00001 /* 00002 * Copyright (C) 2003-2012 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 00020 #ifndef MPD_PCM_DSD_H 00021 #define MPD_PCM_DSD_H 00022 00023 #include "check.h" 00024 #include "pcm_buffer.h" 00025 00026 #include <stdbool.h> 00027 #include <stdint.h> 00028 00032 struct pcm_dsd { 00033 struct pcm_buffer buffer; 00034 00035 struct dsd2pcm_ctx_s *dsd2pcm[32]; 00036 }; 00037 00038 void 00039 pcm_dsd_init(struct pcm_dsd *dsd); 00040 00041 void 00042 pcm_dsd_deinit(struct pcm_dsd *dsd); 00043 00044 void 00045 pcm_dsd_reset(struct pcm_dsd *dsd); 00046 00047 const float * 00048 pcm_dsd_to_float(struct pcm_dsd *dsd, unsigned channels, bool lsbfirst, 00049 const uint8_t *src, size_t src_size, 00050 size_t *dest_size_r); 00051 00052 #endif