MPD 0.17~git
src/pcm_resample_internal.h
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00001 /*
00002  * Copyright (C) 2003-2011 The Music Player Daemon Project
00003  * http://www.musicpd.org
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License along
00016  * with this program; if not, write to the Free Software Foundation, Inc.,
00017  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00018  */
00019 
00027 #ifndef MPD_PCM_RESAMPLE_INTERNAL_H
00028 #define MPD_PCM_RESAMPLE_INTERNAL_H
00029 
00030 #include "check.h"
00031 #include "pcm_resample.h"
00032 
00033 #ifdef HAVE_LIBSAMPLERATE
00034 
00035 bool
00036 pcm_resample_lsr_global_init(const char *converter, GError **error_r);
00037 
00038 void
00039 pcm_resample_lsr_init(struct pcm_resample_state *state);
00040 
00041 void
00042 pcm_resample_lsr_deinit(struct pcm_resample_state *state);
00043 
00044 const float *
00045 pcm_resample_lsr_float(struct pcm_resample_state *state,
00046                        unsigned channels,
00047                        unsigned src_rate,
00048                        const float *src_buffer, size_t src_size,
00049                        unsigned dest_rate, size_t *dest_size_r,
00050                        GError **error_r);
00051 
00052 const int16_t *
00053 pcm_resample_lsr_16(struct pcm_resample_state *state,
00054                     unsigned channels,
00055                     unsigned src_rate,
00056                     const int16_t *src_buffer, size_t src_size,
00057                     unsigned dest_rate, size_t *dest_size_r,
00058                     GError **error_r);
00059 
00060 const int32_t *
00061 pcm_resample_lsr_32(struct pcm_resample_state *state,
00062                     unsigned channels,
00063                     unsigned src_rate,
00064                     const int32_t *src_buffer,
00065                     G_GNUC_UNUSED size_t src_size,
00066                     unsigned dest_rate, size_t *dest_size_r,
00067                     GError **error_r);
00068 
00069 #endif
00070 
00071 void
00072 pcm_resample_fallback_init(struct pcm_resample_state *state);
00073 
00074 void
00075 pcm_resample_fallback_deinit(struct pcm_resample_state *state);
00076 
00077 const int16_t *
00078 pcm_resample_fallback_16(struct pcm_resample_state *state,
00079                          unsigned channels,
00080                          unsigned src_rate,
00081                          const int16_t *src_buffer, size_t src_size,
00082                          unsigned dest_rate,
00083                          size_t *dest_size_r);
00084 
00085 const int32_t *
00086 pcm_resample_fallback_32(struct pcm_resample_state *state,
00087                          unsigned channels,
00088                          unsigned src_rate,
00089                          const int32_t *src_buffer,
00090                          G_GNUC_UNUSED size_t src_size,
00091                          unsigned dest_rate,
00092                          size_t *dest_size_r);
00093 
00094 #endif