public static void WriteTagV2(byte[] raw, FileInfo file, Rewriter.Strategy strategy = Rewriter.Strategy.Exact)
{
CheckTagSizeV2(raw);
CheckMpegOffset(file);
using (VirtualDriveLock fileLock = new VirtualDriveLock(file.FullName, AccessObserver.AccessType.Write))
{
if (VirtualDrive.ExistsFile(file.FullName))
{
Rewriter rewriter = new Rewriter(strategy);
int padding = rewriter.Rewrite(raw.Length, file);
if (padding != TagSize(raw))
{
raw = RecreateTagWithNewTagSize(raw, padding);
}
}
using (BinaryWriter writer = OpenWriter(file))
{
writer.Write(raw);
}
}
CheckMpegOffset(file);
}
public static void WriteTagV2(Tag tag, FileInfo file, Rewriter.Strategy strategy = Rewriter.Strategy.Exact)
{
Debug.Assert(tag.DescriptionMap.Version != Version.v1_0);
using (VirtualDriveLock fileLock = new VirtualDriveLock(file.FullName, AccessObserver.AccessType.Write))
{
int tagSize = TagSize(tag);
tag.Codec.Header.Size = tagSize - tag.Codec.Header.HeaderSize;
if (VirtualDrive.ExistsFile(file.FullName))
{
Rewriter rewriter = new Rewriter(strategy);
int padding = rewriter.Rewrite(tagSize, file);
if (padding != tagSize)
{
tag.Codec.Header.Size = padding - tag.Codec.Header.HeaderSize;
}
}
using (Writer writer = new Writer(file))
{
tag.Write(writer);
}
}
}
public static void WriteTag(Tag tag, FileInfo file, Rewriter.Strategy strategy = Rewriter.Strategy.Exact)
{
using (VirtualDriveLock fileLock = new VirtualDriveLock(file.FullName, AccessObserver.AccessType.Write))
{
if (tag.DescriptionMap.Version == Version.v1_0)
{
WriteTagV1(tag, file);
}
else
{
WriteTagV2(tag, file, strategy);
}
}
}
public static void WriteTag(byte[] raw, FileInfo file, Rewriter.Strategy strategy = Rewriter.Strategy.Exact)
{
using (VirtualDriveLock fileLock = new VirtualDriveLock(file.FullName, AccessObserver.AccessType.Write))
{
if (HasTagV1(raw))
{
WriteTagV1(raw, file);
}
else if (HasTagV2(raw))
{
WriteTagV2(raw, file, strategy);
}
else
{
StripTags(file, 0, 0);
}
}
CheckMpegOffset(file);
}
public static void WriteTagV1(Tag tag, FileInfo file)
{
using (VirtualDriveLock fileLock = new VirtualDriveLock(file.FullName, AccessObserver.AccessType.Write))
{
bool existingTag = HasTagV1(file);
long fileLength = VirtualDrive.FileLength(file.FullName);
using (Writer writer = new Writer(file))
{
if (existingTag)
{
writer.Seek(fileLength - HeaderV1.totalSize, SeekOrigin.Begin);
}
else
{
writer.Seek(fileLength, SeekOrigin.Begin);
}
tag.Write(writer);
}
}
}
public static void WriteTagV1(byte[] raw, FileInfo file)
{
using (VirtualDriveLock fileLock = new VirtualDriveLock(file.FullName, AccessObserver.AccessType.Write))
{
bool existingTag = HasTagV1(file);
long fileLength = VirtualDrive.FileLength(file.FullName);
using (BinaryWriter writer = OpenWriter(file))
{
if (existingTag)
{
writer.BaseStream.Seek(fileLength - HeaderV1.totalSize, SeekOrigin.Begin);
}
else
{
writer.BaseStream.Seek(fileLength, SeekOrigin.Begin);
}
writer.Write(raw);
}
}
CheckMpegOffset(file);
}
