public static Video LoadVideo(string nameFile)
{
byte[] data = System.IO.File.ReadAllBytes(nameFile);
DateTime dateBeg = DateTime.Now, dateEnd = dateBeg;
string ip = string.Empty;
int i = 0;
if (data[i] == 'T' && data[i + 1] == 'A' && data[i + 2] == 'G')
{
i += 3;
dateBeg = VideoHead.GetDateTime(data, i); i += 7;
dateEnd = VideoHead.GetDateTime(data, i); i += 7;
ip = new System.Net.IPAddress(BitConverter.ToUInt32(data, i)).ToString(); i += 4;
}
if (data[i] == 'F' && data[i + 1] == 'R' && data[i + 2] == 'M')
{
i += 3;
int sz = VideoHead.GetShort(data, i); i += 2;
int freq = data[i]; i++; //частота кадров
int szNameVideo = VideoHead.GetShort(data, i); i += 2;
int szNameProcess = VideoHead.GetShort(data, i); i += 2;
Video video = new Video(freq, 2, dateBeg, dateEnd, ip);
video.NameVideo = Encoding.ASCII.GetString(data, i, szNameVideo);
sz = i + szNameVideo + szNameProcess;
int numFrame = 0; //номер кадра
byte[] data2 = null;
byte[] dataTmp = null;
while (sz + 4 < data.Length && sz > 0)
{
int sz2 = BitConverter.ToInt32(data, sz); sz += 4;
if (sz + sz2 > data.Length)
{
break;
}
Server.LZW lzw = new Server.LZW();
if (dataTmp == null || dataTmp.Length < sz2)
{
dataTmp = new byte[sz2];
}
if (data2 == null || data2.Length < 20 * sz2)
{
data2 = new byte[20 * sz2];
}
Array.Copy(data, sz, dataTmp, 0, sz2);
int sz3 = lzw.from_lzw(dataTmp, data2);
i = 0;
while (i < sz3)
{
numFrame++;
int szStruct = VideoHead.GetShort(data2, i);
if (i + szStruct >= sz3 || szStruct < 0)
{
break;
}
int width = VideoHead.GetShort(data2, i + 2);
int height = VideoHead.GetShort(data2, i + 4);
int szData = VideoHead.GetInt(data2, i + 6);
int type = VideoHead.GetShort(data2, i + 10);
int szCaption = VideoHead.GetShort(data2, i + 12);
DateTime timeFrame = dateBeg.AddSeconds(numFrame / freq); //предположительное время кадра
if (szStruct > 14) //было добавлено время на стороне бота
{
timeFrame = VideoHead.GetDateTime(data2, i + 14);
}
if (sz3 >= i + szStruct + szData && width < 6000 && height < 3000)
{
video.AddFrame(width, height, type, data2, i + szStruct, szData, szCaption, timeFrame);
}
i += szStruct + szData + szCaption;
// if (video.frames.Count == 168)
// video.frames.Count.ToString();
}
sz += sz2;
}
video.ArrangeCaptions();
video.CorrectTime();
return(video);
}
return(null);
}
public VideoHead(string nameFile)
{
byte[] data = new byte[512];
System.IO.FileStream fs = new System.IO.FileStream(nameFile, System.IO.FileMode.Open, System.IO.FileAccess.Read);
int rd = fs.Read(data, 0, 3);
if (data[0] == 'T' && data[1] == 'A' && data[2] == 'G')
{
rd = fs.Read(data, 0, 18);
if (rd == 18)
{
timeBeg = GetDateTime(data, 0);
timeEnd = GetDateTime(data, 7);
ip = new System.Net.IPAddress(BitConverter.ToUInt32(data, 14)).ToString();
}
}
else
{
fs.Seek(0, System.IO.SeekOrigin.Begin);
timeBeg = DateTime.Now;
timeEnd = DateTime.Now;
ip = "nothing";
}
rd = fs.Read(data, 0, 10);
if (data[0] == 'F' && data[1] == 'R' && data[2] == 'M' && rd == 10)
{
int sz = GetShort(data, 3);
freq = data[5];
int szNameVideo = GetShort(data, 6);
int szNameProcess = GetShort(data, 8);
sz += szNameVideo + szNameProcess;
rd += fs.Read(data, rd, sz - rd);
name = Encoding.ASCII.GetString(data, 10, szNameVideo);
nameProcess = Encoding.ASCII.GetString(data, 10 + szNameVideo, szNameProcess);
try
{
captions = new List <string>();
bool stop = false;
byte[] data2 = null;
while (fs.Read(data, 0, 4) == 4 && !stop)
{
sz = BitConverter.ToInt32(data, 0);
if (data.Length < sz)
{
data = new byte[sz];
}
if (fs.Read(data, 0, sz) != sz)
{
break;
}
Server.LZW lzw = new Server.LZW();
if (data2 == null || data2.Length < 20 * sz)
{
data2 = new byte[20 * sz];
}
int sz2 = lzw.from_lzw(data, data2);
int i = 0;
while (i < sz2)
{
int szStruct = VideoHead.GetShort(data2, i);
if (szStruct < 0)
{
stop = true;
break;
}
int szData = VideoHead.GetInt(data2, i + 6);
if (szData < 0)
{
stop = true;
break;
}
int szCaption = VideoHead.GetShort(data2, i + 12);
if (szCaption < 0)
{
stop = true;
break;
}
i += szStruct + szData;
if (szCaption > 0 && i <= sz2)
{
string s = GetCaption(data2, i, szCaption);
if (!captions.Contains(s))
{
captions.Add(s);
}
i += szCaption;
}
}
}
/*
* while (fs.Read(data, 0, 2) > 0)
* {
* int szStruct = VideoHead.GetShort(data, 0);
* if (szStruct < 0) break;
* fs.Read(data, 2, szStruct - 2);
* int szData = VideoHead.GetInt(data, 6);
* if (szData < 0) break;
* int szCaption = VideoHead.GetShort(data, 12);
* if (szCaption < 0) break;
* fs.Seek(szData, System.IO.SeekOrigin.Current);
* if (szCaption > 0 && fs.Length > fs.Position)
* {
* int c = fs.Read(data, 0, szCaption);
* if (c == szCaption)
* {
* string s = GetCaption(data, 0, szCaption);
* if (!captions.Contains(s))
* captions.Add(s);
* }
* }
* }
*/
}
catch
{
if (captions.Count == 0)
{
bad = true;
}
}
}
else
{
bad = true;
}
fs.Close();
}
