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/*
* ADLMIDI Player is a free MIDI player based on a libADLMIDI,
* a Software MIDI synthesizer library with OPL3 emulation
*
* Original ADLMIDI code: Copyright (c) 2010-2014 Joel Yliluoma <bisqwit@iki.fi>
* ADLMIDI Library API: Copyright (c) 2015-2025 Vitaly Novichkov <admin@wohlnet.ru>
*
* Library is based on the ADLMIDI, a MIDI player for Linux and Windows with OPL3 emulation:
* http://iki.fi/bisqwit/source/adlmidi.html
*
* 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 3 of the License, or
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifdef __cplusplus
extern "C"
{
#endif
typedef void (*AudioOutputCallback)(void *, unsigned char *stream, int len);
struct AudioOutputSpec
{
unsigned int freq;
unsigned short format;
unsigned short is_msb;
unsigned short samples;
unsigned char channels;
};
extern int audio_init(struct AudioOutputSpec *in_spec, struct AudioOutputSpec *out_obtained, AudioOutputCallback callback);
extern void audio_close(void);
extern const char* audio_get_error(void);
extern void audio_start(void);
extern void audio_stop(void);
extern void audio_lock(void);
extern void audio_unlock(void);
extern void audio_delay(unsigned int ms);
extern void* audio_mutex_create(void);
extern void audio_mutex_destroy(void *m);
extern void audio_mutex_lock(void *m);
extern void audio_mutex_unlock(void *m);
#ifdef __cplusplus
}
#endif
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