annotate src/libst.h @ 801:2b676dc88c66

[xemacs-hg @ 2002-04-01 03:58:02 by ben] bug fixes (e.g. ballooning on X windows) Makefile.in.in: Try to make the Makefile notice if its source Makefile.in.in is changed, and regenerate and run itself. Use a bigger default SHEAP_ADJUSTMENT on Cygwin; otherwise you can't compile under Mule if a Lisp file has changed. (can't run temacs) TODO.ben-mule-21-5: update. mule/mule-cmds.el: Hash the result of mswindows-get-language-environment-from-locale, since it's very expensive (and causes huge ballooning of memory under X Windows, since it's called from x-get-resource). cl-extra.el, code-files.el, files.el, simple.el, subr.el, x-faces.el: Create new string-equal-ignore-case, based on built-in compare-strings -- compare strings ignoring case without the need to generate garbage by calling downcase. Use it in equalp and elsewhere. alloc.c, bytecode.c, chartab.c, data.c, elhash.c, emacs.c, eval.c, event-Xt.c, event-unixoid.c, extents.c, file-coding.c, fileio.c, fns.c, glyphs.c, gutter.c, lisp-union.h, lisp.h, mule-charset.c, nt.c, process-unix.c, process.c, specifier.c, symbols.c, sysdep.c, sysdep.h, text.c, toolbar.c: Try to implement GC triggering based on percentage of total memory usage. Not currently activated (percentage set to 0) because not quite working. Add `memory-usage' primitive to return XEmacs' idea of its memory usage. Add primitive compare-strings, compatible with FSF 21.1 -- can compare any part of two strings, optionally ignoring case. Improve qxe() functions in text.c for text comparison. Use RETURN_NOT_REACHED to try to avoid warnings about unreachable code. Add volatile_make_int() to fix warning in unix_send_process().
author ben
date Mon, 01 Apr 2002 03:59:04 +0000
parents 74fd4e045ea6
children 697ef44129c6
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1 /* libst.h - include file for portable sound tools library
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2 **
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3 ** Copyright (C) 1989 by Jef Poskanzer.
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4 **
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5 ** Permission to use, copy, modify, and distribute this software and its
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6 ** documentation for any purpose and without fee is hereby granted, provided
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7 ** that the above copyright notice appear in all copies and that both that
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8 ** copyright notice and this permission notice appear in supporting
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9 ** documentation. This software is provided "as is" without express or
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10 ** implied warranty.
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11 */
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12
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13 /* Synched up with: Not in FSF. */
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14
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15 #ifndef INCLUDED_libst_h_
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16 #define INCLUDED_libst_h_
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17
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18 #define SAMPLES_PER_SECOND 8192
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19
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20 #define MINLIN -32768
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21 #define MAXLIN 32767
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22 #define LINCLIP(x) do { if ( x < MINLIN ) x = MINLIN ; else if ( x > MAXLIN ) x = MAXLIN; } while ( 0 )
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23
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24 unsigned char st_linear_to_ulaw( /* int sample */ );
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25 int st_ulaw_to_linear_slow( /* unsigned char ulawbyte */ );
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27 /*
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28 ** This macro converts from ulaw to 16 bit linear, faster.
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29 **
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30 ** Jef Poskanzer
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31 ** 23 October 1989
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32 **
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33 ** Input: 8 bit ulaw sample
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34 ** Output: signed 16 bit linear sample
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35 */
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36 #define st_ulaw_to_linear(ulawbyte) ulaw_table[ulawbyte]
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37
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38 static int ulaw_table[256] = {
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72 #endif /* INCLUDED_libst_h_ */