diff options
Diffstat (limited to 'usr.bin/aucat/afile.h')
| -rw-r--r-- | usr.bin/aucat/afile.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/usr.bin/aucat/afile.h b/usr.bin/aucat/afile.h new file mode 100644 index 00000000000..4966ed3aa25 --- /dev/null +++ b/usr.bin/aucat/afile.h @@ -0,0 +1,55 @@ +/* $OpenBSD: afile.h,v 1.1 2015/01/21 08:43:55 ratchov Exp $ */ +/* + * Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef WAV_H +#define WAV_H + +#include <sys/types.h> +#include "dsp.h" + +struct afile { + struct aparams par; /* file params */ +#define AFILE_FMT_PCM 0 /* integers (fixed point) */ +#define AFILE_FMT_ULAW 1 /* 8-bit mu-law */ +#define AFILE_FMT_ALAW 2 /* 8-bit a-law */ +#define AFILE_FMT_FLOAT 3 /* IEEE 754 32-bit floats */ + int fmt; /* one of above */ + int rate; /* file sample rate */ + int nch; /* file channel count */ +#define AFILE_HDR_AUTO 0 /* guess from file name */ +#define AFILE_HDR_RAW 1 /* headerless aka "raw" file */ +#define AFILE_HDR_WAV 2 /* microsoft .wav */ +#define AFILE_HDR_AIFF 3 /* apple .aiff */ +#define AFILE_HDR_AU 4 /* sun/next .au */ + int hdr; /* header type */ + int fd; /* file descriptor */ +#define AFILE_FREAD 1 /* open for reading */ +#define AFILE_FWRITE 2 /* open for writing */ + int flags; /* bitmap of above */ + off_t curpos; /* read/write position (bytes) */ + off_t startpos; /* where payload starts */ + off_t endpos; /* where payload ends */ + off_t maxpos; /* max allowed pos (.wav limitation) */ + char *path; /* file name (debug only) */ +}; + +int afile_open(struct afile *, char *, int, int, struct aparams *, int, int); +size_t afile_read(struct afile *, void *, size_t); +size_t afile_write(struct afile *, void *, size_t); +int afile_seek(struct afile *, off_t); +void afile_close(struct afile *); + +#endif /* !defined(WAV_H) */ |