common/JackLibSampleRateResampler.h

   1 /*
   2 Copyright (C) 2008 Grame
   3
   4 This program is free software; you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License as published by
   6 the Free Software Foundation; either version 2 of the License, or
   7 (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __JackLibSampleRateResampler__
  21 #define __JackLibSampleRateResampler__
  22
  23 #include "JackResampler.h"
  24 #include <samplerate.h>
  25
  26 namespace Jack
  27 {
  28
  29 /*!
  30 \brief Resampler using "libsamplerate" (http://www.mega-nerd.com/SRC/).
  31 */
  32
  33 class JackLibSampleRateResampler : public JackResampler
  34 {
  35
  36     private:
  37
  38         SRC_STATE* fResampler;
  39
  40     public:
  41
  42         JackLibSampleRateResampler();
  43         JackLibSampleRateResampler(unsigned int quality);
  44         virtual ~JackLibSampleRateResampler();
  45
  46         unsigned int ReadResample(jack_default_audio_sample_t* buffer, unsigned int frames);
  47         unsigned int WriteResample(jack_default_audio_sample_t* buffer, unsigned int frames);
  48
  49         void Reset(unsigned int new_size);
  50
  51     };
  52 }
  53
  54 #endif