예제 #1
0
        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, options.GetMaxBitrate()));
        }
예제 #2
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, PlayMethod.DirectPlay);
            bool isEligibleForDirectStream = IsEligibleForDirectPlay(item, options.GetMaxBitrate(), 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.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, 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.ForceLiveStream = transcodingProfile.ForceLiveStream;

                if (!string.IsNullOrEmpty(transcodingProfile.MaxAudioChannels))
                {
                    int transcodingMaxAudioChannels;
                    if (IntHelper.TryParseCultureInvariant(transcodingProfile.MaxAudioChannels, out transcodingMaxAudioChannels))
                    {
                        playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;
                    }
                }
                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(playlistItem.TargetAudioCodec, 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);
        }
예제 #3
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;
        }
예제 #4
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
            };

            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
                var directPlay = GetVideoDirectPlayProfile(options, options.Profile, item, videoStream, audioStream);

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

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

                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);
        }
예제 #5
0
        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;
        }
예제 #6
0
        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, options.GetMaxBitrate(false));
        }
예제 #7
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;
        }