#ifndef foochannelmaphfoo #define foochannelmaphfoo /* $Id$ */ /*** This file is part of polypaudio. polypaudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. polypaudio 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 Lesser General Public License along with polypaudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. ***/ #include #include /** \file * Constants and routines for channel mapping handling */ PA_C_DECL_BEGIN typedef enum { PA_CHANNEL_POSITION_INVALID = -1, PA_CHANNEL_POSITION_MONO = 0, PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_FRONT_CENTER, PA_CHANNEL_POSITION_FRONT_LEFT = PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_FRONT_RIGHT = PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_REAR_CENTER, PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT, PA_CHANNEL_POSITION_LFE, PA_CHANNEL_POSITION_SUBWOOFER = PA_CHANNEL_LFE, PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER, PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER, PA_CHANNEL_POSITION_SIDE_LEFT, PA_CHANNEL_POSITION_SIDE_RIGHT, PA_CHANNEL_POSITION_MAX } pa_channel_position_t; struct { pa_channel_position_t map[PA_CHANNELS_MAX]; } pa_channel_map; struct pa_channel_map* pa_channel_map_init(struct pa_channel_map *m); struct pa_channel_map* pa_channel_map_init_mono(struct pa_channel_map *m); struct pa_channel_map* pa_channel_map_init_stereo(struct pa_channel_map *m); struct pa_channel_map* pa_channel_map_init_auto(struct pa_channel_map *m, int channels); const char* pa_channel_position_to_string(pa_channel_position_t pos); int pa_channel_map_equal(struct pa_channel_map *a, struct pa_channel_map *b, int channels) PA_C_DECL_END #endif