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 00020 #ifndef PCM_CONVERT_H 00021 #define PCM_CONVERT_H 00022 00023 #include "pcm_dsd.h" 00024 #include "pcm_resample.h" 00025 #include "pcm_dither.h" 00026 #include "pcm_buffer.h" 00027 00028 struct audio_format; 00029 00035 struct pcm_convert_state { 00036 struct pcm_dsd dsd; 00037 00038 struct pcm_resample_state resample; 00039 00040 struct pcm_dither dither; 00041 00043 struct pcm_buffer format_buffer; 00044 00046 struct pcm_buffer channels_buffer; 00047 }; 00048 00049 static inline GQuark 00050 pcm_convert_quark(void) 00051 { 00052 return g_quark_from_static_string("pcm_convert"); 00053 } 00054 00058 void pcm_convert_init(struct pcm_convert_state *state); 00059 00064 void pcm_convert_deinit(struct pcm_convert_state *state); 00065 00070 void 00071 pcm_convert_reset(struct pcm_convert_state *state); 00072 00086 const void * 00087 pcm_convert(struct pcm_convert_state *state, 00088 const struct audio_format *src_format, 00089 const void *src, size_t src_size, 00090 const struct audio_format *dest_format, 00091 size_t *dest_size_r, 00092 GError **error_r); 00093 00094 #endif