public static Media Convert(string filename)
{
int ex = 0;
MediaInfo mi = new MediaInfo();
if (mi == null)
{
return(null);
}
try
{
if (!File.Exists(filename))
{
return(null);
}
}
catch (Exception)
{
return(null);
}
try
{
mi.Open(filename);
ex = 1;
Media m = new Media();
Part p = new Part();
Stream VideoStream = null;
int video_count = mi.GetInt(StreamKind.General, 0, "VideoCount");
int audio_count = mi.GetInt(StreamKind.General, 0, "AudioCount");
int text_count = mi.GetInt(StreamKind.General, 0, "TextCount");
m.Duration = p.Duration = mi.Get(StreamKind.General, 0, "Duration");
m.Container = p.Container = TranslateContainer(mi.Get(StreamKind.General, 0, "Format"));
string codid = mi.Get(StreamKind.General, 0, "CodecID");
if ((!string.IsNullOrEmpty(codid)) && (codid.Trim().ToLower() == "qt"))
{
m.Container = p.Container = "mov";
}
int brate = mi.GetInt(StreamKind.General, 0, "BitRate");
if (brate != 0)
{
m.Bitrate = Math.Round(brate / 1000F).ToString(CultureInfo.InvariantCulture);
}
p.Size = mi.Get(StreamKind.General, 0, "FileSize");
//m.Id = p.Id = mi.Get(StreamKind.General, 0, "UniqueID");
ex = 2;
List <Stream> streams = new List <Stream>();
int iidx = 0;
if (video_count > 0)
{
for (int x = 0; x < video_count; x++)
{
Stream s = TranslateVideoStream(mi, x);
if (x == 0)
{
VideoStream = s;
m.Width = s.Width;
m.Height = s.Height;
if (!string.IsNullOrEmpty(m.Height))
{
if (!string.IsNullOrEmpty(m.Width))
{
m.VideoResolution = GetResolution(int.Parse(m.Width), int.Parse(m.Height));
m.AspectRatio = GetAspectRatio(float.Parse(m.Width), float.Parse(m.Height), s.PA);
}
}
if (!string.IsNullOrEmpty(s.FrameRate))
{
float fr = System.Convert.ToSingle(s.FrameRate);
m.VideoFrameRate = ((int)Math.Round(fr)).ToString(CultureInfo.InvariantCulture);
if (!string.IsNullOrEmpty(s.ScanType))
{
if (s.ScanType.ToLower().Contains("int"))
{
m.VideoFrameRate += "i";
}
else
{
m.VideoFrameRate += "p";
}
}
else
{
m.VideoFrameRate += "p";
}
if ((m.VideoFrameRate == "25p") || (m.VideoFrameRate == "25i"))
{
m.VideoFrameRate = "PAL";
}
else if ((m.VideoFrameRate == "30p") || (m.VideoFrameRate == "30i"))
{
m.VideoFrameRate = "NTSC";
}
}
m.VideoCodec = s.Codec;
if (!string.IsNullOrEmpty(m.Duration) && !string.IsNullOrEmpty(s.Duration))
{
if (int.Parse(s.Duration) > int.Parse(m.Duration))
{
m.Duration = p.Duration = s.Duration;
}
}
if (video_count == 1)
{
s.Default = null;
s.Forced = null;
}
}
if (m.Container != "mkv")
{
s.Index = iidx.ToString(CultureInfo.InvariantCulture);
iidx++;
}
streams.Add(s);
}
}
ex = 3;
int totalsoundrate = 0;
if (audio_count > 0)
{
for (int x = 0; x < audio_count; x++)
{
Stream s = TranslateAudioStream(mi, x);
if ((s.Codec == "adpcm") && (p.Container == "flv"))
{
s.Codec = "adpcm_swf";
}
if (x == 0)
{
m.AudioCodec = s.Codec;
m.AudioChannels = s.Channels;
if (!string.IsNullOrEmpty(m.Duration) && !string.IsNullOrEmpty(s.Duration))
{
if (int.Parse(s.Duration) > int.Parse(m.Duration))
{
m.Duration = p.Duration = s.Duration;
}
}
if (audio_count == 1)
{
s.Default = null;
s.Forced = null;
}
}
if (!string.IsNullOrEmpty(s.Bitrate))
{
totalsoundrate += int.Parse(s.Bitrate);
}
if (m.Container != "mkv")
{
s.Index = iidx.ToString(CultureInfo.InvariantCulture);
iidx++;
}
streams.Add(s);
}
}
if ((VideoStream != null) && (string.IsNullOrEmpty(VideoStream.Bitrate) && (!string.IsNullOrEmpty(m.Bitrate))))
{
VideoStream.Bitrate = (int.Parse(m.Bitrate) - totalsoundrate).ToString(CultureInfo.InvariantCulture);
}
ex = 4;
if (text_count > 0)
{
for (int x = 0; x < audio_count; x++)
{
Stream s = TranslateTextStream(mi, x);
streams.Add(s);
if (text_count == 1)
{
s.Default = null;
s.Forced = null;
}
if (m.Container != "mkv")
{
s.Index = iidx.ToString(CultureInfo.InvariantCulture);
iidx++;
}
}
}
ex = 5;
m.Parts = new List <Part>();
m.Parts.Add(p);
bool over = false;
if (m.Container == "mkv")
{
int val = int.MaxValue;
foreach (Stream s in streams)
{
if (string.IsNullOrEmpty(s.Index))
{
over = true;
break;
}
s.idx = int.Parse(s.Index);
if (s.idx < val)
{
val = s.idx;
}
}
if ((val != 0) && (!over))
{
foreach (Stream s in streams)
{
s.idx = s.idx - val;
s.Index = s.idx.ToString(CultureInfo.InvariantCulture);
}
}
else if (over)
{
int xx = 0;
foreach (Stream s in streams)
{
s.idx = xx++;
s.Index = s.idx.ToString(CultureInfo.InvariantCulture);
}
}
streams = streams.OrderBy(a => a.idx).ToList();
}
ex = 6;
p.Streams = streams;
if ((p.Container == "mp4") || (p.Container == "mov"))
{
p.Has64bitOffsets = "0";
p.OptimizedForStreaming = "0";
m.OptimizedForStreaming = "0";
byte[] buffer = new byte[8];
FileStream fs = File.OpenRead(filename);
fs.Read(buffer, 0, 4);
int siz = buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3];
fs.Seek(siz, SeekOrigin.Begin);
fs.Read(buffer, 0, 8);
if ((buffer[4] == 'f') && (buffer[5] == 'r') && (buffer[6] == 'e') && (buffer[7] == 'e'))
{
siz = buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3] - 8;
fs.Seek(siz, SeekOrigin.Current);
fs.Read(buffer, 0, 8);
}
if ((buffer[4] == 'm') && (buffer[5] == 'o') && (buffer[6] == 'o') && (buffer[7] == 'v'))
{
p.OptimizedForStreaming = "1";
m.OptimizedForStreaming = "1";
siz = (buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3]) - 8;
buffer = new byte[siz];
fs.Read(buffer, 0, siz);
int opos;
int oposmax;
if (FindInBuffer("trak", 0, siz, buffer, out opos, out oposmax))
{
if (FindInBuffer("mdia", opos, oposmax, buffer, out opos, out oposmax))
{
if (FindInBuffer("minf", opos, oposmax, buffer, out opos, out oposmax))
{
if (FindInBuffer("stbl", opos, oposmax, buffer, out opos, out oposmax))
{
if (FindInBuffer("co64", opos, oposmax, buffer, out opos, out oposmax))
{
p.Has64bitOffsets = "1";
}
}
}
}
}
}
}
ex = 7;
return(m);
}
catch (Exception e)
{
throw new Exception(ex + ":" + e.Message, e);
return(null);
}
finally
{
mi.Close();
GC.Collect();
}
}
public static Media Convert(string filename)
{
int ex = 0;
MediaInfo mi = new MediaInfo();
if (mi == null)
return null;
try
{
if (!File.Exists(filename))
return null;
}
catch (Exception)
{
return null;
}
try
{
mi.Open(filename);
ex = 1;
Media m = new Media();
Part p = new Part();
Stream VideoStream = null;
int video_count = mi.GetInt(StreamKind.General, 0, "VideoCount");
int audio_count = mi.GetInt(StreamKind.General, 0, "AudioCount");
int text_count = mi.GetInt(StreamKind.General, 0, "TextCount");
m.Duration = p.Duration = mi.Get(StreamKind.General, 0, "Duration");
m.Container = p.Container = TranslateContainer(mi.Get(StreamKind.General, 0, "Format"));
string codid = mi.Get(StreamKind.General, 0, "CodecID");
if ((!string.IsNullOrEmpty(codid)) && (codid.Trim().ToLower() == "qt"))
m.Container = p.Container= "mov";
int brate = mi.GetInt(StreamKind.General, 0, "BitRate");
if (brate != 0)
m.Bitrate = Math.Round(brate / 1000F).ToString(CultureInfo.InvariantCulture);
p.Size = mi.Get(StreamKind.General, 0, "FileSize");
//m.Id = p.Id = mi.Get(StreamKind.General, 0, "UniqueID");
ex = 2;
List<Stream> streams = new List<Stream>();
int iidx = 0;
if (video_count > 0)
{
for (int x = 0; x < video_count; x++)
{
Stream s = TranslateVideoStream(mi, x);
if (x == 0)
{
VideoStream = s;
m.Width = s.Width;
m.Height = s.Height;
if (!string.IsNullOrEmpty(m.Height))
{
if (!string.IsNullOrEmpty(m.Width))
{
m.VideoResolution = GetResolution(int.Parse(m.Width),int.Parse(m.Height));
m.AspectRatio = GetAspectRatio(float.Parse(m.Width), float.Parse(m.Height), s.PA);
}
}
if (!string.IsNullOrEmpty(s.FrameRate))
{
float fr = System.Convert.ToSingle(s.FrameRate);
m.VideoFrameRate = ((int)Math.Round(fr)).ToString(CultureInfo.InvariantCulture);
if (!string.IsNullOrEmpty(s.ScanType))
{
if (s.ScanType.ToLower().Contains("int"))
m.VideoFrameRate += "i";
else
m.VideoFrameRate += "p";
}
else
m.VideoFrameRate += "p";
if ((m.VideoFrameRate == "25p") || (m.VideoFrameRate == "25i"))
m.VideoFrameRate = "PAL";
else if ((m.VideoFrameRate == "30p") || (m.VideoFrameRate == "30i"))
m.VideoFrameRate = "NTSC";
}
m.VideoCodec = s.Codec;
if (!string.IsNullOrEmpty(m.Duration) && !string.IsNullOrEmpty(s.Duration))
{
if (int.Parse(s.Duration) > int.Parse(m.Duration))
m.Duration = p.Duration = s.Duration;
}
if (video_count == 1)
{
s.Default = null;
s.Forced = null;
}
}
if (m.Container != "mkv")
{
s.Index = iidx.ToString(CultureInfo.InvariantCulture);
iidx++;
}
streams.Add(s);
}
}
ex = 3;
int totalsoundrate = 0;
if (audio_count > 0)
{
for (int x = 0; x < audio_count; x++)
{
Stream s = TranslateAudioStream(mi, x);
if ((s.Codec == "adpcm") && (p.Container == "flv"))
s.Codec = "adpcm_swf";
if (x == 0)
{
m.AudioCodec = s.Codec;
m.AudioChannels = s.Channels;
if (!string.IsNullOrEmpty(m.Duration) && !string.IsNullOrEmpty(s.Duration))
{
if (int.Parse(s.Duration) > int.Parse(m.Duration))
m.Duration = p.Duration = s.Duration;
}
if (audio_count == 1)
{
s.Default = null;
s.Forced = null;
}
}
if (!string.IsNullOrEmpty(s.Bitrate))
{
totalsoundrate += int.Parse(s.Bitrate);
}
if (m.Container != "mkv")
{
s.Index = iidx.ToString(CultureInfo.InvariantCulture);
iidx++;
}
streams.Add(s);
}
}
if ((VideoStream!=null) && (string.IsNullOrEmpty(VideoStream.Bitrate) && (!string.IsNullOrEmpty(m.Bitrate))))
{
VideoStream.Bitrate = (int.Parse(m.Bitrate) - totalsoundrate).ToString(CultureInfo.InvariantCulture);
}
ex = 4;
if (text_count > 0)
{
for (int x = 0; x < audio_count; x++)
{
Stream s = TranslateTextStream(mi, x);
streams.Add(s);
if (text_count == 1)
{
s.Default = null;
s.Forced = null;
}
if (m.Container != "mkv")
{
s.Index = iidx.ToString(CultureInfo.InvariantCulture);
iidx++;
}
}
}
ex = 5;
m.Parts = new List<Part>();
m.Parts.Add(p);
bool over = false;
if (m.Container == "mkv")
{
int val = int.MaxValue;
foreach (Stream s in streams)
{
if (string.IsNullOrEmpty(s.Index))
{
over = true;
break;
}
s.idx = int.Parse(s.Index);
if (s.idx < val)
val = s.idx;
}
if ((val != 0) && (!over))
{
foreach (Stream s in streams)
{
s.idx = s.idx - val;
s.Index = s.idx.ToString(CultureInfo.InvariantCulture);
}
}
else if (over)
{
int xx = 0;
foreach (Stream s in streams)
{
s.idx = xx++;
s.Index = s.idx.ToString(CultureInfo.InvariantCulture);
}
}
streams = streams.OrderBy(a => a.idx).ToList();
}
ex = 6;
p.Streams = streams;
if ((p.Container == "mp4") || (p.Container=="mov"))
{
p.Has64bitOffsets = "0";
p.OptimizedForStreaming = "0";
m.OptimizedForStreaming = "0";
byte[] buffer = new byte[8];
FileStream fs = File.OpenRead(filename);
fs.Read(buffer, 0, 4);
int siz = buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3];
fs.Seek(siz, SeekOrigin.Begin);
fs.Read(buffer, 0, 8);
if ((buffer[4] == 'f') && (buffer[5] == 'r') && (buffer[6] == 'e') && (buffer[7] == 'e'))
{
siz = buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3]-8;
fs.Seek(siz, SeekOrigin.Current);
fs.Read(buffer, 0, 8);
}
if ((buffer[4] == 'm') && (buffer[5] == 'o') && (buffer[6] == 'o') && (buffer[7] == 'v'))
{
p.OptimizedForStreaming = "1";
m.OptimizedForStreaming = "1";
siz = (buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3]) - 8;
buffer = new byte[siz];
fs.Read(buffer, 0, siz);
int opos ;
int oposmax ;
if (FindInBuffer("trak", 0, siz, buffer, out opos, out oposmax))
{
if (FindInBuffer("mdia", opos, oposmax, buffer, out opos, out oposmax))
{
if (FindInBuffer("minf", opos, oposmax, buffer, out opos, out oposmax))
{
if (FindInBuffer("stbl", opos, oposmax, buffer, out opos, out oposmax))
{
if (FindInBuffer("co64", opos, oposmax, buffer, out opos, out oposmax))
{
p.Has64bitOffsets = "1";
}
}
}
}
}
}
}
ex = 7;
return m;
}
catch (Exception e)
{
throw new Exception(ex+":"+e.Message,e);
return null;
}
finally
{
mi.Close();
GC.Collect();
}
}
