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/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** A class which can be fed a stream of bytes and which can
* delay them by a positive or negative amount.
*/
class DelayLine
{
public:
DelayLine (int);
~DelayLine ();
int feed (uint8_t *, int);
void get_remaining (uint8_t *);
private:
int _delay; ///< delay in bytes, +ve to move data later
uint8_t* _buffer; ///< buffer for +ve delays, or 0
int _negative_delay_remaining; ///< number of bytes of negative delay that remain to emit
};
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