/// <summary>
/// Loads flash movie from specified stream.
/// </summary>
/// <param name="input">input stream to load.</param>
/// <param name="options">options to decode tags.</param>
public void Load(Stream input, SwfTagDecodeOptions options)
{
var reader = new SwfReader(input)
{
TagDecodeOptions = options
};
//File Header
var sig = reader.ReadASCII(3);
// "FWS" or "CWS" for ZLIB compressed files (v6.0 or later)
if (sig != "FWS" && sig != "CWS" && sig != "ZWS")
{
throw new BadImageFormatException("Not a valid SWF (Flash) file signature");
}
_version = reader.ReadUInt8(); // file version
reader.FileVersion = _version;
uint fileLength = reader.ReadUInt32(); // file length
//Debug.WriteLine(string.Format("SWF File Length = {0}", fileLength));
// If the file is compressed, this is where the ZLIB decompression ("inflate") begins
if (sig[0] == 'C')
{
reader.Stream = Zip.Uncompress(input);
}
else if (sig[0] == 'Z') // LZMA since v13
{
// reader.Stream = new MemoryStream(Compression.Lzma.Decompress(input));
throw new NotImplementedException();
}
//Movie Header
var frameSize = reader.ReadRect();
_frameSize.Width = frameSize.Width.FromTwips();
_frameSize.Height = frameSize.Height.FromTwips();
_frameRate = reader.ReadFixed16();
_frameCount = reader.ReadUInt16();
//Movie Content
_tags.Read(reader);
}
public SwfMovie(Stream input, SwfTagDecodeOptions decodeOptions)
: this()
{
Load(input, decodeOptions);
}
public SwfMovie(string path, SwfTagDecodeOptions decodeOptions)
: this()
{
Load(path, decodeOptions);
}
/// <summary>
/// Loads flash movie from specified file.
/// </summary>
/// <param name="path">file path to load</param>
/// <param name="options">options to decode tags</param>
public void Load(string path, SwfTagDecodeOptions options)
{
using (var fs = File.OpenRead(path))
Load(fs, options);
}
