/// <summary>
/// Start the pruning.
/// </summary>
/// <param name="fontPath">Voice font path, like .\1033 .</param>
/// <param name="configFile">Config file which will tell how many sentence will be include in each sub wve.</param>
/// <param name="bFillData">Whether fill data if the sub WVE can't be exact division.</param>
/// <param name="outputFolder">Target directory.</param>
/// <returns>New WVE File path List.</returns>
public static List<string> InventorySplit(string fontPath, string configFile, bool bFillData, string outputFolder)
{
string unitfile = fontPath + ".unt";
string wihFile = fontPath + ".wih";
string wveFile = fontPath + ".wve";
string outputUnit = Path.Combine(outputFolder, Path.GetFileNameWithoutExtension(unitfile) + ".Splited.unt");
PrintLog("Start to update split the WVE file...", true);
// spliet the file.
List<string> newWVEFileList = new List<string>();
// Load the WIH file.
WaveInfoHeader header = new WaveInfoHeader();
header.Load(wihFile);
const uint CompressFrameSize = 640;
Dictionary<string, uint> untFrameUpdateList = new Dictionary<string, uint>();
Dictionary<string, uint> acdFrameUpdateList = new Dictionary<string, uint>();
uint curFillFrameCount = 0;
Dictionary<string, int> namedUnitTypeId = new Dictionary<string, int>();
Dictionary<int, WaveCandidateInfo> updatedCandidates = new Dictionary<int, WaveCandidateInfo>();
using (UnitIndexingFile indexFile = new UnitIndexingFile(namedUnitTypeId))
{
indexFile.Load(unitfile);
uint bytesPerFrame = indexFile.SamplePerFrame * header.BytesPerSample;
uint compressFrameCount = CompressFrameSize / bytesPerFrame;
// Get all sentence id information from the index file canidate, and save them in a sorted dictionary.
// Because the sentece is sorted by a sorted dictionary in Font traing process.
List<string> sentencIDs = indexFile.WaveCandidates.SelectMany(c => c.Value.Select(k => k.Value.SentenceId).Distinct()).Distinct().ToList();
Dictionary<string, int> dic = sentencIDs.Select((v, i) => new { Value = v, Index = i }).ToDictionary(p => p.Value, p => p.Index);
SortedDictionary<string, int> sortedSentenceDic = new SortedDictionary<string, int>(dic);
List<string> orderedSentenceIDs = sortedSentenceDic.Select(e => e.Key).ToList();
// Get the confing data.
List<uint> sentencCountList = ReadConfigFile(configFile, (uint)orderedSentenceIDs.Count);
using (FileStream readerStream = File.Open(wveFile, FileMode.Open))
{
BinaryReader reader = new BinaryReader(readerStream);
// load header
VoiceFontHeader fontHeader = new VoiceFontHeader();
fontHeader.Load(reader);
PrintLog("[Totoal Frame in each new VWF file.]", true);
// the data offset from the header
long dataOffSet = reader.BaseStream.Position;
uint outputFileSuffix = 0;
uint readFrameNumber = 0;
int curSplitSegmentIndex = 0;
for (int index = 0; index <= orderedSentenceIDs.Count; index++)
{
if (index < sentencCountList[curSplitSegmentIndex])
{
untFrameUpdateList.Add(orderedSentenceIDs[index], curFillFrameCount);
continue;
}
curSplitSegmentIndex++;
string newWVEFileName = Path.Combine(outputFolder, Path.GetFileNameWithoutExtension(wveFile) + "_" + outputFileSuffix.ToString() + ".wve");
PrintLog(string.Format("{0} Frame Update Count: {1}", Path.GetFileName(newWVEFileName), curFillFrameCount), true);
using (FileStream wveFileStream = File.Open(newWVEFileName, FileMode.Create))
{
BinaryWriter wveWriter = new BinaryWriter(wveFileStream);
fontHeader.Save(wveWriter);
long writerOffSet = wveWriter.BaseStream.Position;
// calculate lenth
long length = 0;
uint frameCount = 0;
if (index == orderedSentenceIDs.Count)
{
length = reader.BaseStream.Length - reader.BaseStream.Position;
frameCount = (uint)(length / bytesPerFrame);
}
else
{
// Get all candidate which are got from the specfied sentenc and sorted by frame index.
string endSentenceID = orderedSentenceIDs[index];
List<WaveCandidateInfo> endSenteceWaveInfo = indexFile.WaveCandidates.SelectMany(c => c.Value.Where(p => p.Value.SentenceId == endSentenceID))
.Select(i => i.Value).SortBy(k => k.FrameIndexInSentence).ToList();
// Get the end candiate in the specifid sentence.
WaveCandidateInfo firstWaveCandidate = endSenteceWaveInfo[0];
frameCount = firstWaveCandidate.FrameIndex - firstWaveCandidate.FrameIndexInSentence - readFrameNumber;
length = bytesPerFrame * frameCount;
readFrameNumber = firstWaveCandidate.FrameIndex - firstWaveCandidate.FrameIndexInSentence;
}
// we need calculate how many bit will be filled into the WVE when it will be commpressed.
// 640 bit will be used in the compress tool, so we will reference this.
uint byteGap = (uint)((CompressFrameSize - (length % CompressFrameSize)) % CompressFrameSize);
uint updateFrameCount = (byteGap / bytesPerFrame) % compressFrameCount;
curFillFrameCount += updateFrameCount;
reader.BaseStream.Seek(dataOffSet, SeekOrigin.Begin);
byte[] data = reader.ReadBytes((int)length);
wveWriter.Write(data);
// fill data if the length can't be exact division.
if (bFillData)
{
FillSilenceData(wveWriter, byteGap);
}
// save the header file
fontHeader.DataSize = (ulong)(wveWriter.BaseStream.Position - writerOffSet);
SaveFontHeader(fontHeader, wveWriter);
dataOffSet = reader.BaseStream.Position;
PrintLog(string.Format("{0} Total Frame Count: {1} + {2}", Path.GetFileName(newWVEFileName), frameCount, updateFrameCount.ToString()), true);
PrintLog(string.Empty, true);
// recode the new file path.
newWVEFileList.Add(newWVEFileName);
if (index != orderedSentenceIDs.Count)
{
acdFrameUpdateList.Add(orderedSentenceIDs[index], curFillFrameCount);
}
}
header.Save(Path.ChangeExtension(newWVEFileName, "wih"));
outputFileSuffix++;
if (index != orderedSentenceIDs.Count)
{
index--;
}
}
}
// update ACD file.
PrintLog("Update ACD file!", true);
UpdateACDFile(indexFile, acdFrameUpdateList, fontPath + ".acd", Path.ChangeExtension(outputUnit, "acd"));
// update index file
PrintLog("Update UNT file!", true);
UpdateIndexingFile(indexFile, untFrameUpdateList);
indexFile.Save(outputUnit);
}
PrintLog("Split successfully!", true);
return newWVEFileList;
}
/// <summary>
/// Compares two UNT files by ignoring builder number.
/// </summary>
/// <param name="left">The left file name of UNT file.</param>
/// <param name="right">The right file name of UNT file.</param>
/// <returns>True if the two UNT file is equal, otherwise false.</returns>
public static bool Compare(string left, string right)
{
using (UnitIndexingFile leftFile = new UnitIndexingFile(null))
{
leftFile.Load(left);
using (UnitIndexingFile rightFile = new UnitIndexingFile(null))
{
rightFile.Load(right);
leftFile.BuildNumber = rightFile.BuildNumber;
string tempFile = left + Path.GetRandomFileName();
try
{
leftFile.Save(tempFile);
return Helper.CompareBinary(tempFile, right);
}
finally
{
Helper.SafeDelete(tempFile);
}
}
}
}