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 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
//------------------
}
}
protected override void DoFinalTasks(FileStream sourceFileStream, Dictionary <uint, FileStream> outputFiles, bool addHeader)
{
byte[] headerBytes;
byte[] aa3HeaderBytes;
uint headerBlock;
string sourceFile;
long streamInfoOffset;
byte streamIdByte;
byte streamIdCheckByte;
byte channelCount;
GenhCreationStruct gcStruct;
string genhFile;
foreach (uint streamId in outputFiles.Keys)
{
if (this.IsThisAnAudioBlock(BitConverter.GetBytes(streamId)))
{
if (outputFiles[streamId].Name.EndsWith(Atrac3AudioExtension))
{
headerBytes = ParseFile.ParseSimpleOffset(outputFiles[streamId], 0, 0x8);
// remove all header chunks
string cleanedFile = FileUtil.RemoveAllChunksFromFile(outputFiles[streamId], headerBytes);
// close stream and rename file
sourceFile = outputFiles[streamId].Name;
outputFiles[streamId].Close();
outputFiles[streamId].Dispose();
File.Delete(sourceFile);
File.Move(cleanedFile, sourceFile);
// add header
if (addHeader)
{
Array.Reverse(headerBytes);
headerBlock = BitConverter.ToUInt32(headerBytes, 4);
string headeredFile = Path.ChangeExtension(sourceFile, Atrac3Plus.FileExtension);
aa3HeaderBytes = Atrac3Plus.GetAa3Header(headerBlock);
FileUtil.AddHeaderToFile(aa3HeaderBytes, sourceFile, headeredFile);
File.Delete(sourceFile);
}
}
else if (addHeader &&
outputFiles[streamId].Name.EndsWith(LpcmAudioExtension))
{
// get this block's stream id
streamIdByte = BitConverter.GetBytes(streamId)[0];
// get location of first audio stream info block
streamInfoOffset = ParseFile.GetNextOffset(sourceFileStream, 0, PamAudioStreamInfoStartBytes);
// find matching info block
while ((streamInfoOffset > -1))
{
streamIdCheckByte = ParseFile.ParseSimpleOffset(sourceFileStream, streamInfoOffset + 0x4, 1)[0];
if (streamIdCheckByte == streamIdByte)
{
// get channel count
channelCount = ParseFile.ParseSimpleOffset(sourceFileStream, streamInfoOffset + 0x11, 1)[0];
// close stream and build GENH file
sourceFile = outputFiles[streamId].Name;
outputFiles[streamId].Close();
outputFiles[streamId].Dispose();
gcStruct = new GenhCreationStruct();
gcStruct.Format = "0x03";
gcStruct.HeaderSkip = "0";
gcStruct.Interleave = "0x2";
gcStruct.Channels = channelCount.ToString();
gcStruct.Frequency = "48000";
gcStruct.NoLoops = true;
genhFile = GenhUtil.CreateGenhFile(sourceFile, gcStruct);
// delete original file
if (!String.IsNullOrEmpty(genhFile))
{
File.Delete(sourceFile);
}
break;
}
streamInfoOffset = ParseFile.GetNextOffset(sourceFileStream, streamInfoOffset + 1, PamAudioStreamInfoStartBytes);
}
}
}
}
}
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);
}
private void createGenhs(GenhCreatorStruct pGenhCreatorStruct, DoWorkEventArgs e)
{
int progress;
GenhCreationStruct genhCreationStruct;
this.maxFiles = pGenhCreatorStruct.SourcePaths.Length;
string outputFilePath = String.Empty;
string extractedFilePath;
string outputMessageAction = String.Empty;
StringBuilder outputMessage = new StringBuilder();
int progressReportingPercentage = 10;
int progressReportingPercentageIncrementValue = 10;
foreach (string file in pGenhCreatorStruct.SourcePaths)
{
progress = (++this.fileCount * 100) / this.maxFiles;
// throttle output to prevent locking up the GUI
if ((progress > progressReportingPercentage) ||
(this.fileCount == this.maxFiles))
{
this.progressStruct.Clear();
this.progressStruct.FileName = file;
ReportProgress(progress, this.progressStruct);
}
if (File.Exists(file))
{
if (pGenhCreatorStruct.DoExtract)
{
outputFilePath = GenhUtil.ExtractGenhFile(file, true, true, true);
outputMessageAction = "Extracted";
}
else
{
genhCreationStruct = pGenhCreatorStruct.ToGenhCreationStruct();
if (pGenhCreatorStruct.DoCreation)
{
outputFilePath = GenhUtil.CreateGenhFile(file, genhCreationStruct);
outputMessageAction = "Created";
}
else if (pGenhCreatorStruct.DoEdit)
{
extractedFilePath = GenhUtil.ExtractGenhFile(file, false, false, false);
if (!String.IsNullOrEmpty(extractedFilePath))
{
genhCreationStruct.SourcePaths = new string[1];
genhCreationStruct.SourcePaths[0] = extractedFilePath;
outputFilePath = GenhUtil.CreateGenhFile(extractedFilePath, genhCreationStruct);
File.Delete(extractedFilePath);
}
outputMessageAction = "Edited";
}
}
if (!String.IsNullOrEmpty(outputFilePath))
{
outputMessage.AppendFormat("{0} {1}.{2}", outputFilePath, outputMessageAction, Environment.NewLine);
}
// throttle output to prevent locking up the GUI
if ((progress > progressReportingPercentage) ||
(this.fileCount == this.maxFiles))
{
progressReportingPercentage += progressReportingPercentageIncrementValue;
this.progressStruct.Clear();
this.progressStruct.GenericMessage = outputMessage.ToString();
ReportProgress(Constants.ProgressMessageOnly, this.progressStruct);
outputMessage.Length = 0;
}
}
}
}
