| 1 | /* |
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| 2 | Audio File Library |
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| 3 | Copyright (C) 1998-2000, Michael Pruett <michael@68k.org> |
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| 4 | |
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| 5 | This library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Library General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | This library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Library General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Library General Public |
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| 16 | License along with this library; if not, write to the |
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| 17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 18 | Boston, MA 02111-1307 USA. |
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| 19 | */ |
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| 20 | |
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| 21 | /* |
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| 22 | util.h |
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| 23 | |
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| 24 | This file contains some general utility functions for the Audio |
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| 25 | File Library. |
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| 26 | */ |
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| 27 | |
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| 28 | #ifndef UTIL_H |
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| 29 | #define UTIL_H |
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| 30 | |
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| 31 | #include <sys/types.h> |
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| 32 | #include "audiofile.h" |
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| 33 | #include "afinternal.h" |
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| 34 | |
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| 35 | bool _af_filesetup_ok (AFfilesetup setup); |
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| 36 | bool _af_filehandle_ok (AFfilehandle file); |
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| 37 | |
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| 38 | bool _af_filehandle_can_read (AFfilehandle file); |
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| 39 | |
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| 40 | void _af_printid (u_int32_t id); |
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| 41 | void _af_print_filehandle (AFfilehandle filehandle); |
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| 42 | void _af_print_tracks (AFfilehandle filehandle); |
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| 43 | void _af_print_channel_matrix (double *matrix, int fchans, int vchans); |
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| 44 | void _af_print_pvlist (AUpvlist list); |
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| 45 | |
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| 46 | void *_af_malloc (size_t size); |
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| 47 | void *_af_realloc (void *ptr, size_t size); |
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| 48 | void *_af_calloc (size_t nmemb, size_t size); |
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| 49 | char *_af_strdup (char *s); |
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| 50 | |
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| 51 | AUpvlist _af_pv_long (long val); |
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| 52 | AUpvlist _af_pv_double (double val); |
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| 53 | AUpvlist _af_pv_pointer (void *val); |
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| 54 | |
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| 55 | bool _af_pv_getlong (AUpvlist pvlist, int param, long *l); |
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| 56 | bool _af_pv_getdouble (AUpvlist pvlist, int param, double *d); |
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| 57 | bool _af_pv_getptr (AUpvlist pvlist, int param, void **v); |
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| 58 | |
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| 59 | _TrackSetup *_af_filesetup_get_tracksetup (AFfilesetup setup, int trackid); |
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| 60 | _Track *_af_filehandle_get_track (AFfilehandle file, int trackid); |
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| 61 | |
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| 62 | bool _af_unique_ids (int *ids, int nids, char *idname, int iderr); |
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| 63 | |
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| 64 | float _af_format_frame_size (_AudioFormat *format, bool stretch3to4); |
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| 65 | int _af_format_frame_size_uncompressed (_AudioFormat *format, bool stretch3to4); |
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| 66 | float _af_format_sample_size (_AudioFormat *format, bool stretch3to4); |
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| 67 | int _af_format_sample_size_uncompressed (_AudioFormat *format, bool stretch3to4); |
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| 68 | |
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| 69 | status _af_set_sample_format (_AudioFormat *f, int sampleFormat, int sampleWidth); |
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| 70 | |
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| 71 | bool _af_filehandle_can_read (AFfilehandle file); |
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| 72 | bool _af_filehandle_can_write (AFfilehandle file); |
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| 73 | |
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| 74 | void _af_print_audioformat (_AudioFormat *format); |
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| 75 | void _af_print_chunk (_AFchunk *chunk); |
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| 76 | void _af_print_frame (AFframecount frameno, double *frame, int nchannels, |
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| 77 | char *formatstring, int numberwidth, |
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| 78 | double slope, double intercept, double minclip, double maxclip); |
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| 79 | |
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| 80 | #endif |
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