internal void SearchFramesByMagicPhase2(OnSearchProgressDelegate progressCallback)
{
m_Index = new AdvFramesIndex();
int percentCompleted;
int lastPercentCompleted = -1;
int framesRecovered = 0;
long startTimeTicks = -1;
m_CandidateFrameOffsets.Add(new RecoveredFrameHeader()
{
Position = m_FileReader.BaseStream.Length
});
ushort[,] prevFramePixels = null;
for (int i = 0; i < m_CandidateFrameOffsets.Count - 1; i++)
{
RecoveredFrameHeader frameInfo1 = m_CandidateFrameOffsets[i];
RecoveredFrameHeader frameInfo2 = m_CandidateFrameOffsets[i + 1];
if (startTimeTicks == -1)
{
startTimeTicks = frameInfo1.StartExposureUT.Ticks;
}
m_Index.Index.Add(new AdvFramesIndexEntry()
{
ElapsedTime = new TimeSpan(frameInfo1.StartExposureUT.Ticks - startTimeTicks),
Offset = frameInfo1.Position,
Length = (uint)(frameInfo2.Position - frameInfo1.Position)
});
try
{
object[] data = GetFrameSectionData(framesRecovered, prevFramePixels);
AdvImageData imageData = (AdvImageData)data[0];
AdvStatusData statusData = (AdvStatusData)data[1];
int frameWidth = imageData.ImageData.GetLength(0);
int frameHeight = imageData.ImageData.GetLength(1);
Trace.WriteLine(string.Format("Recovered frame #{0} with LayoutId {1} and {2} status tags. Dimentions: {3}x{4} pixels", framesRecovered, imageData.LayoutId, statusData.TagValues.Count, frameWidth, frameHeight));
// NOTE: Doesn't have to be right, just need something so we read the pixels
prevFramePixels = imageData.ImageData;
framesRecovered++;
}
catch (Exception)
{
m_Index.Index.RemoveAt(m_Index.Index.Count - 1);
}
percentCompleted = (int)(100.0 * i / (m_CandidateFrameOffsets.Count - 1));
if (lastPercentCompleted < percentCompleted)
{
progressCallback(percentCompleted, framesRecovered);
lastPercentCompleted = percentCompleted;
}
}
}
internal void ExportStatusSectionToCSV(string fileName, int firstFrame, int lastFrame, OnSearchProgressDelegate progressCallback)
{
progressCallback(5, 0);
//string folder = Path.GetDirectoryName(fileName);
bool headerAppended = false;
using (FileStream fsOutput = new FileStream(fileName, FileMode.CreateNew, FileAccess.Write))
using (TextWriter writer = new StreamWriter(fsOutput))
{
for (int i = firstFrame; i <= lastFrame; i++)
{
object[] data = GetFrameSectionData(i, null);
AdvImageData imageData = (AdvImageData)data[0];
AdvStatusData statusData = (AdvStatusData)data[1];
//using(FileStream fs = new FileStream(string.Format("{0}\\{1}.pix", folder, i), FileMode.CreateNew, FileAccess.Write))
//using (BinaryWriter wrt = new BinaryWriter(fs))
//{
// for (int y = 0; y < ImageSection.Height; y++)
// {
// for (int x = 0; x < ImageSection.Width; x++)
// {
// ushort val = imageData.ImageData[x, y];
// wrt.Write(val);
// }
// }
//}
string headerRow;
string nextRow = StatusDataToCsvRow(imageData, statusData, i, out headerRow);
if (!headerAppended)
{
writer.WriteLine(headerRow);
headerAppended = true;
}
writer.WriteLine(nextRow);
int percDone = (int)Math.Min(90, 90 * (i - firstFrame) * 1.0 / (lastFrame - firstFrame + 1));
progressCallback(5 + percDone, 0);
}
progressCallback(95, 0);
writer.Flush();
}
}
private string StatusDataToCsvRow(AdvImageData imageData, AdvStatusData statusData, int frameNo, out string headerRow)
{
var output = new StringBuilder();
output.AppendFormat("\"{0}\"", frameNo);
output.AppendFormat(",\"{0}\"", imageData.MidExposureUtc.AddMilliseconds( - 1 * imageData.ExposureMilliseconds / 2.0).ToString("dd-MMM-yyyy HH:mm:ss.fff"));
output.AppendFormat(",\"{0}\"", imageData.MidExposureUtc.AddMilliseconds(imageData.ExposureMilliseconds / 2.0).ToString("dd-MMM-yyyy HH:mm:ss.fff"));
var header = new StringBuilder();
header.Append("FrameNo,OCRStartTimestamp,OCREndTimestamp");
foreach (AdvTagDefinition statusTag in statusData.TagValues.Keys)
{
string tagValue = statusData.TagValues[statusTag];
if ((statusTag.Name == "SystemTime" || statusTag.Name == "NTPStartTimestamp" || statusTag.Name == "NTPEndTimestamp" || statusTag.Name == "StartTimestampSecondary" || statusTag.Name == "EndTimestampSecondary") &&
!string.IsNullOrEmpty(tagValue))
{
tagValue = AdvFile.ADV_ZERO_DATE_REF.AddMilliseconds(long.Parse(tagValue)).ToString("dd-MMM-yyyy HH:mm:ss.fff");
}
else if (statusTag.Name == "GPSTrackedSatellites" && !string.IsNullOrEmpty(tagValue))
{
tagValue = int.Parse(tagValue).ToString();
}
else if (statusTag.Name == "Gamma" && !string.IsNullOrEmpty(tagValue))
{
tagValue = string.Format("{0:0.000}", float.Parse(tagValue));
}
else if (statusTag.Name == "Gain" && !string.IsNullOrEmpty(tagValue))
{
tagValue = string.Format("{0:0} dB", float.Parse(tagValue));
}
else if (statusTag.Name == "Shutter" && !string.IsNullOrEmpty(tagValue))
{
tagValue = string.Format("{0:0.000} sec", float.Parse(tagValue));
}
else if (statusTag.Name == "Offset" && !string.IsNullOrEmpty(tagValue))
{
tagValue = string.Format("{0:0.00} %", float.Parse(tagValue));
}
else if ((statusTag.Name == "VideoCameraFrameId" || statusTag.Name == "HardwareTimerFrameId") &&
!string.IsNullOrEmpty(tagValue))
{
tagValue = int.Parse(tagValue).ToString("#,###,###,###,###");
}
else if (statusTag.Name == "GPSAlmanacStatus" && !string.IsNullOrEmpty(tagValue))
{
int almanacStatus = int.Parse(tagValue);
tagValue = AdvStatusValuesHelper.TranslateGpsAlmanacStatus(almanacStatus);
}
else if (statusTag.Name == "GPSAlmanacOffset" && !string.IsNullOrEmpty(tagValue))
{
int almanacOffset = int.Parse(tagValue);
if ((almanacOffset & 0x80) == 0x80)
almanacOffset = (short) (almanacOffset + (0xFF << 8));
tagValue = AdvStatusValuesHelper.TranslateGpsAlmanacOffset(1, almanacOffset, false);
}
else if (statusTag.Name == "GPSFixStatus" && !string.IsNullOrEmpty(tagValue))
{
int fixStatus = int.Parse(tagValue);
tagValue = AdvStatusValuesHelper.TranslateGpsFixStatus(fixStatus);
}
if (!string.IsNullOrEmpty(tagValue) && (statusTag.Name == "UserCommand" || statusTag.Name == "SystemError" || statusTag.Name == "GPSFix"))
{
string[] tokens = tagValue.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
tagValue = string.Empty;
for (int i = 0; i < tokens.Length; i++)
{
tagValue += string.Format("{0}[{1}];", statusTag.Name, i + 1);
}
}
if (tagValue == null) tagValue = string.Empty;
output.AppendFormat(",\"{0}\"", tagValue.Replace("\"", "\"\""));
header.AppendFormat(",{0}", statusTag.Name);
}
headerRow = header.ToString();
return output.ToString();
}
internal Pixelmap GetFrameData(int index, out AdvImageData imageData, out AdvStatusData statusData, out Bitmap displayBitmap)
{
imageData = null;
if (index < NumberOfFrames)
{
byte layoutId;
AdvImageLayout.GetByteMode byteMode;
GetFrameImageSectionHeader(index, out layoutId, out byteMode);
AdvImageLayout layout = ImageSection.GetImageLayoutFromLayoutId(layoutId);
if (layout.IsDiffCorrLayout && byteMode == AdvImageLayout.GetByteMode.DiffCorrBytes && prevFrameNo != index - 1)
{
// Move back and find the nearest previous key frame
int keyFrameIdx = index;
do
{
keyFrameIdx--;
GetFrameImageSectionHeader(keyFrameIdx, out layoutId, out byteMode);
}
while (keyFrameIdx > 0 && byteMode != AdvImageLayout.GetByteMode.KeyFrameBytes);
object[] keyFrameData = GetFrameSectionData(keyFrameIdx, null);
prevFramePixels = ((AdvImageData)keyFrameData[0]).ImageData;
if (layout.DiffCorrFrame == DiffCorrFrameMode.PrevFrame)
{
for (int i = keyFrameIdx + 1; i < index; i++)
{
object[] frameData = GetFrameSectionData(i, prevFramePixels);
prevFramePixels = ((AdvImageData)frameData[0]).ImageData;
}
}
}
object[] data;
data = GetFrameSectionData(index, prevFramePixels);
imageData = (AdvImageData)data[0];
statusData = (AdvStatusData)data[1];
if (prevFramePixels == null)
prevFramePixels = new ushort[ImageSection.Width, ImageSection.Height];
if (layout.IsDiffCorrLayout)
{
for (int x = 0; x < ImageSection.Width; x++)
for (int y = 0; y < ImageSection.Height; y++)
{
prevFramePixels[x, y] = imageData.ImageData[x, y];
}
}
prevFrameNo = index;
Pixelmap rv = ImageSection.CreatePixelmap(imageData);
//Pixelmap rv = new Pixelmap((int)m_AdvFile.ImageSection.Width, (int)m_AdvFile.ImageSection.Height, m_AdvFile.ImageSection.BitsPerPixel, null, null, null);
//rv.Width = (int) m_AdvFile.ImageSection.Width;
//rv.Height = (int) m_AdvFile.ImageSection.Height;
//rv.BitPixCamera = m_AdvFile.ImageSection.BitsPerPixel;
//rv.Array = new uint[Width * Height];
//rv.CopyPixelsFrom(imageData.ImageData, imageData.Bpp);
//displayBitmap = PixelmapFactory.ConstructBitmapFrom12BitPixelmap(rv);
displayBitmap = rv.DisplayBitmap;
return rv;
}
else
{
displayBitmap = null;
statusData = null;
return null;
}
}
internal bool FixAavFile18Aug(string fileName, int firstFrame, int lastFrame)
{
fileName = m_FileName;
string newFile = Path.ChangeExtension(fileName, ".new.aav");
File.Copy(fileName, newFile, true);
using (FileStream fsr = new FileStream(fileName, FileMode.Open, FileAccess.Read))
using (BinaryReader reader = new BinaryReader(fsr))
using (FileStream fs = new FileStream(newFile, FileMode.Open, FileAccess.Write))
using (BinaryWriter writer = new BinaryWriter(fs))
{
uint numFrames = m_Index.NumberOfFrames;
long ZEROTICKS = (new DateTime(2013, 8, 18).Ticks - ADV_ZERO_DATE_REF.Ticks) / 10000;
for (int i = 0; i < numFrames; i++)
{
AdvFramesIndexEntry entry = m_Index.Index[i];
uint elapsedMiliseconds = (uint)entry.ElapsedTime.TotalMilliseconds;
long offset = entry.Offset;
uint length = entry.Length;
object[] data = GetFrameSectionData(i, null);
AdvImageData imageData = (AdvImageData)data[0];
AdvStatusData statusData = (AdvStatusData)data[1];
AdvTagDefinition startTS = StatusSection.TagDefinitions[3];
AdvTagDefinition endTS = StatusSection.TagDefinitions[4];
AdvTagDefinition gpsFix = StatusSection.TagDefinitions[7];
string startTSString = statusData.TagValues[startTS];
string endTSString = statusData.TagValues[endTS];
string gpsFixString = statusData.TagValues[gpsFix];
long ticksStart = FixOSD(ref startTSString, true);
long ticksEnd = FixOSD(ref endTSString, false);
long midTicks = ZEROTICKS + (ticksStart - 20 * 10000 + ticksEnd) / 20000;
long exposureMs10 = new TimeSpan(ticksEnd - ticksStart + 20 * 10000).Milliseconds * 10;
fsr.Seek(12 + (4 + entry.Offset), SeekOrigin.Begin);
int bytesToSkip = reader.ReadInt32();
WriteInt16((short)exposureMs10, 8 + (4 + entry.Offset), writer, reader);
WriteInt64(midTicks, (4 + entry.Offset), writer, reader);
WriteString(startTSString, 16 + (4 + entry.Offset) + bytesToSkip + 0x22, writer, reader);
WriteString(endTSString, 16 + (4 + entry.Offset) + bytesToSkip + 0x43, writer, reader);
int gspFixByte = int.Parse(gpsFixString);
if (gspFixByte >= 1)
{
gspFixByte++;
}
WriteInt8((byte)gspFixByte, 16 + (4 + entry.Offset) + bytesToSkip + 0x1f, writer, reader);
//writer.Write(elapsedMiliseconds);
//writer.Write(offset);
//writer.Write(length);
}
fs.Flush();
}
return(false);
}
private string StatusDataToCsvRow(AdvImageData imageData, AdvStatusData statusData, int frameNo, out string headerRow)
{
var output = new StringBuilder();
output.AppendFormat("\"{0}\"", frameNo);
output.AppendFormat(",\"{0}\"", imageData.MidExposureUtc.AddMilliseconds(-1 * imageData.ExposureMilliseconds / 2.0).ToString("dd-MMM-yyyy HH:mm:ss.fff"));
output.AppendFormat(",\"{0}\"", imageData.MidExposureUtc.AddMilliseconds(imageData.ExposureMilliseconds / 2.0).ToString("dd-MMM-yyyy HH:mm:ss.fff"));
var header = new StringBuilder();
header.Append("FrameNo,OCRStartTimestamp,OCREndTimestamp");
foreach (AdvTagDefinition statusTag in statusData.TagValues.Keys)
{
string tagValue = statusData.TagValues[statusTag];
if ((statusTag.Name == "SystemTime" || statusTag.Name == "NTPStartTimestamp" || statusTag.Name == "NTPEndTimestamp" || statusTag.Name == "StartTimestampSecondary" || statusTag.Name == "EndTimestampSecondary") &&
!string.IsNullOrEmpty(tagValue))
{
tagValue = AdvFile.ADV_ZERO_DATE_REF.AddMilliseconds(long.Parse(tagValue)).ToString("dd-MMM-yyyy HH:mm:ss.fff");
}
else if (statusTag.Name == "GPSTrackedSatellites" && !string.IsNullOrEmpty(tagValue))
{
tagValue = int.Parse(tagValue).ToString();
}
else if (statusTag.Name == "Gamma" && !string.IsNullOrEmpty(tagValue))
{
tagValue = string.Format("{0:0.000}", float.Parse(tagValue));
}
else if (statusTag.Name == "Gain" && !string.IsNullOrEmpty(tagValue))
{
tagValue = string.Format("{0:0} dB", float.Parse(tagValue));
}
else if (statusTag.Name == "Shutter" && !string.IsNullOrEmpty(tagValue))
{
tagValue = string.Format("{0:0.000} sec", float.Parse(tagValue));
}
else if (statusTag.Name == "Offset" && !string.IsNullOrEmpty(tagValue))
{
tagValue = string.Format("{0:0.00} %", float.Parse(tagValue));
}
else if ((statusTag.Name == "VideoCameraFrameId" || statusTag.Name == "HardwareTimerFrameId") &&
!string.IsNullOrEmpty(tagValue))
{
tagValue = int.Parse(tagValue).ToString("#,###,###,###,###");
}
else if (statusTag.Name == "GPSAlmanacStatus" && !string.IsNullOrEmpty(tagValue))
{
int almanacStatus = int.Parse(tagValue);
tagValue = AdvStatusValuesHelper.TranslateGpsAlmanacStatus(almanacStatus);
}
else if (statusTag.Name == "GPSAlmanacOffset" && !string.IsNullOrEmpty(tagValue))
{
int almanacOffset = int.Parse(tagValue);
if ((almanacOffset & 0x80) == 0x80)
{
almanacOffset = (short)(almanacOffset + (0xFF << 8));
}
tagValue = AdvStatusValuesHelper.TranslateGpsAlmanacOffset(1, almanacOffset, false);
}
else if (statusTag.Name == "GPSFixStatus" && !string.IsNullOrEmpty(tagValue))
{
int fixStatus = int.Parse(tagValue);
tagValue = AdvStatusValuesHelper.TranslateGpsFixStatus(fixStatus);
}
if (!string.IsNullOrEmpty(tagValue) && (statusTag.Name == "UserCommand" || statusTag.Name == "SystemError" || statusTag.Name == "GPSFix"))
{
string[] tokens = tagValue.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
tagValue = string.Empty;
for (int i = 0; i < tokens.Length; i++)
{
tagValue += string.Format("{0}[{1}];", statusTag.Name, i + 1);
}
}
if (tagValue == null)
{
tagValue = string.Empty;
}
output.AppendFormat(",\"{0}\"", tagValue.Replace("\"", "\"\""));
header.AppendFormat(",{0}", statusTag.Name);
}
headerRow = header.ToString();
return(output.ToString());
}
internal Pixelmap GetFrameData(int index, out AdvImageData imageData, out AdvStatusData statusData, out Bitmap displayBitmap)
{
imageData = null;
if (index < NumberOfFrames)
{
byte layoutId;
AdvImageLayout.GetByteMode byteMode;
GetFrameImageSectionHeader(index, out layoutId, out byteMode);
AdvImageLayout layout = ImageSection.GetImageLayoutFromLayoutId(layoutId);
if (layout.IsDiffCorrLayout && byteMode == AdvImageLayout.GetByteMode.DiffCorrBytes && prevFrameNo != index - 1)
{
// Move back and find the nearest previous key frame
int keyFrameIdx = index;
do
{
keyFrameIdx--;
GetFrameImageSectionHeader(keyFrameIdx, out layoutId, out byteMode);
}while (keyFrameIdx > 0 && byteMode != AdvImageLayout.GetByteMode.KeyFrameBytes);
object[] keyFrameData = GetFrameSectionData(keyFrameIdx, null);
prevFramePixels = ((AdvImageData)keyFrameData[0]).ImageData;
if (layout.DiffCorrFrame == DiffCorrFrameMode.PrevFrame)
{
for (int i = keyFrameIdx + 1; i < index; i++)
{
object[] frameData = GetFrameSectionData(i, prevFramePixels);
prevFramePixels = ((AdvImageData)frameData[0]).ImageData;
}
}
}
object[] data;
data = GetFrameSectionData(index, prevFramePixels);
imageData = (AdvImageData)data[0];
statusData = (AdvStatusData)data[1];
if (prevFramePixels == null)
{
prevFramePixels = new ushort[ImageSection.Width, ImageSection.Height];
}
if (layout.IsDiffCorrLayout)
{
for (int x = 0; x < ImageSection.Width; x++)
{
for (int y = 0; y < ImageSection.Height; y++)
{
prevFramePixels[x, y] = imageData.ImageData[x, y];
}
}
}
prevFrameNo = index;
Pixelmap rv = ImageSection.CreatePixelmap(imageData);
//Pixelmap rv = new Pixelmap((int)m_AdvFile.ImageSection.Width, (int)m_AdvFile.ImageSection.Height, m_AdvFile.ImageSection.BitsPerPixel, null, null, null);
//rv.Width = (int) m_AdvFile.ImageSection.Width;
//rv.Height = (int) m_AdvFile.ImageSection.Height;
//rv.BitPixCamera = m_AdvFile.ImageSection.BitsPerPixel;
//rv.Array = new uint[Width * Height];
//rv.CopyPixelsFrom(imageData.ImageData, imageData.Bpp);
//displayBitmap = PixelmapFactory.ConstructBitmapFrom12BitPixelmap(rv);
displayBitmap = rv.DisplayBitmap;
return(rv);
}
else
{
displayBitmap = null;
statusData = null;
return(null);
}
}
public object GetDataFromDataBytes(byte[] bytes, ushort[,] prevFrame, int size, int startIndex)
{
var rv = new AdvStatusData();
if (size > 0)
{
byte tagValuesCount = bytes[startIndex];
startIndex++;
for (int i = 0; i < tagValuesCount; i++)
{
int tagId = bytes[startIndex];
AdvTagDefinition tagDef = m_TagDefinitions[tagId];
if (tagDef.Type == AdvTagType.UInt8)
{
byte value = bytes[startIndex + 1];
rv.TagValues[tagDef] = value.ToString();
startIndex += 2;
}
else if (tagDef.Type == AdvTagType.UInt16)
{
byte b1 = bytes[startIndex + 1];
byte b2 = bytes[startIndex + 2];
ushort value = (ushort)((b2 << 8) + b1);
rv.TagValues[tagDef] = value.ToString();
startIndex += 3;
}
else if (tagDef.Type == AdvTagType.UInt32)
{
byte b1 = bytes[startIndex + 1];
byte b2 = bytes[startIndex + 2];
byte b3 = bytes[startIndex + 3];
byte b4 = bytes[startIndex + 4];
uint value = (uint)((b4 << 24) + (b3 << 16) + (b2 << 8) + b1);
rv.TagValues[tagDef] = value.ToString();
startIndex += 5;
}
else if (tagDef.Type == AdvTagType.Real)
{
byte b1 = bytes[startIndex + 1];
byte b2 = bytes[startIndex + 2];
byte b3 = bytes[startIndex + 3];
byte b4 = bytes[startIndex + 4];
uint value = (uint)((b4 << 24) + (b3 << 16) + (b2 << 8) + b1);
IntToFloatStruct converter = new IntToFloatStruct();
converter.UInt32Value = value;
float realValue = converter.RealValue;
rv.TagValues[tagDef] = realValue.ToString();
startIndex += 5;
}
else if (tagDef.Type == AdvTagType.ULong64)
{
byte b1 = bytes[startIndex + 1];
byte b2 = bytes[startIndex + 2];
byte b3 = bytes[startIndex + 3];
byte b4 = bytes[startIndex + 4];
byte b5 = bytes[startIndex + 5];
byte b6 = bytes[startIndex + 6];
byte b7 = bytes[startIndex + 7];
byte b8 = bytes[startIndex + 8];
uint valLo = (uint)((b4 << 24) + (b3 << 16) + (b2 << 8) + b1);
uint valHi = (uint)((b8 << 24) + (b7 << 16) + (b6 << 8) + b5);
long value = (((long)valHi) << 32) + (long)valLo;
rv.TagValues[tagDef] = value.ToString();
startIndex += 9;
}
else if (tagDef.Type == AdvTagType.AnsiString254)
{
byte len = bytes[startIndex + 1];
byte[] tagValuebytes = new byte[len];
Array.Copy(bytes, startIndex + 2, tagValuebytes, 0, len);
rv.TagValues[tagDef] = Encoding.ASCII.GetString(tagValuebytes);
startIndex += 2 + len;
}
else if (tagDef.Type == AdvTagType.List16AnsiString254)
{
StringBuilder bld = new StringBuilder();
byte count = bytes[startIndex + 1];
startIndex += 2;
for (int j = 0; j < count; j++)
{
byte len = bytes[startIndex];
byte[] tagValuebytes = new byte[len];
Array.Copy(bytes, startIndex + 1, tagValuebytes, 0, len);
bld.AppendLine(Encoding.ASCII.GetString(tagValuebytes));
startIndex += 1 + len;
}
rv.TagValues[tagDef] = bld.ToString();
}
}
}
return(rv);
}
public object GetDataFromDataBytes(byte[] bytes, ushort[,] prevFrame, int size, int startIndex)
{
var rv = new AdvStatusData();
if (size > 0)
{
byte tagValuesCount = bytes[startIndex];
startIndex++;
for (int i = 0; i < tagValuesCount; i++)
{
int tagId = bytes[startIndex];
AdvTagDefinition tagDef = m_TagDefinitions[tagId];
if (tagDef.Type == AdvTagType.UInt8)
{
byte value = bytes[startIndex + 1];
rv.TagValues[tagDef] = value.ToString();
startIndex += 2;
}
else if (tagDef.Type == AdvTagType.UInt16)
{
byte b1 = bytes[startIndex + 1];
byte b2 = bytes[startIndex + 2];
ushort value = (ushort)((b2 << 8) + b1);
rv.TagValues[tagDef] = value.ToString();
startIndex += 3;
}
else if (tagDef.Type == AdvTagType.UInt32)
{
byte b1 = bytes[startIndex + 1];
byte b2 = bytes[startIndex + 2];
byte b3 = bytes[startIndex + 3];
byte b4 = bytes[startIndex + 4];
uint value = (uint)((b4 << 24) + (b3 << 16) + (b2 << 8) + b1);
rv.TagValues[tagDef] = value.ToString();
startIndex += 5;
}
else if (tagDef.Type == AdvTagType.Real)
{
byte b1 = bytes[startIndex + 1];
byte b2 = bytes[startIndex + 2];
byte b3 = bytes[startIndex + 3];
byte b4 = bytes[startIndex + 4];
uint value = (uint)((b4 << 24) + (b3 << 16) + (b2 << 8) + b1);
IntToFloatStruct converter = new IntToFloatStruct();
converter.UInt32Value = value;
float realValue = converter.RealValue;
rv.TagValues[tagDef] = realValue.ToString();
startIndex += 5;
}
else if (tagDef.Type == AdvTagType.ULong64)
{
byte b1 = bytes[startIndex + 1];
byte b2 = bytes[startIndex + 2];
byte b3 = bytes[startIndex + 3];
byte b4 = bytes[startIndex + 4];
byte b5 = bytes[startIndex + 5];
byte b6 = bytes[startIndex + 6];
byte b7 = bytes[startIndex + 7];
byte b8 = bytes[startIndex + 8];
uint valLo = (uint)((b4 << 24) + (b3 << 16) + (b2 << 8) + b1);
uint valHi = (uint)((b8 << 24) + (b7 << 16) + (b6 << 8) + b5);
long value = (((long)valHi) << 32) + (long)valLo;
rv.TagValues[tagDef] = value.ToString();
startIndex += 9;
}
else if (tagDef.Type == AdvTagType.AnsiString254)
{
byte len = bytes[startIndex + 1];
byte[] tagValuebytes = new byte[len];
Array.Copy(bytes, startIndex + 2, tagValuebytes, 0, len);
rv.TagValues[tagDef] = Encoding.ASCII.GetString(tagValuebytes);
startIndex += 2 + len;
}
else if (tagDef.Type == AdvTagType.List16AnsiString254)
{
StringBuilder bld = new StringBuilder();
byte count = bytes[startIndex + 1];
startIndex += 2;
for (int j = 0; j < count; j++)
{
byte len = bytes[startIndex];
byte[] tagValuebytes = new byte[len];
Array.Copy(bytes, startIndex + 1, tagValuebytes, 0, len);
bld.AppendLine(Encoding.ASCII.GetString(tagValuebytes));
startIndex += 1 + len;
}
rv.TagValues[tagDef] = bld.ToString();
}
}
}
return rv;
}
