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			98 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef foochannelmaphfoo
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#define foochannelmaphfoo
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/* $Id$ */
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/***
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  This file is part of polypaudio.
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  polypaudio is free software; you can redistribute it and/or modify
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  it under the terms of the GNU Lesser General Public License as published
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  by the Free Software Foundation; either version 2 of the License,
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  or (at your option) any later version.
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  polypaudio is distributed in the hope that it will be useful, but
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  WITHOUT ANY WARRANTY; without even the implied warranty of
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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  General Public License for more details.
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  You should have received a copy of the GNU Lesser General Public License
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  along with polypaudio; if not, write to the Free Software
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  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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  USA.
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***/
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#include <polyp/sample.h>
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#include <polyp/cdecl.h>
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/** \file
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 * Constants and routines for channel mapping handling */
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PA_C_DECL_BEGIN
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typedef enum {
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    PA_CHANNEL_POSITION_INVALID = -1,
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    PA_CHANNEL_POSITION_MONO = 0,
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    PA_CHANNEL_POSITION_LEFT,
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    PA_CHANNEL_POSITION_RIGHT,
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    PA_CHANNEL_POSITION_FRONT_CENTER,
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    PA_CHANNEL_POSITION_FRONT_LEFT = PA_CHANNEL_POSITION_LEFT,
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    PA_CHANNEL_POSITION_FRONT_RIGHT = PA_CHANNEL_POSITION_RIGHT,
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    PA_CHANNEL_POSITION_REAR_CENTER,
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    PA_CHANNEL_POSITION_REAR_LEFT,
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    PA_CHANNEL_POSITION_REAR_RIGHT,
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    PA_CHANNEL_POSITION_LFE,
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    PA_CHANNEL_POSITION_SUBWOOFER = PA_CHANNEL_POSITION_LFE,
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    PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
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    PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
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    PA_CHANNEL_POSITION_SIDE_LEFT,
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    PA_CHANNEL_POSITION_SIDE_RIGHT,
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    PA_CHANNEL_POSITION_AUX0,
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    PA_CHANNEL_POSITION_AUX1,
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    PA_CHANNEL_POSITION_AUX2,
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    PA_CHANNEL_POSITION_AUX3,
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    PA_CHANNEL_POSITION_AUX4,
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    PA_CHANNEL_POSITION_AUX5,
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    PA_CHANNEL_POSITION_AUX6,
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    PA_CHANNEL_POSITION_AUX7,
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    PA_CHANNEL_POSITION_AUX8,
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    PA_CHANNEL_POSITION_AUX9,
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    PA_CHANNEL_POSITION_AUX10,
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    PA_CHANNEL_POSITION_AUX11,
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    PA_CHANNEL_POSITION_AUX12,
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    PA_CHANNEL_POSITION_AUX13,
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    PA_CHANNEL_POSITION_AUX14,
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    PA_CHANNEL_POSITION_AUX15,
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    PA_CHANNEL_POSITION_MAX
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} pa_channel_position_t;
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typedef struct pa_channel_map {
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    uint8_t channels;
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    pa_channel_position_t map[PA_CHANNELS_MAX];
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} pa_channel_map;
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pa_channel_map* pa_channel_map_init(pa_channel_map *m);
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pa_channel_map* pa_channel_map_init_mono(pa_channel_map *m);
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pa_channel_map* pa_channel_map_init_stereo(pa_channel_map *m);
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pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels);
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const char* pa_channel_position_to_string(pa_channel_position_t pos);
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#define PA_CHANNEL_MAP_SNPRINT_MAX 64
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char* pa_channel_map_snprint(char *s, size_t l, const pa_channel_map *map);
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int pa_channel_map_equal(const pa_channel_map *a, const pa_channel_map *b);
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int pa_channel_map_valid(const pa_channel_map *map);
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PA_C_DECL_END
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#endif
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