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;
}
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;
}
/// <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);
}
public AviVideoStream (AviStreamHeader stream_header) : base (stream_header)
{
}
public AviAudioStream (AviStreamHeader stream_header) : base (stream_header)
{
}
protected AviStream (AviStreamHeader header)
{
this.header = header;
}
/// <summary>
/// Constructs and intializes a new instance of <see
/// cref="AviVideoStream" /> with a specified stream header.
/// </summary>
/// <param name="header">
/// A <see cref="AviStreamHeader"/> object containing the
/// stream's header.
/// </param>
public AviVideoStream (AviStreamHeader header)
: base (header)
{
}
/// <summary>
/// Constructs and intializes a new instance of <see
/// cref="AviAudioStream" /> with a specified stream header.
/// </summary>
/// <param name="header">
/// A <see cref="AviStreamHeader"/> object containing the
/// stream's header.
/// </param>
public AviAudioStream (AviStreamHeader header)
: base (header)
{
}
public AviAudioStream(AviStreamHeader stream_header) : base(stream_header)
{
}
protected AviStream(AviStreamHeader header)
{
this.header = header;
}
public AviVideoStream(AviStreamHeader stream_header) : base(stream_header)
{
}
/// <summary>
/// Constructs and intializes a new instance of <see
/// cref="AviVideoStream" /> with a specified stream header.
/// </summary>
/// <param name="header">
/// A <see cref="AviStreamHeader"/> object containing the
/// stream's header.
/// </param>
public AviVideoStream(AviStreamHeader header)
: base(header)
{
}
/// <summary>
/// Constructs and intializes a new instance of <see
/// cref="AviAudioStream" /> with a specified stream header.
/// </summary>
/// <param name="header">
/// A <see cref="AviStreamHeader"/> object containing the
/// stream's header.
/// </param>
public AviAudioStream(AviStreamHeader header)
: base(header)
{
}
/// <summary>
/// Constructs and intializes a new instance of <see
/// cref="AviStream" /> with a specified stream header.
/// </summary>
/// <param name="header">
/// A <see cref="AviStreamHeader"/> object containing the
/// stream's header.
/// </param>
protected AviStream(AviStreamHeader header)
{
Header = header;
}
