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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:28:17 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:28:17 +0000 |
commit | 7a46c07230b8d8108c0e8e80df4522d0ac116538 (patch) | |
tree | d483300dab478b994fe199a5d19d18d74153718a /spa/plugins/audiomixer/mix-ops-avx.c | |
parent | Initial commit. (diff) | |
download | pipewire-upstream/0.3.65.tar.xz pipewire-upstream/0.3.65.zip |
Adding upstream version 0.3.65.upstream/0.3.65upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'spa/plugins/audiomixer/mix-ops-avx.c')
-rw-r--r-- | spa/plugins/audiomixer/mix-ops-avx.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/spa/plugins/audiomixer/mix-ops-avx.c b/spa/plugins/audiomixer/mix-ops-avx.c new file mode 100644 index 0000000..3c5aa6b --- /dev/null +++ b/spa/plugins/audiomixer/mix-ops-avx.c @@ -0,0 +1,88 @@ +/* Spa + * + * Copyright © 2019 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 <string.h> +#include <stdio.h> +#include <math.h> + +#include <spa/utils/defs.h> + +#include "mix-ops.h" + +#include <immintrin.h> + +void +mix_f32_avx(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[], + uint32_t n_src, uint32_t n_samples) +{ + n_samples *= ops->n_channels; + + if (n_src == 0) + memset(dst, 0, n_samples * ops->n_channels * sizeof(float)); + else if (n_src == 1) { + if (dst != src[0]) + spa_memcpy(dst, src[0], n_samples * sizeof(float)); + } else { + uint32_t i, n, unrolled; + const float **s = (const float **)src; + float *d = dst; + + if (SPA_LIKELY(SPA_IS_ALIGNED(dst, 32))) { + unrolled = n_samples & ~31; + for (i = 0; i < n_src; i++) { + if (SPA_UNLIKELY(!SPA_IS_ALIGNED(src[i], 32))) { + unrolled = 0; + break; + } + } + } else + unrolled = 0; + + for (n = 0; n < unrolled; n += 32) { + __m256 in[4]; + + in[0] = _mm256_load_ps(&s[0][n + 0]); + in[1] = _mm256_load_ps(&s[0][n + 8]); + in[2] = _mm256_load_ps(&s[0][n + 16]); + in[3] = _mm256_load_ps(&s[0][n + 24]); + for (i = 1; i < n_src; i++) { + in[0] = _mm256_add_ps(in[0], _mm256_load_ps(&s[i][n + 0])); + in[1] = _mm256_add_ps(in[1], _mm256_load_ps(&s[i][n + 8])); + in[2] = _mm256_add_ps(in[2], _mm256_load_ps(&s[i][n + 16])); + in[3] = _mm256_add_ps(in[3], _mm256_load_ps(&s[i][n + 24])); + } + _mm256_store_ps(&d[n + 0], in[0]); + _mm256_store_ps(&d[n + 8], in[1]); + _mm256_store_ps(&d[n + 16], in[2]); + _mm256_store_ps(&d[n + 24], in[3]); + } + for (; n < n_samples; n++) { + __m128 in[1]; + in[0] = _mm_load_ss(&s[0][n]); + for (i = 1; i < n_src; i++) + in[0] = _mm_add_ss(in[0], _mm_load_ss(&s[i][n])); + _mm_store_ss(&d[n], in[0]); + } + } +} |