private long parseDataPacket(Stream inStream, long currentOffset, MpegStream.DemuxOptionsStruct demuxOptions)
{
long packetSize = 0;
AsfDataPacketPayloadParsingObject dataPacketPayloadParsingObject;
AsfDataPacketPayloadObject dataPacketPayloadObject;
// get payload parsing info
dataPacketPayloadParsingObject = this.parseAsfDataPacketPayloadParsingObject(inStream, currentOffset);
currentOffset += dataPacketPayloadParsingObject.PacketOverheadLength;
packetSize += dataPacketPayloadParsingObject.PacketOverheadLength;
// parse payload(s)
for (int i = 0; i < dataPacketPayloadParsingObject.NumberOfPayloads; i++)
{
dataPacketPayloadObject = this.parseAsfDataPacketPayloadObject(inStream, currentOffset, dataPacketPayloadParsingObject, demuxOptions);
currentOffset += dataPacketPayloadObject.PayloadSize;
packetSize += dataPacketPayloadObject.PayloadSize;
}
// skip padding
currentOffset += dataPacketPayloadParsingObject.PaddingLength;
packetSize += dataPacketPayloadParsingObject.PaddingLength;
return(packetSize);
}
protected virtual void DoFinalTasks(MpegStream.DemuxOptionsStruct demuxOptions)
{
foreach (uint key in this.streamWriterDictionary.Keys)
{
try
{
}
catch (Exception ex)
{
if (this.streamWriterDictionary[key] != null)
{
throw new Exception(String.Format("Exception building header for file: {0}{1}{2}", this.streamWriterDictionary[key].Name, ex.Message, Environment.NewLine));
}
else
{
throw new Exception(String.Format("Exception building header for file: {0}{1}{2}", "UNKNOWN", ex.Message, Environment.NewLine));
}
}
finally
{
// close streams if open
if (this.streamWriterDictionary[key] != null &&
this.streamWriterDictionary[key].CanRead)
{
this.streamWriterDictionary[key].Close();
this.streamWriterDictionary[key].Dispose();
}
}
}
}
protected virtual void DoFinalTasks(Dictionary <uint, FileStream> streamWriters,
MpegStream.DemuxOptionsStruct demuxOptions)
{
foreach (uint key in streamWriters.Keys)
{
if (streamWriters[key] != null &&
streamWriters[key].CanRead)
{
streamWriters[key].Close();
streamWriters[key].Dispose();
}
}
}
protected virtual void DoFinalTasks(Dictionary <uint, FileStream> streamWriters,
MpegStream.DemuxOptionsStruct demuxOptions)
{
GenhCreationStruct gcStruct;
string sourceFile;
string genhFile;
foreach (uint key in streamWriters.Keys)
{
// create GENH since MIB support is spotty
if (demuxOptions.AddHeader)
{
if (streamWriters[key].Name.EndsWith(this.FileExtensionAudio))
{
sourceFile = streamWriters[key].Name;
streamWriters[key].Close();
streamWriters[key].Dispose();
gcStruct = new GenhCreationStruct();
gcStruct.Format = "0x00";
gcStruct.HeaderSkip = "0";
gcStruct.Interleave = "0x100";
gcStruct.Channels = "2";
gcStruct.Frequency = "48000";
gcStruct.NoLoops = true;
genhFile = GenhUtil.CreateGenhFile(sourceFile, gcStruct);
// delete original file
if (!String.IsNullOrEmpty(genhFile))
{
File.Delete(sourceFile);
}
}
}
// close streams if open
if (streamWriters[key] != null &&
streamWriters[key].CanRead)
{
streamWriters[key].Close();
streamWriters[key].Dispose();
}
}
}
public virtual void DemultiplexStreams(MpegStream.DemuxOptionsStruct demuxOptions)
{
long currentOffset = 0;
long fileSize;
long blockSize;
long videoChunkSize;
Dictionary <uint, FileStream> streamOutputWriters = new Dictionary <uint, FileStream>();
ChunkStruct currentChunk = new ChunkStruct();
ChunkStruct[] audioChunks;
try
{
using (FileStream fs = File.OpenRead(this.FilePath))
{
this.ReadHeader(fs, currentOffset);
fileSize = fs.Length;
currentOffset = ParseFile.GetNextOffset(fs, currentOffset, DataStartBytes) + 4;
while (currentOffset < fileSize)
{
if (currentOffset == 0x4C7DC)
{
}
blockSize = this.GetBlockSize(fs, currentOffset);
if (blockSize > 0)
{
// write video block to stream
currentChunk = this.GetVideoChunk(fs, currentOffset);
if (demuxOptions.ExtractVideo && (currentChunk.Chunk != null))
{
this.writeChunkToStream(currentChunk.Chunk, currentChunk.ChunkId, streamOutputWriters, this.FileExtensionVideo);
}
// NDS -- currentBlockId = (uint)(BitConverter.ToUInt16(ParseFile.ParseSimpleOffset(fs, currentOffset, 2), 0) & 0x00FF);
// write audio block to stream
if (demuxOptions.ExtractAudio && (this.AudioStreamCount > 0))
{
videoChunkSize = currentChunk.Chunk == null ? 0 : currentChunk.Chunk.Length;
audioChunks = this.GetAudioChunk(fs, currentOffset, blockSize, videoChunkSize);
for (uint i = 0; i < this.AudioStreamCount; i++)
{
if (audioChunks[i].Chunk != null)
{
this.writeChunkToStream(audioChunks[i].Chunk, audioChunks[i].ChunkId, streamOutputWriters, this.FileExtensionAudio);
}
}
}
// move offset
currentOffset += blockSize;
}
else
{
break;
}
}
} // using (FileStream fs = File.OpenRead(this.FilePath))
}
catch (Exception ex)
{
throw new Exception(String.Format("Exception processing block at offset 0x{0}: {1}{2}", currentOffset.ToString("X"), ex.Message, Environment.NewLine));
}
finally
{
// clean up
this.DoFinalTasks(streamOutputWriters, demuxOptions);
}
}
public void DemultiplexStreams(MpegStream.DemuxOptionsStruct demuxStruct)
{
long fileSize;
long currentOffset = 0;
long blockStart = 0;
long packetSize;
long nextPacketSize = -1;
long videoPacketSize;
long[] audioStreamPacketSizes;
Dictionary <string, FileStream> streamOutputWriters = new Dictionary <string, FileStream>();
long audioStreamOffset;
long videoStreamOffset;
GenhCreationStruct gcStruct;
string genhFile;
using (FileStream fs = File.Open(this.FilePath, FileMode.Open, FileAccess.Read))
{
fileSize = fs.Length;
while ((nextPacketSize != 0) && (currentOffset < fileSize))
{
blockStart = currentOffset;
if (currentOffset == 0)
{
// get main header
this.FileHeader = new XmvVideoDataHeader();
this.FileHeader.MagicBytes = ParseFile.ParseSimpleOffset(fs, 0xC, 4);
if (!ParseFile.CompareSegment(this.FileHeader.MagicBytes, 0, XmvMagicBytes))
{
throw new FormatException(String.Format("XMV Magic Bytes: 'xobX' not found at offset 0xC{0}", Environment.NewLine));
}
this.FileHeader.InitialPacketSize = ParseFile.ParseSimpleOffset(fs, 4, 4);
this.FileHeader.VideoWidth = ParseFile.ParseSimpleOffset(fs, 0x14, 4);
this.FileHeader.VideoHeight = ParseFile.ParseSimpleOffset(fs, 0x18, 4);
// get audio subheaders
this.FileHeader.AudioStreamCount = (UInt32)BitConverter.ToUInt16(ParseFile.ParseSimpleOffset(fs, 0x20, 2), 0);
this.FileHeader.AudioHeaders = new XmvAudioDataHeader[this.FileHeader.AudioStreamCount];
for (uint i = 0; i < this.FileHeader.AudioStreamCount; i++)
{
this.FileHeader.AudioHeaders[i] = new XmvAudioDataHeader();
this.FileHeader.AudioHeaders[i].WaveFormat = ParseFile.ParseSimpleOffset(fs, 0x24 + (i * 0xC), 2);
this.FileHeader.AudioHeaders[i].ChannelCount = ParseFile.ParseSimpleOffset(fs, 0x24 + (i * 0xC) + 2, 2);
this.FileHeader.AudioHeaders[i].SamplesPerSecond = ParseFile.ParseSimpleOffset(fs, 0x24 + (i * 0xC) + 4, 4);
this.FileHeader.AudioHeaders[i].BitsPerSample = ParseFile.ParseSimpleOffset(fs, 0x24 + (i * 0xC) + 8, 4);
}
// set next packet size
nextPacketSize = (long)BitConverter.ToUInt32(this.FileHeader.InitialPacketSize, 0);
currentOffset = 0x24 + (this.FileHeader.AudioStreamCount * 0xC);
}
// set packet size of current packet
packetSize = nextPacketSize;
// get size of next packet
nextPacketSize = (long)BitConverter.ToUInt32(ParseFile.ParseSimpleOffset(fs, currentOffset, 4), 0);
// get size of video data
videoPacketSize = BitConverter.ToUInt32(ParseFile.ParseSimpleOffset(fs, currentOffset + 4, 4), 0);
videoPacketSize &= 0x000FFFFF;
videoPacketSize -= (this.FileHeader.AudioStreamCount * 4);
//------------------
// write video data
//------------------
if (demuxStruct.ExtractVideo)
{
this.FileHeader.OutputPath = Path.Combine(Path.GetDirectoryName(this.FilePath), String.Format("{0}.xmv.raw", Path.GetFileNameWithoutExtension(this.FilePath)));
// add output stream to Dictionary
if (!streamOutputWriters.ContainsKey(this.FileHeader.OutputPath))
{
streamOutputWriters.Add(this.FileHeader.OutputPath, new FileStream(this.FileHeader.OutputPath, FileMode.Create, FileAccess.ReadWrite));
}
// write the video packet
videoStreamOffset = currentOffset + 0xC + (this.FileHeader.AudioStreamCount * 4);
streamOutputWriters[this.FileHeader.OutputPath].Write(ParseFile.ParseSimpleOffset(fs, videoStreamOffset, (int)videoPacketSize), 0, (int)videoPacketSize);
}
//------------------
// write audio data
//------------------
if (demuxStruct.ExtractAudio)
{
// setup audio for writing
audioStreamPacketSizes = new long[this.FileHeader.AudioStreamCount];
audioStreamOffset = currentOffset + 0xC + (this.FileHeader.AudioStreamCount * 4) + videoPacketSize;
for (uint i = 0; i < this.FileHeader.AudioStreamCount; i++)
{
audioStreamPacketSizes[i] = BitConverter.ToUInt32(ParseFile.ParseSimpleOffset(fs, currentOffset + 0xC + (i * 4), 4), 0);
// write audio streams
this.FileHeader.AudioHeaders[i].OutputPath = Path.Combine(Path.GetDirectoryName(this.FilePath), String.Format("{0}_{1}.raw", Path.GetFileNameWithoutExtension(this.FilePath), i.ToString("X2")));
// add output stream to Dictionary
if (!streamOutputWriters.ContainsKey(this.FileHeader.AudioHeaders[i].OutputPath))
{
streamOutputWriters.Add(this.FileHeader.AudioHeaders[i].OutputPath, new FileStream(this.FileHeader.AudioHeaders[i].OutputPath, FileMode.Create, FileAccess.ReadWrite));
}
// write this audio packet
streamOutputWriters[this.FileHeader.AudioHeaders[i].OutputPath].Write(ParseFile.ParseSimpleOffset(fs, audioStreamOffset, (int)audioStreamPacketSizes[i]), 0, (int)audioStreamPacketSizes[i]);
// increase source offset to next packet
audioStreamOffset += audioStreamPacketSizes[i];
}
}
currentOffset = blockStart + packetSize;
} // (currentOffset < fileSize)
//-------------------
// close all writers
//-------------------
foreach (string k in streamOutputWriters.Keys)
{
if (streamOutputWriters[k].CanRead)
{
streamOutputWriters[k].Close();
streamOutputWriters[k].Dispose();
}
}
// interleave audio
// is this needed at all, ONLY FOR MULTI-STREAM, SINGLE CHANNEL PER STREAM?
//------------------
// add audio header
//------------------
if (demuxStruct.ExtractAudio && demuxStruct.AddHeader)
{
for (int i = 0; i < this.FileHeader.AudioStreamCount; i++)
{
if (BitConverter.ToUInt16(this.FileHeader.AudioHeaders[i].WaveFormat, 0) == 0x69)
{
gcStruct = new GenhCreationStruct();
gcStruct.Format = "0x01";
gcStruct.HeaderSkip = "0";
gcStruct.Interleave = "0x1";
gcStruct.Channels = BitConverter.ToUInt16(this.FileHeader.AudioHeaders[i].ChannelCount, 0).ToString();
gcStruct.Frequency = BitConverter.ToUInt16(this.FileHeader.AudioHeaders[i].SamplesPerSecond, 0).ToString();
gcStruct.NoLoops = true;
genhFile = GenhUtil.CreateGenhFile(this.FileHeader.AudioHeaders[i].OutputPath, gcStruct);
// delete original file
if (!String.IsNullOrEmpty(genhFile))
{
File.Delete(this.FileHeader.AudioHeaders[i].OutputPath);
}
}
}
}
//------------------
// add video header
//------------------
}
}
public virtual void DemultiplexStreams(MpegStream.DemuxOptionsStruct demuxOptions)
{
long currentOffset = 0;
long fileSize;
long packetEndOffset;
uint audioPacketSize;
byte[] audioPacket;
byte[] emptyAudioPacket = new byte[] { 0x00, 0x00, 0x00, 0x00 };
uint videoPacketSize;
byte[] videoPacket;
long currentPacketOffset;
Dictionary <uint, FileStream> streamOutputWriters = new Dictionary <uint, FileStream>();
// set audio extension based on flags
if (demuxOptions.SplitAudioStreams)
{
this.FileExtensionAudio = BinkStream.DefaultFileExtensionAudioSplit;
}
else
{
this.FileExtensionAudio = BinkStream.DefaultFileExtensionAudioMulti;
}
try
{
using (FileStream fs = File.OpenRead(this.FilePath))
{
fileSize = fs.Length;
currentOffset = 0;
// parse the header
this.ParseHeader(fs, currentOffset);
// setup new offsets and first frame
this.NewFrameOffsetsVideo = new uint[this.FrameCount];
this.NewFrameOffsetsVideo[0] = this.FrameOffsetList[0].FrameOffset - (this.AudioTrackCount * 0xC); // subtract audio frame header info
// setup audio frames
this.NewFrameOffsetsAudio = new uint[this.AudioTrackCount][];
if (demuxOptions.SplitAudioStreams)
{
this.FileExtensionAudio = BinkStream.DefaultFileExtensionAudioSplit;
for (uint i = 0; i < this.AudioTrackCount; i++)
{
this.NewFrameOffsetsAudio[i] = new uint[this.FrameCount];
this.NewFrameOffsetsAudio[i][0] = this.FrameOffsetList[0].FrameOffset - ((this.AudioTrackCount - 1) * 0xC); // only need one audio header area
}
}
else if (this.AudioTrackCount > 0)
{
this.FileExtensionAudio = BinkStream.DefaultFileExtensionAudioMulti;
this.NewFrameOffsetsAudio[0] = new uint[this.FrameCount];
this.NewFrameOffsetsAudio[0][0] = this.FrameOffsetList[0].FrameOffset; // all header info stays
}
//////////////////////
// process each frame
//////////////////////
for (uint frameId = 0; frameId < this.FrameCount; frameId++)
{
try
{
currentPacketOffset = 0;
//// check to see if final frame offset is file size frame
//if (this.FrameOffsetList[frameId].FrameOffset + currentPacketOffset >= fileSize)
//{
// break;
//}
if (demuxOptions.SplitAudioStreams)
{
//////////////////
// extract audio - separate tracks
//////////////////
for (uint audioTrackId = 0; audioTrackId < this.AudioTrackCount; audioTrackId++)
{
audioPacketSize = BitConverter.ToUInt32(ParseFile.ParseSimpleOffset(fs, this.FrameOffsetList[frameId].FrameOffset + currentPacketOffset, 4), 0);
audioPacketSize += 4;
if (demuxOptions.ExtractAudio)
{
audioPacket = ParseFile.ParseSimpleOffset(fs, this.FrameOffsetList[frameId].FrameOffset + currentPacketOffset, (int)audioPacketSize);
this.writeChunkToStream(audioPacket, this.AudioTrackIds[audioTrackId], streamOutputWriters, this.FileExtensionAudio);
}
currentPacketOffset += audioPacketSize; // goto next packet
// update audio frame id
if ((frameId + 1) < this.FrameCount)
{
this.NewFrameOffsetsAudio[audioTrackId][frameId + 1] = this.NewFrameOffsetsAudio[audioTrackId][frameId] + audioPacketSize;
}
}
}
else
{
////////////////////////////////////
// extract audio - combine tracks
////////////////////////////////////
for (uint audioTrackId = 0; audioTrackId < this.AudioTrackCount; audioTrackId++)
{
audioPacketSize = BitConverter.ToUInt32(ParseFile.ParseSimpleOffset(fs, this.FrameOffsetList[frameId].FrameOffset + currentPacketOffset, 4), 0);
audioPacketSize += 4;
if ((demuxOptions.ExtractAudio))
{
audioPacket = ParseFile.ParseSimpleOffset(fs, this.FrameOffsetList[frameId].FrameOffset + currentPacketOffset, (int)audioPacketSize);
this.writeChunkToStream(audioPacket, 0, streamOutputWriters, this.FileExtensionAudio);
}
currentPacketOffset += audioPacketSize; // goto next packet
}
// update audio frame id
if ((this.AudioTrackCount > 0) && ((frameId + 1) < this.FrameCount))
{
this.NewFrameOffsetsAudio[0][frameId + 1] = this.NewFrameOffsetsAudio[0][frameId] + (uint)currentPacketOffset;
}
}
/////////////////
// extract video
/////////////////
if (frameId == (this.FrameCount - 1)) // last frame
{
packetEndOffset = fileSize;
}
else
{
packetEndOffset = this.FrameOffsetList[frameId + 1].FrameOffset;
}
videoPacketSize = (uint)(packetEndOffset - (this.FrameOffsetList[frameId].FrameOffset + currentPacketOffset));
if (demuxOptions.ExtractVideo)
{
// parse video packet
videoPacket = ParseFile.ParseSimpleOffset(fs, this.FrameOffsetList[frameId].FrameOffset + currentPacketOffset, (int)videoPacketSize);
this.writeChunkToStream(videoPacket, 0xFFFF, streamOutputWriters, this.FileExtensionVideo);
}
// update video frame offset
if ((frameId + 1) < this.NewFrameOffsetsVideo.Length)
{
this.NewFrameOffsetsVideo[frameId + 1] = this.NewFrameOffsetsVideo[frameId] + (uint)videoPacketSize;
}
}
catch (Exception fex)
{
throw new Exception(String.Format("Exception processing frame 0x{0} at offset 0x{1}: {2}{3}", frameId.ToString("X"), this.FrameOffsetList[frameId].FrameOffset.ToString("X"), fex.Message, Environment.NewLine));
}
} // for (uint frameId = 0; frameId < this.FrameCount; frameId++)
} // using (FileStream fs = File.OpenRead(this.FilePath))
}
catch (Exception ex)
{
throw new Exception(String.Format("Exception processing block at offset 0x{0}: {1}{2}", currentOffset.ToString("X"), ex.Message, Environment.NewLine));
}
finally
{
// clean up
this.DoFinalTasks(streamOutputWriters, demuxOptions);
}
}
protected virtual void DoFinalTasks(Dictionary <uint, FileStream> streamWriters,
MpegStream.DemuxOptionsStruct demuxOptions)
{
string sourceFile;
string headeredFile;
int headerSize;
byte[] headerBytes;
byte[] frameOffsetBytes;
uint previousFrameOffset;
uint frameOffset;
uint maxFrameSize;
uint fileLength;
int audioTrackIndex;
uint frameStartLocation;
byte[] dummyValues = new byte[4];
foreach (uint key in streamWriters.Keys)
{
try
{
if (demuxOptions.AddHeader)
{
//////////////////////
// Multi-Track Audio
//////////////////////
if (streamWriters[key].Name.EndsWith(BinkStream.DefaultFileExtensionAudioMulti))
{
//////////////////////////
// update original header
//////////////////////////
headerBytes = new byte[this.FullHeader.Length];
Array.Copy(this.FullHeader, headerBytes, this.FullHeader.Length);
// set frame start location
frameStartLocation = 0x2C + (this.AudioTrackCount * 0xC);
if (this.BinkVersion == BinkType.Version02)
{
frameStartLocation += 4;
}
// set file size
fileLength = (uint)(streamWriters[key].Length + headerBytes.Length - 8);
// set video size to minimum
Array.Copy(BitConverter.GetBytes((uint)1), 0, headerBytes, 0x14, 4);
Array.Copy(BitConverter.GetBytes((uint)1), 0, headerBytes, 0x18, 4);
// insert file length
Array.Copy(BitConverter.GetBytes(fileLength), 0, headerBytes, 4, 4);
// insert frame offsets
previousFrameOffset = 0;
frameOffset = 0;
maxFrameSize = 0;
for (uint i = 0; i < this.FrameCount; i++)
{
// set previous offset
previousFrameOffset = frameOffset;
frameOffset = this.NewFrameOffsetsAudio[0][i];
if (this.FrameOffsetList[i].IsKeyFrame)
{
// add key frame bit
frameOffsetBytes = BitConverter.GetBytes(frameOffset | 1);
}
else
{
frameOffsetBytes = BitConverter.GetBytes(frameOffset);
}
// insert offset
Array.Copy(frameOffsetBytes, 0, headerBytes, (frameStartLocation + (i * 4)), 4);
// calculate max frame size
if ((frameOffset - previousFrameOffset) > maxFrameSize)
{
maxFrameSize = frameOffset - previousFrameOffset;
}
}
// Add last frame offset (EOF)
fileLength = (uint)(streamWriters[key].Length + headerBytes.Length);
Array.Copy(BitConverter.GetBytes(fileLength), 0, headerBytes, (frameStartLocation + (this.FrameCount * 4)), 4);
// insert max frame size
if ((fileLength - frameOffset) > maxFrameSize)
{
maxFrameSize = fileLength - frameOffset;
}
Array.Copy(BitConverter.GetBytes(maxFrameSize), 0, headerBytes, 0xC, 4);
// append to file
sourceFile = streamWriters[key].Name;
headeredFile = sourceFile + ".headered";
streamWriters[key].Close();
streamWriters[key].Dispose();
FileUtil.AddHeaderToFile(headerBytes, streamWriters[key].Name, headeredFile);
File.Delete(streamWriters[key].Name);
File.Move(headeredFile, streamWriters[key].Name);
}
//////////////////////
// Split Track Audio
//////////////////////
else if (streamWriters[key].Name.EndsWith(BinkStream.DefaultFileExtensionAudioSplit))
{
//////////////////////////
// update original header
//////////////////////////
headerBytes = new byte[this.FullHeader.Length];
Array.Copy(this.FullHeader, headerBytes, this.FullHeader.Length);
// set video size to minimum
Array.Copy(BitConverter.GetBytes((uint)1), 0, headerBytes, 0x14, 4);
Array.Copy(BitConverter.GetBytes((uint)1), 0, headerBytes, 0x18, 4);
// get track info
audioTrackIndex = this.getIndexForSplitAudioTrackFileName(streamWriters[key].Name);
// resize header since all audio info except this track will be removied
headerSize = (int)(0x2C + 0xC + ((this.FrameCount + 1) * 4));
if (this.BinkVersion == BinkType.Version02)
{
headerSize += 4;
}
Array.Resize(ref headerBytes, headerSize);
// insert audio info for this track
headerBytes[0x28] = 1;
Array.Copy(this.FullHeader, 0x2C + (audioTrackIndex * 4), headerBytes, 0x2C, 4);
// only one audio track, audio track id must equal zero
if (this.BinkVersion == BinkType.Version01)
{
Array.Copy(this.FullHeader, 0x2C + (this.AudioTrackCount * 4) + (audioTrackIndex * 4), headerBytes, 0x30, 4);
Array.Copy(BitConverter.GetBytes((uint)0), 0, headerBytes, 0x34, 4);
}
else if (this.BinkVersion == BinkType.Version02)
{
Array.Copy(this.FullHeader, 0x30 + (audioTrackIndex * 4), headerBytes, 0x30, 4);
Array.Copy(this.FullHeader, 0x30 + (this.AudioTrackCount * 4) + (audioTrackIndex * 4), headerBytes, 0x34, 4);
Array.Copy(BitConverter.GetBytes((uint)0), 0, headerBytes, 0x38, 4);
}
else
{
throw new FormatException("Unsupported Bink type for split audio streams.");
}
// set file size
fileLength = (uint)(streamWriters[key].Length + headerBytes.Length - 8);
Array.Copy(BitConverter.GetBytes(fileLength), 0, headerBytes, 4, 4);
// insert frame offsets
previousFrameOffset = 0;
frameOffset = 0;
maxFrameSize = 0;
frameStartLocation = 0x2C + 0xC;
if (this.BinkVersion == BinkType.Version02)
{
frameStartLocation += 4;
}
for (uint i = 0; i < this.FrameCount; i++)
{
// set previous offset
previousFrameOffset = frameOffset;
frameOffset = this.NewFrameOffsetsAudio[audioTrackIndex][i];
if (this.FrameOffsetList[i].IsKeyFrame)
{
// add key frame bit
frameOffsetBytes = BitConverter.GetBytes(this.NewFrameOffsetsAudio[audioTrackIndex][i] | 1);
}
else
{
frameOffsetBytes = BitConverter.GetBytes(this.NewFrameOffsetsAudio[audioTrackIndex][i]);
}
// insert offset
Array.Copy(frameOffsetBytes, 0, headerBytes, (frameStartLocation + (i * 4)), 4);
// calculate max frame size
if ((frameOffset - previousFrameOffset) > maxFrameSize)
{
maxFrameSize = frameOffset - previousFrameOffset;
}
}
// Add last frame offset (EOF)
fileLength = (uint)(streamWriters[key].Length + headerBytes.Length);
Array.Copy(BitConverter.GetBytes(fileLength), 0, headerBytes, (frameStartLocation + (this.FrameCount * 4)), 4);
// insert max frame size
if ((fileLength - frameOffset) > maxFrameSize)
{
maxFrameSize = fileLength - frameOffset;
}
Array.Copy(BitConverter.GetBytes(maxFrameSize), 0, headerBytes, 0xC, 4);
// append to file
sourceFile = streamWriters[key].Name;
headeredFile = sourceFile + ".headered";
streamWriters[key].Close();
streamWriters[key].Dispose();
FileUtil.AddHeaderToFile(headerBytes, streamWriters[key].Name, headeredFile);
File.Delete(streamWriters[key].Name);
File.Move(headeredFile, streamWriters[key].Name);
}
//////////////////////
// Video
//////////////////////
else if (streamWriters[key].Name.EndsWith(BinkStream.DefaultFileExtensionVideo))
{
//////////////////////////
// update original header
//////////////////////////
headerBytes = new byte[this.FullHeader.Length];
Array.Copy(this.FullHeader, headerBytes, this.FullHeader.Length);
// resize header since audio info will be removied
headerSize = (int)(0x2C + ((this.FrameCount + 1) * 4));
if (this.BinkVersion == BinkType.Version02)
{
headerSize += 4;
}
Array.Resize(ref headerBytes, headerSize);
// set file size
fileLength = (uint)(streamWriters[key].Length + headerBytes.Length - 8);
Array.Copy(BitConverter.GetBytes(fileLength), 0, headerBytes, 4, 4);
// set audio track count to zero
headerBytes[0x28] = 0;
// insert frame offsets
previousFrameOffset = 0;
frameOffset = 0;
maxFrameSize = 0;
frameStartLocation = 0x2C;
if (this.BinkVersion == BinkType.Version02)
{
frameStartLocation += 4;
}
for (uint i = 0; i < this.FrameCount; i++)
{
// set previous offset
previousFrameOffset = frameOffset;
frameOffset = this.NewFrameOffsetsVideo[i];
if (this.FrameOffsetList[i].IsKeyFrame)
{
// add key frame bit
frameOffsetBytes = BitConverter.GetBytes(this.NewFrameOffsetsVideo[i] | 1);
}
else
{
frameOffsetBytes = BitConverter.GetBytes(this.NewFrameOffsetsVideo[i]);
}
// insert frame offset
Array.Copy(frameOffsetBytes, 0, headerBytes, (frameStartLocation + (i * 4)), 4);
// calculate max frame size
if ((frameOffset - previousFrameOffset) > maxFrameSize)
{
maxFrameSize = frameOffset - previousFrameOffset;
}
}
// Add last frame offset (EOF)
fileLength = (uint)(streamWriters[key].Length + headerBytes.Length);
Array.Copy(BitConverter.GetBytes(fileLength), 0, headerBytes, (frameStartLocation + (this.FrameCount * 4)), 4);
// insert max frame size
if ((fileLength - frameOffset) > maxFrameSize)
{
maxFrameSize = fileLength - frameOffset;
}
Array.Copy(BitConverter.GetBytes(maxFrameSize), 0, headerBytes, 0xC, 4);
// append to file
sourceFile = streamWriters[key].Name;
headeredFile = sourceFile + ".headered";
streamWriters[key].Close();
streamWriters[key].Dispose();
FileUtil.AddHeaderToFile(headerBytes, streamWriters[key].Name, headeredFile);
File.Delete(streamWriters[key].Name);
File.Move(headeredFile, streamWriters[key].Name);
}
}
}
catch (Exception ex)
{
if (streamWriters[key] != null)
{
throw new Exception(String.Format("Exception building header for file: {0}{1}{2}", streamWriters[key].Name, ex.Message, Environment.NewLine));
}
else
{
throw new Exception(String.Format("Exception building header for file: {0}{1}{2}", "UNKNOWN", ex.Message, Environment.NewLine));
}
}
finally
{
// close streams if open
if (streamWriters[key] != null &&
streamWriters[key].CanRead)
{
streamWriters[key].Close();
streamWriters[key].Dispose();
}
}
}
}
public virtual void DemultiplexStreams(MpegStream.DemuxOptionsStruct demuxOptions)
{
long currentOffset = -1;
long fileSize;
byte[] chunkId;
byte[] fullChunk;
uint chunkSize = 0;
long mvhdOffset = -1;
long schlOffset = -1;
long shenOffset = -1;
Dictionary <string, FileStream> streamWriters = new Dictionary <string, FileStream>();
try
{
using (FileStream fs = File.OpenRead(this.FilePath))
{
fileSize = fs.Length;
// find header first header (audio or video)
mvhdOffset = ParseFile.GetNextOffset(fs, 0, ElectronicArtsVp6Stream.MVHD_BYTES);
if (mvhdOffset == 0) // video header comes first
{
currentOffset = mvhdOffset;
}
else // audio header comes first
{
schlOffset = ParseFile.GetNextOffset(fs, 0, ElectronicArtsVp6Stream.SCHl_BYTES);
if ((schlOffset > -1) && (schlOffset < mvhdOffset))
{
currentOffset = schlOffset;
}
else
{
shenOffset = ParseFile.GetNextOffset(fs, 0, ElectronicArtsVp6Stream.SHEN_BYTES);
if ((shenOffset > -1) && (shenOffset < mvhdOffset))
{
currentOffset = shenOffset;
}
}
}
// verify headers found
if (mvhdOffset >= 0)
{
if (currentOffset >= 0)
{
// process file
while (currentOffset < fileSize)
{
// get chunk
chunkId = ParseFile.ParseSimpleOffset(fs, currentOffset, 4);
// get chunk size
chunkSize = (uint)BitConverter.ToUInt32(ParseFile.ParseSimpleOffset(fs, currentOffset + 4, 4), 0);
// audio chunk
if (demuxOptions.ExtractAudio && this.IsThisAnAudioBlock(chunkId))
{
fullChunk = ParseFile.ParseSimpleOffset(fs, currentOffset, (int)chunkSize);
this.writeChunkToStream(fullChunk, "audio", streamWriters, this.FileExtensionAudio);
}
// video chunk
if (demuxOptions.ExtractVideo && this.IsThisAVideoBlock(chunkId))
{
fullChunk = ParseFile.ParseSimpleOffset(fs, currentOffset, (int)chunkSize);
this.writeChunkToStream(fullChunk, "video", streamWriters, this.FileExtensionVideo);
}
// unknown chunk
if (!this.IsThisAnAudioBlock(chunkId) && !this.IsThisAVideoBlock(chunkId))
{
fullChunk = ParseFile.ParseSimpleOffset(fs, currentOffset, (int)chunkSize);
this.writeChunkToStream(fullChunk, "unknown", streamWriters, ".bin");
}
// move to next chunk
currentOffset += (long)chunkSize;
}
}
else
{
throw new Exception(String.Format("Cannot find MVHD, SCHl, or SHEN headers.{0}", Environment.NewLine));
}
}
else
{
throw new Exception(String.Format("Cannot find MVHD header.{0}", Environment.NewLine));
} // if (mvhdOffset >= 0)
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
finally
{
this.DoFinalTasks(streamWriters);
}
}
public void DemultiplexStreams(MpegStream.DemuxOptionsStruct demuxOptions)
{
long currentOffset = 0;
uint frameCount = 1;
uint nextFrameSize;
byte[] currentFrame;
byte[] videoChunkSizeBytes = null;
uint videoChunkSize;
byte[] audioChunkSizeBytes = null;
uint audioChunkSize;
long dataStart;
byte[] videoChunk;
byte[] audioChunk;
// bool isAudioHeaderWritten = false;
Dictionary <string, bool> isAudioHeaderWritten = new Dictionary <string, bool>();
bool isVideoHeaderWritten = false;
byte[] thpHeader;
byte[] firstFrameSize;
long headerLocation;
uint previousFrameSizeVideo = 0;
uint previousFrameSizeAudio = 0;
uint nextFrameSizeVideo;
uint nextFrameSizeAudio;
byte[] previousFrameSizeBytes;
byte[] nextFrameSizeBytes;
uint totalDataSize = 0;
byte[] totalDataSizeBytes;
byte[] fourEmptyBytes = new byte[] { 0x00, 0x00, 0x00, 0x00 };
long videoFrameOffset = 0;
long audioFrameOffset = 0;
byte[] lastOffsetBytes;
string audioStreamHashKey;
byte[] bigEndianOne = new byte[] { 0x00, 0x00, 0x00, 0x01 };
Dictionary <string, FileStream> streamWriters = new Dictionary <string, FileStream>();
try
{
using (FileStream fs = File.OpenRead(this.FilePath))
{
headerLocation = ParseFile.GetNextOffset(fs, currentOffset, MAGIC_BYTES);
currentOffset = headerLocation;
if (currentOffset > -1)
{
// read header
this.ReadHeader(fs, currentOffset);
nextFrameSize = this.FirstFrameSize;
// get component info
this.ParseComponents(fs);
// process frames
currentOffset = this.FirstFrameOffset;
while (currentOffset <= this.LastFrameOffset)
{
// read frame
currentFrame = ParseFile.ParseSimpleOffset(fs, (long)currentOffset, (int)nextFrameSize);
// get size of next frame
nextFrameSize = ByteConversion.GetUInt32BigEndian(ParseFile.ParseSimpleOffset(currentFrame, 0, 4));
// get size of next audio/video frame (for writing output frame headers)
if (frameCount < this.NumberOfFrames)
{
nextFrameSizeVideo = ByteConversion.GetUInt32BigEndian(ParseFile.ParseSimpleOffset(fs, currentOffset + currentFrame.Length + 8, 4));
nextFrameSizeAudio = ByteConversion.GetUInt32BigEndian(ParseFile.ParseSimpleOffset(fs, currentOffset + currentFrame.Length + 0xC, 4));
}
else
{
nextFrameSizeVideo = 0;
nextFrameSizeAudio = 0;
}
videoChunkSizeBytes = ParseFile.ParseSimpleOffset(currentFrame, 8, 4);
videoChunkSize = ByteConversion.GetUInt32BigEndian(videoChunkSizeBytes);
if (this.ContainsAudio)
{
audioChunkSizeBytes = ParseFile.ParseSimpleOffset(currentFrame, 0xC, 4);
audioChunkSize = ByteConversion.GetUInt32BigEndian(audioChunkSizeBytes);
dataStart = 0x10;
}
else
{
audioChunkSize = 0;
dataStart = 0xC;
}
#region WRITE VIDEO
///////////////
// write video
///////////////
if (demuxOptions.ExtractVideo)
{
if (streamWriters.ContainsKey("video"))
{
videoFrameOffset = streamWriters["video"].Length;
}
// attach THP header
if (!isVideoHeaderWritten)
{
// get original header
thpHeader = ParseFile.ParseSimpleOffset(fs, headerLocation, (int)(fs.Length - this.DataSize));
// clean out audio info
thpHeader = this.RemoveAudioInfoFromThpHeader(thpHeader);
// update first frame size in header
firstFrameSize = ByteConversion.GetBytesBigEndian((uint)(videoChunkSize + 0xC));
Array.Copy(firstFrameSize, 0, thpHeader, 0x18, 4);
// write updated header
this.writeChunkToStream(thpHeader, "video", streamWriters, this.FileExtensionVideo);
isVideoHeaderWritten = true;
}
// add frame header
// write next frame size
nextFrameSizeBytes = ByteConversion.GetBytesBigEndian((uint)(nextFrameSizeVideo + 0xC));
this.writeChunkToStream(nextFrameSizeBytes, "video", streamWriters, this.FileExtensionVideo);
// write previous frame size
previousFrameSizeBytes = ByteConversion.GetBytesBigEndian((uint)(previousFrameSizeVideo + 0xC));
this.writeChunkToStream(nextFrameSizeBytes, "video", streamWriters, this.FileExtensionVideo);
// write video size
this.writeChunkToStream(videoChunkSizeBytes, "video", streamWriters, this.FileExtensionVideo);
// write data
videoChunk = ParseFile.ParseSimpleOffset(currentFrame, (int)dataStart, (int)videoChunkSize);
this.writeChunkToStream(videoChunk, "video", streamWriters, this.FileExtensionVideo);
// save previous bytes for next frame
previousFrameSizeVideo = videoChunkSize;
}
#endregion
#region WRITE AUDIO
///////////////
// write audio
///////////////
if (demuxOptions.ExtractAudio && this.ContainsAudio)
{
//if (this.NumberOfAudioBlocksPerFrame > 1)
//{
// int x = 1;
//}
// add blocks
for (int i = 0; i < this.NumberOfAudioBlocksPerFrame; i++)
{
audioStreamHashKey = String.Format("track_{0}", i.ToString("D2"));
// write file header
if (streamWriters.ContainsKey(audioStreamHashKey))
{
audioFrameOffset = streamWriters[audioStreamHashKey].Position;
}
// attach THP header
if (!isAudioHeaderWritten.ContainsKey(audioStreamHashKey) ||
isAudioHeaderWritten[audioStreamHashKey] == false)
{
// get original header
thpHeader = ParseFile.ParseSimpleOffset(fs, headerLocation, (int)(fs.Length - this.DataSize));
// clean out video info
thpHeader = this.RemoveVideoInfoFromThpHeader(thpHeader);
// update first frame size in header
firstFrameSize = ByteConversion.GetBytesBigEndian((uint)(audioChunkSize + 0x10));
Array.Copy(firstFrameSize, 0, thpHeader, 0x18, 4);
// set NumberOfAudioBlocksPerFrame to 1
Array.Copy(bigEndianOne, 0, thpHeader, 0x50, 4);
// write updated header
this.writeChunkToStream(thpHeader, audioStreamHashKey, streamWriters, this.FileExtensionAudio);
isAudioHeaderWritten.Add(audioStreamHashKey, true);
}
//////////////////////
// write frame header
//////////////////////
// write next frame size
nextFrameSizeBytes = ByteConversion.GetBytesBigEndian((uint)(nextFrameSizeAudio + 0x10));
this.writeChunkToStream(nextFrameSizeBytes, audioStreamHashKey, streamWriters, this.FileExtensionAudio);
// write previous frame size
previousFrameSizeBytes = ByteConversion.GetBytesBigEndian((uint)(previousFrameSizeAudio + 0x10));
this.writeChunkToStream(nextFrameSizeBytes, audioStreamHashKey, streamWriters, this.FileExtensionAudio);
// write video size (zero)
this.writeChunkToStream(fourEmptyBytes, audioStreamHashKey, streamWriters, this.FileExtensionAudio);
// write audio size for this frame
this.writeChunkToStream(audioChunkSizeBytes, audioStreamHashKey, streamWriters, this.FileExtensionAudio);
// write chunk
audioChunk = ParseFile.ParseSimpleOffset(currentFrame, (int)(dataStart + videoChunkSize + (i * audioChunkSize)), (int)audioChunkSize);
this.writeChunkToStream(audioChunk, audioStreamHashKey, streamWriters, this.FileExtensionAudio);
// set previous frame size for next frame
previousFrameSizeAudio = audioChunkSize;
}
}
#endregion
// increment offset and frame counter
currentOffset += currentFrame.Length;
frameCount++;
}
// fix headers as needed
// data size
foreach (string key in streamWriters.Keys)
{
totalDataSize = (uint)(streamWriters[key].Length - this.FirstFrameOffset);
totalDataSizeBytes = ByteConversion.GetBytesBigEndian(totalDataSize);
streamWriters[key].Position = 0x1C;
streamWriters[key].Write(totalDataSizeBytes, 0, 4);
}
// frame offsets
for (int i = 0; i < this.NumberOfAudioBlocksPerFrame; i++)
{
audioStreamHashKey = String.Format("audio_{0}", i.ToString("DD"));
if (streamWriters.ContainsKey(audioStreamHashKey))
{
lastOffsetBytes = ByteConversion.GetBytesBigEndian((uint)audioFrameOffset);
streamWriters[audioStreamHashKey].Position = 0x2C;
streamWriters[audioStreamHashKey].Write(lastOffsetBytes, 0, 4);
}
}
if (streamWriters.ContainsKey("video"))
{
lastOffsetBytes = ByteConversion.GetBytesBigEndian((uint)videoFrameOffset);
streamWriters["video"].Position = 0x2C;
streamWriters["video"].Write(lastOffsetBytes, 0, 4);
}
}
else
{
throw new FormatException("Cannot find THP header.");
}
} // using (FileStream fs = File.OpenRead(this.FilePath))
}
catch (Exception ex)
{
throw new Exception(ex.Message, ex);
}
finally
{
foreach (string key in streamWriters.Keys)
{
// close writers
if (streamWriters[key] != null &&
streamWriters[key].CanWrite)
{
streamWriters[key].Close();
streamWriters[key].Dispose();
}
}
}
}
public virtual void DemultiplexStreams(MpegStream.DemuxOptionsStruct demuxOptions)
{
long currentOffset = 0;
long packetOffset = 0;
long packetSize;
long fileSize;
Dictionary <uint, FileStream> streamOutputWriters = new Dictionary <uint, FileStream>();
Guid checkGuid;
ulong blockSize;
try
{
using (FileStream fs = File.OpenRead(this.FilePath))
{
fileSize = fs.Length;
currentOffset = 0;
currentOffset = ParseFile.GetNextOffset(fs, 0, MicrosoftAsfContainer.ASF_HEADER_BYTES);
if (currentOffset > -1)
{
while (currentOffset < fileSize)
{
// get guid
checkGuid = new Guid(ParseFile.ParseSimpleOffset(fs, currentOffset, 0x10));
blockSize = BitConverter.ToUInt64(ParseFile.ParseSimpleOffset(fs, (currentOffset + 0x10), 8), 0);
// process block
if (checkGuid.Equals(MicrosoftAsfContainer.ASF_Header_Object))
{
// parse header
this.parseHeader(fs, currentOffset);
}
else if (checkGuid.Equals(MicrosoftAsfContainer.ASF_Data_Object))
{
// parse data object
this.DataObject = this.parseDataObject(fs, currentOffset);
// process data packets
packetOffset = currentOffset + 0x32; // header has been parsed
for (ulong i = 0; i < this.DataObject.TotalDataPackets; i++)
{
// parse packet
try
{
packetSize = this.parseDataPacket(fs, packetOffset, demuxOptions);
// move to next packet
if (packetSize < 0)
{
throw new Exception(String.Format("Error parsing data packet at offset 0x{0}.", packetOffset.ToString("X8")));
}
else
{
packetOffset += packetSize;
}
}
catch (Exception ex)
{
throw new Exception(String.Format("Error parsing data packet at offset 0x{0}: {1}.{2}", packetOffset.ToString("X8"), ex.Message, Environment.NewLine));
}
}
}
// increment counter
currentOffset += (long)blockSize;
} // while
}
else
{
throw new Exception(String.Format("ASF/WMV Header not found.{0}", Environment.NewLine));
}
} // using (FileStream fs = File.OpenRead(this.FilePath))
}
catch (Exception ex)
{
throw new Exception(String.Format("Exception processing block at offset 0x{0}: {1}{2}", currentOffset.ToString("X"), ex.Message, Environment.NewLine));
}
finally
{
// clean up
this.DoFinalTasks(demuxOptions);
}
}
private AsfDataPacketPayloadObject parseAsfDataPacketPayloadObject(Stream inStream, long currentOffset, AsfDataPacketPayloadParsingObject payloadParsingObject, MpegStream.DemuxOptionsStruct demuxOptions)
{
AsfDataPacketPayloadObject packetPayloadObject = new AsfDataPacketPayloadObject();
uint bytesRead = 0;
uint valueOffset = 0;
uint packetLength;
packetPayloadObject.StreamNumber = ParseFile.ParseSimpleOffset(inStream, currentOffset, 1)[0];
packetPayloadObject.KeyFrame = (byte)((packetPayloadObject.StreamNumber & 0x80) >> 7);
packetPayloadObject.StreamNumber = (byte)(packetPayloadObject.StreamNumber & 0x7F);
valueOffset += 1;
packetPayloadObject.MediaObjectNumber = this.GetLengthTypeValue(inStream, currentOffset + valueOffset, payloadParsingObject.MediaObjectNumberLengthType, ref bytesRead);
valueOffset += bytesRead;
packetPayloadObject.OffsetIntoMediaObject = this.GetLengthTypeValue(inStream, currentOffset + valueOffset, payloadParsingObject.OffsetIntoMediaObjectLengthType, ref bytesRead);
valueOffset += bytesRead;
packetPayloadObject.ReplicatedDataLength = this.GetLengthTypeValue(inStream, currentOffset + valueOffset, payloadParsingObject.ReplicatedDataLengthType, ref bytesRead);
valueOffset += bytesRead;
if (packetPayloadObject.ReplicatedDataLength == 1)
{
throw new FormatException(String.Format("Error processing data packet payload at offset 0x{0}, compressed payloads are not supported.", currentOffset.ToString("X8")));
}
// get replicated data
packetPayloadObject.ReplicatedData = ParseFile.ParseSimpleOffset(inStream, currentOffset + valueOffset, (int)packetPayloadObject.ReplicatedDataLength);
valueOffset += packetPayloadObject.ReplicatedDataLength;
if (payloadParsingObject.MultiplePayloadsPresent)
{
packetPayloadObject.PayloadDataLength = this.GetLengthTypeValue(inStream, currentOffset + valueOffset, payloadParsingObject.PayloadLengthType, ref bytesRead);
valueOffset += bytesRead;
}
else
{
packetLength = payloadParsingObject.PacketLengthType == LengthType.NotExist ? this.Header.FileProperties.MinimumPacketSize : payloadParsingObject.PacketLength;
packetPayloadObject.PayloadDataLength = packetLength - payloadParsingObject.PacketOverheadLength - valueOffset - payloadParsingObject.PaddingLength;
}
packetPayloadObject.PayloadData = ParseFile.ParseSimpleOffset(inStream, currentOffset + valueOffset, (int)packetPayloadObject.PayloadDataLength);
valueOffset += packetPayloadObject.PayloadDataLength;
// set payload size and get raw block
packetPayloadObject.PayloadSize = valueOffset;
// packetPayloadObject.RawBlock = ParseFile.ParseSimpleOffset(inStream, currentOffset, (int)packetPayloadObject.PayloadSize);
// write raw data to stream
if ((demuxOptions.ExtractAudio) && this.IsAudioStream(packetPayloadObject.StreamNumber))
{
this.writeChunkToStream(packetPayloadObject.PayloadData, (uint)packetPayloadObject.StreamNumber, this.FileExtensionAudio);
}
if ((demuxOptions.ExtractVideo) && this.IsVideoStream(packetPayloadObject.StreamNumber))
{
this.writeChunkToStream(packetPayloadObject.PayloadData, (uint)packetPayloadObject.StreamNumber, this.FileExtensionVideo);
}
return(packetPayloadObject);
}
protected override void DoFinalTasks(Dictionary <uint, FileStream> streamWriters,
MpegStream.DemuxOptionsStruct demuxOptions)
{
GenhCreationStruct gcStruct;
ushort frequency;
string sourceFile;
string genhFile = null;
string rawFile;
foreach (uint key in streamWriters.Keys)
{
if (demuxOptions.AddHeader &&
(key != MobiclipWiiStream.VideoChunkId) &&
(this.AudioStreamFeatures[key].StreamType != null) &&
(this.AudioStreamFeatures[key].StreamType == AudioChunkSignaturePcm))
{
if (streamWriters[key].Name.EndsWith(this.FileExtensionAudio))
{
sourceFile = streamWriters[key].Name;
streamWriters[key].Close();
streamWriters[key].Dispose();
gcStruct = new GenhCreationStruct();
switch (this.AudioStreamFeatures[key].StreamType)
{
case AudioChunkSignaturePcm:
gcStruct.Format = "0x04";
gcStruct.HeaderSkip = "0";
gcStruct.Interleave = "0x2";
gcStruct.Channels = this.AudioStreamFeatures[key].Channels.ToString();
gcStruct.Frequency = this.AudioStreamFeatures[key].Frequency.ToString();
gcStruct.NoLoops = true;
genhFile = GenhUtil.CreateGenhFile(sourceFile, gcStruct);
break;
default:
break;
}
// delete original file
if (!String.IsNullOrEmpty(genhFile))
{
File.Delete(sourceFile);
}
}
}
else if (key != MobiclipWiiStream.VideoChunkId)
{
// update raw file extension
if (this.AudioStreamFeatures[key].StreamType == AudioChunkSignatureA3)
{
rawFile = streamWriters[key].Name;
streamWriters[key].Close();
streamWriters[key].Dispose();
File.Copy(rawFile, Path.ChangeExtension(rawFile, FileExtensionAudioA3));
File.Delete(rawFile);
}
}
}
base.DoFinalTasks(streamWriters, demuxOptions);
}
public virtual void DemultiplexStreams(MpegStream.DemuxOptionsStruct demuxOptions)
{
long currentOffset = -1;
long fileSize;
byte[] dummy;
uint blocksProcessed = 0;
uint audioFramesProcessed = 0;
uint videoFramesProcessed = 0;
uint bytesProcessed = 0;
uint expectedBytesProcessed = 0;
BlockHeader blockHeader = new BlockHeader();
FrameHeader frameHeader = new FrameHeader();
bool isFirstVideoFrame = true;
bool isFirstAudioFrame = true;
byte[] fullChunk;
uint audioChunkSize;
uint audioChunkSamples;
long blockStart;
long frameStart;
Dictionary <string, FileStream> streamWriters = new Dictionary <string, FileStream>();
try
{
using (FileStream fs = File.OpenRead(this.FilePath))
{
fileSize = fs.Length;
#region HEADER CHECK
// check header
dummy = ParseFile.ParseSimpleOffset(fs, 0, 0x10);
if (ParseFile.CompareSegment(dummy, 0, HVQM4_13_SIGNATURE))
{
this.FileRevision = VersionType.HVQM4_13;
currentOffset = 0;
}
else if (ParseFile.CompareSegment(dummy, 0, HVQM4_15_SIGNATURE))
{
this.FileRevision = VersionType.HVQM4_15;
currentOffset = 0;
}
else
{
throw new Exception("HVQM4 signature not found at offset 0x00");
}
#endregion
// parse file
if (currentOffset >= 0)
{
// get header
this.ParseHeader(fs, 0);
currentOffset = this.HeaderSize + 4;
// process file
while ((currentOffset < fileSize) &&
(blocksProcessed < this.Blocks))
{
// reset flags
isFirstVideoFrame = true;
isFirstAudioFrame = true;
audioFramesProcessed = 0;
videoFramesProcessed = 0;
//--------------
// parse block
//--------------
blockStart = currentOffset;
blocksProcessed++;
// parse block header
this.ParseBlockHeader(fs, currentOffset, ref blockHeader);
currentOffset += blockHeader.GetSize();
bytesProcessed = 0;
while (bytesProcessed < blockHeader.BlockSize)
{
frameStart = currentOffset;
// verify we haven't processed too much
if (audioFramesProcessed > blockHeader.AudioFrameCount)
{
throw new Exception(String.Format("Processed more audio frames than expected for block starting at 0x{0}", blockStart.ToString("X8")));
}
else if (videoFramesProcessed > blockHeader.VideoFrameCount)
{
throw new Exception(String.Format("Processed more video frames than expected for block starting at 0x{0}", blockStart.ToString("X8")));
}
// parse frame header
this.ParseFrameHeader(fs, currentOffset, ref frameHeader);
currentOffset += frameHeader.GetSize();
bytesProcessed += (uint)frameHeader.GetSize();
//---------------
// process frame
//---------------
// audio chunk
if (demuxOptions.ExtractAudio && frameHeader.IsAudioFrame(isFirstAudioFrame))
{
audioChunkSamples = ParseFile.ReadUintBE(fs, currentOffset);
audioChunkSize = (audioChunkSamples * this.AudioChannels) / 2;
// get full frame for now
fullChunk = ParseFile.ParseSimpleOffset(fs, currentOffset, (int)frameHeader.FrameSize);
// different frames have different IMA info
//if (isFirstAudioFrame)
//{
// fullChunk = ParseFile.ParseSimpleOffset(fs, currentOffset + 6, (int)audioChunkSize);
//}
//else
//{
// fullChunk = ParseFile.ParseSimpleOffset(fs, currentOffset + 4, (int)audioChunkSize);
//}
this.writeChunkToStream(fullChunk, "audio", streamWriters, this.FileExtensionAudio);
isFirstAudioFrame = false;
audioFramesProcessed++;
}
// video chunk
else if (demuxOptions.ExtractVideo && frameHeader.IsVideoFrame(isFirstVideoFrame, this.FileRevision))
{
fullChunk = ParseFile.ParseSimpleOffset(fs, currentOffset, (int)frameHeader.FrameSize);
this.writeChunkToStream(fullChunk, "video", streamWriters, this.FileExtensionVideo);
isFirstVideoFrame = false;
videoFramesProcessed++;
}
//unknown
else
{
fullChunk = ParseFile.ParseSimpleOffset(fs, currentOffset, (int)frameHeader.FrameSize);
this.writeChunkToStream(fullChunk, "unknown", streamWriters, ".bin");
}
// update number of bytes processed
bytesProcessed += frameHeader.FrameSize;
// move to next frame
currentOffset += frameHeader.FrameSize;
} // while (bytesProcessed < blockHeader.BlockSize)
// verify proper number of bytes processed
if (blocksProcessed < this.Blocks)
{
bytesProcessed = bytesProcessed + (uint)(blockHeader.GetSize() + 4);
expectedBytesProcessed = ParseFile.ReadUintBE(fs, currentOffset);
if (expectedBytesProcessed != bytesProcessed)
{
throw new Exception(String.Format(
"Bytes processed 0x{0}does not match expected bytes processed {1} for block starting at 0x{2}.",
bytesProcessed.ToString("X8"),
expectedBytesProcessed.ToString("X8"),
blockStart.ToString("X8")));
}
else
{
currentOffset += 4;
}
}
}
}
else
{
throw new Exception(String.Format("Cannot find MVHD header.{0}", Environment.NewLine));
}
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
finally
{
this.DoFinalTasks(streamWriters);
}
}
public virtual void DemultiplexStreams(MpegStream.DemuxOptionsStruct demuxOptions)
{
long currentOffset = 0;
long fileSize;
long blockEndOffset;
StreamChunkStruct[] streamChunks;
Dictionary <uint, FileStream> streamOutputWriters = new Dictionary <uint, FileStream>();
try
{
using (FileStream fs = File.OpenRead(this.FilePath))
{
fileSize = fs.Length;
currentOffset = 0;
while (currentOffset < fileSize)
{
blockEndOffset = 0;
streamChunks = parseStreamChunk(fs, currentOffset);
if (streamChunks.Length > 0)
{
foreach (StreamChunkStruct sc in streamChunks)
{
blockEndOffset = sc.AbsoluteOffset + sc.ChunkSize;
if (this.isVideoBlock(sc.StreamChunkType))
{
if (demuxOptions.ExtractVideo)
{
this.writeChunkToStream(sc.ChunkData, sc.StreamChunkId, streamOutputWriters, RacjinDsiStream.DefaultFileExtensionVideo);
}
}
else if (this.isAudioBlock(sc.StreamChunkType))
{
if (demuxOptions.ExtractAudio)
{
this.writeChunkToStream(sc.ChunkData, sc.StreamChunkId, streamOutputWriters, RacjinDsiStream.DefaultFileExtensionAudio);
}
}
else
{
throw new Exception(String.Format("Exception processing block at offset 0x{0}: {1}{2}", currentOffset.ToString("X"), "Unknown Stream Type Identifier", Environment.NewLine));
}
}
// move offset
currentOffset = blockEndOffset;
currentOffset = (currentOffset + RacjinDsiStream.BlockAlignment - 1) / RacjinDsiStream.BlockAlignment * RacjinDsiStream.BlockAlignment;
}
else
{
break;
}
}
} // using (FileStream fs = File.OpenRead(this.FilePath))
}
catch (Exception ex)
{
throw new Exception(String.Format("Exception processing block at offset 0x{0}: {1}{2}", currentOffset.ToString("X"), ex.Message, Environment.NewLine));
}
finally
{
// clean up
this.DoFinalTasks(streamOutputWriters, demuxOptions);
}
}