using MediaInfo.Builder;
using MediaInfo.Model;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
namespace MediaInfo
{
public class MediaInfoWrapper
{
private static readonly Dictionary<string, bool> SubTitleExtensions = new Dictionary<string, bool>()
{
{
".AQT",
true
},
{
".ASC",
true
},
{
".ASS",
true
},
{
".DAT",
true
},
{
".DKS",
true
},
{
".IDX",
true
},
{
".JS",
true
},
{
".JSS",
true
},
{
".LRC",
true
},
{
".MPL",
true
},
{
".OVR",
true
},
{
".PAN",
true
},
{
".PJS",
true
},
{
".PSB",
true
},
{
".RT",
true
},
{
".RTF",
true
},
{
".S2K",
true
},
{
".SBT",
true
},
{
".SCR",
true
},
{
".SMI",
true
},
{
".SON",
true
},
{
".SRT",
true
},
{
".SSA",
true
},
{
".SST",
true
},
{
".SSTS",
true
},
{
".STL",
true
},
{
".SUB",
true
},
{
".TXT",
true
},
{
".VKT",
true
},
{
".VSF",
true
},
{
".ZEG",
true
}
};
private readonly ILogger _logger;
private readonly string _filePath;
private readonly bool Is64BitProcess;
private readonly string RealPathToDll;
private readonly MediaInfo.MediaInfo _mi;
public MediaInfoWrapper(string filePath, ILogger logger = null)
: this(filePath, Environment.Is64BitProcess ? ".\\x64" : ".\\x86", logger)
{
}
public MediaInfoWrapper(string filePath, string pathToDll, ILogger logger)
{
this._filePath = filePath;
this._logger = logger;
logger.LogDebug("Analyzing media {0}.", (object) filePath);
this.VideoStreams = (IList<VideoStream>) new List<VideoStream>();
this.AudioStreams = (IList<AudioStream>) new List<AudioStream>();
this.Subtitles = (IList<SubtitleStream>) new List<SubtitleStream>();
this.Chapters = (IList<ChapterStream>) new List<ChapterStream>();
this.MenuStreams = (IList<MenuStream>) new List<MenuStream>();
if (string.IsNullOrEmpty(filePath))
{
this.MediaInfoNotloaded = true;
logger.LogError("Media file name to processing is null or empty");
}
else
{
string pathToDll1 = ((string) null).IfExistsPath("./", logger).IfExistsPath(pathToDll, logger).IfExistsPath(Path.GetDirectoryName(typeof (MediaInfoWrapper).Assembly.Location), logger).IfExistsPath(Path.IsPathRooted(pathToDll) ? (string) null : Path.Combine(Path.GetDirectoryName(typeof (MediaInfoWrapper).Assembly.Location), pathToDll), logger);
if (string.IsNullOrEmpty(pathToDll1))
{
logger.LogError("MediaInfo.dll was not found");
this.MediaInfoNotloaded = true;
}
else
{
bool flag1 = filePath.IsLiveTv();
bool flag2 = filePath.IsLiveTv();
bool flag3 = filePath.IsRtsp();
bool flag4 = filePath.IsAvStream();
if (flag3)
{
this.MediaInfoNotloaded = true;
logger.LogInformation("Media file is RTSP");
}
else
{
if (flag2 | flag1)
{
string[] files = Directory.GetFiles(Path.GetDirectoryName(filePath), Path.GetFileName(filePath) + "*.ts");
if ((uint) files.Length > 0U)
{
filePath = files[0];
}
else
{
this.MediaInfoNotloaded = true;
logger.LogInformation("Media file is " + (flag1 ? "TV" : (flag2 ? "radio" : (flag3 ? "RTSP" : string.Empty))));
return;
}
}
NumberFormatInfo providerNumber = new NumberFormatInfo()
{
NumberDecimalSeparator = "."
};
try
{
if (!flag4)
{
if (filePath.EndsWith(".ifo", StringComparison.OrdinalIgnoreCase))
{
this._logger.LogDebug("Detects DVD. Processing DVD information");
filePath = this.ProcessDvd(filePath, pathToDll1, providerNumber);
}
else if (filePath.EndsWith(".bdmv", StringComparison.OrdinalIgnoreCase))
{
this._logger.LogDebug("Detects BD.");
this.IsBluRay = true;
filePath = Path.GetDirectoryName(filePath);
this.Size = MediaInfoWrapper.GetDirectorySize(filePath);
}
else
this.Size = new FileInfo(filePath).Length;
this.HasExternalSubtitles = !string.IsNullOrEmpty(filePath) && MediaInfoWrapper.CheckHasExternalSubtitles(filePath);
if (this.HasExternalSubtitles)
this._logger.LogDebug("Found external subtitles");
}
this.ExtractInfo(filePath, pathToDll1, providerNumber);
logger.LogDebug(string.Format("Process file {0} was completed successfully. Video={1}, Audio={2}, Subtitle={3}", (object) filePath, (object) this.VideoStreams.Count, (object) this.AudioStreams.Count, (object) this.Subtitles.Count));
}
catch (Exception ex)
{
logger.LogError(ex, "Error processing media file");
}
}
}
}
}
public void WriteInfo()
{
this._logger.LogInformation("Inspecting media : " + this._filePath);
if (this.MediaInfoNotloaded)
{
this._logger.LogWarning("MediaInfo.dll was not loaded!");
}
else
{
this._logger.LogDebug("DLL version : " + this.Version);
this._logger.LogDebug(string.Format("Media duration : {0}", (object) TimeSpan.FromMilliseconds((double) this.Duration)));
ILogger logger1 = this._logger;
IList<AudioStream> audioStreams1 = this.AudioStreams;
string message1 = string.Format("Has audio : {0}", (object) ((audioStreams1 != null ? audioStreams1.Count : 0) > 0));
object[] objArray1 = new object[0];
logger1.LogDebug(message1, objArray1);
this._logger.LogDebug(string.Format("Has video : {0}", (object) this.HasVideo));
this._logger.LogDebug(string.Format("Has subtitles : {0}", (object) this.HasSubtitles));
this._logger.LogDebug(string.Format("Has chapters : {0}", (object) this.HasChapters));
this._logger.LogDebug(string.Format("Is DVD : {0}", (object) this.IsDvd));
this._logger.LogDebug(string.Format("Is Blu-Ray disk : {0}", (object) this.IsBluRay));
if (this.HasVideo)
{
ILogger logger2 = this._logger;
VideoStream bestVideoStream1 = this.BestVideoStream;
string message2 = string.Format("Video duration : {0}", (object) (bestVideoStream1 != null ? bestVideoStream1.Duration : TimeSpan.MinValue));
object[] objArray2 = new object[0];
logger2.LogDebug(message2, objArray2);
this._logger.LogDebug(string.Format("Video frame rate : {0}", (object) this.Framerate));
this._logger.LogDebug(string.Format("Video width : {0}", (object) this.Width));
this._logger.LogDebug(string.Format("Video height : {0}", (object) this.Height));
this._logger.LogDebug("Video aspect ratio : " + this.AspectRatio);
this._logger.LogDebug("Video codec : " + this.VideoCodec);
this._logger.LogDebug("Video scan type : " + this.ScanType);
this._logger.LogDebug(string.Format("Is video interlaced : {0}", (object) this.IsInterlaced));
this._logger.LogDebug("Video resolution : " + this.VideoResolution);
ILogger logger3 = this._logger;
VideoStream bestVideoStream2 = this.BestVideoStream;
string message3 = string.Format("Video 3D mode : {0}", (object) (StereoMode) (bestVideoStream2 != null ? (int) bestVideoStream2.Stereoscopic : 0));
object[] objArray3 = new object[0];
logger3.LogDebug(message3, objArray3);
ILogger logger4 = this._logger;
VideoStream bestVideoStream3 = this.BestVideoStream;
string message4 = string.Format("Video HDR standard : {0}", (object) (Hdr) (bestVideoStream3 != null ? (int) bestVideoStream3.Hdr : 0));
object[] objArray4 = new object[0];
logger4.LogDebug(message4, objArray4);
}
IList<AudioStream> audioStreams2 = this.AudioStreams;
if ((audioStreams2 != null ? audioStreams2.Count : 0) > 0)
{
ILogger logger5 = this._logger;
AudioStream bestAudioStream1 = this.BestAudioStream;
string message5 = string.Format("Audio duration : {0}", (object) (bestAudioStream1 != null ? bestAudioStream1.Duration : TimeSpan.MinValue));
object[] objArray5 = new object[0];
logger5.LogDebug(message5, objArray5);
this._logger.LogDebug(string.Format("Audio rate : {0}", (object) this.AudioRate));
this._logger.LogDebug("Audio channels : " + this.AudioChannelsFriendly);
this._logger.LogDebug("Audio codec : " + this.AudioCodec);
ILogger logger6 = this._logger;
AudioStream bestAudioStream2 = this.BestAudioStream;
string message6 = string.Format("Audio bit depth : {0}", (object) (bestAudioStream2 != null ? bestAudioStream2.BitDepth : 0));
object[] objArray6 = new object[0];
logger6.LogDebug(message6, objArray6);
}
if (this.HasSubtitles)
{
ILogger logger7 = this._logger;
IList<SubtitleStream> subtitles = this.Subtitles;
string message7 = string.Format("Subtitles count : {0}", (object) (subtitles != null ? subtitles.Count : 0));
object[] objArray7 = new object[0];
logger7.LogDebug(message7, objArray7);
}
if (this.HasChapters)
{
ILogger logger8 = this._logger;
IList<ChapterStream> chapters = this.Chapters;
string message8 = string.Format("Chapters count : {0}", (object) (chapters != null ? chapters.Count : 0));
object[] objArray8 = new object[0];
logger8.LogDebug(message8, objArray8);
}
}
}
private static long GetDirectorySize(string folderName) => !Directory.Exists(folderName) ? 0L : ((IEnumerable<string>) Directory.GetFiles(folderName)).Sum<string>((Func<string, long>) (x => new FileInfo(x).Length)) + ((IEnumerable<string>) Directory.GetDirectories(folderName)).Sum<string>((Func<string, long>) (x => MediaInfoWrapper.GetDirectorySize(x)));
private string ProcessDvd(string filePath, string pathToDll, NumberFormatInfo providerNumber)
{
this.IsDvd = true;
string str = Path.GetDirectoryName(filePath) ?? string.Empty;
this.Size = MediaInfoWrapper.GetDirectorySize(str);
string[] files = Directory.GetFiles(str, "*.BUP", SearchOption.TopDirectoryOnly);
List<Tuple<string, int>> source = new List<Tuple<string, int>>();
foreach (string fileName in files)
{
using (MediaInfo.MediaInfo mediaInfo = new MediaInfo.MediaInfo(pathToDll))
{
this.Version = mediaInfo.Option("Info_Version");
mediaInfo.Open(fileName);
if (mediaInfo.Get(StreamKind.General, 0, "Format_Profile") == "Program")
{
double result;
double.TryParse(mediaInfo.Get(StreamKind.Video, 0, "Duration"), NumberStyles.AllowDecimalPoint, (IFormatProvider) providerNumber, out result);
source.Add(new Tuple<string, int>(fileName, (int) result));
}
}
}
if (source.Any<Tuple<string, int>>())
{
this.Duration = source.Max<Tuple<string, int>>((Func<Tuple<string, int>, int>) (x => x.Item2));
filePath = source.First<Tuple<string, int>>((Func<Tuple<string, int>, bool>) (x => x.Item2 == this.Duration)).Item1;
}
return filePath;
}
private void ExtractInfo(string filePath, string pathToDll, NumberFormatInfo providerNumber)
{
using (MediaInfo.MediaInfo mediaInfo = new MediaInfo.MediaInfo(pathToDll))
{
if (mediaInfo.Handle == IntPtr.Zero)
{
this.MediaInfoNotloaded = true;
this._logger.LogWarning("MediaInfo library was not loaded!");
}
else
{
this.Version = mediaInfo.Option("Info_Version");
this._logger.LogDebug(string.Format("MediaInfo library was loaded. Handle={0} Version is {1}", (object) mediaInfo.Handle, (object) this.Version));
IntPtr num1 = mediaInfo.Open(filePath);
if (num1 == IntPtr.Zero)
{
this.MediaInfoNotloaded = true;
this._logger.LogWarning("MediaInfo library has not been opened media " + filePath);
}
else
{
this._logger.LogDebug(string.Format("MediaInfo library successfully opened {0}. Handle={1}", (object) filePath, (object) num1));
this.Format = mediaInfo.Get(StreamKind.General, 0, "Format");
this.Profile = mediaInfo.Get(StreamKind.General, 0, "Format_Profile");
this.FormatVersion = mediaInfo.Get(StreamKind.General, 0, "Format_Version");
this.Codec = mediaInfo.Get(StreamKind.General, 0, "CodecID");
int num2 = 0;
this.Tags = new AudioTagBuilder(mediaInfo, 0).Build();
this._logger.LogDebug(string.Format("Found {0} video streams.", (object) mediaInfo.CountGet(StreamKind.Video)));
for (int position = 0; position < mediaInfo.CountGet(StreamKind.Video); ++position)
this.VideoStreams.Add(new VideoStreamBuilder(mediaInfo, num2++, position).Build());
if (this.Duration == 0)
{
double result;
double.TryParse(mediaInfo.Get(StreamKind.Video, 0, 88), NumberStyles.AllowDecimalPoint, (IFormatProvider) providerNumber, out result);
this.Duration = (int) result;
}
object obj1;
if (this.VideoStreams.Count == 1 && this.Tags.GeneralTags.TryGetValue((NativeMethods.General) 1000, out obj1))
{
object obj2;
this.VideoStreams[0].Stereoscopic = !this.Tags.GeneralTags.TryGetValue((NativeMethods.General) 1001, out obj2) ? ((bool) obj1 ? StereoMode.Stereo : StereoMode.Mono) : (StereoMode) obj2;
}
this._logger.LogDebug(string.Format("Found {0} audio streams.", (object) mediaInfo.CountGet(StreamKind.Audio)));
for (int position = 0; position < mediaInfo.CountGet(StreamKind.Audio); ++position)
this.AudioStreams.Add(new AudioStreamBuilder(mediaInfo, num2++, position).Build());
if (this.Duration == 0)
{
double result;
double.TryParse(mediaInfo.Get(StreamKind.Audio, 0, 70), NumberStyles.AllowDecimalPoint, (IFormatProvider) providerNumber, out result);
this.Duration = (int) result;
}
this._logger.LogDebug(string.Format("Found {0} subtitle streams.", (object) mediaInfo.CountGet(StreamKind.Text)));
for (int position = 0; position < mediaInfo.CountGet(StreamKind.Text); ++position)
this.Subtitles.Add(new SubtitleStreamBuilder(mediaInfo, num2++, position).Build());
this._logger.LogDebug(string.Format("Found {0} chapters.", (object) mediaInfo.CountGet(StreamKind.Other)));
for (int position = 0; position < mediaInfo.CountGet(StreamKind.Other); ++position)
this.Chapters.Add(new ChapterStreamBuilder(mediaInfo, num2++, position).Build());
this._logger.LogDebug(string.Format("Found {0} menu items.", (object) mediaInfo.CountGet(StreamKind.Menu)));
for (int position = 0; position < mediaInfo.CountGet(StreamKind.Menu); ++position)
this.MenuStreams.Add(new MenuStreamBuilder(mediaInfo, num2++, position).Build());
this.MediaInfoNotloaded = this.VideoStreams.Count == 0 && this.AudioStreams.Count == 0 && this.Subtitles.Count == 0;
if (this.MediaInfoNotloaded)
this.SetPropertiesDefault();
else
this.SetupProperties(mediaInfo);
}
}
}
}
private void SetPropertiesDefault()
{
this.VideoCodec = string.Empty;
this.VideoResolution = string.Empty;
this.ScanType = string.Empty;
this.AspectRatio = string.Empty;
this.AudioCodec = string.Empty;
this.AudioChannelsFriendly = string.Empty;
}
private void SetupProperties(MediaInfo.MediaInfo mediaInfo)
{
this.BestVideoStream = this.VideoStreams.OrderByDescending<VideoStream, double>((Func<VideoStream, double>) (x => (double) ((long) x.Width * (long) x.Height * (long) x.BitDepth * (x.Stereoscopic == StereoMode.Mono ? 1L : 2L)) * x.FrameRate * (x.Bitrate <= 1E-07 ? 1.0 : x.Bitrate))).FirstOrDefault<VideoStream>();
this.VideoCodec = this.BestVideoStream?.CodecName ?? string.Empty;
double? nullable1 = this.BestVideoStream?.Bitrate;
int? nullable2 = nullable1.HasValue ? new int?((int) nullable1.GetValueOrDefault()) : new int?();
this.VideoRate = nullable2.GetValueOrDefault();
this.VideoResolution = this.BestVideoStream?.Resolution ?? string.Empty;
VideoStream bestVideoStream1 = this.BestVideoStream;
this.Width = bestVideoStream1 != null ? bestVideoStream1.Width : 0;
VideoStream bestVideoStream2 = this.BestVideoStream;
this.Height = bestVideoStream2 != null ? bestVideoStream2.Height : 0;
VideoStream bestVideoStream3 = this.BestVideoStream;
this.IsInterlaced = bestVideoStream3 != null && bestVideoStream3.Interlaced;
VideoStream bestVideoStream4 = this.BestVideoStream;
this.Framerate = bestVideoStream4 != null ? bestVideoStream4.FrameRate : 0.0;
this.ScanType = this.BestVideoStream != null ? mediaInfo.Get(StreamKind.Video, this.BestVideoStream.StreamPosition, "ScanType").ToLower() : string.Empty;
this.AspectRatio = this.BestVideoStream != null ? mediaInfo.Get(StreamKind.Video, this.BestVideoStream.StreamPosition, "DisplayAspectRatio") : string.Empty;
this.AspectRatio = this.BestVideoStream != null ? (this.AspectRatio == "4:3" || this.AspectRatio == "1.333" ? "fullscreen" : "widescreen") : string.Empty;
this.BestAudioStream = this.AudioStreams.OrderByDescending<AudioStream, double>((Func<AudioStream, double>) (x => (double) (x.Channel * 10000000) + x.Bitrate)).FirstOrDefault<AudioStream>();
this.AudioCodec = this.BestAudioStream?.CodecName ?? string.Empty;
nullable1 = this.BestAudioStream?.Bitrate;
int? nullable3;
if (!nullable1.HasValue)
{
nullable2 = new int?();
nullable3 = nullable2;
}
else
nullable3 = new int?((int) nullable1.GetValueOrDefault());
nullable2 = nullable3;
this.AudioRate = nullable2.GetValueOrDefault();
nullable1 = this.BestAudioStream?.SamplingRate;
int? nullable4;
if (!nullable1.HasValue)
{
nullable2 = new int?();
nullable4 = nullable2;
}
else
nullable4 = new int?((int) nullable1.GetValueOrDefault());
nullable2 = nullable4;
this.AudioSampleRate = nullable2.GetValueOrDefault();
AudioStream bestAudioStream = this.BestAudioStream;
this.AudioChannels = bestAudioStream != null ? bestAudioStream.Channel : 0;
this.AudioChannelsFriendly = this.BestAudioStream?.AudioChannelsFriendly ?? string.Empty;
}
private static bool CheckHasExternalSubtitles(string strFile)
{
if (string.IsNullOrEmpty(strFile))
return false;
string withoutExtension = Path.GetFileNameWithoutExtension(strFile);
try
{
return ((IEnumerable<string>) Directory.GetFiles(Path.GetDirectoryName(strFile) ?? string.Empty, withoutExtension + "*")).Select<string, FileInfo>((Func<string, FileInfo>) (file => new FileInfo(file))).Any<FileInfo>((Func<FileInfo, bool>) (fi => MediaInfoWrapper.SubTitleExtensions.ContainsKey(fi.Extension.ToUpper())));
}
catch
{
return false;
}
}
public bool HasVideo => this.VideoStreams.Count > 0;
public bool Is3D => this.VideoStreams.Any<VideoStream>((Func<VideoStream, bool>) (x => (uint) x.Stereoscopic > 0U));
public bool IsHdr => this.VideoStreams.Any<VideoStream>((Func<VideoStream, bool>) (x => (uint) x.Hdr > 0U));
public IList<VideoStream> VideoStreams { get; }
public VideoStream BestVideoStream { get; private set; }
public string VideoCodec { get; private set; }
public double Framerate { get; private set; }
public int Width { get; private set; }
public int Height { get; private set; }
public string AspectRatio { get; private set; }
public string ScanType { get; private set; }
public bool IsInterlaced { get; private set; }
public string VideoResolution { get; private set; }
public int VideoRate { get; private set; }
public IList<AudioStream> AudioStreams { get; }
public AudioStream BestAudioStream { get; private set; }
public string AudioCodec { get; private set; }
public int AudioRate { get; private set; }
public int AudioSampleRate { get; private set; }
public int AudioChannels { get; private set; }
public string AudioChannelsFriendly { get; private set; }
public IList<SubtitleStream> Subtitles { get; }
public bool HasSubtitles => this.HasExternalSubtitles || this.Subtitles.Count > 0;
public bool HasExternalSubtitles { get; }
public IList<ChapterStream> Chapters { get; }
public bool HasChapters => this.Chapters.Count > 0;
public IList<MenuStream> MenuStreams { get; }
public bool HasMenu => this.MenuStreams.Count > 0;
public bool IsDvd { get; private set; }
public string Format { get; private set; }
public string FormatVersion { get; private set; }
public string Profile { get; private set; }
public string Codec { get; private set; }
public bool IsBluRay { get; }
public bool MediaInfoNotloaded { get; private set; }
public int Duration { get; private set; }
public string Version { get; private set; }
public long Size { get; private set; }
public AudioTags Tags { get; private set; }
public MediaInfoWrapper(long FileSize, ILogger logger = null)
: this(FileSize, Environment.Is64BitProcess ? ".\\x64" : ".\\x86", logger)
{
}
public MediaInfoWrapper(long FileSize, string pathToDll, ILogger logger = null)
{
this.Is64BitProcess = Environment.Is64BitProcess;
if (string.IsNullOrEmpty(pathToDll))
pathToDll = Environment.Is64BitProcess ? ".\\x64" : ".\\x86";
this._logger = logger;
logger.LogDebug("Initializing media for stream.");
this.VideoStreams = (IList<VideoStream>) new List<VideoStream>();
this.AudioStreams = (IList<AudioStream>) new List<AudioStream>();
this.Subtitles = (IList<SubtitleStream>) new List<SubtitleStream>();
this.Chapters = (IList<ChapterStream>) new List<ChapterStream>();
this.RealPathToDll = ((string) null).IfExistsPath("./", logger).IfExistsPath(pathToDll, logger).IfExistsPath(Path.GetDirectoryName(typeof (MediaInfoWrapper).Assembly.Location), logger).IfExistsPath(Path.IsPathRooted(pathToDll) ? (string) null : Path.Combine(Path.GetDirectoryName(typeof (MediaInfoWrapper).Assembly.Location), pathToDll), logger);
this.MenuStreams = (IList<MenuStream>) new List<MenuStream>();
if (string.IsNullOrEmpty(this.RealPathToDll))
{
logger.LogError("MediaInfo.dll was not found");
this.MediaInfoNotloaded = true;
}
else
{
this._mi = new MediaInfo.MediaInfo(this.RealPathToDll);
this._mi = new MediaInfo.MediaInfo(pathToDll);
this.Size = FileSize;
this._mi.Option("File_IsSeekable", "0");
this._mi.OpenBufferInit(FileSize, 0L);
}
}
public MediaInfoWrapper(Stream inputStream, ILogger logger = null)
: this(inputStream, Environment.Is64BitProcess ? ".\\x64" : ".\\x86", logger)
{
}
public MediaInfoWrapper(Stream inputStream, string pathToDll, ILogger logger)
: this(inputStream.Length, pathToDll, logger)
{
NumberFormatInfo providerNumber = new NumberFormatInfo()
{
NumberDecimalSeparator = "."
};
try
{
this.ExtractInfo(inputStream, this.RealPathToDll, providerNumber);
logger.LogDebug(string.Format("Process file {0} was completed successfully. Video={1}, Audio={2}, Subtitle={3}", (object) inputStream, (object) this.VideoStreams.Count, (object) this.AudioStreams.Count, (object) this.Subtitles.Count));
}
catch (Exception ex)
{
logger.LogError(ex, "Error processing media file");
}
}
public bool AddBytesToRead(byte[] bytesToRead, int offset, int length)
{
if (offset > 0)
{
byte[] numArray = new byte[length];
Array.Copy((Array) bytesToRead, offset, (Array) numArray, 0, length);
bytesToRead = numArray;
}
GCHandle gcHandle = GCHandle.Alloc((object) bytesToRead, GCHandleType.Pinned);
IntPtr num = this._mi.OpenBufferContinue(gcHandle.AddrOfPinnedObject(), (IntPtr) length);
gcHandle.Free();
return ((int) num & 8) != 8;
}
public bool FinalizeReadBytes()
{
NumberFormatInfo providerNumber = new NumberFormatInfo()
{
NumberDecimalSeparator = "."
};
bool flag;
try
{
this._mi.OpenBufferFinalize();
this.ExtractData(this._mi, providerNumber);
flag = true;
}
catch (Exception ex)
{
flag = false;
}
return flag;
}
private void ExtractData(MediaInfo.MediaInfo MI, NumberFormatInfo providerNumber)
{
this.Format = MI.Get(StreamKind.General, 0, "Format");
this.Profile = MI.Get(StreamKind.General, 0, "Format_Profile");
this.FormatVersion = MI.Get(StreamKind.General, 0, "Format_Version");
this.Codec = MI.Get(StreamKind.General, 0, "CodecID");
int num = 0;
this.Tags = new AudioTagBuilder(MI, 0).Build();
this._logger.LogDebug(string.Format("Found {0} video streams.", (object) MI.CountGet(StreamKind.Video)));
for (int position = 0; position < MI.CountGet(StreamKind.Video); ++position)
this.VideoStreams.Add(new VideoStreamBuilder(MI, num++, position).Build());
if (this.Duration == 0)
{
double result;
double.TryParse(MI.Get(StreamKind.Video, 0, 88), NumberStyles.AllowDecimalPoint, (IFormatProvider) providerNumber, out result);
this.Duration = (int) result;
}
object obj1;
if (this.VideoStreams.Count == 1 && this.Tags.GeneralTags.TryGetValue((NativeMethods.General) 1000, out obj1))
{
object obj2;
this.VideoStreams[0].Stereoscopic = !this.Tags.GeneralTags.TryGetValue((NativeMethods.General) 1001, out obj2) ? ((bool) obj1 ? StereoMode.Stereo : StereoMode.Mono) : (StereoMode) obj2;
}
this._logger.LogDebug(string.Format("Found {0} audio streams.", (object) MI.CountGet(StreamKind.Audio)));
for (int position = 0; position < MI.CountGet(StreamKind.Audio); ++position)
this.AudioStreams.Add(new AudioStreamBuilder(MI, num++, position).Build());
if (this.Duration == 0)
{
double result;
double.TryParse(MI.Get(StreamKind.Audio, 0, 70), NumberStyles.AllowDecimalPoint, (IFormatProvider) providerNumber, out result);
this.Duration = (int) result;
}
this._logger.LogDebug(string.Format("Found {0} subtitle streams.", (object) MI.CountGet(StreamKind.Text)));
for (int position = 0; position < MI.CountGet(StreamKind.Text); ++position)
this.Subtitles.Add(new SubtitleStreamBuilder(MI, num++, position).Build());
this._logger.LogDebug(string.Format("Found {0} chapters.", (object) MI.CountGet(StreamKind.Other)));
for (int position = 0; position < MI.CountGet(StreamKind.Other); ++position)
this.Chapters.Add(new ChapterStreamBuilder(MI, num++, position).Build());
this._logger.LogDebug(string.Format("Found {0} menu items.", (object) MI.CountGet(StreamKind.Menu)));
for (int position = 0; position < MI.CountGet(StreamKind.Menu); ++position)
this.MenuStreams.Add(new MenuStreamBuilder(MI, num++, position).Build());
this.MediaInfoNotloaded = this.VideoStreams.Count == 0 && this.AudioStreams.Count == 0 && this.Subtitles.Count == 0;
if (this.MediaInfoNotloaded)
this.SetPropertiesDefault();
else
this.SetupProperties(MI);
}
private void ExtractInfo(Stream FileStream, string pathToDll, NumberFormatInfo providerNumber)
{
using (MediaInfo.MediaInfo MI = new MediaInfo.MediaInfo(pathToDll))
{
if (MI.Handle == IntPtr.Zero)
{
this.MediaInfoNotloaded = true;
this._logger.LogWarning("MediaInfo library was not loaded!");
}
else
{
this.Version = MI.Option("Info_Version");
this._logger.LogDebug(string.Format("MediaInfo library was loaded. Handle={0} Version is {1}", (object) MI.Handle, (object) this.Version));
if (!FileStream.CanSeek)
{
MI.Option("File_IsSeekable", "0");
MI.OpenBufferInit(FileStream.Length, 0L);
int num1;
IntPtr num2;
do
{
byte[] buffer1 = new byte[65536];
num1 = FileStream.Read(buffer1, 0, buffer1.Length);
GCHandle gcHandle = GCHandle.Alloc((object) buffer1, GCHandleType.Pinned);
IntPtr buffer2 = gcHandle.AddrOfPinnedObject();
num2 = MI.OpenBufferContinue(buffer2, (IntPtr) num1);
gcHandle.Free();
}
while ((int) num2 != 0 && FileStream.CanRead && num1 > 0);
}
else
{
MI.OpenBufferInit(FileStream.Length, 0L);
int num3;
do
{
byte[] buffer3 = new byte[65536];
num3 = FileStream.Read(buffer3, 0, buffer3.Length);
GCHandle gcHandle = GCHandle.Alloc((object) buffer3, GCHandleType.Pinned);
IntPtr buffer4 = gcHandle.AddrOfPinnedObject();
IntPtr num4 = MI.OpenBufferContinue(buffer4, (IntPtr) num3);
gcHandle.Free();
if (((int) num4 & 8) != 8)
{
long get = MI.OpenBufferContinueGoToGet();
if (get != -1L)
{
long fileOffset = FileStream.Seek(get, SeekOrigin.Begin);
MI.OpenBufferInit(FileStream.Length, fileOffset);
}
}
else
break;
}
while (FileStream.CanRead && num3 > 0);
}
MI.OpenBufferFinalize();
this.ExtractData(MI, providerNumber);
}
}
}
}
}
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