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72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/* Spa
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*
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* Copyright © 2022 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <spa/utils/defs.h>
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struct peaks {
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uint32_t cpu_flags;
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const char *func_name;
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struct spa_log *log;
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uint32_t flags;
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void (*min_max) (struct peaks *peaks, const float * SPA_RESTRICT src,
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uint32_t n_samples, float *min, float *max);
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float (*abs_max) (struct peaks *peaks, const float * SPA_RESTRICT src,
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uint32_t n_samples, float max);
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void (*free) (struct peaks *peaks);
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};
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int peaks_init(struct peaks *peaks);
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#define peaks_min_max(peaks,...) (peaks)->min_max(peaks, __VA_ARGS__)
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#define peaks_abs_max(peaks,...) (peaks)->abs_max(peaks, __VA_ARGS__)
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#define peaks_free(peaks) (peaks)->free(peaks)
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#define DEFINE_MIN_MAX_FUNCTION(arch) \
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void peaks_min_max_##arch(struct peaks *peaks, \
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const float * SPA_RESTRICT src, \
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uint32_t n_samples, float *min, float *max);
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#define DEFINE_ABS_MAX_FUNCTION(arch) \
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float peaks_abs_max_##arch(struct peaks *peaks, \
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const float * SPA_RESTRICT src, \
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uint32_t n_samples, float max);
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#define PEAKS_OPS_MAX_ALIGN 16
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DEFINE_MIN_MAX_FUNCTION(c);
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DEFINE_ABS_MAX_FUNCTION(c);
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#if defined (HAVE_SSE)
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DEFINE_MIN_MAX_FUNCTION(sse);
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DEFINE_ABS_MAX_FUNCTION(sse);
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#endif
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#undef DEFINE_FUNCTION
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