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/* Spa
*
* Copyright © 2021 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "volume-ops.h"
void
volume_f32_c(struct volume *vol, void * SPA_RESTRICT dst,
const void * SPA_RESTRICT src, float volume, uint32_t n_samples)
{
uint32_t n;
float *d = (float*)dst;
const float *s = (const float*)src;
if (volume == VOLUME_MIN) {
memset(d, 0, n_samples * sizeof(float));
}
else if (volume == VOLUME_NORM) {
spa_memcpy(d, s, n_samples * sizeof(float));
}
else {
for (n = 0; n < n_samples; n++)
d[n] = s[n] * volume;
}
}
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