84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
/* SoX Resampler Library Copyright (c) 2007-16 robs@users.sourceforge.net
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* Licence for this file: LGPL v2.1 See LICENCE for details. */
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#if !defined soxr_internal_included
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#define soxr_internal_included
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#include "std-types.h"
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#undef min
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#undef max
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#define min(a, b) ((a) <= (b) ? (a) : (b))
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#define max(a, b) ((a) >= (b) ? (a) : (b))
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#define range_limit(x, lower, upper) (min(max(x, lower), upper))
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#define linear_to_dB(x) (log10(x) * 20)
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#define array_length(a) (sizeof(a)/sizeof(a[0]))
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#if !defined AL
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#define AL(a) array_length(a)
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#endif
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#define iAL(a) (int)AL(a)
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#define sqr(a) ((a) * (a))
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#if defined __GNUC__
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#define UNUSED __attribute__ ((unused))
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#else
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#define UNUSED
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#endif
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#if !WITH_DEV_TRACE
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#ifdef __GNUC__
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void lsx_dummy(char const *, ...);
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#else
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static __inline void lsx_dummy(char const * x, ...) {}
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#endif
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#define lsx_debug if(0) lsx_dummy
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#define lsx_debug_more lsx_debug
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#else
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extern int _soxr_trace_level;
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void _soxr_trace(char const * fmt, ...);
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#define lsx_debug if (_soxr_trace_level > 0) _soxr_trace
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#define lsx_debug_more if (_soxr_trace_level > 1) _soxr_trace
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#endif
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/* soxr_quality_spec_t.flags: */
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#define SOXR_ROLLOFF_LSR2Q 3u /* Reserved for internal use. */
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#define SOXR_ROLLOFF_MASK 3u /* For masking these bits. */
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#define SOXR_PROMOTE_TO_LQ 64u /* Reserved for internal use. */
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/* soxr_runtime_spec_t.flags: */
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#define SOXR_STRICT_BUFFERING 4u /* Reserved for future use. */
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#define SOXR_NOSMALLINTOPT 8u /* For test purposes only. */
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/* soxr_quality_spec recipe: */
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#define SOXR_PRECISIONQ 11 /* Quality specified by the precision parameter. */
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#define SOXR_PHASE_MASK 0x30 /* For masking these bits. */
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/* soxr_quality_spec flags: */
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#define RESET_ON_CLEAR (1u<<31)
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#endif
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