internal void SaveRecoveredFileAs(string newFileName)
{
string oldFile = Path.GetFullPath(m_FileName);
string newFile = Path.GetFullPath(newFileName);
if (string.Compare(oldFile, newFile, StringComparison.InvariantCultureIgnoreCase) != 0)
{
File.Copy(oldFile, newFile, true);
}
using (FileStream fs = new FileStream(newFile, FileMode.Open, FileAccess.Write))
using (BinaryWriter writer = new BinaryWriter(fs))
{
uint numFrames = m_Index.NumberOfFrames;
long indexTablePosition = fs.Length;
fs.Seek(0, SeekOrigin.End);
writer.Write(numFrames);
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;
writer.Write(elapsedMiliseconds);
writer.Write(offset);
writer.Write(length);
}
long userMetadataTablePosition = fs.Position;
uint numUserEntries = 0;
writer.Write(numUserEntries);
fs.Seek(5, SeekOrigin.Begin);
writer.Write(numFrames);
writer.Write(indexTablePosition);
fs.Seek(8, SeekOrigin.Current);
writer.Write(userMetadataTablePosition);
fs.Flush();
}
}
public void GetFrameImageSectionHeader(int frameNo, out byte layoutId, out AdvImageLayout.GetByteMode byteMode)
{
AdvFramesIndexEntry idxEntry = m_Index.Index[frameNo];
m_InputFile.Seek(idxEntry.Offset, SeekOrigin.Begin);
uint frameDataMagic = m_FileReader.ReadUInt32();
Trace.Assert(frameDataMagic == 0xEE0122FF);
// 8 bytes timestamp + 4 bytes exposure + 4 bytes image section length
m_InputFile.Seek(16, SeekOrigin.Current);
layoutId = m_FileReader.ReadByte();
byteMode = (AdvImageLayout.GetByteMode)m_FileReader.ReadByte();
}
public object[] GetFrameSectionData(int frameNo, ushort[,] prevFrame)
{
AdvFramesIndexEntry idxEntry = m_Index.Index[frameNo];
m_InputFile.Seek(idxEntry.Offset, SeekOrigin.Begin);
uint frameDataMagic = m_FileReader.ReadUInt32();
Trace.Assert(frameDataMagic == 0xEE0122FF);
byte[] data = m_FileReader.ReadBytes((int)idxEntry.Length);
// 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);
var sectionObjects = new List <object>();
int dataOffset = 12;
foreach (IAdvDataSection section in m_Sections)
{
int sectionDataLength = data[dataOffset] + (data[dataOffset + 1] << 8) + (data[dataOffset + 2] << 16) + (data[dataOffset + 3] << 24);
object sectionObject = section.GetDataFromDataBytes(data, prevFrame, sectionDataLength, dataOffset + 4);
sectionObjects.Add(sectionObject);
dataOffset += sectionDataLength + 4;
}
// ADV Format Specification v1.5 (and later), the time stamp is the MIDDLE of the exposure (this changed from spec v1.4 where it was the START) of the exposure
try
{
((AdvImageData)sectionObjects[0]).MidExposureUtc = ADV_ZERO_DATE_REF.AddMilliseconds(frameTimeMsSince2010);
}
catch (ArgumentOutOfRangeException)
{
((AdvImageData)sectionObjects[0]).MidExposureUtc = ADV_ZERO_DATE_REF;
}
((AdvImageData)sectionObjects[0]).ExposureMilliseconds = (float)(exposure / 10.0);
return(sectionObjects.ToArray());
}
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 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);
}
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);
}
