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63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
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/* 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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#include <spa/param/audio/raw.h>
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#define NOISE_SIZE (1<<8)
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#define NOISE_MOD (NOISE_SIZE-1)
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struct noise {
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uint32_t intensity;
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uint32_t n_channels;
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uint32_t cpu_flags;
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struct spa_log *log;
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void (*process) (struct noise *ns, void * SPA_RESTRICT dst[], uint32_t n_samples);
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void (*free) (struct noise *ns);
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float tab[NOISE_SIZE];
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int tab_idx;
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};
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int noise_init(struct noise *ns);
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#define noise_process(ns,...) (ns)->process(ns, __VA_ARGS__)
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#define noise_free(ns) (ns)->free(ns)
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#define DEFINE_FUNCTION(name,arch) \
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void noise_##name##_##arch(struct noise *ns, \
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void * SPA_RESTRICT dst[], \
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uint32_t n_samples);
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#define NOISE_OPS_MAX_ALIGN 16
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DEFINE_FUNCTION(f32, c);
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#undef DEFINE_FUNCTION
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