code.delx.au - pulseaudio/blob - src/modules/echo-cancel/adrian.h

   1 /***
   2     This file is part of PulseAudio.
   3
   4     Copyright 2010 Arun Raghavan <arun.raghavan@collabora.co.uk>
   5
   6     The actual implementation is taken from the sources at
   7     http://andreadrian.de/intercom/ - for the license, look for
   8     adrian-license.txt in the same directory as this file.
   9
  10     PulseAudio is free software; you can redistribute it and/or modify
  11     it under the terms of the GNU Lesser General Public License as published
  12     by the Free Software Foundation; either version 2.1 of the License,
  13     or (at your option) any later version.
  14
  15     PulseAudio is distributed in the hope that it will be useful, but
  16     WITHOUT ANY WARRANTY; without even the implied warranty of
  17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18     General Public License for more details.
  19
  20     You should have received a copy of the GNU Lesser General Public License
  21     along with PulseAudio; if not, write to the Free Software
  22     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  23     USA.
  24 ***/
  25
  26 /* Forward declarations */
  27
  28 typedef struct AEC AEC;
  29
  30 AEC* AEC_init(int RATE, int have_vector);
  31 void AEC_done(AEC *a);
  32 int AEC_doAEC(AEC *a, int d_, int x_);