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2 pj 1
/*
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 * Audio 'LIB' defines
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 */
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enum { AUDIO_OUT_HEADPHONES,AUDIO_OUT_INTERNAL_SPEAKER,AUDIO_OUT_LINE_OUT };
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enum { DECODE_TEST, DECODE_AUDIO, DECODE_STDOUT, DECODE_BUFFER };
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#define AUDIO_FORMAT_SIGNED_16    0x1
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#define AUDIO_FORMAT_UNSIGNED_8   0x2
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#define AUDIO_FORMAT_SIGNED_8     0x4
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#define AUDIO_FORMAT_ULAW_8       0x8
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#define AUDIO_FORMAT_ALAW_8       0x10
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#if defined(HPUX) || defined(SUNOS) || defined(SOLARIS) || defined(VOXWARE)
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#define AUDIO_USES_FD
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#endif
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struct audio_info_struct
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{
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#ifdef AUDIO_USES_FD
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  int fn; /* filenumber */
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#endif
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#ifdef SGI
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  ALconfig config;
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  ALport port;
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#endif
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  long rate;
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  int gain;
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  int output;
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  char *device;
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  int channels;
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  int format;
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};
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extern int audio_play_samples(struct audio_info_struct *,unsigned char *,int);
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extern int audio_open(struct audio_info_struct *);
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extern int audio_reset_parameters(struct audio_info_struct *);
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extern int audio_rate_best_match(struct audio_info_struct *ai);
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extern int audio_set_rate(struct audio_info_struct *);
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extern int audio_set_format(struct audio_info_struct *);
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extern int audio_get_formats(struct audio_info_struct *);
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extern int audio_set_channels(struct audio_info_struct *);
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extern int audio_write_sample(struct audio_info_struct *,short *,int);
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extern int audio_close(struct audio_info_struct *);
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extern void audio_info_struct_init(struct audio_info_struct *);
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#ifdef SOLARIS
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extern void audio_queueflush(struct audio_info_struct *ai);
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#endif