1 /* 2 * Copyright 2003-2021 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 #ifndef MPD_PCM_ORDER_HXX 21 #define MPD_PCM_ORDER_HXX 22 23 #include "SampleFormat.hxx" 24 25 class PcmBuffer; 26 template<typename T> struct ConstBuffer; 27 28 /** 29 * Convert the given buffer from FLAC channel order 30 * (https://xiph.org/flac/format.html) to ALSA channel order. 31 */ 32 ConstBuffer<void> 33 ToAlsaChannelOrder(PcmBuffer &buffer, ConstBuffer<void> src, 34 SampleFormat sample_format, unsigned channels) noexcept; 35 36 #endif 37