /// <summary>
        /// Changes the video stream.
        /// </summary>
        /// <param name="currentInfo">The current information.</param>
        /// <param name="serverId">The server identifier.</param>
        /// <param name="options">The options.</param>
        /// <param name="apiClient">The API client.</param>
        /// <returns>Task&lt;StreamInfo&gt;.</returns>
        /// <exception cref="MediaBrowser.Model.Dlna.PlaybackException"></exception>
        public async Task<StreamInfo> ChangeVideoStream(StreamInfo currentInfo, string serverId, VideoOptions options, IApiClient apiClient)
        {
            await StopStranscoding(currentInfo, apiClient).ConfigureAwait(false);

            if (currentInfo.AllMediaSources != null)
            {
                options.MediaSources = currentInfo.AllMediaSources;
            }

            var streamInfo = await GetVideoStreamInfoInternal(serverId, options).ConfigureAwait(false);
            streamInfo.PlaySessionId = currentInfo.PlaySessionId;
            streamInfo.AllMediaSources = currentInfo.AllMediaSources;
            return streamInfo;
        }
Ejemplo n.º 10
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        private SubtitleDeliveryMethod GetDirectStreamSubtitleDeliveryMethod(MediaStream subtitleStream,
            VideoOptions options)
        {
            if (subtitleStream.IsTextSubtitleStream)
            {
                string subtitleFormat = NormalizeSubtitleFormat(subtitleStream.Codec);

                bool supportsDirect = ContainsSubtitleFormat(options.Profile.SoftSubtitleProfiles, new[] { subtitleFormat });

                if (supportsDirect)
                {
                    return SubtitleDeliveryMethod.Direct;
                }
                
                // See if the device can retrieve the subtitles externally
                bool supportsSubsExternally = options.Context == EncodingContext.Streaming &&
                    ContainsSubtitleFormat(options.Profile.ExternalSubtitleProfiles, _serverTextSubtitleOutputs);

                if (supportsSubsExternally)
                {
                    return SubtitleDeliveryMethod.External;
                }
            }

            return SubtitleDeliveryMethod.Encode;
        }
Ejemplo n.º 11
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        private PlayMethod? GetVideoDirectPlayProfile(VideoOptions options,
            MediaSourceInfo mediaSource,
            MediaStream videoStream,
            MediaStream audioStream,
            bool isEligibleForDirectPlay,
            bool isEligibleForDirectStream)
        {
            DeviceProfile profile = options.Profile;

            if (options.ForceDirectPlay)
            {
                return PlayMethod.DirectPlay;
            }
            if (options.ForceDirectStream)
            {
                return PlayMethod.DirectStream;
            }

            if (videoStream == null)
            {
                _logger.Info("Profile: {0}, Cannot direct stream with no known video stream. Path: {1}",
                    profile.Name ?? "Unknown Profile",
                    mediaSource.Path ?? "Unknown path");

                return null;
            }

            // See if it can be direct played
            DirectPlayProfile directPlay = null;
            foreach (DirectPlayProfile i in profile.DirectPlayProfiles)
            {
                if (i.Type == DlnaProfileType.Video && IsVideoDirectPlaySupported(i, mediaSource, videoStream, audioStream))
                {
                    directPlay = i;
                    break;
                }
            }

            if (directPlay == null)
            {
                _logger.Info("Profile: {0}, No direct play profiles found for Path: {1}",
                    profile.Name ?? "Unknown Profile",
                    mediaSource.Path ?? "Unknown path");

                return null;
            }

            string container = mediaSource.Container;

            List<ProfileCondition> conditions = new List<ProfileCondition>();
            foreach (ContainerProfile i in profile.ContainerProfiles)
            {
                if (i.Type == DlnaProfileType.Video &&
                    ListHelper.ContainsIgnoreCase(i.GetContainers(), container))
                {
                    foreach (ProfileCondition c in i.Conditions)
                    {
                        conditions.Add(c);
                    }
                }
            }

            ConditionProcessor conditionProcessor = new ConditionProcessor();

            int? width = videoStream == null ? null : videoStream.Width;
            int? height = videoStream == null ? null : videoStream.Height;
            int? bitDepth = videoStream == null ? null : videoStream.BitDepth;
            int? videoBitrate = videoStream == null ? null : videoStream.BitRate;
            double? videoLevel = videoStream == null ? null : videoStream.Level;
            string videoProfile = videoStream == null ? null : videoStream.Profile;
            float? videoFramerate = videoStream == null ? null : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate;
            bool? isAnamorphic = videoStream == null ? null : videoStream.IsAnamorphic;
            string videoCodecTag = videoStream == null ? null : videoStream.CodecTag;

            int? audioBitrate = audioStream == null ? null : audioStream.BitRate;
            int? audioChannels = audioStream == null ? null : audioStream.Channels;
            string audioProfile = audioStream == null ? null : audioStream.Profile;

            TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : mediaSource.Timestamp;
            int? packetLength = videoStream == null ? null : videoStream.PacketLength;
            int? refFrames = videoStream == null ? null : videoStream.RefFrames;

            int? numAudioStreams = mediaSource.GetStreamCount(MediaStreamType.Audio);
            int? numVideoStreams = mediaSource.GetStreamCount(MediaStreamType.Video);

            // Check container conditions
            foreach (ProfileCondition i in conditions)
            {
                if (!conditionProcessor.IsVideoConditionSatisfied(i, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag))
                {
                    LogConditionFailure(profile, "VideoContainerProfile", i, mediaSource);

                    return null;
                }
            }

            string videoCodec = videoStream == null ? null : videoStream.Codec;

            if (string.IsNullOrEmpty(videoCodec))
            {
                _logger.Info("Profile: {0}, DirectPlay=false. Reason=Unknown video codec. Path: {1}",
                    profile.Name ?? "Unknown Profile",
                    mediaSource.Path ?? "Unknown path");

                return null;
            }

            conditions = new List<ProfileCondition>();
            foreach (CodecProfile i in profile.CodecProfiles)
            {
                if (i.Type == CodecType.Video && i.ContainsCodec(videoCodec, container))
                {
                    bool applyConditions = true;
                    foreach (ProfileCondition applyCondition in i.ApplyConditions)
                    {
                        if (!conditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag))
                        {
                            LogConditionFailure(profile, "VideoCodecProfile", applyCondition, mediaSource);
                            applyConditions = false;
                            break;
                        }
                    }

                    if (applyConditions)
                    {
                        foreach (ProfileCondition c in i.Conditions)
                        {
                            conditions.Add(c);
                        }
                    }
                }
            }

            foreach (ProfileCondition i in conditions)
            {
                if (!conditionProcessor.IsVideoConditionSatisfied(i, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag))
                {
                    LogConditionFailure(profile, "VideoCodecProfile", i, mediaSource);

                    return null;
                }
            }

            if (audioStream != null)
            {
                string audioCodec = audioStream.Codec;

                if (string.IsNullOrEmpty(audioCodec))
                {
                    _logger.Info("Profile: {0}, DirectPlay=false. Reason=Unknown audio codec. Path: {1}",
                        profile.Name ?? "Unknown Profile",
                        mediaSource.Path ?? "Unknown path");

                    return null;
                }

                conditions = new List<ProfileCondition>();
                bool? isSecondaryAudio = audioStream == null ? null : mediaSource.IsSecondaryAudio(audioStream);

                foreach (CodecProfile i in profile.CodecProfiles)
                {
                    if (i.Type == CodecType.VideoAudio && i.ContainsCodec(audioCodec, container))
                    {
                        bool applyConditions = true;
                        foreach (ProfileCondition applyCondition in i.ApplyConditions)
                        {
                            if (!conditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioProfile, isSecondaryAudio))
                            {
                                LogConditionFailure(profile, "VideoAudioCodecProfile", applyCondition, mediaSource);
                                applyConditions = false;
                                break;
                            }
                        }

                        if (applyConditions)
                        {
                            foreach (ProfileCondition c in i.Conditions)
                            {
                                conditions.Add(c);
                            }
                        }
                    }
                }

                foreach (ProfileCondition i in conditions)
                {
                    if (!conditionProcessor.IsVideoAudioConditionSatisfied(i, audioChannels, audioBitrate, audioProfile, isSecondaryAudio))
                    {
                        LogConditionFailure(profile, "VideoAudioCodecProfile", i, mediaSource);

                        return null;
                    }
                }
            }

            if (isEligibleForDirectStream && mediaSource.SupportsDirectStream)
            {
                return PlayMethod.DirectStream;
            }

            return null;
        }
Ejemplo n.º 12
0
        private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions options)
        {
            StreamInfo playlistItem = new StreamInfo
            {
                ItemId = options.ItemId,
                MediaType = DlnaProfileType.Video,
                MediaSource = item,
                RunTimeTicks = item.RunTimeTicks,
                Context = options.Context,
                DeviceProfile = options.Profile
            };

            playlistItem.SubtitleStreamIndex = options.SubtitleStreamIndex ?? GetDefaultSubtitleStreamIndex(item, options.Profile.SubtitleProfiles);
            MediaStream subtitleStream = playlistItem.SubtitleStreamIndex.HasValue ? item.GetMediaStream(MediaStreamType.Subtitle, playlistItem.SubtitleStreamIndex.Value) : null;

            MediaStream audioStream = item.GetDefaultAudioStream(options.AudioStreamIndex ?? item.DefaultAudioStreamIndex);
            int? audioStreamIndex = null;
            if (audioStream != null)
            {
                audioStreamIndex = audioStream.Index;
            }

            MediaStream videoStream = item.VideoStream;

            // TODO: This doesn't accout for situation of device being able to handle media bitrate, but wifi connection not fast enough
            bool isEligibleForDirectPlay = options.EnableDirectPlay && (options.ForceDirectPlay || IsEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true), subtitleStream, options, PlayMethod.DirectPlay));
            bool isEligibleForDirectStream = options.EnableDirectStream && (options.ForceDirectStream || IsEligibleForDirectPlay(item, options.GetMaxBitrate(false), subtitleStream, options, PlayMethod.DirectStream));

            _logger.Info("Profile: {0}, Path: {1}, isEligibleForDirectPlay: {2}, isEligibleForDirectStream: {3}",
                options.Profile.Name ?? "Unknown Profile",
                item.Path ?? "Unknown path",
                isEligibleForDirectPlay,
                isEligibleForDirectStream);

            if (isEligibleForDirectPlay || isEligibleForDirectStream)
            {
                // See if it can be direct played
                PlayMethod? directPlay = GetVideoDirectPlayProfile(options, item, videoStream, audioStream, isEligibleForDirectPlay, isEligibleForDirectStream);

                if (directPlay != null)
                {
                    playlistItem.PlayMethod = directPlay.Value;
                    playlistItem.Container = item.Container;

                    if (subtitleStream != null)
                    {
                        SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value);

                        playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
                        playlistItem.SubtitleFormat = subtitleProfile.Format;
                    }

                    return playlistItem;
                }
            }

            // Can't direct play, find the transcoding profile
            TranscodingProfile transcodingProfile = null;
            foreach (TranscodingProfile i in options.Profile.TranscodingProfiles)
            {
                if (i.Type == playlistItem.MediaType && i.Context == options.Context)
                {
                    transcodingProfile = i;
                    break;
                }
            }

            if (transcodingProfile != null)
            {
                if (!item.SupportsTranscoding)
                {
                    return null;
                }

                if (subtitleStream != null)
                {
                    SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.Transcode);

                    playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
                    playlistItem.SubtitleFormat = subtitleProfile.Format;
                }

                playlistItem.PlayMethod = PlayMethod.Transcode;
                playlistItem.Container = transcodingProfile.Container;
                playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
                playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;

                playlistItem.AudioCodecs = transcodingProfile.AudioCodec.Split(',');

                playlistItem.VideoCodec = transcodingProfile.VideoCodec;
                playlistItem.CopyTimestamps = transcodingProfile.CopyTimestamps;
                playlistItem.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;

                if (!string.IsNullOrEmpty(transcodingProfile.MaxAudioChannels))
                {
                    int transcodingMaxAudioChannels;
                    if (IntHelper.TryParseCultureInvariant(transcodingProfile.MaxAudioChannels, out transcodingMaxAudioChannels))
                    {
                        playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;
                    }
                }
                playlistItem.SubProtocol = transcodingProfile.Protocol;
                playlistItem.AudioStreamIndex = audioStreamIndex;
                ConditionProcessor conditionProcessor = new ConditionProcessor();

                List<ProfileCondition> videoTranscodingConditions = new List<ProfileCondition>();
                foreach (CodecProfile i in options.Profile.CodecProfiles)
                {
                    if (i.Type == CodecType.Video && i.ContainsCodec(transcodingProfile.VideoCodec, transcodingProfile.Container))
                    {
                        bool applyConditions = true;
                        foreach (ProfileCondition applyCondition in i.ApplyConditions)
                        {
                            bool? isSecondaryAudio = audioStream == null ? null : item.IsSecondaryAudio(audioStream);
                            int? inputAudioBitrate = audioStream == null ? null : audioStream.BitRate;
                            int? audioChannels = audioStream == null ? null : audioStream.Channels;
                            string audioProfile = audioStream == null ? null : audioStream.Profile;

                            if (!conditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, inputAudioBitrate, audioProfile, isSecondaryAudio))
                            {
                                LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
                                applyConditions = false;
                                break;
                            }
                        }

                        if (applyConditions)
                        {
                            foreach (ProfileCondition c in i.Conditions)
                            {
                                videoTranscodingConditions.Add(c);
                            }
                            break;
                        }
                    }
                }
                ApplyTranscodingConditions(playlistItem, videoTranscodingConditions);

                List<ProfileCondition> audioTranscodingConditions = new List<ProfileCondition>();
                foreach (CodecProfile i in options.Profile.CodecProfiles)
                {
                    if (i.Type == CodecType.VideoAudio && i.ContainsCodec(playlistItem.TargetAudioCodec, transcodingProfile.Container))
                    {
                        bool applyConditions = true;
                        foreach (ProfileCondition applyCondition in i.ApplyConditions)
                        {
                            int? width = videoStream == null ? null : videoStream.Width;
                            int? height = videoStream == null ? null : videoStream.Height;
                            int? bitDepth = videoStream == null ? null : videoStream.BitDepth;
                            int? videoBitrate = videoStream == null ? null : videoStream.BitRate;
                            double? videoLevel = videoStream == null ? null : videoStream.Level;
                            string videoProfile = videoStream == null ? null : videoStream.Profile;
                            float? videoFramerate = videoStream == null ? null : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate;
                            bool? isAnamorphic = videoStream == null ? null : videoStream.IsAnamorphic;
                            string videoCodecTag = videoStream == null ? null : videoStream.CodecTag;

                            TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : item.Timestamp;
                            int? packetLength = videoStream == null ? null : videoStream.PacketLength;
                            int? refFrames = videoStream == null ? null : videoStream.RefFrames;

                            int? numAudioStreams = item.GetStreamCount(MediaStreamType.Audio);
                            int? numVideoStreams = item.GetStreamCount(MediaStreamType.Video);

                            if (!conditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag))
                            {
                                LogConditionFailure(options.Profile, "VideoCodecProfile", applyCondition, item);
                                applyConditions = false;
                                break;
                            }
                        }

                        if (applyConditions)
                        {
                            foreach (ProfileCondition c in i.Conditions)
                            {
                                audioTranscodingConditions.Add(c);
                            }
                            break;
                        }
                    }
                }
                ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);

                // Honor requested max channels
                if (options.MaxAudioChannels.HasValue)
                {
                    int currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;

                    playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
                }

                int audioBitrate = GetAudioBitrate(playlistItem.SubProtocol, options.GetMaxBitrate(false), playlistItem.TargetAudioChannels, playlistItem.TargetAudioCodec, audioStream);
                playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);

                int? maxBitrateSetting = options.GetMaxBitrate(false);
                // Honor max rate
                if (maxBitrateSetting.HasValue)
                {
                    int videoBitrate = maxBitrateSetting.Value;

                    if (playlistItem.AudioBitrate.HasValue)
                    {
                        videoBitrate -= playlistItem.AudioBitrate.Value;
                    }

                    // Make sure the video bitrate is lower than bitrate settings but at least 64k
                    int currentValue = playlistItem.VideoBitrate ?? videoBitrate;
                    playlistItem.VideoBitrate = Math.Max(Math.Min(videoBitrate, currentValue), 64000);
                }
            }

            return playlistItem;
        }
Ejemplo n.º 13
0
        private async Task<string> Sync(SyncJobItem jobItem, Video item, DeviceProfile profile, CancellationToken cancellationToken)
        {
            var options = new VideoOptions
            {
                Context = EncodingContext.Streaming,
                ItemId = item.Id.ToString("N"),
                DeviceId = jobItem.TargetId,
                Profile = profile,
                MediaSources = item.GetMediaSources(false).ToList()
            };

            var streamInfo = new StreamBuilder().BuildVideoItem(options);
            var mediaSource = streamInfo.MediaSource;

            if (streamInfo.PlayMethod != PlayMethod.Transcode)
            {
                if (mediaSource.Protocol == MediaProtocol.File)
                {
                    return mediaSource.Path;
                }
                if (mediaSource.Protocol == MediaProtocol.Http)
                {
                    return await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
                }
                throw new InvalidOperationException(string.Format("Cannot direct stream {0} protocol", mediaSource.Protocol));
            }

            // TODO: Transcode
            return mediaSource.Path;
        }
Ejemplo n.º 14
0
        private bool IsEligibleForDirectPlay(MediaSourceInfo item, VideoOptions options)
        {
            if (options.SubtitleStreamIndex.HasValue)
            {
                return false;
            }

            if (options.AudioStreamIndex.HasValue &&
                item.MediaStreams.Count(i => i.Type == MediaStreamType.Audio) > 1)
            {
                return false;
            }

            return IsAudioEligibleForDirectPlay(item, options);
        }
        private StreamInfo CreateVideoStream(string itemId, long startTimeTicks, List<MediaSourceInfo> mediaSources = null, bool useHls = false)
        {
            var profile = VideoProfileHelper.GetWindowsPhoneProfile(useHls);

            var streamingSettings = NavigationService.IsOnWifi
                ? App.SpecificSettings.WifiStreamingQuality.GetSettings()
                : App.SpecificSettings.StreamingQuality.GetSettings();

            var options = new VideoOptions
            {
                Profile = profile, 
                ItemId = itemId, 
                DeviceId = ApiClient.DeviceId, 
                MaxBitrate = streamingSettings.VideoBitrate,
                MediaSources = mediaSources
            };

            var builder = new StreamBuilder();
            var streamInfo = builder.BuildVideoItem(options);
            streamInfo.StartPositionTicks = startTimeTicks;

            return streamInfo;
        }
Ejemplo n.º 16
0
        /// <summary>
        /// Gets the video stream information.
        /// </summary>
        /// <param name="serverId">The server identifier.</param>
        /// <param name="options">The options.</param>
        /// <param name="isOffline">if set to <c>true</c> [is offline].</param>
        /// <param name="apiClient">The API client.</param>
        /// <returns>Task&lt;StreamInfo&gt;.</returns>
        public async Task<StreamInfo> GetVideoStreamInfo(string serverId, VideoOptions options, bool isOffline, IApiClient apiClient)
        {
            PlaybackInfoResponse playbackInfo = null;
            string playSessionId = null;

            if (!isOffline)
            {
                playbackInfo = await apiClient.GetPlaybackInfo(new PlaybackInfoRequest
                {
                    Id = options.ItemId,
                    UserId = apiClient.CurrentUserId,
                    MaxStreamingBitrate = options.MaxBitrate,
                    MediaSourceId = options.MediaSourceId,
                    AudioStreamIndex = options.AudioStreamIndex,
                    SubtitleStreamIndex = options.SubtitleStreamIndex

                }).ConfigureAwait(false);

                if (playbackInfo.ErrorCode.HasValue)
                {
                    throw new PlaybackException { ErrorCode = playbackInfo.ErrorCode.Value };
                }

                options.MediaSources = playbackInfo.MediaSources;
                playSessionId = playbackInfo.PlaySessionId;
            }

            var streamInfo = await GetVideoStreamInfoInternal(serverId, options).ConfigureAwait(false);

            if (!isOffline)
            {
                var liveMediaSource = await GetLiveStreamInfo(playSessionId, streamInfo.MediaSource, options, apiClient).ConfigureAwait(false);

                if (liveMediaSource != null)
                {
                    options.MediaSources = new List<MediaSourceInfo> { liveMediaSource };
                    streamInfo = GetStreamBuilder().BuildVideoItem(options);
                    EnsureSuccess(streamInfo);
                }
            }

            if (playbackInfo != null)
            {
                streamInfo.AllMediaSources = playbackInfo.MediaSources.ToList();
                streamInfo.PlaySessionId = playbackInfo.PlaySessionId;
            }

            return streamInfo;
        }
Ejemplo n.º 17
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        private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions options)
        {
            StreamInfo playlistItem = new StreamInfo
            {
                ItemId = options.ItemId,
                MediaType = DlnaProfileType.Video,
                MediaSource = item,
                RunTimeTicks = item.RunTimeTicks
            };

            int? audioStreamIndex = options.AudioStreamIndex ?? item.DefaultAudioStreamIndex;
            playlistItem.SubtitleStreamIndex = options.SubtitleStreamIndex ?? item.DefaultSubtitleStreamIndex;

            MediaStream audioStream = audioStreamIndex.HasValue ? item.GetMediaStream(MediaStreamType.Audio, audioStreamIndex.Value) : null;
            MediaStream subtitleStream = playlistItem.SubtitleStreamIndex.HasValue ? item.GetMediaStream(MediaStreamType.Subtitle, playlistItem.SubtitleStreamIndex.Value) : null;

            MediaStream videoStream = item.VideoStream;

            int? maxBitrateSetting = options.GetMaxBitrate();

            if (IsEligibleForDirectPlay(item, maxBitrateSetting, subtitleStream, options))
            {
                // See if it can be direct played
                DirectPlayProfile directPlay = GetVideoDirectPlayProfile(options.Profile, item, videoStream, audioStream);

                if (directPlay != null)
                {
                    playlistItem.PlayMethod = PlayMethod.DirectStream;
                    playlistItem.Container = item.Container;

                    if (subtitleStream != null)
                    {
                        playlistItem.SubtitleDeliveryMethod = GetSubtitleDeliveryMethod(subtitleStream, options);
                    }

                    return playlistItem;
                }
            }

            // Can't direct play, find the transcoding profile
            TranscodingProfile transcodingProfile = null;
            foreach (TranscodingProfile i in options.Profile.TranscodingProfiles)
            {
                if (i.Type == playlistItem.MediaType && i.Context == options.Context)
                {
                    transcodingProfile = i;
                    break;
                }
            }

            if (transcodingProfile != null)
            {
                if (subtitleStream != null)
                {
                    playlistItem.SubtitleDeliveryMethod = GetSubtitleDeliveryMethod(subtitleStream, options);
                }

                playlistItem.PlayMethod = PlayMethod.Transcode;
                playlistItem.Container = transcodingProfile.Container;
                playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
                playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
                playlistItem.AudioCodec = transcodingProfile.AudioCodec.Split(',')[0];
                playlistItem.VideoCodec = transcodingProfile.VideoCodec;
                playlistItem.Protocol = transcodingProfile.Protocol;
                playlistItem.AudioStreamIndex = audioStreamIndex;

                List<ProfileCondition> videoTranscodingConditions = new List<ProfileCondition>();
                foreach (CodecProfile i in options.Profile.CodecProfiles)
                {
                    if (i.Type == CodecType.Video && i.ContainsCodec(transcodingProfile.VideoCodec))
                    {
                        foreach (var c in i.Conditions)
                        {
                            videoTranscodingConditions.Add(c);
                        }
                        break;
                    }
                }
                ApplyTranscodingConditions(playlistItem, videoTranscodingConditions);

                List<ProfileCondition> audioTranscodingConditions = new List<ProfileCondition>();
                foreach (CodecProfile i in options.Profile.CodecProfiles)
                {
                    if (i.Type == CodecType.VideoAudio && i.ContainsCodec(transcodingProfile.AudioCodec))
                    {
                        foreach (var c in i.Conditions)
                        {
                            audioTranscodingConditions.Add(c);
                        }
                        break;
                    }
                }
                ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);

                // Honor requested max channels
                if (options.MaxAudioChannels.HasValue)
                {
                    int currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;

                    playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
                }

                if (!playlistItem.AudioBitrate.HasValue)
                {
                    playlistItem.AudioBitrate = GetAudioBitrate(playlistItem.TargetAudioChannels, playlistItem.TargetAudioCodec);
                }

                // Honor max rate
                if (maxBitrateSetting.HasValue)
                {
                    int videoBitrate = maxBitrateSetting.Value;

                    if (playlistItem.AudioBitrate.HasValue)
                    {
                        videoBitrate -= playlistItem.AudioBitrate.Value;
                    }

                    int currentValue = playlistItem.VideoBitrate ?? videoBitrate;

                    playlistItem.VideoBitrate = Math.Min(videoBitrate, currentValue);
                }
            }

            return playlistItem;
        }
Ejemplo n.º 18
0
        private async Task<StreamInfo> GetVideoStreamInfoInternal(string serverId, VideoOptions options)
        {
            var streamBuilder = GetStreamBuilder();

            var localItem = await _localAssetManager.GetLocalItem(serverId, options.ItemId);

            if (localItem != null)
            {
                var localMediaSource = localItem.Item.MediaSources[0];

                // Use the local media source, unless a specific server media source was requested
                if (string.IsNullOrWhiteSpace(options.MediaSourceId) ||
                    string.Equals(localMediaSource.Id, options.MediaSourceId,
                    StringComparison.OrdinalIgnoreCase))
                {
                    // Finally, check to make sure the local file is actually available at this time
                    var fileExists = await _localAssetManager.FileExists(localMediaSource.Path).ConfigureAwait(false);

                    if (fileExists)
                    {
                        options.MediaSources = localItem.Item.MediaSources;

                        var result = streamBuilder.BuildVideoItem(options);
                        if (result == null)
                        {
                            _logger.Warn("LocalItem returned no compatible streams. Will dummy up a StreamInfo to force it to direct play.");
                            var mediaSource = localItem.Item.MediaSources.First();
                            result = GetForcedDirectPlayStreamInfo(DlnaProfileType.Video, options, mediaSource);
                        }
                        result.PlayMethod = PlayMethod.DirectPlay;
                        return result;
                    }
                }
            }

            var streamInfo = streamBuilder.BuildVideoItem(options);
            EnsureSuccess(streamInfo);
            return streamInfo;
        }
Ejemplo n.º 19
0
        private bool IsEligibleForDirectPlay(MediaSourceInfo item,
            int? maxBitrate,
            MediaStream subtitleStream,
            VideoOptions options)
        {
            if (subtitleStream != null)
            {
                if (!subtitleStream.IsTextSubtitleStream)
                {
                    return false;
                }

                SubtitleDeliveryMethod subtitleMethod = GetSubtitleDeliveryMethod(subtitleStream, options);

                if (subtitleMethod != SubtitleDeliveryMethod.External && subtitleMethod != SubtitleDeliveryMethod.Embed)
                {
                    return false;
                }
            }

            return IsAudioEligibleForDirectPlay(item, maxBitrate);
        }
Ejemplo n.º 20
0
        /// <summary>
        /// Gets the pre playback selectable subtitle streams.
        /// </summary>
        /// <param name="serverId">The server identifier.</param>
        /// <param name="options">The options.</param>
        /// <returns>Task&lt;IEnumerable&lt;MediaStream&gt;&gt;.</returns>
        public async Task<IEnumerable<MediaStream>> GetPrePlaybackSelectableSubtitleStreams(string serverId, VideoOptions options)
        {
            var info = await GetVideoStreamInfoInternal(serverId, options).ConfigureAwait(false);

            return info.GetSelectableSubtitleStreams();
        }
Ejemplo n.º 21
0
        private async Task<StreamInfo> CreateVideoStream(string itemId, long startTimeTicks, List<MediaSourceInfo> mediaSources = null, bool useHls = false)
        {
            if (ForceHls)
            {
                useHls = true;
            }

            var profile = VideoProfileHelper.GetWindowsPhoneProfile(isHls: useHls);

            var streamingSettings = NavigationService.IsOnWifi
                ? App.SpecificSettings.WifiStreamingQuality.GetSettings()
                : App.SpecificSettings.StreamingQuality.GetSettings();

            var options = new VideoOptions
            {
                Profile = profile,
                ItemId = itemId,
                DeviceId = ApiClient.DeviceId,
                MaxBitrate = streamingSettings.VideoBitrate,
                MediaSources = mediaSources
            };

            try
            {
                var streamInfo = await _playbackManager.GetVideoStreamInfo(App.ServerInfo.Id, options, false, ApiClient);
                streamInfo.StartPositionTicks = startTimeTicks;

                return streamInfo;
            }
            catch (PlaybackException pex)
            {
                Log.ErrorException("CreateVideoStream: " + pex.ErrorCode, pex);
                switch (pex.ErrorCode)
                {
                    case PlaybackErrorCode.NoCompatibleStream:

                        break;
                    case PlaybackErrorCode.NotAllowed:

                        break;
                    case PlaybackErrorCode.RateLimitExceeded:

                        break;
                }
            }
            catch (Exception ex)
            {
                Log.ErrorException("CreateVideoStream", ex);
            }

            return null;
        }
        private async Task<PlayableItem> GetPlaybackInfoInternal(BaseItemDto item, long? startTimeTicks, CancellationToken cancellationToken)
        {
            var profile = new MediaBrowserTheaterProfile();

            var options = new VideoOptions
            {
                Context = EncodingContext.Streaming,
                ItemId = item.Id,

                // TODO: Set to 2 if user only has stereo speakers
                MaxAudioChannels = 6,

                MaxBitrate = _config.Configuration.MaxStreamingBitrate,
                MediaSources = item.MediaSources,

                Profile = profile
            };

            var streamInfo = item.IsAudio ?
                await _playbackManager.GetAudioStreamInfo(item.ServerId, options) :
                await _playbackManager.GetVideoStreamInfo(item.ServerId, options);

            streamInfo.StartPositionTicks = startTimeTicks ?? 0;

            var apiClient = _connectionManager.GetApiClient(item);

            return new PlayableItem
            {
                OriginalItem = item,
                PlayablePath = streamInfo.ToUrl(apiClient.ServerAddress + "/mediabrowser", apiClient.AccessToken),
                MediaSource = streamInfo.MediaSource,
                StreamInfo = streamInfo
            };
        }
Ejemplo n.º 23
0
        private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions options)
        {
            StreamInfo playlistItem = new StreamInfo
            {
                ItemId = options.ItemId,
                MediaType = DlnaProfileType.Video,
                MediaSource = item,
                RunTimeTicks = item.RunTimeTicks,
                Context = options.Context,
                DeviceProfile = options.Profile
            };

            playlistItem.SubtitleStreamIndex = options.SubtitleStreamIndex ?? GetDefaultSubtitleStreamIndex(item, options.Profile.SubtitleProfiles);
            MediaStream subtitleStream = playlistItem.SubtitleStreamIndex.HasValue ? item.GetMediaStream(MediaStreamType.Subtitle, playlistItem.SubtitleStreamIndex.Value) : null;

            MediaStream audioStream = item.GetDefaultAudioStream(options.AudioStreamIndex ?? item.DefaultAudioStreamIndex);
            int? audioStreamIndex = null;
            if (audioStream != null)
            {
                audioStreamIndex = audioStream.Index;
            }

            MediaStream videoStream = item.VideoStream;

            // TODO: This doesn't accout for situation of device being able to handle media bitrate, but wifi connection not fast enough
            bool isEligibleForDirectPlay = IsEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options), subtitleStream, options);
            bool isEligibleForDirectStream = IsEligibleForDirectPlay(item, options.GetMaxBitrate(), subtitleStream, options);

            _logger.Debug("Profile: {0}, Path: {1}, isEligibleForDirectPlay: {2}, isEligibleForDirectStream: {3}",
                options.Profile.Name ?? "Unknown Profile",
                item.Path ?? "Unknown path",
                isEligibleForDirectPlay,
                isEligibleForDirectStream);

            if (isEligibleForDirectPlay || isEligibleForDirectStream)
            {
                // See if it can be direct played
                PlayMethod? directPlay = GetVideoDirectPlayProfile(options.Profile, item, videoStream, audioStream, isEligibleForDirectPlay, isEligibleForDirectStream);

                if (directPlay != null)
                {
                    playlistItem.PlayMethod = directPlay.Value;
                    playlistItem.Container = item.Container;

                    if (subtitleStream != null)
                    {
                        SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, options.Context);

                        playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
                        playlistItem.SubtitleFormat = subtitleProfile.Format;
                    }

                    return playlistItem;
                }
            }

            // Can't direct play, find the transcoding profile
            TranscodingProfile transcodingProfile = null;
            foreach (TranscodingProfile i in options.Profile.TranscodingProfiles)
            {
                if (i.Type == playlistItem.MediaType && i.Context == options.Context)
                {
                    transcodingProfile = i;
                    break;
                }
            }

            if (transcodingProfile != null)
            {
                if (!item.SupportsTranscoding)
                {
                    return null;
                }

                if (subtitleStream != null)
                {
                    SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, options.Context);

                    playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
                    playlistItem.SubtitleFormat = subtitleProfile.Format;
                }

                playlistItem.PlayMethod = PlayMethod.Transcode;
                playlistItem.Container = transcodingProfile.Container;
                playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
                playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
                playlistItem.AudioCodec = transcodingProfile.AudioCodec.Split(',')[0];
                playlistItem.VideoCodec = transcodingProfile.VideoCodec;
                playlistItem.SubProtocol = transcodingProfile.Protocol;
                playlistItem.AudioStreamIndex = audioStreamIndex;

                List<ProfileCondition> videoTranscodingConditions = new List<ProfileCondition>();
                foreach (CodecProfile i in options.Profile.CodecProfiles)
                {
                    if (i.Type == CodecType.Video && i.ContainsCodec(transcodingProfile.VideoCodec, transcodingProfile.Container))
                    {
                        foreach (ProfileCondition c in i.Conditions)
                        {
                            videoTranscodingConditions.Add(c);
                        }
                        break;
                    }
                }
                ApplyTranscodingConditions(playlistItem, videoTranscodingConditions);

                List<ProfileCondition> audioTranscodingConditions = new List<ProfileCondition>();
                foreach (CodecProfile i in options.Profile.CodecProfiles)
                {
                    if (i.Type == CodecType.VideoAudio && i.ContainsCodec(transcodingProfile.AudioCodec, transcodingProfile.Container))
                    {
                        foreach (ProfileCondition c in i.Conditions)
                        {
                            audioTranscodingConditions.Add(c);
                        }
                        break;
                    }
                }
                ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);

                // Honor requested max channels
                if (options.MaxAudioChannels.HasValue)
                {
                    int currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;

                    playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
                }

                int audioBitrate = GetAudioBitrate(options.GetMaxBitrate(), playlistItem.TargetAudioChannels, playlistItem.TargetAudioCodec, audioStream);
                playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);

                int? maxBitrateSetting = options.GetMaxBitrate();
                // Honor max rate
                if (maxBitrateSetting.HasValue)
                {
                    int videoBitrate = maxBitrateSetting.Value;

                    if (playlistItem.AudioBitrate.HasValue)
                    {
                        videoBitrate -= playlistItem.AudioBitrate.Value;
                    }

                    // Make sure the video bitrate is lower than bitrate settings but at least 64k
                    int currentValue = playlistItem.VideoBitrate ?? videoBitrate;
                    playlistItem.VideoBitrate = Math.Max(Math.Min(videoBitrate, currentValue), 64000);
                }
            }

            return playlistItem;
        }
Ejemplo n.º 24
0
        private async Task Sync(SyncJobItem jobItem, SyncJob job, Video item, User user, bool enableConversion, SyncOptions syncOptions, IProgress<double> progress, CancellationToken cancellationToken)
        {
            var jobOptions = _syncManager.GetVideoOptions(jobItem, job);
            var conversionOptions = new VideoOptions
            {
                Profile = jobOptions.DeviceProfile
            };

            conversionOptions.DeviceId = jobItem.TargetId;
            conversionOptions.Context = EncodingContext.Static;
            conversionOptions.ItemId = item.Id.ToString("N");
            conversionOptions.MediaSources = _mediaSourceManager.GetStaticMediaSources(item, false, user).ToList();

            var streamInfo = new StreamBuilder(_logger).BuildVideoItem(conversionOptions);
            var mediaSource = streamInfo.MediaSource;

            // No sense creating external subs if we're already burning one into the video
            var externalSubs = streamInfo.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode ?
                new List<SubtitleStreamInfo>() :
                streamInfo.GetExternalSubtitles(false, true, null, null);

            // Mark as requiring conversion if transcoding the video, or if any subtitles need to be extracted
            var requiresVideoTranscoding = streamInfo.PlayMethod == PlayMethod.Transcode && jobOptions.IsConverting;
            var requiresConversion = requiresVideoTranscoding || externalSubs.Any(i => RequiresExtraction(i, mediaSource));

            if (requiresConversion && !enableConversion)
            {
                return;
            }

            jobItem.MediaSourceId = streamInfo.MediaSourceId;
            jobItem.TemporaryPath = GetTemporaryPath(jobItem);

            if (requiresConversion)
            {
                jobItem.Status = SyncJobItemStatus.Converting;
            }

            if (requiresVideoTranscoding)
            {
                // Save the job item now since conversion could take a while
                await _syncManager.UpdateSyncJobItemInternal(jobItem).ConfigureAwait(false);
                await UpdateJobStatus(job).ConfigureAwait(false);

                try
                {
                    var lastJobUpdate = DateTime.MinValue;
                    var innerProgress = new ActionableProgress<double>();
                    innerProgress.RegisterAction(async pct =>
                    {
                        progress.Report(pct);

                        if ((DateTime.UtcNow - lastJobUpdate).TotalSeconds >= DatabaseProgressUpdateIntervalSeconds)
                        {
                            jobItem.Progress = pct / 2;
                            await _syncManager.UpdateSyncJobItemInternal(jobItem).ConfigureAwait(false);
                            await UpdateJobStatus(job).ConfigureAwait(false);
                        }
                    });

                    jobItem.OutputPath = await _mediaEncoder.EncodeVideo(new EncodingJobOptions(streamInfo, conversionOptions.Profile)
                    {
                        OutputDirectory = jobItem.TemporaryPath,
                        CpuCoreLimit = syncOptions.TranscodingCpuCoreLimit,
                        ReadInputAtNativeFramerate = !syncOptions.EnableFullSpeedTranscoding

                    }, innerProgress, cancellationToken);
                }
                catch (OperationCanceledException)
                {
                    jobItem.Status = SyncJobItemStatus.Queued;
                    jobItem.Progress = 0;
                }
                catch (Exception ex)
                {
                    jobItem.Status = SyncJobItemStatus.Failed;
                    _logger.ErrorException("Error during sync transcoding", ex);
                }

                if (jobItem.Status == SyncJobItemStatus.Failed || jobItem.Status == SyncJobItemStatus.Queued)
                {
                    await _syncManager.UpdateSyncJobItemInternal(jobItem).ConfigureAwait(false);
                    return;
                }

                jobItem.MediaSource = await GetEncodedMediaSource(jobItem.OutputPath, user, true).ConfigureAwait(false);
            }
            else
            {
                if (mediaSource.Protocol == MediaProtocol.File)
                {
                    jobItem.OutputPath = mediaSource.Path;
                }
                else if (mediaSource.Protocol == MediaProtocol.Http)
                {
                    jobItem.OutputPath = await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
                }
                else
                {
                    throw new InvalidOperationException(string.Format("Cannot direct stream {0} protocol", mediaSource.Protocol));
                }

                jobItem.MediaSource = mediaSource;
            }

            jobItem.MediaSource.SupportsTranscoding = false;

            if (externalSubs.Count > 0)
            {
                // Save the job item now since conversion could take a while
                await _syncManager.UpdateSyncJobItemInternal(jobItem).ConfigureAwait(false);

                await ConvertSubtitles(jobItem, externalSubs, streamInfo, cancellationToken).ConfigureAwait(false);
            }

            jobItem.Progress = 50;
            jobItem.Status = SyncJobItemStatus.ReadyToTransfer;
            await _syncManager.UpdateSyncJobItemInternal(jobItem).ConfigureAwait(false);
        }
Ejemplo n.º 25
0
        private bool IsEligibleForDirectPlay(MediaSourceInfo item,
            int? maxBitrate,
            MediaStream subtitleStream,
            VideoOptions options)
        {
            if (subtitleStream != null)
            {
                SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, options.Context);

                if (subtitleProfile.Method != SubtitleDeliveryMethod.External && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
                {
                    return false;
                }
            }

            return IsAudioEligibleForDirectPlay(item, maxBitrate);
        }
        private static PlayableItem GetStreamedItem(BaseItemDto item, List<MediaSourceInfo> mediaSources, IApiClient apiClient, long? startTimeTicks, int? maxBitrate)
        {
            var profile = new MediaBrowserTheaterProfile();

            StreamInfo info;

            if (item.IsAudio)
            {
                var options = new AudioOptions
                {
                    Context = EncodingContext.Streaming,
                    DeviceId = apiClient.DeviceId,
                    ItemId = item.Id,

                    // TODO: Reduce to 2 is user only has stereo speakers
                    MaxAudioChannels = 6,

                    MaxBitrate = maxBitrate,
                    MediaSources = mediaSources,

                    Profile = profile
                };

                info = new StreamBuilder().BuildAudioItem(options);
                info.StartPositionTicks = startTimeTicks ?? 0;

                if (info.MediaSource.Protocol == MediaProtocol.File && File.Exists(info.MediaSource.Path))
                {
                    return new PlayableItem
                    {
                        OriginalItem = item,
                        PlayablePath = info.MediaSource.Path,
                        MediaSource = info.MediaSource,
                        StreamInfo = info
                    };
                }

                return new PlayableItem
                {
                    OriginalItem = item,
                    PlayablePath = info.ToUrl(apiClient.ServerAddress + "/mediabrowser"),
                    MediaSource = info.MediaSource,
                    StreamInfo = info
                };
            }
            else
            {
                var options = new VideoOptions
                {
                    Context = EncodingContext.Streaming,
                    DeviceId = apiClient.DeviceId,
                    ItemId = item.Id,

                    // TODO: Reduce to 2 is user only has stereo speakers
                    MaxAudioChannels = 6,

                    MaxBitrate = maxBitrate,
                    MediaSources = mediaSources,

                    Profile = profile
                };

                info = new StreamBuilder().BuildVideoItem(options);
                info.StartPositionTicks = startTimeTicks ?? 0;

                if (info.MediaSource.Protocol == MediaProtocol.File && File.Exists(info.MediaSource.Path))
                {
                    return new PlayableItem
                    {
                        OriginalItem = item,
                        PlayablePath = info.MediaSource.Path,
                        MediaSource = info.MediaSource,
                        StreamInfo = info
                    };
                }

                //info.Container = "ts";
                //info.VideoCodec = "copy";
                //info.AudioCodec = "copy";
                //info.Protocol = "http";

                //if (item.IsType("tvchannel"))
                //{
                //    info.VideoCodec = "copy";
                //}

                var playable = new PlayableItem
                {
                    OriginalItem = item,
                    PlayablePath = info.ToUrl(apiClient.ServerAddress + "/mediabrowser"),
                    MediaSource = info.MediaSource,
                    StreamInfo = info
                };

                if (!info.IsDirectStream)
                {
                    playable.PlayablePath += "&EnableAdaptiveBitrateStreaming=false";
                }

                return playable;
            }
        }
Ejemplo n.º 27
0
        private async Task Sync(SyncJobItem jobItem, Video item, DeviceProfile profile, CancellationToken cancellationToken)
        {
            var options = new VideoOptions
            {
                Context = EncodingContext.Static,
                ItemId = item.Id.ToString("N"),
                DeviceId = jobItem.TargetId,
                Profile = profile,
                MediaSources = item.GetMediaSources(false).ToList()
            };

            var streamInfo = new StreamBuilder().BuildVideoItem(options);
            var mediaSource = streamInfo.MediaSource;

            jobItem.MediaSourceId = streamInfo.MediaSourceId;

            if (streamInfo.PlayMethod == PlayMethod.Transcode)
            {
                jobItem.Status = SyncJobItemStatus.Converting;
                await _syncRepo.Update(jobItem).ConfigureAwait(false);

                jobItem.OutputPath = await _mediaEncoder.EncodeVideo(new EncodingJobOptions(streamInfo, profile), new Progress<double>(), cancellationToken);
            }
            else
            {
                if (mediaSource.Protocol == MediaProtocol.File)
                {
                    jobItem.OutputPath = mediaSource.Path;
                }
                else if (mediaSource.Protocol == MediaProtocol.Http)
                {
                    jobItem.OutputPath = await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
                }
                else
                {
                    throw new InvalidOperationException(string.Format("Cannot direct stream {0} protocol", mediaSource.Protocol));
                }
            }

            jobItem.Progress = 50;
            jobItem.Status = SyncJobItemStatus.Transferring;
            await _syncRepo.Update(jobItem).ConfigureAwait(false);
        }
        private static string GetStreamedPath(BaseItemDto item, IApiClient apiClient, long? startTimeTicks, int? maxBitrate)
        {
            var profile = new MediaBrowserTheaterProfile();

            StreamInfo info;

            if (item.IsAudio)
            {
                var options = new AudioOptions
                {
                    Context = EncodingContext.Streaming,
                    DeviceId = apiClient.DeviceId,
                    ItemId = item.Id,

                    // TODO: Reduce to 2 is user only has stereo speakers
                    MaxAudioChannels = 6,

                    MaxBitrate = maxBitrate,
                    MediaSources = item.MediaSources,

                    Profile = profile
                };

                info = new StreamBuilder().BuildAudioItem(options);
                info.StartPositionTicks = startTimeTicks ?? 0;

                return info.ToUrl(apiClient.ServerAddress + "/mediabrowser");
            }
            else
            {
                var options = new VideoOptions
                {
                    Context = EncodingContext.Streaming,
                    DeviceId = apiClient.DeviceId,
                    ItemId = item.Id,

                    // TODO: Reduce to 2 is user only has stereo speakers
                    MaxAudioChannels = 6,

                    MaxBitrate = maxBitrate,
                    MediaSources = item.MediaSources,

                    Profile = profile
                };

                info = new StreamBuilder().BuildVideoItem(options);
                info.StartPositionTicks = startTimeTicks ?? 0;

                return info.ToUrl(apiClient.ServerAddress + "/mediabrowser") + "&EnableAdaptiveBitrateStreaming=false";
            }
        }