public void ReadPicture(Stream s, ReadTagParams readTagParams)
{
int picturePosition;
long initPosition = s.Position;
VorbisMetaDataBlockPicture block = ReadMetadataBlockPicture(s);
if (block.picType.Equals(PictureInfo.PIC_TYPE.Unsupported))
{
addPictureToken(getImplementedTagType(), (byte)block.nativePicCode);
picturePosition = takePicturePosition(getImplementedTagType(), (byte)block.nativePicCode);
}
else
{
addPictureToken(block.picType);
picturePosition = takePicturePosition(block.picType);
}
if (readTagParams.ReadPictures)
{
s.Seek(initPosition + block.picDataOffset, SeekOrigin.Begin);
PictureInfo picInfo = PictureInfo.fromBinaryData(s, block.picDataLength, block.picType, getImplementedTagType(), block.nativePicCode, picturePosition);
picInfo.Description = block.description;
tagData.Pictures.Add(picInfo);
if (!tagExists)
{
tagExists = true;
}
}
}
public void ReadPicture(Stream s, ReadTagParams readTagParams)
{
int picturePosition;
long initPosition = s.Position;
VorbisMetaDataBlockPicture block = ReadMetadataBlockPicture(s);
if (block.picType.Equals(PictureInfo.PIC_TYPE.Unsupported))
{
addPictureToken(getImplementedTagType(), (byte)block.nativePicCode);
picturePosition = takePicturePosition(getImplementedTagType(), (byte)block.nativePicCode);
}
else
{
addPictureToken(block.picType);
picturePosition = takePicturePosition(block.picType);
}
if (readTagParams.ReadPictures || readTagParams.PictureStreamHandler != null)
{
PictureInfo picInfo = new PictureInfo(ImageUtils.GetImageFormatFromMimeType(block.mimeType), block.picType, getImplementedTagType(), block.nativePicCode, picturePosition);
picInfo.Description = block.description;
picInfo.PictureData = new byte[block.picDataLength];
s.Seek(initPosition + block.picDataOffset, SeekOrigin.Begin);
s.Read(picInfo.PictureData, 0, block.picDataLength);
tagData.Pictures.Add(picInfo);
if (!tagExists)
{
tagExists = true;
}
if (readTagParams.PictureStreamHandler != null)
{
MemoryStream mem = new MemoryStream(picInfo.PictureData);
readTagParams.PictureStreamHandler(ref mem, picInfo.PicType, picInfo.NativeFormat, picInfo.TagType, picInfo.NativePicCode, picInfo.Position);
mem.Close();
}
}
}
// ---------- SPECIFIC MEMBERS
public static VorbisMetaDataBlockPicture ReadMetadataBlockPicture(Stream s)
{
VorbisMetaDataBlockPicture result = new VorbisMetaDataBlockPicture();
int stringLen;
BinaryReader r = new BinaryReader(s);
result.nativePicCode = StreamUtils.ReverseInt32(r.ReadInt32());
result.picType = ID3v2.DecodeID3v2PictureType(result.nativePicCode);
stringLen = StreamUtils.ReverseInt32(r.ReadInt32());
result.mimeType = Utils.Latin1Encoding.GetString(r.ReadBytes(stringLen));
stringLen = StreamUtils.ReverseInt32(r.ReadInt32());
result.description = Encoding.UTF8.GetString(r.ReadBytes(stringLen));
result.width = StreamUtils.ReverseInt32(r.ReadInt32());
result.height = StreamUtils.ReverseInt32(r.ReadInt32());
result.colorDepth = StreamUtils.ReverseInt32(r.ReadInt32());
result.colorNum = StreamUtils.ReverseInt32(r.ReadInt32());
result.picDataLength = StreamUtils.ReverseInt32(r.ReadInt32());
result.picDataOffset = 4 + 4 + result.mimeType.Length + 4 + result.description.Length + 4 + 4 + 4 + 4 + 4;
return(result);
}
