public static AviStream ParseStreamList(ByteVector data) { int num2; if (data == null) { throw new ArgumentNullException("data"); } if (!data.StartsWith("strl")) { return null; } AviStream stream = null; for (int i = 4; (i + 8) < data.Count; i += num2 + 8) { ByteVector id = data.Mid(i, 4); num2 = (int) data.Mid(i + 4, 4).ToUInt(false); if ((id == "strh") && (stream == null)) { AviStreamHeader header = new AviStreamHeader(data, i + 8); if (header.Type == "vids") { stream = new AviVideoStream(header); } else if (header.Type == "auds") { stream = new AviAudioStream(header); } } else if (stream != null) { stream.ParseItem(id, data, i + 8, num2); } } return stream; }
public static AviStream ParseStreamList (ByteVector data) { if (data == null) throw new ArgumentNullException ("data"); AviStream stream = null; int pos = 4; if (data.StartsWith ("strl")) while (pos + 8 < data.Count) { ByteVector id = data.Mid (pos, 4); int block_length = (int) data.Mid (pos + 4, 4).ToUInt (false); if (id == "strh" && stream == null) { AviStreamHeader stream_header = new AviStreamHeader (data, pos + 8); if (stream_header.Type == "vids") stream = new AviVideoStream (stream_header); else if (stream_header.Type == "auds") stream = new AviAudioStream (stream_header); } else if (stream != null) stream.ParseItem (id, data, pos + 8, block_length); pos += block_length + 8; } return stream; }
/// <summary> /// Parses a raw AVI stream list and returns the stream /// information. /// </summary> /// <param name="data"> /// A <see cref="ByteVector" /> object containing raw stream /// list. /// </param> /// <returns> /// A <see cref="AviStream" /> object containing stream /// information. /// </returns> public static AviStream ParseStreamList(ByteVector data) { if (data == null) { throw new ArgumentNullException("data"); } if (!data.StartsWith("strl")) { return(null); } AviStream stream = null; int pos = 4; while (pos + 8 < data.Count) { ByteVector id = data.Mid(pos, 4); int block_length = (int)data.Mid(pos + 4, 4) .ToUInt(false); if (id == "strh" && stream == null) { AviStreamHeader stream_header = new AviStreamHeader(data, pos + 8); if (stream_header.Type == "vids") { stream = new AviVideoStream( stream_header); } else if (stream_header.Type == "auds") { stream = new AviAudioStream( stream_header); } } else if (stream != null) { stream.ParseItem(id, data, pos + 8, block_length); } pos += block_length + 8; } return(stream); }