From 15e432204e62dd5a1c873af13a679195b9645b0c Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Tue, 27 Oct 2015 00:22:22 +0100 Subject: pcm/Order: new library to convert from FLAC to ALSA channel order This new library is integrated in the PcmExport class and (if enabled) converts MPD's channel order (= FLAC channel order) to ALSA channel order. This fixes: http://bugs.musicpd.org/view.php?id=3147 and http://bugs.musicpd.org/view.php?id=3255 --- src/pcm/Order.hxx | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/pcm/Order.hxx (limited to 'src/pcm/Order.hxx') diff --git a/src/pcm/Order.hxx b/src/pcm/Order.hxx new file mode 100644 index 000000000..14bfa2382 --- /dev/null +++ b/src/pcm/Order.hxx @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2003-2015 The Music Player Daemon Project + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_PCM_ORDER_HXX +#define MPD_PCM_ORDER_HXX + +#include "check.h" +#include "AudioFormat.hxx" + +class PcmBuffer; +template struct ConstBuffer; + +/** + * Convert the given buffer from FLAC channel order + * (https://xiph.org/flac/format.html) to ALSA channel order. + */ +ConstBuffer +ToAlsaChannelOrder(PcmBuffer &buffer, ConstBuffer src, + SampleFormat sample_format, unsigned channels); + +#endif -- cgit v1.2.3