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 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 SearchFramesByMagicPhase1(OnSearchProgressDelegate progressCallback)
{
long bytesToSearch = m_InputFile.Length - 5 - m_RecoveryOffset;
m_CandidateFrameOffsets.Clear();
int percentCompleted;
int lastPercentCompleted = -1;
int MIN_FRAME_SIZE = 12 + 4;
for (long i = 0; i < bytesToSearch; i++)
{
m_InputFile.Seek(m_RecoveryOffset + i, SeekOrigin.Begin);
uint frameDataMagic = m_FileReader.ReadUInt32();
if(frameDataMagic == 0xEE0122FF)
{
try
{
byte[] data = m_FileReader.ReadBytes(MIN_FRAME_SIZE);
// Read the timestamp and exposure
long frameTimeMsSince2010 =
(long)data[0] + (((long)data[1]) << 8) + (((long)data[2]) << 16) + (((long)data[3]) << 24) +
(((long)data[4]) << 32) + (((long)data[5]) << 40) + (((long)data[6]) << 48) + (((long)data[7]) << 56);
int exposure = data[8] + (data[9] << 8) + (data[10] << 16) + (data[11] << 24);
DateTime startExposure = ADV_ZERO_DATE_REF.AddMilliseconds(frameTimeMsSince2010);
double exposureMS = exposure / 10.0;
if (startExposure.Year < 2010 || startExposure.Year > 2100)
continue;
if (exposureMS < 0 || exposureMS > 60 * 1000)
continue;
m_CandidateFrameOffsets.Add(new RecoveredFrameHeader()
{
Position = m_RecoveryOffset + i,
StartExposureUT = startExposure,
ExposureMilliseconds = exposureMS
});
int sectionDataLength = data[12] + (data[13] << 8) + (data[14] << 16) + (data[15] << 24);
m_InputFile.Seek(m_RecoveryOffset + i + 4 + 12 + sectionDataLength + 4, SeekOrigin.Begin);
byte tagValuesCount = m_FileReader.ReadByte();
for (int j = 0; j < tagValuesCount; j++)
{
m_FileReader.ReadByte();
byte len = m_FileReader.ReadByte();
m_FileReader.ReadBytes(len);
}
// NOTE: The next frame should begin somewhere in the next 32 bytes
long nextFrameSearchStartPos = m_FileReader.BaseStream.Position;
for (int j = 0; j < 32; j++)
{
m_InputFile.Seek(nextFrameSearchStartPos + j, SeekOrigin.Begin);
uint frameDataMagic2 = m_FileReader.ReadUInt32();
if (frameDataMagic2 == 0xEE0122FF)
{
// We found it!
i = nextFrameSearchStartPos + j - m_RecoveryOffset - 1;
break;
}
}
}
catch { }
}
percentCompleted = (int)(100.0 * i / bytesToSearch);
if (lastPercentCompleted < percentCompleted)
{
progressCallback(percentCompleted, m_CandidateFrameOffsets.Count);
lastPercentCompleted = percentCompleted;
}
}
}
internal bool SaveAsAviFile(string fileName, int firstFrame, int lastFrame, AdvToAviConverter converter, bool tryCodec, double msPerFrame, double addedGamma, OnSearchProgressDelegate progressCallback)
{
IAviSaver saver = AdvToAviConverterFactory.CreateConverter(converter);
saver.CloseAviFile();
if (!saver.StartNewAviFile(fileName, (int) ImageSection.Width, (int) ImageSection.Height, 8, 25, tryCodec))
{
progressCallback(100, 0);
return false;
}
try
{
int aviFrameNo = 0;
AdvFramesIndexEntry firstFrameIdx = m_Index.Index[firstFrame];
double startingTimeMilliseconds = firstFrameIdx.ElapsedTime.TotalMilliseconds;
bool isAavFile = AdvFileTags["FSTF-TYPE"] == "AAV";
double effFrameDuration = double.NaN;
try
{
effFrameDuration = 1000 / double.Parse(AdvFileTags["EFFECTIVE-FRAME-RATE"]);
}
catch
{ }
if (isAavFile && m_Index.Index[lastFrame].ElapsedTime.Ticks == 0 && (double.IsNaN(effFrameDuration) || double.IsInfinity(effFrameDuration)))
{
MessageBox.Show(
"This AAV video format is too old or the AAV file is corrupted. It cannot be converted to AVI",
"Tangra 3",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return false;
}
if ((isAavFile && !double.IsNaN(effFrameDuration)) ||
!isAavFile && m_Index.Index[lastFrame].ElapsedTime.Ticks != 0)
{
// Sampling can be done as we have sufficient timing information
}
else
{
MessageBox.Show(
"There is insufficient timing information in this file to convert it to AVI. This could be caused by an old file format.",
"Tangra 3",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return false;
}
progressCallback(5, 0);
for (int i = firstFrame; i <= lastFrame; i++)
{
AdvFramesIndexEntry frame = m_Index.Index[i];
AdvImageData currentImageData;
AdvStatusData currentStatusData;
Bitmap currentBitmap;
using (Pixelmap pixmap = GetFrameData(i, out currentImageData, out currentStatusData, out currentBitmap))
{
int lastRepeatedAviFrameNo = 0;
if (isAavFile && !double.IsNaN(effFrameDuration))
{
lastRepeatedAviFrameNo = (int)Math.Round(((i - firstFrame) * effFrameDuration) / msPerFrame);
}
else if (!isAavFile && frame.ElapsedTime.Ticks != 0)
lastRepeatedAviFrameNo = (int)Math.Round((frame.ElapsedTime.TotalMilliseconds - startingTimeMilliseconds) / msPerFrame);
while (aviFrameNo < lastRepeatedAviFrameNo)
{
if (!saver.AddAviVideoFrame(pixmap, addedGamma, ImageSection.Adv16NormalisationValue))
{
progressCallback(100, 0);
return false;
}
aviFrameNo++;
}
if (currentBitmap != null)
currentBitmap.Dispose();
}
int percDone = (int)Math.Min(90, 90 * (i - firstFrame) * 1.0 / (lastFrame - firstFrame + 1));
progressCallback(5 + percDone, 0);
}
}
finally
{
saver.CloseAviFile();
progressCallback(100, 0);
}
return false;
}
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();
}
}
internal bool CropAdvFile(string fileName, int firstFrame, int lastFrame, OnSearchProgressDelegate progressCallback)
{
using (var fsr = new FileStream(m_FileName, FileMode.Open, FileAccess.Read))
using (var reader = new BinaryReader(fsr))
using (var fs = new FileStream(fileName, FileMode.Create, FileAccess.Write))
using (var writer = new BinaryWriter(fs))
{
AdvFramesIndexEntry firstEntry = m_Index.Index[0];
CopyRawBytes(reader, 0, firstEntry.Offset, writer);
progressCallback(5, 0);
AdvFramesIndexEntry firstEntryToCopy = m_Index.Index[firstFrame];
long zeroTicks = firstEntryToCopy.ElapsedTime.Ticks;
var newIndex = new List<AdvFramesIndexEntry>();
for (int i = firstFrame; i <= lastFrame; i++)
{
AdvFramesIndexEntry frameToCopy = m_Index.Index[i];
var copiedFrame = new AdvFramesIndexEntry()
{
Offset = writer.BaseStream.Position,
Length = frameToCopy.Length
};
long nextFrameStartPos = i == m_Index.NumberOfFrames - 1 ? m_Index.TableOffset : m_Index.Index[i + 1].Offset;
CopyRawBytes(reader, frameToCopy.Offset, nextFrameStartPos - frameToCopy.Offset, writer);
copiedFrame.ElapsedTime = new TimeSpan(frameToCopy.ElapsedTime.Ticks - zeroTicks);
newIndex.Add(copiedFrame);
int percDone = (int)Math.Min(90, 90 * (i - firstFrame) * 1.0 / (lastFrame - firstFrame + 1));
progressCallback(5 + percDone, 0);
}
long indexTableOffset = writer.BaseStream.Position;
progressCallback(95, 0);
writer.Write((uint)newIndex.Count);
// Save the new INDEX
foreach (AdvFramesIndexEntry newIndexEntry in newIndex)
{
writer.Write((uint)Math.Round(newIndexEntry.ElapsedTime.TotalMilliseconds));
writer.Write((long)newIndexEntry.Offset);
writer.Write((uint)newIndexEntry.Length);
}
long userMetadataTablePosition = writer.BaseStream.Position;
if (fsr.Length > m_UserMetadataTableOffset)
{
CopyRawBytes(reader, m_UserMetadataTableOffset, fsr.Length - m_UserMetadataTableOffset, writer);
}
writer.BaseStream.Seek(5, SeekOrigin.Begin);
writer.Write((uint)newIndex.Count);
writer.Write(indexTableOffset);
writer.BaseStream.Seek(8, SeekOrigin.Current);
writer.Write(userMetadataTablePosition);
writer.BaseStream.Flush();
progressCallback(100, 0);
}
return false;
}
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();
}
}
internal bool CropAdvFile(string fileName, int firstFrame, int lastFrame, OnSearchProgressDelegate progressCallback)
{
using (var fsr = new FileStream(m_FileName, FileMode.Open, FileAccess.Read))
using (var reader = new BinaryReader(fsr))
using (var fs = new FileStream(fileName, FileMode.Create, FileAccess.Write))
using (var writer = new BinaryWriter(fs))
{
AdvFramesIndexEntry firstEntry = m_Index.Index[0];
CopyRawBytes(reader, 0, firstEntry.Offset, writer);
progressCallback(5, 0);
AdvFramesIndexEntry firstEntryToCopy = m_Index.Index[firstFrame];
long zeroTicks = firstEntryToCopy.ElapsedTime.Ticks;
var newIndex = new List <AdvFramesIndexEntry>();
for (int i = firstFrame; i <= lastFrame; i++)
{
AdvFramesIndexEntry frameToCopy = m_Index.Index[i];
var copiedFrame = new AdvFramesIndexEntry()
{
Offset = writer.BaseStream.Position,
Length = frameToCopy.Length
};
long nextFrameStartPos = i == m_Index.NumberOfFrames - 1 ? m_Index.TableOffset : m_Index.Index[i + 1].Offset;
CopyRawBytes(reader, frameToCopy.Offset, nextFrameStartPos - frameToCopy.Offset, writer);
copiedFrame.ElapsedTime = new TimeSpan(frameToCopy.ElapsedTime.Ticks - zeroTicks);
newIndex.Add(copiedFrame);
int percDone = (int)Math.Min(90, 90 * (i - firstFrame) * 1.0 / (lastFrame - firstFrame + 1));
progressCallback(5 + percDone, 0);
}
long indexTableOffset = writer.BaseStream.Position;
progressCallback(95, 0);
writer.Write((uint)newIndex.Count);
// Save the new INDEX
foreach (AdvFramesIndexEntry newIndexEntry in newIndex)
{
writer.Write((uint)Math.Round(newIndexEntry.ElapsedTime.TotalMilliseconds));
writer.Write((long)newIndexEntry.Offset);
writer.Write((uint)newIndexEntry.Length);
}
long userMetadataTablePosition = writer.BaseStream.Position;
if (fsr.Length > m_UserMetadataTableOffset)
{
CopyRawBytes(reader, m_UserMetadataTableOffset, fsr.Length - m_UserMetadataTableOffset, writer);
}
writer.BaseStream.Seek(5, SeekOrigin.Begin);
writer.Write((uint)newIndex.Count);
writer.Write(indexTableOffset);
writer.BaseStream.Seek(8, SeekOrigin.Current);
writer.Write(userMetadataTablePosition);
writer.BaseStream.Flush();
progressCallback(100, 0);
}
return(false);
}
internal bool SaveAsAviFile(string fileName, int firstFrame, int lastFrame, AdvToAviConverter converter, bool tryCodec, double msPerFrame, double addedGamma, OnSearchProgressDelegate progressCallback)
{
IAviSaver saver = AdvToAviConverterFactory.CreateConverter(converter);
saver.CloseAviFile();
if (!saver.StartNewAviFile(fileName, (int)ImageSection.Width, (int)ImageSection.Height, 8, 25, tryCodec))
{
progressCallback(100, 0);
return(false);
}
try
{
int aviFrameNo = 0;
AdvFramesIndexEntry firstFrameIdx = m_Index.Index[firstFrame];
double startingTimeMilliseconds = firstFrameIdx.ElapsedTime.TotalMilliseconds;
bool isAavFile = AdvFileTags["FSTF-TYPE"] == "AAV";
double effFrameDuration = double.NaN;
try
{
effFrameDuration = 1000 / double.Parse(AdvFileTags["EFFECTIVE-FRAME-RATE"]);
}
catch
{ }
if (isAavFile && m_Index.Index[lastFrame].ElapsedTime.Ticks == 0 && (double.IsNaN(effFrameDuration) || double.IsInfinity(effFrameDuration)))
{
MessageBox.Show(
"This AAV video format is too old or the AAV file is corrupted. It cannot be converted to AVI",
"Tangra 3",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return(false);
}
if ((isAavFile && !double.IsNaN(effFrameDuration)) ||
!isAavFile && m_Index.Index[lastFrame].ElapsedTime.Ticks != 0)
{
// Sampling can be done as we have sufficient timing information
}
else
{
MessageBox.Show(
"There is insufficient timing information in this file to convert it to AVI. This could be caused by an old file format.",
"Tangra 3",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return(false);
}
progressCallback(5, 0);
for (int i = firstFrame; i <= lastFrame; i++)
{
AdvFramesIndexEntry frame = m_Index.Index[i];
AdvImageData currentImageData;
AdvStatusData currentStatusData;
Bitmap currentBitmap;
using (Pixelmap pixmap = GetFrameData(i, out currentImageData, out currentStatusData, out currentBitmap))
{
int lastRepeatedAviFrameNo = 0;
if (isAavFile && !double.IsNaN(effFrameDuration))
{
lastRepeatedAviFrameNo = (int)Math.Round(((i - firstFrame) * effFrameDuration) / msPerFrame);
}
else if (!isAavFile && frame.ElapsedTime.Ticks != 0)
{
lastRepeatedAviFrameNo = (int)Math.Round((frame.ElapsedTime.TotalMilliseconds - startingTimeMilliseconds) / msPerFrame);
}
while (aviFrameNo < lastRepeatedAviFrameNo)
{
if (!saver.AddAviVideoFrame(pixmap, addedGamma, ImageSection.Adv16NormalisationValue))
{
progressCallback(100, 0);
return(false);
}
aviFrameNo++;
}
if (currentBitmap != null)
{
currentBitmap.Dispose();
}
}
int percDone = (int)Math.Min(90, 90 * (i - firstFrame) * 1.0 / (lastFrame - firstFrame + 1));
progressCallback(5 + percDone, 0);
}
}
finally
{
saver.CloseAviFile();
progressCallback(100, 0);
}
return(false);
}
internal void SearchFramesByMagicPhase1(OnSearchProgressDelegate progressCallback)
{
long bytesToSearch = m_InputFile.Length - 5 - m_RecoveryOffset;
m_CandidateFrameOffsets.Clear();
int percentCompleted;
int lastPercentCompleted = -1;
int MIN_FRAME_SIZE = 12 + 4;
for (long i = 0; i < bytesToSearch; i++)
{
m_InputFile.Seek(m_RecoveryOffset + i, SeekOrigin.Begin);
uint frameDataMagic = m_FileReader.ReadUInt32();
if (frameDataMagic == 0xEE0122FF)
{
try
{
byte[] data = m_FileReader.ReadBytes(MIN_FRAME_SIZE);
// Read the timestamp and exposure
long frameTimeMsSince2010 =
(long)data[0] + (((long)data[1]) << 8) + (((long)data[2]) << 16) + (((long)data[3]) << 24) +
(((long)data[4]) << 32) + (((long)data[5]) << 40) + (((long)data[6]) << 48) + (((long)data[7]) << 56);
int exposure = data[8] + (data[9] << 8) + (data[10] << 16) + (data[11] << 24);
DateTime startExposure = ADV_ZERO_DATE_REF.AddMilliseconds(frameTimeMsSince2010);
double exposureMS = exposure / 10.0;
if (startExposure.Year < 2010 || startExposure.Year > 2100)
{
continue;
}
if (exposureMS < 0 || exposureMS > 60 * 1000)
{
continue;
}
m_CandidateFrameOffsets.Add(new RecoveredFrameHeader()
{
Position = m_RecoveryOffset + i,
StartExposureUT = startExposure,
ExposureMilliseconds = exposureMS
});
int sectionDataLength = data[12] + (data[13] << 8) + (data[14] << 16) + (data[15] << 24);
m_InputFile.Seek(m_RecoveryOffset + i + 4 + 12 + sectionDataLength + 4, SeekOrigin.Begin);
byte tagValuesCount = m_FileReader.ReadByte();
for (int j = 0; j < tagValuesCount; j++)
{
m_FileReader.ReadByte();
byte len = m_FileReader.ReadByte();
m_FileReader.ReadBytes(len);
}
// NOTE: The next frame should begin somewhere in the next 32 bytes
long nextFrameSearchStartPos = m_FileReader.BaseStream.Position;
for (int j = 0; j < 32; j++)
{
m_InputFile.Seek(nextFrameSearchStartPos + j, SeekOrigin.Begin);
uint frameDataMagic2 = m_FileReader.ReadUInt32();
if (frameDataMagic2 == 0xEE0122FF)
{
// We found it!
i = nextFrameSearchStartPos + j - m_RecoveryOffset - 1;
break;
}
}
}
catch { }
}
percentCompleted = (int)(100.0 * i / bytesToSearch);
if (lastPercentCompleted < percentCompleted)
{
progressCallback(percentCompleted, m_CandidateFrameOffsets.Count);
lastPercentCompleted = percentCompleted;
}
}
}
