code.delx.au - pulseaudio/blob - src/pulsecore/sconv-s16le.h

   1 #ifndef foosconv_s16lefoo
   2 #define foosconv_s16lefoo
   3
   4 /***
   5   This file is part of PulseAudio.
   6
   7   Copyright 2004-2006 Lennart Poettering
   8
   9   PulseAudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   PulseAudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #include <inttypes.h>
  26
  27 void pa_sconv_s16le_to_float32ne(unsigned n, const int16_t *a, float *b);
  28 void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, int16_t *b);
  29 void pa_sconv_s16le_to_float32re(unsigned n, const int16_t *a, float *b);
  30 void pa_sconv_s16le_from_float32re(unsigned n, const float *a, int16_t *b);
  31
  32 void pa_sconv_s32le_to_float32ne(unsigned n, const int32_t *a, float *b);
  33 void pa_sconv_s32le_from_float32ne(unsigned n, const float *a, int32_t *b);
  34 void pa_sconv_s32le_to_float32re(unsigned n, const int32_t *a, float *b);
  35 void pa_sconv_s32le_from_float32re(unsigned n, const float *a, int32_t *b);
  36
  37 void pa_sconv_s32le_to_s16ne(unsigned n, const int32_t *a, int16_t *b);
  38 void pa_sconv_s32le_from_s16ne(unsigned n, const int16_t *a, int32_t *b);
  39 void pa_sconv_s32le_to_s16re(unsigned n, const int32_t *a, int16_t *b);
  40 void pa_sconv_s32le_from_s16re(unsigned n, const int16_t *a, int32_t *b);
  41
  42 #ifndef WORDS_BIGENDIAN
  43 #define pa_sconv_float32be_to_s16ne pa_sconv_s16le_from_float32re
  44 #define pa_sconv_float32be_from_s16ne pa_sconv_s16le_to_float32re
  45 #define pa_sconv_float32le_to_s16ne pa_sconv_s16le_from_float32ne
  46 #define pa_sconv_float32le_from_s16ne pa_sconv_s16le_to_float32ne
  47
  48 #define pa_sconv_float32be_to_s32ne pa_sconv_s32le_from_float32re
  49 #define pa_sconv_float32be_from_s32ne pa_sconv_s32le_to_float32re
  50 #define pa_sconv_float32le_to_s32ne pa_sconv_s32le_from_float32ne
  51 #define pa_sconv_float32le_from_s32ne pa_sconv_s32le_to_float32ne
  52
  53 #define pa_sconv_s16be_to_s32ne pa_sconv_s32le_from_s16re
  54 #define pa_sconv_s16be_from_s32ne pa_sconv_s32le_to_s16re
  55 #define pa_sconv_s16le_to_s32ne pa_sconv_s32le_from_s16ne
  56 #define pa_sconv_s16le_from_s32ne pa_sconv_s32le_to_s16ne
  57 #endif
  58
  59 #endif