src/pcm_resample_internal.h

   1 /*
   2  * Copyright (C) 2003-2010 The Music Player Daemon Project
   3  * http://www.musicpd.org
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 /** \file
  21  *
  22  * Internal declarations for the pcm_resample library.  The "internal"
  23  * resampler is called "fallback" in the MPD source, so the file name
  24  * of this header is somewhat unrelated to it.
  25  */
  26
  27 #ifndef MPD_PCM_RESAMPLE_INTERNAL_H
  28 #define MPD_PCM_RESAMPLE_INTERNAL_H
  29
  30 #include "check.h"
  31 #include "pcm_resample.h"
  32
  33 #ifdef HAVE_LIBSAMPLERATE
  34
  35 void
  36 pcm_resample_lsr_deinit(struct pcm_resample_state *state);
  37
  38 const int16_t *
  39 pcm_resample_lsr_16(struct pcm_resample_state *state,
  40                     uint8_t channels,
  41                     unsigned src_rate,
  42                     const int16_t *src_buffer, size_t src_size,
  43                     unsigned dest_rate, size_t *dest_size_r,
  44                     GError **error_r);
  45
  46 const int32_t *
  47 pcm_resample_lsr_32(struct pcm_resample_state *state,
  48                     uint8_t channels,
  49                     unsigned src_rate,
  50                     const int32_t *src_buffer,
  51                     G_GNUC_UNUSED size_t src_size,
  52                     unsigned dest_rate, size_t *dest_size_r,
  53                     GError **error_r);
  54
  55 #endif
  56
  57 void
  58 pcm_resample_fallback_deinit(struct pcm_resample_state *state);
  59
  60 const int16_t *
  61 pcm_resample_fallback_16(struct pcm_resample_state *state,
  62                          uint8_t channels,
  63                          unsigned src_rate,
  64                          const int16_t *src_buffer, size_t src_size,
  65                          unsigned dest_rate,
  66                          size_t *dest_size_r);
  67
  68 const int32_t *
  69 pcm_resample_fallback_32(struct pcm_resample_state *state,
  70                          uint8_t channels,
  71                          unsigned src_rate,
  72                          const int32_t *src_buffer,
  73                          G_GNUC_UNUSED size_t src_size,
  74                          unsigned dest_rate,
  75                          size_t *dest_size_r);
  76
  77 #endif