/* the Music Player Daemon (MPD) * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) * This project's homepage is: http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef PCM_UTILS_H #define PCM_UTILS_H #include "../config.h" #include "audio.h" #include <stdlib.h> void pcm_volumeChange(char *buffer, int bufferSize, AudioFormat * format, int volume); void pcm_mix(char *buffer1, char *buffer2, size_t bufferSize1, size_t bufferSize2, AudioFormat * format, float portion1); void pcm_convertAudioFormat(AudioFormat * inFormat, char *inBuffer, size_t inSize, AudioFormat * outFormat, char *outBuffer); size_t pcm_sizeOfOutputBufferForAudioFormatConversion(AudioFormat * inFormat, size_t inSize, AudioFormat * outFormat); #endif