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64 lines
2.0 KiB
64 lines
2.0 KiB
/* |
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* audio_out.h |
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* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org> |
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* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> |
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* |
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* This file is part of a52dec, a free ATSC A-52 stream decoder. |
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* See http://liba52.sourceforge.net/ for updates. |
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* |
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* a52dec is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* a52dec is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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typedef struct ao_instance_s ao_instance_t; |
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struct ao_instance_s { |
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int (* setup) (ao_instance_t * instance, int sample_rate, int * flags, |
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sample_t * level, sample_t * bias); |
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int (* play) (ao_instance_t * instance, int flags, sample_t * samples); |
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void (* close) (ao_instance_t * instance); |
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}; |
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typedef ao_instance_t * ao_open_t (void); |
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typedef struct ao_driver_s { |
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char * name; |
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ao_open_t * open; |
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} ao_driver_t; |
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/* return NULL terminated array of all drivers */ |
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ao_driver_t * ao_drivers (void); |
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static inline ao_instance_t * ao_open (ao_open_t * open) |
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{ |
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return open (); |
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} |
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static inline int ao_setup (ao_instance_t * instance, int sample_rate, |
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int * flags, sample_t * level, sample_t * bias) |
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{ |
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return instance->setup (instance, sample_rate, flags, level, bias); |
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} |
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static inline int ao_play (ao_instance_t * instance, int flags, |
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sample_t * samples) |
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{ |
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return instance->play (instance, flags, samples); |
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} |
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static inline void ao_close (ao_instance_t * instance) |
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{ |
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if (instance->close) |
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instance->close (instance); |
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}
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