/// <summary>
        /// Converts ffprobe stream info to our MediaStream class
        /// </summary>
        /// <param name="isAudio">if set to <c>true</c> [is audio].</param>
        /// <param name="streamInfo">The stream info.</param>
        /// <param name="formatInfo">The format info.</param>
        /// <returns>MediaStream.</returns>
        private MediaStream GetMediaStream(bool isAudio, MediaStreamInfo streamInfo, MediaFormatInfo formatInfo)
        {
            // These are mp4 chapters
            if (string.Equals(streamInfo.codec_name, "mov_text", StringComparison.OrdinalIgnoreCase))
            {
                return null;
            }

            var stream = new MediaStream
            {
                Codec = streamInfo.codec_name,
                Profile = streamInfo.profile,
                Level = streamInfo.level,
                Index = streamInfo.index,
                PixelFormat = streamInfo.pix_fmt
            };

            // Filter out junk
            if (!string.IsNullOrWhiteSpace(streamInfo.codec_tag_string) && streamInfo.codec_tag_string.IndexOf("[0]", StringComparison.OrdinalIgnoreCase) == -1)
            {
                stream.CodecTag = streamInfo.codec_tag_string;
            }

            if (streamInfo.tags != null)
            {
                stream.Language = GetDictionaryValue(streamInfo.tags, "language");
            }

            if (string.Equals(streamInfo.codec_type, "audio", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Audio;

                stream.Channels = streamInfo.channels;

                if (!string.IsNullOrEmpty(streamInfo.sample_rate))
                {
                    int value;
                    if (int.TryParse(streamInfo.sample_rate, NumberStyles.Any, _usCulture, out value))
                    {
                        stream.SampleRate = value;
                    }
                }

                stream.ChannelLayout = ParseChannelLayout(streamInfo.channel_layout);

                if (streamInfo.bits_per_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_sample;
                }
                else if (streamInfo.bits_per_raw_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_raw_sample;
                }
            }
            else if (string.Equals(streamInfo.codec_type, "subtitle", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Subtitle;
            }
            else if (string.Equals(streamInfo.codec_type, "video", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = isAudio || string.Equals(stream.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase)
                    ? MediaStreamType.EmbeddedImage
                    : MediaStreamType.Video;

                stream.Width = streamInfo.width;
                stream.Height = streamInfo.height;
                stream.AspectRatio = GetAspectRatio(streamInfo);

                stream.AverageFrameRate = GetFrameRate(streamInfo.avg_frame_rate);
                stream.RealFrameRate = GetFrameRate(streamInfo.r_frame_rate);

                if (streamInfo.bits_per_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_sample;
                }
                else if (streamInfo.bits_per_raw_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_raw_sample;
                }

                //stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.35:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.40:1", StringComparison.OrdinalIgnoreCase);

                // http://stackoverflow.com/questions/17353387/how-to-detect-anamorphic-video-with-ffprobe
                stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase);

                if (streamInfo.refs > 0)
                {
                    stream.RefFrames = streamInfo.refs;
                }
            }
            else
            {
                return null;
            }

            // Get stream bitrate
            var bitrate = 0;

            if (!string.IsNullOrEmpty(streamInfo.bit_rate))
            {
                int value;
                if (int.TryParse(streamInfo.bit_rate, NumberStyles.Any, _usCulture, out value))
                {
                    bitrate = value;
                }
            }

            if (bitrate == 0 && formatInfo != null && !string.IsNullOrEmpty(formatInfo.bit_rate) && stream.Type == MediaStreamType.Video)
            {
                // If the stream info doesn't have a bitrate get the value from the media format info
                int value;
                if (int.TryParse(formatInfo.bit_rate, NumberStyles.Any, _usCulture, out value))
                {
                    bitrate = value;
                }
            }

            if (bitrate > 0)
            {
                stream.BitRate = bitrate;
            }

            if (streamInfo.disposition != null)
            {
                var isDefault = GetDictionaryValue(streamInfo.disposition, "default");
                var isForced = GetDictionaryValue(streamInfo.disposition, "forced");

                stream.IsDefault = string.Equals(isDefault, "1", StringComparison.OrdinalIgnoreCase);

                stream.IsForced = string.Equals(isForced, "1", StringComparison.OrdinalIgnoreCase);
            }

            return stream;
        }
        private string GetAspectRatio(MediaStreamInfo info)
        {
            var original = info.display_aspect_ratio;

            int height;
            int width;

            var parts = (original ?? string.Empty).Split(':');
            if (!(parts.Length == 2 &&
                int.TryParse(parts[0], NumberStyles.Any, _usCulture, out width) &&
                int.TryParse(parts[1], NumberStyles.Any, _usCulture, out height) &&
                width > 0 &&
                height > 0))
            {
                width = info.width;
                height = info.height;
            }

            if (width > 0 && height > 0)
            {
                double ratio = width;
                ratio /= height;

                if (IsClose(ratio, 1.777777778, .03))
                {
                    return "16:9";
                }

                if (IsClose(ratio, 1.3333333333, .05))
                {
                    return "4:3";
                }

                if (IsClose(ratio, 1.41))
                {
                    return "1.41:1";
                }

                if (IsClose(ratio, 1.5))
                {
                    return "1.5:1";
                }

                if (IsClose(ratio, 1.6))
                {
                    return "1.6:1";
                }

                if (IsClose(ratio, 1.66666666667))
                {
                    return "5:3";
                }

                if (IsClose(ratio, 1.85, .02))
                {
                    return "1.85:1";
                }

                if (IsClose(ratio, 2.35, .025))
                {
                    return "2.35:1";
                }

                if (IsClose(ratio, 2.4, .025))
                {
                    return "2.40:1";
                }
            }

            return original;
        }
Example #3
0
        private string GetAspectRatio(MediaStreamInfo info)
        {
            var original = info.display_aspect_ratio;

            int height;
            int width;

            var parts = (original ?? string.Empty).Split(':');

            if (!(parts.Length == 2 &&
                  int.TryParse(parts[0], NumberStyles.Any, _usCulture, out width) &&
                  int.TryParse(parts[1], NumberStyles.Any, _usCulture, out height) &&
                  width > 0 &&
                  height > 0))
            {
                width  = info.width;
                height = info.height;
            }

            if (width > 0 && height > 0)
            {
                double ratio = width;
                ratio /= height;

                if (IsClose(ratio, 1.777777778, .03))
                {
                    return("16:9");
                }

                if (IsClose(ratio, 1.3333333333, .05))
                {
                    return("4:3");
                }

                if (IsClose(ratio, 1.41))
                {
                    return("1.41:1");
                }

                if (IsClose(ratio, 1.5))
                {
                    return("1.5:1");
                }

                if (IsClose(ratio, 1.6))
                {
                    return("1.6:1");
                }

                if (IsClose(ratio, 1.66666666667))
                {
                    return("5:3");
                }

                if (IsClose(ratio, 1.85, .02))
                {
                    return("1.85:1");
                }

                if (IsClose(ratio, 2.35, .025))
                {
                    return("2.35:1");
                }

                if (IsClose(ratio, 2.4, .025))
                {
                    return("2.40:1");
                }
            }

            return(original);
        }
Example #4
0
        /// <summary>
        /// Converts ffprobe stream info to our MediaStream class
        /// </summary>
        /// <param name="isAudio">if set to <c>true</c> [is info].</param>
        /// <param name="streamInfo">The stream info.</param>
        /// <param name="formatInfo">The format info.</param>
        /// <returns>MediaStream.</returns>
        private MediaStream GetMediaStream(bool isAudio, MediaStreamInfo streamInfo, MediaFormatInfo formatInfo)
        {
            // These are mp4 chapters
            if (string.Equals(streamInfo.codec_name, "mov_text", StringComparison.OrdinalIgnoreCase))
            {
                return(null);
            }

            var stream = new MediaStream
            {
                Codec         = streamInfo.codec_name,
                Profile       = streamInfo.profile,
                Level         = streamInfo.level,
                Index         = streamInfo.index,
                PixelFormat   = streamInfo.pix_fmt,
                NalLengthSize = streamInfo.nal_length_size
            };

            if (string.Equals(streamInfo.is_avc, "true", StringComparison.OrdinalIgnoreCase) ||
                string.Equals(streamInfo.is_avc, "1", StringComparison.OrdinalIgnoreCase))
            {
                stream.IsAVC = true;
            }
            else if (string.Equals(streamInfo.is_avc, "false", StringComparison.OrdinalIgnoreCase) ||
                     string.Equals(streamInfo.is_avc, "0", StringComparison.OrdinalIgnoreCase))
            {
                stream.IsAVC = false;
            }

            // Filter out junk
            if (!string.IsNullOrWhiteSpace(streamInfo.codec_tag_string) && streamInfo.codec_tag_string.IndexOf("[0]", StringComparison.OrdinalIgnoreCase) == -1)
            {
                stream.CodecTag = streamInfo.codec_tag_string;
            }

            if (streamInfo.tags != null)
            {
                stream.Language = GetDictionaryValue(streamInfo.tags, "language");
                stream.Comment  = GetDictionaryValue(streamInfo.tags, "comment");
                stream.Title    = GetDictionaryValue(streamInfo.tags, "title");
            }

            if (string.Equals(streamInfo.codec_type, "audio", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Audio;

                stream.Channels = streamInfo.channels;

                if (!string.IsNullOrEmpty(streamInfo.sample_rate))
                {
                    int value;
                    if (int.TryParse(streamInfo.sample_rate, NumberStyles.Any, _usCulture, out value))
                    {
                        stream.SampleRate = value;
                    }
                }

                stream.ChannelLayout = ParseChannelLayout(streamInfo.channel_layout);

                if (streamInfo.bits_per_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_sample;
                }
                else if (streamInfo.bits_per_raw_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_raw_sample;
                }
            }
            else if (string.Equals(streamInfo.codec_type, "subtitle", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Subtitle;
            }
            else if (string.Equals(streamInfo.codec_type, "video", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = isAudio || string.Equals(stream.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase) || string.Equals(stream.Codec, "gif", StringComparison.OrdinalIgnoreCase) || string.Equals(stream.Codec, "png", StringComparison.OrdinalIgnoreCase)
                    ? MediaStreamType.EmbeddedImage
                    : MediaStreamType.Video;

                stream.Width       = streamInfo.width;
                stream.Height      = streamInfo.height;
                stream.AspectRatio = GetAspectRatio(streamInfo);

                stream.AverageFrameRate = GetFrameRate(streamInfo.avg_frame_rate);
                stream.RealFrameRate    = GetFrameRate(streamInfo.r_frame_rate);

                if (streamInfo.bits_per_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_sample;
                }
                else if (streamInfo.bits_per_raw_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_raw_sample;
                }

                //stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.35:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.40:1", StringComparison.OrdinalIgnoreCase);

                // http://stackoverflow.com/questions/17353387/how-to-detect-anamorphic-video-with-ffprobe
                stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase);

                if (streamInfo.refs > 0)
                {
                    stream.RefFrames = streamInfo.refs;
                }
            }
            else
            {
                return(null);
            }

            // Get stream bitrate
            var bitrate = 0;

            if (!string.IsNullOrEmpty(streamInfo.bit_rate))
            {
                int value;
                if (int.TryParse(streamInfo.bit_rate, NumberStyles.Any, _usCulture, out value))
                {
                    bitrate = value;
                }
            }

            if (bitrate == 0 && formatInfo != null && !string.IsNullOrEmpty(formatInfo.bit_rate) && stream.Type == MediaStreamType.Video)
            {
                // If the stream info doesn't have a bitrate get the value from the media format info
                int value;
                if (int.TryParse(formatInfo.bit_rate, NumberStyles.Any, _usCulture, out value))
                {
                    bitrate = value;
                }
            }

            if (bitrate > 0)
            {
                stream.BitRate = bitrate;
            }

            if (streamInfo.disposition != null)
            {
                var isDefault = GetDictionaryValue(streamInfo.disposition, "default");
                var isForced  = GetDictionaryValue(streamInfo.disposition, "forced");

                stream.IsDefault = string.Equals(isDefault, "1", StringComparison.OrdinalIgnoreCase);

                stream.IsForced = string.Equals(isForced, "1", StringComparison.OrdinalIgnoreCase);
            }

            NormalizeStreamTitle(stream);

            return(stream);
        }
Example #5
0
        /// <summary>
        /// Converts ffprobe stream info to our MediaStream class
        /// </summary>
        /// <param name="streamInfo">The stream info.</param>
        /// <param name="formatInfo">The format info.</param>
        /// <returns>MediaStream.</returns>
        private MediaStream GetMediaStream(MediaStreamInfo streamInfo, MediaFormatInfo formatInfo)
        {
            var stream = new MediaStream
            {
                Codec       = streamInfo.codec_name,
                Profile     = streamInfo.profile,
                Level       = streamInfo.level,
                Index       = streamInfo.index,
                PixelFormat = streamInfo.pix_fmt
            };

            if (streamInfo.tags != null)
            {
                stream.Language = GetDictionaryValue(streamInfo.tags, "language");
            }

            if (string.Equals(streamInfo.codec_type, "audio", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Audio;

                stream.Channels = streamInfo.channels;

                if (!string.IsNullOrEmpty(streamInfo.sample_rate))
                {
                    stream.SampleRate = int.Parse(streamInfo.sample_rate, _usCulture);
                }

                stream.ChannelLayout = ParseChannelLayout(streamInfo.channel_layout);
            }
            else if (string.Equals(streamInfo.codec_type, "subtitle", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Subtitle;
            }
            else if (string.Equals(streamInfo.codec_type, "video", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = (streamInfo.codec_name ?? string.Empty).IndexOf("mjpeg", StringComparison.OrdinalIgnoreCase) != -1
                    ? MediaStreamType.EmbeddedImage
                    : MediaStreamType.Video;

                stream.Width       = streamInfo.width;
                stream.Height      = streamInfo.height;
                stream.AspectRatio = GetAspectRatio(streamInfo);

                stream.AverageFrameRate = GetFrameRate(streamInfo.avg_frame_rate);
                stream.RealFrameRate    = GetFrameRate(streamInfo.r_frame_rate);

                stream.BitDepth = GetBitDepth(stream.PixelFormat);

                //stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.35:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.40:1", StringComparison.OrdinalIgnoreCase);

                if (string.Equals(streamInfo.sample_aspect_ratio, "1:1", StringComparison.OrdinalIgnoreCase))
                {
                    stream.IsAnamorphic = false;
                }
                else if (!((string.IsNullOrWhiteSpace(streamInfo.sample_aspect_ratio) || string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase))))
                {
                    stream.IsAnamorphic = true;
                }
                else if (string.IsNullOrWhiteSpace(streamInfo.display_aspect_ratio) || string.Equals(streamInfo.display_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase))
                {
                    stream.IsAnamorphic = false;
                }
                else
                {
                    var ratioParts = streamInfo.display_aspect_ratio.Split(':');
                    if (ratioParts.Length != 2)
                    {
                        stream.IsAnamorphic = false;
                    }
                    else
                    {
                        int ratio0;
                        int ratio1;
                        if (!Int32.TryParse(ratioParts[0], NumberStyles.Any, CultureInfo.InvariantCulture, out ratio0))
                        {
                            stream.IsAnamorphic = false;
                        }
                        else if (!Int32.TryParse(ratioParts[1], NumberStyles.Any, CultureInfo.InvariantCulture, out ratio1))
                        {
                            stream.IsAnamorphic = false;
                        }
                        else
                        {
                            stream.IsAnamorphic = ((streamInfo.width * ratio1) != (stream.Height * ratio0));
                        }
                    }
                }
            }
            else
            {
                return(null);
            }

            // Get stream bitrate
            var bitrate = 0;

            if (!string.IsNullOrEmpty(streamInfo.bit_rate))
            {
                bitrate = int.Parse(streamInfo.bit_rate, _usCulture);
            }
            else if (formatInfo != null && !string.IsNullOrEmpty(formatInfo.bit_rate) && stream.Type == MediaStreamType.Video)
            {
                // If the stream info doesn't have a bitrate get the value from the media format info
                bitrate = int.Parse(formatInfo.bit_rate, _usCulture);
            }

            if (bitrate > 0)
            {
                stream.BitRate = bitrate;
            }

            if (streamInfo.disposition != null)
            {
                var isDefault = GetDictionaryValue(streamInfo.disposition, "default");
                var isForced  = GetDictionaryValue(streamInfo.disposition, "forced");

                stream.IsDefault = string.Equals(isDefault, "1", StringComparison.OrdinalIgnoreCase);

                stream.IsForced = string.Equals(isForced, "1", StringComparison.OrdinalIgnoreCase);
            }

            return(stream);
        }
Example #6
0
        /// <summary>
        /// Converts ffprobe stream info to our MediaStream class
        /// </summary>
        /// <param name="isAudio">if set to <c>true</c> [is audio].</param>
        /// <param name="streamInfo">The stream info.</param>
        /// <param name="formatInfo">The format info.</param>
        /// <returns>MediaStream.</returns>
        private MediaStream GetMediaStream(bool isAudio, MediaStreamInfo streamInfo, MediaFormatInfo formatInfo)
        {
            // These are mp4 chapters
            if (string.Equals(streamInfo.codec_name, "mov_text", StringComparison.OrdinalIgnoreCase))
            {
                return(null);
            }

            var stream = new MediaStream
            {
                Codec       = streamInfo.codec_name,
                Profile     = streamInfo.profile,
                Level       = streamInfo.level,
                Index       = streamInfo.index,
                PixelFormat = streamInfo.pix_fmt
            };

            if (streamInfo.tags != null)
            {
                stream.Language = GetDictionaryValue(streamInfo.tags, "language");
            }

            if (string.Equals(streamInfo.codec_type, "audio", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Audio;

                stream.Channels = streamInfo.channels;

                if (!string.IsNullOrEmpty(streamInfo.sample_rate))
                {
                    stream.SampleRate = int.Parse(streamInfo.sample_rate, _usCulture);
                }

                stream.ChannelLayout = ParseChannelLayout(streamInfo.channel_layout);
            }
            else if (string.Equals(streamInfo.codec_type, "subtitle", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Subtitle;
            }
            else if (string.Equals(streamInfo.codec_type, "video", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = isAudio || string.Equals(stream.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase)
                    ? MediaStreamType.EmbeddedImage
                    : MediaStreamType.Video;

                stream.Width       = streamInfo.width;
                stream.Height      = streamInfo.height;
                stream.AspectRatio = GetAspectRatio(streamInfo);

                stream.AverageFrameRate = GetFrameRate(streamInfo.avg_frame_rate);
                stream.RealFrameRate    = GetFrameRate(streamInfo.r_frame_rate);

                stream.BitDepth = GetBitDepth(stream.PixelFormat);

                //stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.35:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.40:1", StringComparison.OrdinalIgnoreCase);

                // http://stackoverflow.com/questions/17353387/how-to-detect-anamorphic-video-with-ffprobe
                stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase);
            }
            else
            {
                return(null);
            }

            // Get stream bitrate
            var bitrate = 0;

            if (!string.IsNullOrEmpty(streamInfo.bit_rate))
            {
                bitrate = int.Parse(streamInfo.bit_rate, _usCulture);
            }
            else if (formatInfo != null && !string.IsNullOrEmpty(formatInfo.bit_rate) && stream.Type == MediaStreamType.Video)
            {
                // If the stream info doesn't have a bitrate get the value from the media format info
                bitrate = int.Parse(formatInfo.bit_rate, _usCulture);
            }

            if (bitrate > 0)
            {
                stream.BitRate = bitrate;
            }

            if (streamInfo.disposition != null)
            {
                var isDefault = GetDictionaryValue(streamInfo.disposition, "default");
                var isForced  = GetDictionaryValue(streamInfo.disposition, "forced");

                stream.IsDefault = string.Equals(isDefault, "1", StringComparison.OrdinalIgnoreCase);

                stream.IsForced = string.Equals(isForced, "1", StringComparison.OrdinalIgnoreCase);
            }

            return(stream);
        }
Example #7
0
        /// <summary>
        /// Converts ffprobe stream info to our MediaStream class
        /// </summary>
        /// <param name="isAudio">if set to <c>true</c> [is info].</param>
        /// <param name="streamInfo">The stream info.</param>
        /// <param name="formatInfo">The format info.</param>
        /// <returns>MediaStream.</returns>
        private MediaStream GetMediaStream(bool isAudio, MediaStreamInfo streamInfo, MediaFormatInfo formatInfo)
        {
            // These are mp4 chapters
            if (string.Equals(streamInfo.codec_name, "mov_text", StringComparison.OrdinalIgnoreCase))
            {
                return null;
            }

            var stream = new MediaStream
            {
                Codec = streamInfo.codec_name,
                Profile = streamInfo.profile,
                Level = streamInfo.level,
                Index = streamInfo.index,
                PixelFormat = streamInfo.pix_fmt,
                NalLengthSize = streamInfo.nal_length_size
            };

            if (string.Equals(streamInfo.is_avc, "true", StringComparison.OrdinalIgnoreCase) ||
                string.Equals(streamInfo.is_avc, "1", StringComparison.OrdinalIgnoreCase))
            {
                stream.IsAVC = true;
            }
            else if (string.Equals(streamInfo.is_avc, "false", StringComparison.OrdinalIgnoreCase) ||
                string.Equals(streamInfo.is_avc, "0", StringComparison.OrdinalIgnoreCase))
            {
                stream.IsAVC = false;
            }

            // Filter out junk
            if (!string.IsNullOrWhiteSpace(streamInfo.codec_tag_string) && streamInfo.codec_tag_string.IndexOf("[0]", StringComparison.OrdinalIgnoreCase) == -1)
            {
                stream.CodecTag = streamInfo.codec_tag_string;
            }

            if (streamInfo.tags != null)
            {
                stream.Language = GetDictionaryValue(streamInfo.tags, "language");
                stream.Comment = GetDictionaryValue(streamInfo.tags, "comment");
                stream.Title = GetDictionaryValue(streamInfo.tags, "title");
            }

            if (string.Equals(streamInfo.codec_type, "audio", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Audio;

                stream.Channels = streamInfo.channels;

                if (!string.IsNullOrEmpty(streamInfo.sample_rate))
                {
                    int value;
                    if (int.TryParse(streamInfo.sample_rate, NumberStyles.Any, _usCulture, out value))
                    {
                        stream.SampleRate = value;
                    }
                }

                stream.ChannelLayout = ParseChannelLayout(streamInfo.channel_layout);

                if (streamInfo.bits_per_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_sample;
                }
                else if (streamInfo.bits_per_raw_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_raw_sample;
                }
            }
            else if (string.Equals(streamInfo.codec_type, "subtitle", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = MediaStreamType.Subtitle;
            }
            else if (string.Equals(streamInfo.codec_type, "video", StringComparison.OrdinalIgnoreCase))
            {
                stream.Type = isAudio || string.Equals(stream.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase) || string.Equals(stream.Codec, "gif", StringComparison.OrdinalIgnoreCase) || string.Equals(stream.Codec, "png", StringComparison.OrdinalIgnoreCase)
                    ? MediaStreamType.EmbeddedImage
                    : MediaStreamType.Video;

                stream.Width = streamInfo.width;
                stream.Height = streamInfo.height;
                stream.AspectRatio = GetAspectRatio(streamInfo);

                stream.AverageFrameRate = GetFrameRate(streamInfo.avg_frame_rate);
                stream.RealFrameRate = GetFrameRate(streamInfo.r_frame_rate);

                if (streamInfo.bits_per_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_sample;
                }
                else if (streamInfo.bits_per_raw_sample > 0)
                {
                    stream.BitDepth = streamInfo.bits_per_raw_sample;
                }

                //stream.IsAnamorphic = string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.35:1", StringComparison.OrdinalIgnoreCase) ||
                //    string.Equals(stream.AspectRatio, "2.40:1", StringComparison.OrdinalIgnoreCase);

                if (string.Equals(streamInfo.sample_aspect_ratio, "1:1", StringComparison.OrdinalIgnoreCase))
                {
                    stream.IsAnamorphic = false;
                }
                else if (!((string.IsNullOrWhiteSpace(streamInfo.sample_aspect_ratio) || string.Equals(streamInfo.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase))))
                {
                    stream.IsAnamorphic = true;
                }
                else if (string.IsNullOrWhiteSpace(streamInfo.display_aspect_ratio) || string.Equals(streamInfo.display_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase))
                {
                    stream.IsAnamorphic = false;
                }
                else
                {
                    var ratioParts = streamInfo.display_aspect_ratio.Split(':');
                    if (ratioParts.Length != 2)
                    {
                        stream.IsAnamorphic = false;
                    }
                    else
                    {
                        int ratio0;
                        int ratio1;
                        if (!Int32.TryParse(ratioParts[0], NumberStyles.Any, CultureInfo.InvariantCulture, out ratio0))
                        {
                            stream.IsAnamorphic = false;
                        }
                        else if (!Int32.TryParse(ratioParts[1], NumberStyles.Any, CultureInfo.InvariantCulture, out ratio1))
                        {
                            stream.IsAnamorphic = false;
                        }
                        else
                        {
                            // allow up to 2% difference between stated display aspect and the calculated ratio
                            stream.IsAnamorphic = (Math.Abs((streamInfo.width * ratio1) - (streamInfo.height * ratio0)) * 100.0f) / Math.Max((streamInfo.height * ratio0), (streamInfo.width * ratio1)) > 2;
                        }
                    }
                }
            

                if (streamInfo.refs > 0)
                {
                    stream.RefFrames = streamInfo.refs;
                }
            }
            else
            {
                return null;
            }

            // Get stream bitrate
            var bitrate = 0;

            if (!string.IsNullOrEmpty(streamInfo.bit_rate))
            {
                int value;
                if (int.TryParse(streamInfo.bit_rate, NumberStyles.Any, _usCulture, out value))
                {
                    bitrate = value;
                }
            }

            if (bitrate == 0 && formatInfo != null && !string.IsNullOrEmpty(formatInfo.bit_rate) && stream.Type == MediaStreamType.Video)
            {
                // If the stream info doesn't have a bitrate get the value from the media format info
                int value;
                if (int.TryParse(formatInfo.bit_rate, NumberStyles.Any, _usCulture, out value))
                {
                    bitrate = value;
                }
            }

            if (bitrate > 0)
            {
                stream.BitRate = bitrate;
            }

            if (streamInfo.disposition != null)
            {
                var isDefault = GetDictionaryValue(streamInfo.disposition, "default");
                var isForced = GetDictionaryValue(streamInfo.disposition, "forced");

                stream.IsDefault = string.Equals(isDefault, "1", StringComparison.OrdinalIgnoreCase);

                stream.IsForced = string.Equals(isForced, "1", StringComparison.OrdinalIgnoreCase);
            }

            NormalizeStreamTitle(stream);

            return stream;
        }