internal static FLVHeader ReadHeader(Stream stream)
{
FLVHeader header = new FLVHeader();
byte[] buffer = new byte[4];
stream.Read(header.signature, 0, 3);
stream.Read(buffer, 0, 1);
header.version = buffer[0];
stream.Read(buffer, 0, 1);
header.typeflag = buffer[0];
try {
header.dataoffset = (int)ByteUtil.ReadUI32(stream);
} catch { }
return(header);
}
public FlvParser(Stream stream, Predicate <FlvTag> exec)
{
FLVHeader header = FLVHeader.ReadHeader(stream);
if (!header.IsFlv)
{
this.IsFlv = false;
return;
}
this.IsFlv = true;
stream.Seek(header.Length, SeekOrigin.Begin);
Tags = new List <FlvTag>();
FlvTag tag;
while ((tag = FlvTag.ReadTag(stream)) != null)
{
if (tag is ScriptTag)
{
this.MetaTag = tag as ScriptTag;
}
Tags.Add(tag);
if (Duration < tag.TimeStamp)
{
Duration = tag.TimeStamp;
}
if (exec != null)
{
if (!exec(tag))
{
break;
}
}
}
if (Tags.Count > 1)
{
this.Length = stream.Length - Tags[1].Offset + 11; //+ FlvMain.c_HeaderSize;
this.Rate = (this.Duration == 0 ? 0 : this.Length * 8 / this.Duration);
}
}
public FlvInfo()
{
Header = new FLVHeader();
TagList = new List <FLVTag>();
}
internal static FLVHeader ReadHeader(Stream stream)
{
FLVHeader header = new FLVHeader();
byte[] buffer = new byte[4];
stream.Read(header.signature, 0, 3);
stream.Read(buffer, 0, 1);
header.version = buffer[0];
stream.Read(buffer, 0, 1);
header.typeflag = buffer[0];
try {
header.dataoffset = (int)ByteUtil.ReadUI32(stream);
} catch { }
return header;
}
public FlvInfo()
{
Header = new FLVHeader();
TagList = new List<FLVTag>();
}