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#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 <polyp/sample.h>
#include <polyp/cdecl.h>
/** \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_POSITION_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_AUX0,
PA_CHANNEL_POSITION_AUX1,
PA_CHANNEL_POSITION_AUX2,
PA_CHANNEL_POSITION_AUX3,
PA_CHANNEL_POSITION_AUX4,
PA_CHANNEL_POSITION_AUX5,
PA_CHANNEL_POSITION_AUX6,
PA_CHANNEL_POSITION_AUX7,
PA_CHANNEL_POSITION_AUX8,
PA_CHANNEL_POSITION_AUX9,
PA_CHANNEL_POSITION_AUX10,
PA_CHANNEL_POSITION_AUX11,
PA_CHANNEL_POSITION_AUX12,
PA_CHANNEL_POSITION_AUX13,
PA_CHANNEL_POSITION_AUX14,
PA_CHANNEL_POSITION_AUX15,
PA_CHANNEL_POSITION_MAX
} pa_channel_position_t;
typedef struct pa_channel_map {
uint8_t channels;
pa_channel_position_t map[PA_CHANNELS_MAX];
} pa_channel_map;
pa_channel_map* pa_channel_map_init(pa_channel_map *m);
pa_channel_map* pa_channel_map_init_mono(pa_channel_map *m);
pa_channel_map* pa_channel_map_init_stereo(pa_channel_map *m);
pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels);
const char* pa_channel_position_to_string(pa_channel_position_t pos);
#define PA_CHANNEL_MAP_SNPRINT_MAX 64
char* pa_channel_map_snprint(char *s, size_t l, const pa_channel_map *map);
int pa_channel_map_equal(const pa_channel_map *a, const pa_channel_map *b);
int pa_channel_map_valid(const pa_channel_map *map);
PA_C_DECL_END
#endif
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