private Int32 writePictures(BinaryWriter w, IList <PictureInfo> pictures, Boolean isLast)
{
var result = 0;
Int64 sizePos, dataPos, finalPos;
Byte blockType;
foreach (var picture in pictures)
{
blockType = META_PICTURE;
if (isLast)
{
blockType = (Byte)(blockType & 0x80);
}
w.Write(blockType);
sizePos = w.BaseStream.Position;
w.Write(new Byte[] { 0, 0, 0 }); // Placeholder for 24-bit integer that will be rewritten at the end of the method
dataPos = w.BaseStream.Position;
vorbisTag.WritePicture(w, picture.PictureData, picture.NativeFormat, ImageUtils.GetMimeTypeFromImageFormat(picture.NativeFormat), picture.PicType.Equals(PictureInfo.PIC_TYPE.Unsupported) ? picture.NativePicCode : ID3v2.EncodeID3v2PictureType(picture.PicType), picture.Description);
finalPos = w.BaseStream.Position;
w.BaseStream.Seek(sizePos, SeekOrigin.Begin);
w.Write(StreamUtils.EncodeBEUInt24((UInt32)(finalPos - dataPos)));
w.BaseStream.Seek(finalPos, SeekOrigin.Begin);
result++;
}
return(result);
}
private int writePictureBlock(BinaryWriter w, PictureInfo picture)
{
long sizePos, dataPos, finalPos;
w.Write(META_PICTURE);
sizePos = w.BaseStream.Position;
w.Write(new byte[] { 0, 0, 0 }); // Placeholder for 24-bit integer that will be rewritten at the end of the method
dataPos = w.BaseStream.Position;
vorbisTag.WritePicture(w, picture.PictureData, picture.NativeFormat, ImageUtils.GetMimeTypeFromImageFormat(picture.NativeFormat), picture.PicType.Equals(PictureInfo.PIC_TYPE.Unsupported) ? picture.NativePicCode : ID3v2.EncodeID3v2PictureType(picture.PicType), picture.Description);
finalPos = w.BaseStream.Position;
w.BaseStream.Seek(sizePos, SeekOrigin.Begin);
w.Write(StreamUtils.EncodeBEUInt24((uint)(finalPos - dataPos)));
w.BaseStream.Seek(finalPos, SeekOrigin.Begin);
return(1);
}
private int writePictures(BinaryWriter w, IList <PictureInfo> pictures, bool isLast)
{
int result = 0;
long sizePos, dataPos, finalPos;
byte blockType;
foreach (PictureInfo picture in pictures)
{
// Picture has either to be supported, or to come from the right tag standard
bool doWritePicture = !picture.PicType.Equals(PictureInfo.PIC_TYPE.Unsupported);
if (!doWritePicture)
{
doWritePicture = (MetaDataIOFactory.TAG_NATIVE == picture.TagType);
}
// It also has not to be marked for deletion
doWritePicture = doWritePicture && (!picture.MarkedForDeletion);
if (doWritePicture)
{
blockType = META_PICTURE;
if (isLast)
{
blockType = (byte)(blockType & 0x80);
}
w.Write(blockType);
sizePos = w.BaseStream.Position;
w.Write(new byte[] { 0, 0, 0 }); // Placeholder for 24-bit integer that will be rewritten at the end of the method
dataPos = w.BaseStream.Position;
vorbisTag.WritePicture(w, picture.PictureData, picture.NativeFormat, ImageUtils.GetMimeTypeFromImageFormat(picture.NativeFormat), picture.PicType.Equals(PictureInfo.PIC_TYPE.Unsupported) ? picture.NativePicCode : ID3v2.EncodeID3v2PictureType(picture.PicType), picture.Description);
finalPos = w.BaseStream.Position;
w.BaseStream.Seek(sizePos, SeekOrigin.Begin);
w.Write(StreamUtils.EncodeBEUInt24((uint)(finalPos - dataPos)));
w.BaseStream.Seek(finalPos, SeekOrigin.Begin);
result++;
}
}
return(result);
}
