예제 #1
0
        private bool IsEligibleForDirectPlay(MediaSourceInfo item,
                                             int?maxBitrate,
                                             MediaStream subtitleStream,
                                             VideoOptions options)
        {
            if (subtitleStream != null)
            {
                SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile, options.Context);

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

            return(IsAudioEligibleForDirectPlay(item, maxBitrate));
        }
예제 #2
0
        private SubtitleStreamInfo GetSubtitleStreamInfo(MediaStream stream)
        {
            SubtitleProfile subtitleProfile = StreamBuilder.GetSubtitleProfile(stream, DeviceProfile, Context);

            if (subtitleProfile.Method != SubtitleDeliveryMethod.External)
            {
                return(null);
            }

            return(new SubtitleStreamInfo
            {
                IsForced = stream.IsForced,
                Language = stream.Language,
                Name = stream.Language ?? "Unknown",
                Format = SubtitleFormat,
                Index = stream.Index
            });
        }
예제 #3
0
        private bool IsEligibleForDirectPlay(MediaSourceInfo item,
                                             int?maxBitrate,
                                             MediaStream subtitleStream,
                                             VideoOptions options,
                                             PlayMethod playMethod)
        {
            if (subtitleStream != null)
            {
                SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, playMethod);

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

            return(IsAudioEligibleForDirectPlay(item, maxBitrate));
        }
예제 #4
0
        private SubtitleStreamInfo GetSubtitleStreamInfo(MediaStream stream, string baseUrl, string accessToken, long startPositionTicks, SubtitleProfile[] subtitleProfiles, ITranscoderSupport transcoderSupport)
        {
            SubtitleProfile    subtitleProfile = StreamBuilder.GetSubtitleProfile(MediaSource, stream, subtitleProfiles, PlayMethod, transcoderSupport, SubProtocol, Container);
            SubtitleStreamInfo info            = new SubtitleStreamInfo
            {
                IsForced       = stream.IsForced,
                Language       = stream.Language,
                Name           = stream.Language ?? "Unknown",
                Format         = subtitleProfile.Format,
                Index          = stream.Index,
                DeliveryMethod = subtitleProfile.Method,
                DisplayTitle   = stream.DisplayTitle
            };

            if (info.DeliveryMethod == SubtitleDeliveryMethod.External)
            {
                if (MediaSource.Protocol == MediaProtocol.File || !StringHelper.EqualsIgnoreCase(stream.Codec, subtitleProfile.Format) || !stream.IsExternal)
                {
                    info.Url = string.Format("{0}/Videos/{1}/{2}/Subtitles/{3}/{4}/Stream.{5}",
                                             baseUrl,
                                             ItemId,
                                             MediaSourceId,
                                             stream.Index.ToString(CultureInfo.InvariantCulture),
                                             startPositionTicks.ToString(CultureInfo.InvariantCulture),
                                             subtitleProfile.Format);

                    if (!string.IsNullOrEmpty(accessToken))
                    {
                        info.Url += "?api_key=" + accessToken;
                    }

                    info.IsExternalUrl = false;
                }
                else
                {
                    info.Url           = stream.Path;
                    info.IsExternalUrl = true;
                }
            }

            return(info);
        }
예제 #5
0
파일: StreamInfo.cs 프로젝트: rom1bxl/Emby
        private SubtitleStreamInfo GetSubtitleStreamInfo(MediaStream stream, string baseUrl, string accessToken, long startPositionTicks, SubtitleProfile[] subtitleProfiles)
        {
            SubtitleProfile    subtitleProfile = StreamBuilder.GetSubtitleProfile(stream, subtitleProfiles, Context, PlayMethod);
            SubtitleStreamInfo info            = new SubtitleStreamInfo
            {
                IsForced       = stream.IsForced,
                Language       = stream.Language,
                Name           = stream.Language ?? "Unknown",
                Format         = subtitleProfile.Format,
                Index          = stream.Index,
                DeliveryMethod = subtitleProfile.Method
            };

            if (info.DeliveryMethod == SubtitleDeliveryMethod.External)
            {
                if (MediaSource.Protocol == MediaProtocol.File || !StringHelper.EqualsIgnoreCase(stream.Codec, subtitleProfile.Format))
                {
                    info.Url = string.Format("{0}/Videos/{1}/{2}/Subtitles/{3}/{4}/Stream.{5}",
                                             baseUrl,
                                             ItemId,
                                             MediaSourceId,
                                             StringHelper.ToStringCultureInvariant(stream.Index),
                                             StringHelper.ToStringCultureInvariant(startPositionTicks),
                                             subtitleProfile.Format);

                    info.IsExternalUrl = false;
                }
                else
                {
                    info.Url           = stream.Path;
                    info.IsExternalUrl = true;
                }
            }

            return(info);
        }
예제 #6
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 #7
0
        public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, EncodingContext context)
        {
            // Look for an external profile that matches the stream type (text/graphical)
            foreach (SubtitleProfile profile in subtitleProfiles)
            {
                bool requiresConversion = !StringHelper.EqualsIgnoreCase(subtitleStream.Codec, profile.Format);

                if (!profile.SupportsLanguage(subtitleStream.Language))
                {
                    continue;
                }

                if (profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format))
                {
                    if (!requiresConversion)
                    {
                        return profile;
                    }

                    if (subtitleStream.SupportsExternalStream)
                    {
                        return profile;
                    }

                    // For sync we can handle the longer extraction times
                    if (context == EncodingContext.Static && subtitleStream.IsTextSubtitleStream)
                    {
                        return profile;
                    }
                }
            }

            foreach (SubtitleProfile profile in subtitleProfiles)
            {
                bool requiresConversion = !StringHelper.EqualsIgnoreCase(subtitleStream.Codec, profile.Format);

                if (!profile.SupportsLanguage(subtitleStream.Language))
                {
                    continue;
                }

                if (profile.Method == SubtitleDeliveryMethod.Embed && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format))
                {
                    if (!requiresConversion)
                    {
                        return profile;
                    }

                    return profile;
                }
            }

            return new SubtitleProfile
            {
                Method = SubtitleDeliveryMethod.Encode,
                Format = subtitleStream.Codec
            };
        }
예제 #8
0
        private int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)
        {
            int highestScore = -1;

            foreach (MediaStream stream in item.MediaStreams)
            {
                if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue)
                {
                    if (stream.Score.Value > highestScore)
                    {
                        highestScore = stream.Score.Value;
                    }
                }    
            }

            List<MediaStream> topStreams = new List<MediaStream>();
            foreach (MediaStream stream in item.MediaStreams)
            {
                if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue && stream.Score.Value == highestScore)
                {
                    topStreams.Add(stream);
                }
            }

            // If multiple streams have an equal score, try to pick the most efficient one
            if (topStreams.Count > 1)
            {
                foreach (MediaStream stream in topStreams)
                {
                    foreach (SubtitleProfile profile in subtitleProfiles)
                    {
                        if (profile.Method == SubtitleDeliveryMethod.External && StringHelper.EqualsIgnoreCase(profile.Format, stream.Codec))
                        {
                            return stream.Index;
                        }
                    }
                }
            }

            // If no optimization panned out, just use the original default
            return item.DefaultSubtitleStreamIndex;
        }
예제 #9
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 #10
0
파일: StreamInfo.cs 프로젝트: t-andre/Emby
        private SubtitleStreamInfo GetSubtitleStreamInfo(MediaStream stream, string baseUrl, string accessToken, long startPositionTicks, SubtitleProfile[] subtitleProfiles)
        {
            SubtitleProfile subtitleProfile = StreamBuilder.GetSubtitleProfile(stream, subtitleProfiles, PlayMethod);
            SubtitleStreamInfo info = new SubtitleStreamInfo
            {
                IsForced = stream.IsForced,
                Language = stream.Language,
                Name = stream.Language ?? "Unknown",
                Format = subtitleProfile.Format,
                Index = stream.Index,
                DeliveryMethod = subtitleProfile.Method,
                DisplayTitle = stream.DisplayTitle
            };

            if (info.DeliveryMethod == SubtitleDeliveryMethod.External)
            {
                if (MediaSource.Protocol == MediaProtocol.File || !StringHelper.EqualsIgnoreCase(stream.Codec, subtitleProfile.Format))
                {
                    info.Url = string.Format("{0}/Videos/{1}/{2}/Subtitles/{3}/{4}/Stream.{5}",
                        baseUrl,
                        ItemId,
                        MediaSourceId,
                        StringHelper.ToStringCultureInvariant(stream.Index),
                        StringHelper.ToStringCultureInvariant(startPositionTicks),
                        subtitleProfile.Format);

                    if (!string.IsNullOrEmpty(accessToken))
                    {
                        info.Url += "?api_key=" + accessToken;
                    }

                    info.IsExternalUrl = false;
                }
                else
                {
                    info.Url = stream.Path;
                    info.IsExternalUrl = true;
                }
            }

            return info;
        }
예제 #11
0
        private bool ContainsSubtitleFormat(SubtitleProfile[] profiles, SubtitleDeliveryMethod method, string[] formats)
        {
            foreach (SubtitleProfile profile in profiles)
            {
                if (method == profile.Method && ListHelper.ContainsIgnoreCase(formats, profile.Format))
                {
                    return true;
                }
            }

            return false;
        }
예제 #12
0
        public DeviceProfile()
        {
            DirectPlayProfiles = new DirectPlayProfile[] { };
            TranscodingProfiles = new TranscodingProfile[] { };
            ResponseProfiles = new ResponseProfile[] { };
            CodecProfiles = new CodecProfile[] { };
            ContainerProfiles = new ContainerProfile[] { };

            SoftSubtitleProfiles = new SubtitleProfile[] { };
            ExternalSubtitleProfiles = new SubtitleProfile[] { };
            
            XmlRootAttributes = new XmlAttribute[] { };
            
            SupportedMediaTypes = "Audio,Photo,Video";
        }
예제 #13
0
        private bool ContainsSubtitleFormat(SubtitleProfile[] profiles, string[] formats)
        {
            foreach (SubtitleProfile profile in profiles)
            {
                if (ListHelper.ContainsIgnoreCase(formats, profile.Format))
                {
                    return true;
                }
            }

            return false;
        }
예제 #14
0
        private static SubtitleProfile GetExternalSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, bool allowConversion)
        {
            foreach (SubtitleProfile profile in subtitleProfiles)
            {
                if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)
                {
                    continue;
                }

                if (profile.Method == SubtitleDeliveryMethod.Hls && playMethod != PlayMethod.Transcode)
                {
                    continue;
                }

                if (!profile.SupportsLanguage(subtitleStream.Language))
                {
                    continue;
                }

                if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format)) ||
                    (profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream))
                {
                    bool requiresConversion = !StringHelper.EqualsIgnoreCase(subtitleStream.Codec, profile.Format);

                    if (!requiresConversion)
                    {
                        return profile;
                    }

                    if (!allowConversion)
                    {
                        continue;
                    }

                    if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
                    {
                        return profile;
                    }
                }
            }

            return null;
        }
예제 #15
0
        public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod)
        {
            if (playMethod != PlayMethod.Transcode && !subtitleStream.IsExternal)
            {
                // Look for supported embedded subs
                foreach (SubtitleProfile profile in subtitleProfiles)
                {
                    if (!profile.SupportsLanguage(subtitleStream.Language))
                    {
                        continue;
                    }

                    if (profile.Method != SubtitleDeliveryMethod.Embed)
                    {
                        continue;
                    }

                    if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && StringHelper.EqualsIgnoreCase(profile.Format, subtitleStream.Codec))
                    {
                        return profile;
                    }
                }
            }

            // Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
            return GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, false) ?? GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, true) ?? new SubtitleProfile
            {
                Method = SubtitleDeliveryMethod.Encode,
                Format = subtitleStream.Codec
            };
        }