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@ -1,4 +1,4 @@ |
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/* $OpenBSD: sndio.h,v 1.4 2010/11/06 20:25:42 ratchov Exp $ */ |
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/* $OpenBSD: sndio.h,v 1.5 2012/04/11 06:05:43 ratchov Exp $ */ |
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/* |
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* Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org> |
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* |
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@ -29,21 +29,21 @@ struct mio_hdl; |
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* parameters of a full-duplex stream |
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*/ |
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struct sio_par { |
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unsigned bits; /* bits per sample */ |
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unsigned bps; /* bytes per sample */ |
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unsigned sig; /* 1 = signed, 0 = unsigned */ |
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unsigned le; /* 1 = LE, 0 = BE byte order */ |
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unsigned msb; /* 1 = MSB, 0 = LSB aligned */ |
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unsigned rchan; /* number channels for recording direction */ |
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unsigned pchan; /* number channels for playback direction */ |
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unsigned rate; /* frames per second */ |
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unsigned bufsz; /* end-to-end buffer size */ |
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unsigned int bits; /* bits per sample */ |
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unsigned int bps; /* bytes per sample */ |
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unsigned int sig; /* 1 = signed, 0 = unsigned */ |
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unsigned int le; /* 1 = LE, 0 = BE byte order */ |
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unsigned int msb; /* 1 = MSB, 0 = LSB aligned */ |
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unsigned int rchan; /* number channels for recording direction */ |
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unsigned int pchan; /* number channels for playback direction */ |
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unsigned int rate; /* frames per second */ |
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unsigned int bufsz; /* end-to-end buffer size */ |
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#define SIO_IGNORE 0 /* pause during xrun */ |
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#define SIO_SYNC 1 /* resync after xrun */ |
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#define SIO_ERROR 2 /* terminate on xrun */ |
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unsigned xrun; /* what to do on overruns/underruns */ |
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unsigned round; /* optimal bufsz divisor */ |
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unsigned appbufsz; /* minimum buffer size */ |
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unsigned int xrun; /* what to do on overruns/underruns */ |
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unsigned int round; /* optimal bufsz divisor */ |
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unsigned int appbufsz; /* minimum buffer size */ |
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int __pad[3]; /* for future use */ |
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int __magic; /* for internal/debug purposes only */ |
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}; |
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@ -57,22 +57,22 @@ struct sio_cap { |
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#define SIO_NRATE 16 |
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#define SIO_NCONF 4 |
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struct sio_enc { /* allowed sample encodings */ |
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unsigned bits; |
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unsigned bps; |
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unsigned sig; |
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unsigned le; |
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unsigned msb; |
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unsigned int bits; |
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unsigned int bps; |
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unsigned int sig; |
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unsigned int le; |
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unsigned int msb; |
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} enc[SIO_NENC]; |
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unsigned rchan[SIO_NCHAN]; /* allowed values for rchan */ |
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unsigned pchan[SIO_NCHAN]; /* allowed values for pchan */ |
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unsigned rate[SIO_NRATE]; /* allowed rates */ |
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unsigned int rchan[SIO_NCHAN]; /* allowed values for rchan */ |
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unsigned int pchan[SIO_NCHAN]; /* allowed values for pchan */ |
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unsigned int rate[SIO_NRATE]; /* allowed rates */ |
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int __pad[7]; /* for future use */ |
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unsigned nconf; /* number of elements in confs[] */ |
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unsigned int nconf; /* number of elements in confs[] */ |
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struct sio_conf { |
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unsigned enc; /* mask of enc[] indexes */ |
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unsigned rchan; /* mask of chan[] indexes (rec) */ |
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unsigned pchan; /* mask of chan[] indexes (play) */ |
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unsigned rate; /* mask of rate[] indexes */ |
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unsigned int enc; /* mask of enc[] indexes */ |
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unsigned int rchan; /* mask of chan[] indexes (rec) */ |
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unsigned int pchan; /* mask of chan[] indexes (play) */ |
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unsigned int rate; /* mask of rate[] indexes */ |
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} confs[SIO_NCONF]; |
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}; |
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@ -112,7 +112,7 @@ extern "C" { |
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struct pollfd; |
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void sio_initpar(struct sio_par *); |
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struct sio_hdl *sio_open(const char *, unsigned, int); |
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struct sio_hdl *sio_open(const char *, unsigned int, int); |
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void sio_close(struct sio_hdl *); |
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int sio_setpar(struct sio_hdl *, struct sio_par *); |
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int sio_getpar(struct sio_hdl *, struct sio_par *); |
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@ -126,10 +126,10 @@ int sio_nfds(struct sio_hdl *); |
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int sio_pollfd(struct sio_hdl *, struct pollfd *, int); |
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int sio_revents(struct sio_hdl *, struct pollfd *); |
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int sio_eof(struct sio_hdl *); |
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int sio_setvol(struct sio_hdl *, unsigned); |
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int sio_onvol(struct sio_hdl *, void (*)(void *, unsigned), void *); |
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int sio_setvol(struct sio_hdl *, unsigned int); |
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int sio_onvol(struct sio_hdl *, void (*)(void *, unsigned int), void *); |
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struct mio_hdl *mio_open(const char *, unsigned, int); |
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struct mio_hdl *mio_open(const char *, unsigned int, int); |
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void mio_close(struct mio_hdl *); |
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size_t mio_write(struct mio_hdl *, const void *, size_t); |
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size_t mio_read(struct mio_hdl *, void *, size_t); |
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