public int ReadFrame(byte[] buffer, int frame)
{
int n = (int)video_index[frame].len;
AviStream.Seek(video_index[frame].pos, SeekOrigin.Begin);
if (AviStream.Read(buffer, 0, n) != n)
{
throw new AviException("Read Error.");
}
return(n);
}
private void avi_add_chunk(byte[] tag, byte[] data, int length)
{
byte[] c = new byte[8];
/* Copy tag and length int c, so that we need only 1 write system call
* for these two values */
Array.Copy(tag, c, 4);
long2str(c, 4, length);
/* Output tag, length and data, restore previous position
* if the write fails */
length = pad_even(length);
AviStream.Write(c, 0, 8);
AviStream.Write(data, 0, length);
/* Update file position */
pos += 8 + length;
//return 0;
}
