public override void ReadBlock(FlvContext context)
{
this.Start = context.CurrentPostion;
var br = context.Reader;
var byts = br.ReadBytes(10);
this.Header = new TagHeader(byts);
this.Size += 11;
}
public override void ReadBlock(FlvContext context)
{
var br = context.Reader;
this.Start = context.CurrentPostion;
this.Size = 4;
this.PreTagSize = br.ReadBytes(4).ToUInt32(false);
context.CurrentPostion += 4;
}
public override void ReadBlock(FlvContext context)
{
var br = context.Reader;
this.Start = context.CurrentPostion;
this.Signature = new string(br.ReadChars(3));
this.Version = Convert.ToInt32(br.ReadByte()).ToString(CultureInfo.InvariantCulture);
var byt = br.ReadByte();
this.Reserve5 = byt & 0xF8;
this.HasAudio = (byt & 0x04) > 0;
this.Reserve7 = byt & 0x02;
this.HasVideo = (byt & 0x01) > 0;
this.Size = BitConverter.ToUInt32(br.ReadBytes(4).Reverse().ToArray(), 0);
context.CurrentPostion += this.Size;
}
public override void ReadBlock(FlvContext context)
{
this.Start = context.CurrentPostion;
var br = context.Reader;
this.Tags = new List<FlvTag>();
var flag = true;
while (br.BaseStream.Position < br.BaseStream.Length)
{
if (flag)
{
var tagSizeBlock = new TagSizeBlock();
tagSizeBlock.ReadBlock(context);
this.Size = this.Size + tagSizeBlock.Size + tagSizeBlock.PreTagSize;
}
else
{
var key = br.ReadByte();
var tag = this.GetTag(key);
tag.ReadBlock(context);
this.Tags.Add(tag);
}
flag = !flag;
}
}
public FlvInfo(Stream stream)
{
context = new FlvContext(stream);
Analyze(false);
}
public FlvInfo(string path)
{
context = new FlvContext(path);
Analyze(true);
}
public MetaData(FlvContext context, uint size)
{
this.size = size;
this.offset = 0;
this.Values = new List<KeyValuePair<string, object>>();
var br = context.Reader;
this.AddElement(ReadElement(br).ToString(), ReadElement(br));//读完onMetaData
//while (offset < size)
//{
// var byts = br.ReadBytes(3);
// if (byts[0] == 0 && byts[1] == 0 && byts[2] == 9)
// {
// offset += 3;
// break;
// }
// br.BaseStream.Seek(-3, SeekOrigin.Current);
// AddElement("#" + offset, ReadElement(br));
//}
}