static void Main(string[] args)
{
Console.WriteLine("Observer Pattern !");
var videoObserver = new Video();
var homeSubscriber = new HomeSubscriber(videoObserver);
var workSubscriber = new WorkSubscriber(videoObserver);
videoObserver.Add(homeSubscriber);
videoObserver.Add(workSubscriber);
videoObserver.Notify();
}
public Get(string filePath)
{
var file = Path.Combine(Path.GetTempPath(), $"nemu_{new Random().Next(0, 999999999):D9}.xml");
var ec = new Run().Execute($"\"{FFmpeg.Probe}\" -hide_banner -print_format xml -show_format -show_streams \"{filePath}\" > \"{file}\"", Path.GetTempPath());
try
{
var xml = XDocument.Load(file);
var format = from a in xml.Descendants("format")
select new
{
fmtcode = a.Attribute("format_name").Value,
fmtlong = a.Attribute("format_long_name").Value,
size = a.Attribute("size").Value,
bitrate = a.Attribute("bit_rate")?.Value,
duration = a.Attribute("duration")?.Value,
};
var video = from a in xml.Descendants("stream")
where string.Equals("video", (string)a.Attribute("codec_type"), IC)
select new
{
id = (int)a.Attribute("index"),
lang = a.Elements("tag").SingleOrDefault(x => string.Equals(x.Attribute("key").Value, "language", IC))?.Attribute("value")?.Value,
codec = a.Attribute("codec_name").Value,
pixfmt = a.Attribute("pix_fmt")?.Value,
bpc = a.Attribute("bits_per_raw_sample")?.Value,
width = a.Attribute("width").Value,
height = a.Attribute("height").Value,
fps = a.Attribute("r_frame_rate")?.Value,
afps = a.Attribute("avg_frame_rate")?.Value,
framecount = a.Attribute("nb_frames")?.Value,
duration = a.Attribute("duration")?.Value,
};
var audio = from a in xml.Descendants("stream")
where string.Equals("audio", (string)a.Attribute("codec_type"), IC)
select new
{
id = (int)a.Attribute("index"),
lang = a.Elements("tag").SingleOrDefault(x => string.Equals(x.Attribute("key").Value, "language", IC))?.Attribute("value")?.Value,
codec = a.Attribute("codec_name").Value,
sample = a.Attribute("sample_rate").Value,
bitdepth = a.Attribute("sample_fmt").Value,
channel = a.Attribute("channels").Value,
duration = a.Attribute("duration")?.Value,
};
var subtitle = from a in xml.Descendants("stream")
where string.Equals("subtitle", (string)a.Attribute("codec_type"), IC)
select new
{
id = (int)a.Attribute("index"),
lang = a.Elements("tag").SingleOrDefault(x => string.Equals(x.Attribute("key").Value, "language", IC))?.Attribute("value")?.Value,
codec = a.Attribute("codec_name").Value,
};
var attachment = from a in xml.Descendants("stream")
where string.Equals("attachment", (string)a.Attribute("codec_type"), IC)
select new
{
id = (int)a.Attribute("index"),
filename = a.Elements("tag").SingleOrDefault(x => string.Equals(x.Attribute("key").Value, "filename", IC))?.Attribute("value")?.Value,
mimetype = a.Elements("tag").SingleOrDefault(x => string.Equals(x.Attribute("key").Value, "mimetype", IC))?.Attribute("value")?.Value,
};
FilePath = filePath;
foreach (var item in format)
{
ulong filesize = 0;
ulong bitrate = 0;
float time = 0;
ulong.TryParse(item.size, out filesize);
ulong.TryParse(item.bitrate, out bitrate);
float.TryParse(item.duration, out time);
FormatName = item.fmtcode;
FormatNameFull = item.fmtlong;
FileSize = filesize;
BitRate = bitrate;
Duration = time;
break; // single only
}
foreach (var item in video)
{
int bpc = 8;
int pix = 420;
int w = 0;
int h = 0;
int fc = 0;
int.TryParse(item.bpc, out bpc);
int.TryParse(item.width, out w);
int.TryParse(item.height, out h);
int.TryParse(item.framecount, out fc);
float num = 0;
float den = 0;
float.TryParse(item.fps.Split('/')[0], out num);
float.TryParse(item.fps.Split('/')[1], out den);
float fps = num / den;
float.TryParse(item.afps.Split('/')[0], out num);
float.TryParse(item.afps.Split('/')[1], out den);
float afps = num / den;
float du = Duration;
if (!string.IsNullOrEmpty(item.duration))
{
if (float.TryParse(item.duration, out du))
{
du = Duration;
}
}
if (string.IsNullOrEmpty(item.pixfmt))
{
var mpix = Regex.Match(item.pixfmt, @"yuv(\d+)");
if (mpix.Success)
{
int.TryParse(mpix.Groups[1].Value, out pix);
}
else
{
pix = 420;
}
}
if (bpc == 0)
{
var mbpc = Regex.Match(item.pixfmt, @"yuv\d+p(\d+)");
if (mbpc.Success)
{
int.TryParse(mbpc.Groups[1].Value, out bpc);
}
else
{
bpc = 8;
}
}
Video.Add(new StreamVideo
{
Id = item.id,
Language = string.IsNullOrEmpty(item.lang) ? "und" : item.lang,
Codec = item.codec,
Chroma = pix,
BitDepth = bpc,
Width = w,
Height = h,
FrameRateConstant = fps == afps,
FrameRate = fps,
FrameRateAvg = afps,
FrameCount = fc,
Duration = du,
});
}
foreach (var item in audio)
{
int sample = 44100;
int bitdepth = 16;
int channel = 2;
int.TryParse(item.sample, out sample);
int.TryParse(item.bitdepth, out bitdepth);
int.TryParse(item.channel, out channel);
if (bitdepth == 0)
{
bitdepth = 16;
}
if (bitdepth >= 32)
{
bitdepth = 24;
}
float du = 0;
float.TryParse(item.duration, out du);
Audio.Add(new StreamAudio
{
Id = item.id,
Language = string.IsNullOrEmpty(item.lang) ? "und" : item.lang,
Codec = item.codec,
SampleRate = sample,
BitDepth = bitdepth,
Channel = channel,
Duration = du,
});
}
foreach (var item in subtitle)
{
Subtitle.Add(new StreamSubtitle
{
Id = item.id,
Language = string.IsNullOrEmpty(item.lang) ? "und" : item.lang,
Codec = item.codec,
});
}
foreach (var item in attachment)
{
Attachment.Add(new StreamAttachment
{
Id = item.id,
FileName = item.filename,
MimeType = item.mimetype
});
}
// remove xml
File.Delete(file);
// error display
if (ec > 0)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.Write(Run.errorString);
Console.ResetColor();
}
}
catch (Exception)
{
throw;
}
}
public MediaInfo(string path)
{
dynamic json = JsonConvert.DeserializeObject(new ReadFile().Media(path));
// General info
FilePath = (string)json.format.filename;
FileSize = ulong.TryParse((string)json.format.size, out ulong fs) ? fs : 0;
BitRate = ulong.TryParse((string)json.format.bit_rate, out ulong br) ? br : 0;
Duration = float.TryParse((string)json.format.duration, out float d) ? d : 0;
FormatName = (string)json.format.format_name;
FormatNameFull = (string)json.format.format_long_name;
// Capture stream type
foreach (var stream in json.streams)
{
string type = stream.codec_type;
if (string.Equals(type, "video", IgnoreCase))
{
int id = 0;
try { id = int.Parse((string)stream.index); }
catch (Exception ex) { Console.WriteLine(ex.Message); }
string lang = "und";
try { lang = stream.tags.language; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
if (string.IsNullOrEmpty(lang))
{
lang = "und";
}
string codec = "unknown";
try { codec = stream.codec_name; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
int width = 0;
try { width = int.Parse((string)stream.width); }
catch (Exception ex) { Console.WriteLine(ex.Message); }
int height = 0;
try { height = int.Parse((string)stream.height); }
catch (Exception ex) { Console.WriteLine(ex.Message); }
string r = "0/0";
try { r = stream.r_frame_rate; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
float.TryParse(r.Split('/')[0], out float rn);
float.TryParse(r.Split('/')[1], out float rd);
float rfps = rn / rd;
string a = "0/0";
try { a = stream.avg_frame_rate; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
float.TryParse(a.Split('/')[0], out float an);
float.TryParse(a.Split('/')[1], out float ad);
float afps = an / ad;
int pix = 420;
try
{
if (!string.IsNullOrEmpty((string)stream.pix_fmt))
{
var mpix = Regex.Match((string)stream.pix_fmt, @"yuv(\d+)");
if (mpix.Success)
{
int.TryParse(mpix.Groups[1].Value, out pix);
}
else
{
pix = 420;
}
}
}
catch (Exception ex) { Console.WriteLine(ex.Message); }
int bpc = 8;
try
{
if (int.TryParse((string)stream.bits_per_raw_sample, out int x))
{
bpc = x;
}
else
{
var mbpc = Regex.Match((string)stream.pix_fmt, @"yuv\d+p(\d+)");
if (mbpc.Success)
{
int.TryParse(mbpc.Groups[1].Value, out bpc);
}
else
{
bpc = 8;
}
}
}
catch (Exception ex) { Console.WriteLine(ex.Message); }
Video.Add(new StreamVideo
{
Id = id,
Language = lang,
Codec = codec,
Chroma = pix,
BitDepth = bpc,
Width = width,
Height = height,
FrameRateConstant = rfps == afps,
FrameRate = rfps,
FrameRateAvg = afps,
FrameCount = (int)(Duration * afps),
Duration = Duration,
});
}
if (string.Equals(type, "audio", IgnoreCase))
{
int id = 1;
try { id = stream.index; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
string lang = "und";
try { lang = stream.tags.language; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
if (string.IsNullOrEmpty(lang))
{
lang = "und";
}
string codec = "unknown";
try { codec = stream.codec_name; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
int sample = 44100;
try { sample = stream.sample_rate; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
int bitdepth = 16;
try { bitdepth = stream.sample_fmt; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
int channel = 2;
try { channel = stream.channels; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
if (bitdepth == 0)
{
bitdepth = 16;
}
else if (bitdepth >= 32)
{
bitdepth = 24;
}
Audio.Add(new StreamAudio
{
Id = id,
Language = lang,
Codec = codec,
SampleRate = sample,
BitDepth = bitdepth,
Channel = channel,
Duration = Duration,
});
}
if (string.Equals(type, "subtitle", IgnoreCase))
{
int id = 2;
try { id = stream.index; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
string lang = "und";
try { lang = stream.tags.language; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
if (string.IsNullOrEmpty(lang))
{
lang = "und";
}
string codec = "unknown";
try { codec = stream.codec_name; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
Subtitle.Add(new StreamSubtitle
{
Id = id,
Language = lang,
Codec = FormatId.Get(codec),
});
}
if (string.Equals(type, "attachment", IgnoreCase))
{
int id = 3;
try { id = stream.index; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
string fname = "unknown";
try { fname = stream.tags.filename; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
string mtype = "application/octet-stream";
try { mtype = stream.tags.mimetype; }
catch (Exception ex) { Console.WriteLine(ex.Message); }
Attachment.Add(new StreamAttachment
{
Id = id,
FileName = fname,
MimeType = mtype
});
}
}
}
/// <summary>
/// Contains meta-data about a page.
///
/// Protocols supported:
/// The Open Graph protocol: http://ogp.me/
/// </summary>
/// <param name="Doc">HTML Document</param>
public PageMetaData(HtmlDocument Doc)
{
List <ImageInformation> Images = null;
List <AudioInformation> Audio = null;
List <VideoInformation> Video = null;
List <string> LocaleAlternate = null;
ImageInformation LastImage = null;
AudioInformation LastAudio = null;
VideoInformation LastVideo = null;
string Name;
string Value;
if (Doc.Meta != null)
{
foreach (Meta Meta in Doc.Meta)
{
if (!Meta.HasAttributes)
{
continue;
}
Name = Value = null;
foreach (HtmlAttribute Attr in Meta.Attributes)
{
switch (Attr.Name)
{
case "property":
Name = Attr.Value;
break;
case "content":
Value = Attr.Value;
break;
}
}
if (string.IsNullOrEmpty(Name) || string.IsNullOrEmpty(Value))
{
continue;
}
switch (Name)
{
case "og:title":
this.title = Value;
break;
case "twitter:title":
if (string.IsNullOrEmpty(this.title))
{
this.title = Value;
}
break;
case "og:type":
this.type = Value;
break;
case "twitter:card":
if (string.IsNullOrEmpty(this.type))
{
this.type = Value;
}
break;
case "og:url":
this.url = Value;
break;
case "og:image":
case "og:image:url":
case "twitter:image":
if (Images != null)
{
LastImage = null;
foreach (ImageInformation Image in Images)
{
if (Image.Url == Value)
{
LastImage = Image;
break;
}
}
if (LastImage != null)
{
break;
}
}
LastImage = new ImageInformation()
{
Url = Value
};
if (Images == null)
{
Images = new List <ImageInformation>();
}
Images.Add(LastImage);
break;
case "og:image:secure_url":
if (LastImage != null)
{
LastImage.SecureUrl = Value;
}
break;
case "og:image:type":
if (LastImage != null)
{
LastImage.ContentType = Value;
}
break;
case "og:image:width":
if (LastImage != null && int.TryParse(Value, out int i))
{
LastImage.Width = i;
}
break;
case "og:image:height":
if (LastImage != null && int.TryParse(Value, out i))
{
LastImage.Height = i;
}
break;
case "og:image:alt":
case "twitter:image:alt":
if (LastImage != null)
{
LastImage.Description = Value;
}
break;
case "og:audio":
LastAudio = new AudioInformation()
{
Url = Value
};
if (Audio == null)
{
Audio = new List <AudioInformation>();
}
Audio.Add(LastAudio);
break;
case "og:audio:secure_url":
if (LastAudio != null)
{
LastAudio.SecureUrl = Value;
}
break;
case "og:audio:type":
if (LastAudio != null)
{
LastAudio.ContentType = Value;
}
break;
case "og:description":
this.description = Value;
break;
case "twitter:description":
case "description":
if (string.IsNullOrEmpty(this.description))
{
this.description = Value;
}
break;
case "og:determiner":
this.determiner = Value;
break;
case "og:locale":
this.locale = Value;
break;
case "og:locale:alternate":
if (LocaleAlternate == null)
{
LocaleAlternate = new List <string>();
}
LocaleAlternate.Add(Value);
break;
case "og:site_name":
this.siteName = Value;
break;
case "og:video":
LastVideo = new VideoInformation()
{
Url = Value
};
if (Video == null)
{
Video = new List <VideoInformation>();
}
Video.Add(LastVideo);
break;
case "og:video:secure_url":
if (LastVideo != null)
{
LastVideo.SecureUrl = Value;
}
break;
case "og:video:type":
if (LastVideo != null)
{
LastVideo.ContentType = Value;
}
break;
case "og:video:width":
if (LastVideo != null && int.TryParse(Value, out i))
{
LastVideo.Width = i;
}
break;
case "og:video:height":
if (LastVideo != null && int.TryParse(Value, out i))
{
LastVideo.Height = i;
}
break;
}
}
}
if (string.IsNullOrEmpty(this.title) && Doc.Title != null)
{
this.title = Doc.Title.InnerHtml.Trim();
}
this.images = Images?.ToArray();
this.audio = Audio?.ToArray();
this.video = Video?.ToArray();
this.localeAlternate = LocaleAlternate?.ToArray();
}
public GetInfo(string FileMedia)
{
dynamic json = JsonConvert.DeserializeObject(new Run(FileMedia).Output);
// General info
FilePath = json.format.filename;
FileSize = json.format.size;
BitRate = json.format.bit_rate;
Duration = json.format.duration;
FormatName = json.format.format_name;
FormatNameFull = json.format.format_long_name;
// Capture stream type
foreach (var stream in json.streams)
{
string type = stream.codec_type;
if (string.Equals(type, "video", IgnoreCase))
{
string r = stream.r_frame_rate;
float.TryParse(r.Split('/')[0], out float rn);
float.TryParse(r.Split('/')[1], out float rd);
float rfps = rn / rd;
string a = stream.avg_frame_rate;
float.TryParse(a.Split('/')[0], out float an);
float.TryParse(a.Split('/')[1], out float ad);
float afps = an / ad;
int pix = 420;
if (!string.IsNullOrEmpty((string)stream.pix_fmt))
{
var mpix = Regex.Match((string)stream.pix_fmt, @"yuv(\d+)");
if (mpix.Success)
{
int.TryParse(mpix.Groups[1].Value, out pix);
}
else
{
pix = 420;
}
}
int bpc = stream.bits_per_raw_sample;
if (bpc == 0)
{
var mbpc = Regex.Match((string)stream.pix_fmt, @"yuv\d+p(\d+)");
if (mbpc.Success)
{
int.TryParse(mbpc.Groups[1].Value, out bpc);
}
else
{
bpc = 8;
}
}
string lang = stream.tags.language;
if (string.IsNullOrEmpty(lang))
{
lang = "und";
}
Video.Add(new StreamVideo
{
Id = stream.index,
Language = lang,
Codec = stream.codec_name,
Chroma = pix,
BitDepth = stream.bits_per_raw_sample,
Width = stream.width,
Height = stream.height,
FrameRateConstant = rfps == afps,
FrameRate = rfps,
FrameRateAvg = afps,
FrameCount = (int)(Duration * afps),
Duration = Duration,
});
}
if (string.Equals(type, "audio", IgnoreCase))
{
int.TryParse((string)stream.sample_rate, out int sample);
int.TryParse((string)stream.sample_fmt, out int bitdepth);
int.TryParse((string)stream.channels, out int channel);
if (bitdepth == 0)
{
bitdepth = 16;
}
else if (bitdepth >= 32)
{
bitdepth = 24;
}
string lang = stream.tags.language;
if (string.IsNullOrEmpty(lang))
{
lang = "und";
}
Audio.Add(new StreamAudio
{
Id = stream.index,
Language = lang,
Codec = stream.codec_name,
SampleRate = sample,
BitDepth = bitdepth,
Channel = channel,
Duration = Duration,
});
}
if (string.Equals(type, "subtitle", IgnoreCase))
{
string lang = stream.tags.language;
if (string.IsNullOrEmpty(lang))
{
lang = "und";
}
Subtitle.Add(new StreamSubtitle
{
Id = stream.index,
Language = lang,
Codec = stream.codec_name,
});
}
if (string.Equals(type, "attachment", IgnoreCase))
{
Attachment.Add(new StreamAttachment
{
Id = stream.index,
FileName = stream.tags.filename,
MimeType = stream.tags.mimetype
});
}
}
}
