public void Scan(List<TSPlaylistFile> playlists, bool isFullScan)
{
if (playlists == null || playlists.Count == 0)
{
return;
}
Playlists = playlists;
int dataSize = 16384;
FileStream fileStream = null;
try
{
string fileName;
if (BDInfoSettings.EnableSSIF &&
InterleavedFile != null)
{
fileName = InterleavedFile.FileInfo.FullName;
}
else
{
fileName = FileInfo.FullName;
}
fileStream = new FileStream(
fileName,
FileMode.Open,
FileAccess.Read,
FileShare.Read,
dataSize, false);
Size = 0;
Length = 0;
Streams.Clear();
StreamStates.Clear();
StreamDiagnostics.Clear();
TSPacketParser parser =
new TSPacketParser();
long fileLength = (uint)fileStream.Length;
byte[] buffer = new byte[dataSize];
int bufferLength = 0;
while ((bufferLength =
fileStream.Read(buffer, 0, buffer.Length)) > 0)
{
int offset = 0;
for (int i = 0; i < bufferLength; i++)
{
if (parser.SyncState == false)
{
if (parser.TimeCodeParse > 0)
{
parser.TimeCodeParse--;
switch (parser.TimeCodeParse)
{
case 3:
parser.TimeCode = 0;
parser.TimeCode |=
((uint)buffer[i] & 0x3F) << 24;
break;
case 2:
parser.TimeCode |=
((uint)buffer[i] & 0xFF) << 16;
break;
case 1:
parser.TimeCode |=
((uint)buffer[i] & 0xFF) << 8;
break;
case 0:
parser.TimeCode |=
((uint)buffer[i] & 0xFF);
break;
}
}
else if (buffer[i] == 0x47)
{
parser.SyncState = true;
parser.PacketLength = 187;
parser.TimeCodeParse = 4;
parser.HeaderParse = 3;
}
}
else if (parser.HeaderParse > 0)
{
parser.PacketLength--;
parser.HeaderParse--;
switch (parser.HeaderParse)
{
case 2:
{
parser.TransportErrorIndicator =
(byte)((buffer[i] >> 7) & 0x1);
parser.PayloadUnitStartIndicator =
(byte)((buffer[i] >> 6) & 0x1);
parser.TransportPriority =
(byte)((buffer[i] >> 5) & 0x1);
parser.PID =
(ushort)((buffer[i] & 0x1f) << 8);
}
break;
case 1:
{
parser.PID |= (ushort)buffer[i];
if (Streams.ContainsKey(parser.PID))
{
parser.Stream = Streams[parser.PID];
}
else
{
parser.Stream = null;
}
if (!StreamStates.ContainsKey(parser.PID))
{
StreamStates[parser.PID] = new TSStreamState();
}
parser.StreamState = StreamStates[parser.PID];
parser.StreamState.TotalPackets++;
parser.StreamState.WindowPackets++;
parser.TotalPackets++;
}
break;
case 0:
{
parser.TransportScramblingControl =
(byte)((buffer[i] >> 6) & 0x3);
parser.AdaptionFieldControl =
(byte)((buffer[i] >> 4) & 0x3);
if ((parser.AdaptionFieldControl & 0x2) == 0x2)
{
parser.AdaptionFieldState = true;
}
if (parser.PayloadUnitStartIndicator == 1)
{
if (parser.PID == 0)
{
parser.PATSectionStart = true;
}
else if (parser.PID == parser.PMTPID)
{
parser.PMTSectionStart = true;
}
else if (parser.StreamState != null &&
parser.StreamState.TransferState)
{
parser.StreamState.TransferState = false;
parser.StreamState.TransferCount++;
bool isFinished = ScanStream(
parser.Stream,
parser.StreamState,
parser.StreamState.StreamBuffer);
if (!isFullScan && isFinished)
{
return;
}
}
}
}
break;
}
}
else if (parser.AdaptionFieldState)
{
parser.PacketLength--;
parser.AdaptionFieldParse = buffer[i];
parser.AdaptionFieldLength = buffer[i];
parser.AdaptionFieldState = false;
}
else if (parser.AdaptionFieldParse > 0)
{
parser.PacketLength--;
parser.AdaptionFieldParse--;
if ((parser.AdaptionFieldLength - parser.AdaptionFieldParse) == 1)
{
if ((buffer[i] & 0x10) == 0x10)
{
parser.PCRParse = 6;
parser.PCR = 0;
}
}
else if (parser.PCRParse > 0)
{
parser.PCRParse--;
parser.PCR = (parser.PCR << 8) + (ulong)buffer[i];
if (parser.PCRParse == 0)
{
parser.PreviousPCR = parser.PCR;
parser.PCR = (parser.PCR & 0x1FF) +
((parser.PCR >> 15) * 300);
}
parser.PCRCount++;
}
if (parser.PacketLength == 0)
{
parser.SyncState = false;
}
}
else if (parser.PID == 0)
{
if (parser.PATTransferState)
{
if ((bufferLength - i) > parser.PATSectionLength)
{
offset = parser.PATSectionLength;
}
else
{
offset = (bufferLength - i);
}
if (parser.PacketLength <= offset)
{
offset = parser.PacketLength;
}
for (int k = 0; k < offset; k++)
{
parser.PAT[parser.PATOffset++] = buffer[i++];
parser.PATSectionLength--;
parser.PacketLength--;
} --i;
if (parser.PATSectionLength == 0)
{
parser.PATTransferState = false;
if (parser.PATSectionNumber == parser.PATLastSectionNumber)
{
for (int k = 0; k < (parser.PATOffset - 4); k += 4)
{
uint programNumber = (uint)
((parser.PAT[k] << 8) +
parser.PAT[k + 1]);
ushort programPID = (ushort)
(((parser.PAT[k + 2] & 0x1F) << 8) +
parser.PAT[k + 3]);
if (programNumber == 1)
{
parser.PMTPID = programPID;
}
}
}
}
}
else
{
--parser.PacketLength;
if (parser.PATSectionStart)
{
parser.PATPointerField = buffer[i];
if (parser.PATPointerField == 0)
{
parser.PATSectionLengthParse = 3;
}
parser.PATSectionStart = false;
}
else if (parser.PATPointerField > 0)
{
--parser.PATPointerField;
if (parser.PATPointerField == 0)
{
parser.PATSectionLengthParse = 3;
}
}
else if (parser.PATSectionLengthParse > 0)
{
--parser.PATSectionLengthParse;
switch (parser.PATSectionLengthParse)
{
case 2:
break;
case 1:
parser.PATSectionLength = (ushort)
((buffer[i] & 0xF) << 8);
break;
case 0:
parser.PATSectionLength |= buffer[i];
if (parser.PATSectionLength > 1021)
{
parser.PATSectionLength = 0;
}
else
{
parser.PATSectionParse = 5;
}
break;
}
}
else if (parser.PATSectionParse > 0)
{
--parser.PATSectionLength;
--parser.PATSectionParse;
switch (parser.PATSectionParse)
{
case 4:
parser.TransportStreamId = (ushort)
(buffer[i] << 8);
break;
case 3:
parser.TransportStreamId |= buffer[i];
break;
case 2:
break;
case 1:
parser.PATSectionNumber = buffer[i];
if (parser.PATSectionNumber == 0)
{
parser.PATOffset = 0;
}
break;
case 0:
parser.PATLastSectionNumber = buffer[i];
parser.PATTransferState = true;
break;
}
}
}
if (parser.PacketLength == 0)
{
parser.SyncState = false;
}
}
else if (parser.PID == parser.PMTPID)
{
if (parser.PMTTransferState)
{
if ((bufferLength - i) >= parser.PMTSectionLength)
{
offset = parser.PMTSectionLength;
}
else
{
offset = (bufferLength - i);
}
if (parser.PacketLength <= offset)
{
offset = parser.PacketLength;
}
if (!parser.PMT.ContainsKey(parser.PID))
{
parser.PMT[parser.PID] = new byte[1024];
}
byte[] PMT = parser.PMT[parser.PID];
for (int k = 0; k < offset; k++)
{
PMT[parser.PMTOffset++] = buffer[i++];
--parser.PMTSectionLength;
--parser.PacketLength;
} --i;
if (parser.PMTSectionLength == 0)
{
parser.PMTTransferState = false;
if (parser.PMTSectionNumber == parser.PMTLastSectionNumber)
{
//Console.WriteLine("PMT Start: " + parser.PMTTemp);
try
{
for (int k = 0; k < (parser.PMTOffset - 4); k += 5)
{
byte streamType = PMT[k];
ushort streamPID = (ushort)
(((PMT[k + 1] & 0x1F) << 8) +
PMT[k + 2]);
ushort streamInfoLength = (ushort)
(((PMT[k + 3] & 0xF) << 8) +
PMT[k + 4]);
/*
if (streamInfoLength == 2)
{
// TODO: Cleanup
//streamInfoLength = 0;
}
Console.WriteLine(string.Format(
"Type: {0} PID: {1} Length: {2}",
streamType, streamPID, streamInfoLength));
*/
if (!Streams.ContainsKey(streamPID))
{
List<TSDescriptor> streamDescriptors =
new List<TSDescriptor>();
/*
* TODO: Getting bad streamInfoLength
if (streamInfoLength > 0)
{
for (int d = 0; d < streamInfoLength; d++)
{
byte name = PMT[k + d + 5];
byte length = PMT[k + d + 6];
TSDescriptor descriptor =
new TSDescriptor(name, length);
for (int v = 0; v < length; v++)
{
descriptor.Value[v] =
PMT[k + d + v + 7];
}
streamDescriptors.Add(descriptor);
d += (length + 1);
}
}
*/
CreateStream(streamPID, streamType, streamDescriptors);
}
k += streamInfoLength;
}
}
catch (Exception ex)
{
// TODO
Console.WriteLine(ex.Message);
}
}
}
}
else
{
--parser.PacketLength;
if (parser.PMTSectionStart)
{
parser.PMTPointerField = buffer[i];
if (parser.PMTPointerField == 0)
{
parser.PMTSectionLengthParse = 3;
}
parser.PMTSectionStart = false;
}
else if (parser.PMTPointerField > 0)
{
--parser.PMTPointerField;
if (parser.PMTPointerField == 0)
{
parser.PMTSectionLengthParse = 3;
}
}
else if (parser.PMTSectionLengthParse > 0)
{
--parser.PMTSectionLengthParse;
switch (parser.PMTSectionLengthParse)
{
case 2:
if (buffer[i] != 0x2)
{
parser.PMTSectionLengthParse = 0;
}
break;
case 1:
parser.PMTSectionLength = (ushort)
((buffer[i] & 0xF) << 8);
break;
case 0:
parser.PMTSectionLength |= buffer[i];
if (parser.PMTSectionLength > 1021)
{
parser.PMTSectionLength = 0;
}
else
{
parser.PMTSectionParse = 9;
}
break;
}
}
else if (parser.PMTSectionParse > 0)
{
--parser.PMTSectionLength;
--parser.PMTSectionParse;
switch (parser.PMTSectionParse)
{
case 8:
case 7:
break;
case 6:
parser.PMTTemp = buffer[i];
break;
case 5:
parser.PMTSectionNumber = buffer[i];
if (parser.PMTSectionNumber == 0)
{
parser.PMTOffset = 0;
}
break;
case 4:
parser.PMTLastSectionNumber = buffer[i];
break;
case 3:
parser.PCRPID = (ushort)
((buffer[i] & 0x1F) << 8);
break;
case 2:
parser.PCRPID |= buffer[i];
break;
case 1:
parser.PMTProgramInfoLength = (ushort)
((buffer[i] & 0xF) << 8);
break;
case 0:
parser.PMTProgramInfoLength |= buffer[i];
if (parser.PMTProgramInfoLength == 0)
{
parser.PMTTransferState = true;
}
else
{
parser.PMTProgramDescriptorLengthParse = 2;
}
break;
}
}
else if (parser.PMTProgramInfoLength > 0)
{
--parser.PMTSectionLength;
--parser.PMTProgramInfoLength;
if (parser.PMTProgramDescriptorLengthParse > 0)
{
--parser.PMTProgramDescriptorLengthParse;
switch (parser.PMTProgramDescriptorLengthParse)
{
case 1:
parser.PMTProgramDescriptor = buffer[i];
break;
case 0:
parser.PMTProgramDescriptorLength = buffer[i];
parser.PMTProgramDescriptors.Add(
new TSDescriptor(
parser.PMTProgramDescriptor,
parser.PMTProgramDescriptorLength));
break;
}
}
else if (parser.PMTProgramDescriptorLength > 0)
{
--parser.PMTProgramDescriptorLength;
TSDescriptor descriptor = parser.PMTProgramDescriptors[
parser.PMTProgramDescriptors.Count - 1];
int valueIndex =
descriptor.Value.Length -
parser.PMTProgramDescriptorLength - 1;
descriptor.Value[valueIndex] = buffer[i];
if (parser.PMTProgramDescriptorLength == 0 &&
parser.PMTProgramInfoLength > 0)
{
parser.PMTProgramDescriptorLengthParse = 2;
}
}
if (parser.PMTProgramInfoLength == 0)
{
parser.PMTTransferState = true;
}
}
}
if (parser.PacketLength == 0)
{
parser.SyncState = false;
}
}
else if (parser.Stream != null &&
parser.StreamState != null &&
parser.TransportScramblingControl == 0)
{
TSStream stream = parser.Stream;
TSStreamState streamState = parser.StreamState;
streamState.Parse =
(streamState.Parse << 8) + buffer[i];
if (streamState.TransferState)
{
if ((bufferLength - i) >= streamState.PacketLength &&
streamState.PacketLength > 0)
{
offset = streamState.PacketLength;
}
else
{
offset = (bufferLength - i);
}
if (parser.PacketLength <= offset)
{
offset = parser.PacketLength;
}
streamState.TransferLength = offset;
if (!stream.IsInitialized ||
stream.IsVideoStream)
{
streamState.StreamBuffer.Add(
buffer, i, offset);
}
else
{
streamState.StreamBuffer.TransferLength += offset;
}
i += (int)(streamState.TransferLength - 1);
streamState.PacketLength -= streamState.TransferLength;
parser.PacketLength -= (byte)streamState.TransferLength;
streamState.TotalBytes += (ulong)streamState.TransferLength;
streamState.WindowBytes += (ulong)streamState.TransferLength;
if (streamState.PacketLength == 0)
{
streamState.TransferState = false;
streamState.TransferCount++;
bool isFinished = ScanStream(
stream,
streamState,
streamState.StreamBuffer);
if (!isFullScan && isFinished)
{
return;
}
}
}
else
{
--parser.PacketLength;
bool headerFound = false;
if (stream.IsVideoStream &&
streamState.Parse == 0x000001FD)
{
headerFound = true;
}
if (stream.IsVideoStream &&
streamState.Parse >= 0x000001E0 &&
streamState.Parse <= 0x000001EF)
{
headerFound = true;
}
if (stream.IsAudioStream &&
streamState.Parse == 0x000001BD)
{
headerFound = true;
}
if (stream.IsAudioStream &&
(streamState.Parse == 0x000001FA ||
streamState.Parse == 0x000001FD))
{
headerFound = true;
}
if (!stream.IsVideoStream &&
!stream.IsAudioStream &&
(streamState.Parse == 0x000001FA ||
streamState.Parse == 0x000001FD ||
streamState.Parse == 0x000001BD ||
(streamState.Parse >= 0x000001E0 &&
streamState.Parse <= 0x000001EF)))
{
headerFound = true;
}
if (headerFound)
{
streamState.PacketLengthParse = 2;
#if DEBUG
streamState.PESHeaderIndex = 0;
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)((streamState.Parse >> 24) & 0xFF);
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)((streamState.Parse >> 16) & 0xFF);
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)((streamState.Parse >> 8) & 0xFF);
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
}
else if (streamState.PacketLengthParse > 0)
{
--streamState.PacketLengthParse;
switch (streamState.PacketLengthParse)
{
case 1:
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 0:
streamState.PacketLength =
(int)(streamState.Parse & 0xFFFF);
streamState.PacketParse = 3;
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
}
}
else if (streamState.PacketParse > 0)
{
--streamState.PacketLength;
--streamState.PacketParse;
switch (streamState.PacketParse)
{
case 2:
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 1:
streamState.PESHeaderFlags =
(byte)(streamState.Parse & 0xFF);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 0:
streamState.PESHeaderLength =
(byte)(streamState.Parse & 0xFF);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
if ((streamState.PESHeaderFlags & 0xC0) == 0x80)
{
streamState.PTSParse = 5;
}
else if ((streamState.PESHeaderFlags & 0xC0) == 0xC0)
{
streamState.DTSParse = 10;
}
if (streamState.PESHeaderLength == 0)
{
streamState.TransferState = true;
}
break;
}
}
else if (streamState.PTSParse > 0)
{
--streamState.PacketLength;
--streamState.PESHeaderLength;
--streamState.PTSParse;
switch (streamState.PTSParse)
{
case 4:
streamState.PTSTemp =
((streamState.Parse & 0xE) << 29);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xff);
#endif
break;
case 3:
streamState.PTSTemp |=
((streamState.Parse & 0xFF) << 22);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 2:
streamState.PTSTemp |=
((streamState.Parse & 0xFE) << 14);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 1:
streamState.PTSTemp |=
((streamState.Parse & 0xFF) << 7);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 0:
streamState.PTSTemp |=
((streamState.Parse & 0xFE) >> 1);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xff);
#endif
streamState.PTS = streamState.PTSTemp;
if (streamState.PTS > streamState.PTSLast)
{
if (streamState.PTSLast > 0)
{
streamState.PTSTransfer = (streamState.PTS - streamState.PTSLast);
}
streamState.PTSLast = streamState.PTS;
}
streamState.PTSDiff = streamState.PTS - streamState.DTSPrev;
if (streamState.PTSCount > 0 &&
stream.IsVideoStream)
{
UpdateStreamBitrates(stream.PID, streamState.PTS, streamState.PTSDiff);
if (streamState.DTSTemp < parser.PTSFirst)
{
parser.PTSFirst = streamState.DTSTemp;
}
if (streamState.DTSTemp > parser.PTSLast)
{
parser.PTSLast = streamState.DTSTemp;
}
Length = (double)(parser.PTSLast - parser.PTSFirst) / 90000;
}
streamState.DTSPrev = streamState.PTS;
streamState.PTSCount++;
if (streamState.PESHeaderLength == 0)
{
streamState.TransferState = true;
}
break;
}
}
else if (streamState.DTSParse > 0)
{
--streamState.PacketLength;
--streamState.PESHeaderLength;
--streamState.DTSParse;
switch (streamState.DTSParse)
{
case 9:
streamState.PTSTemp =
((streamState.Parse & 0xE) << 29);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 8:
streamState.PTSTemp |=
((streamState.Parse & 0xFF) << 22);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 7:
streamState.PTSTemp |=
((streamState.Parse & 0xFE) << 14);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xff);
#endif
break;
case 6:
streamState.PTSTemp |=
((streamState.Parse & 0xFF) << 7);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 5:
streamState.PTSTemp |=
((streamState.Parse & 0xFE) >> 1);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xff);
#endif
streamState.PTS = streamState.PTSTemp;
if (streamState.PTS > streamState.PTSLast)
{
streamState.PTSLast = streamState.PTS;
}
break;
case 4:
streamState.DTSTemp =
((streamState.Parse & 0xE) << 29);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xff);
#endif
break;
case 3:
streamState.DTSTemp |=
((streamState.Parse & 0xFF) << 22);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xff);
#endif
break;
case 2:
streamState.DTSTemp |=
((streamState.Parse & 0xFE) << 14);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xff);
#endif
break;
case 1:
streamState.DTSTemp |=
((streamState.Parse & 0xFF) << 7);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
break;
case 0:
streamState.DTSTemp |=
((streamState.Parse & 0xFE) >> 1);
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xff);
#endif
streamState.PTSDiff = streamState.DTSTemp - streamState.DTSPrev;
if (streamState.PTSCount > 0 &&
stream.IsVideoStream)
{
UpdateStreamBitrates(stream.PID, streamState.DTSTemp, streamState.PTSDiff);
if (streamState.DTSTemp < parser.PTSFirst)
{
parser.PTSFirst = streamState.DTSTemp;
}
if (streamState.DTSTemp > parser.PTSLast)
{
parser.PTSLast = streamState.DTSTemp;
}
Length = (double)(parser.PTSLast - parser.PTSFirst) / 90000;
}
streamState.DTSPrev = streamState.DTSTemp;
streamState.PTSCount++;
if (streamState.PESHeaderLength == 0)
{
streamState.TransferState = true;
}
break;
}
}
else if (streamState.PESHeaderLength > 0)
{
--streamState.PacketLength;
--streamState.PESHeaderLength;
#if DEBUG
streamState.PESHeader[streamState.PESHeaderIndex++] =
(byte)(streamState.Parse & 0xFF);
#endif
if (streamState.PESHeaderLength == 0)
{
streamState.TransferState = true;
}
}
}
if (parser.PacketLength == 0)
{
parser.SyncState = false;
}
}
else
{
parser.PacketLength--;
if ((bufferLength - i) >= parser.PacketLength)
{
i = i + parser.PacketLength;
parser.PacketLength = 0;
}
else
{
parser.PacketLength -= (byte)((bufferLength - i) + 1);
i = bufferLength;
}
if (parser.PacketLength == 0)
{
parser.SyncState = false;
}
}
}
Size += bufferLength;
}
ulong PTSLast = 0;
ulong PTSDiff = 0;
foreach (TSStream stream in Streams.Values)
{
if (!stream.IsVideoStream) continue;
if (StreamStates.ContainsKey(stream.PID) &&
StreamStates[stream.PID].PTSLast > PTSLast)
{
PTSLast = StreamStates[stream.PID].PTSLast;
PTSDiff = PTSLast - StreamStates[stream.PID].DTSPrev;
}
UpdateStreamBitrates(stream.PID, PTSLast, PTSDiff);
}
}
finally
{
if (fileStream != null)
{
fileStream.Close();
}
}
}
