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65 lines
2 KiB
C
65 lines
2 KiB
C
/* Spa
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*
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* Copyright © 2021 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 VOLUME_MIN 0.0f
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#define VOLUME_NORM 1.0f
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struct volume {
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uint32_t cpu_flags;
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struct spa_log *log;
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uint32_t flags;
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void (*process) (struct volume *vol, void * SPA_RESTRICT dst,
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const void * SPA_RESTRICT src, float volume, uint32_t n_samples);
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void (*free) (struct volume *vol);
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void *data;
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};
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int volume_init(struct volume *vol);
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#define volume_process(vol,...) (vol)->process(vol, __VA_ARGS__)
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#define volume_free(vol) (vol)->free(vol)
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#define DEFINE_FUNCTION(name,arch) \
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void volume_##name##_##arch(struct volume *vol, \
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void * SPA_RESTRICT dst, \
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const void * SPA_RESTRICT src, \
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float volume, uint32_t n_samples);
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DEFINE_FUNCTION(f32, c);
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#if defined (HAVE_SSE)
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DEFINE_FUNCTION(f32, sse);
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#endif
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#undef DEFINE_FUNCTION
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