summaryrefslogtreecommitdiffstats
path: root/spa/plugins/audioconvert/fmt-ops-avx2.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--spa/plugins/audioconvert/fmt-ops-avx2.c1043
1 files changed, 1043 insertions, 0 deletions
diff --git a/spa/plugins/audioconvert/fmt-ops-avx2.c b/spa/plugins/audioconvert/fmt-ops-avx2.c
new file mode 100644
index 0000000..087f027
--- /dev/null
+++ b/spa/plugins/audioconvert/fmt-ops-avx2.c
@@ -0,0 +1,1043 @@
+/* Spa
+ *
+ * Copyright © 2018 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 "fmt-ops.h"
+
+#include <immintrin.h>
+// GCC: workaround for missing AVX intrinsic: "_mm256_setr_m128()"
+// (see https://stackoverflow.com/questions/32630458/setting-m256i-to-the-value-of-two-m128i-values)
+#ifndef _mm256_setr_m128i
+# ifndef _mm256_set_m128i
+# define _mm256_set_m128i(v0, v1) _mm256_insertf128_si256(_mm256_castsi128_si256(v1), (v0), 1)
+# endif
+# define _mm256_setr_m128i(v0, v1) _mm256_set_m128i((v1), (v0))
+#endif
+
+#define _MM_CLAMP_PS(r,min,max) \
+ _mm_min_ps(_mm_max_ps(r, min), max)
+
+#define _MM256_CLAMP_PS(r,min,max) \
+ _mm256_min_ps(_mm256_max_ps(r, min), max)
+
+#define _MM_CLAMP_SS(r,min,max) \
+ _mm_min_ss(_mm_max_ss(r, min), max)
+
+static void
+conv_s16_to_f32d_1s_avx2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const int16_t *s = src;
+ float *d0 = dst[0];
+ uint32_t n, unrolled;
+ __m256i in = _mm256_setzero_si256();
+ __m256 out, factor = _mm256_set1_ps(1.0f / S16_SCALE);
+
+ if (SPA_LIKELY(SPA_IS_ALIGNED(d0, 32)))
+ unrolled = n_samples & ~7;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 8) {
+ in = _mm256_insert_epi16(in, s[0*n_channels], 1);
+ in = _mm256_insert_epi16(in, s[1*n_channels], 3);
+ in = _mm256_insert_epi16(in, s[2*n_channels], 5);
+ in = _mm256_insert_epi16(in, s[3*n_channels], 7);
+ in = _mm256_insert_epi16(in, s[4*n_channels], 9);
+ in = _mm256_insert_epi16(in, s[5*n_channels], 11);
+ in = _mm256_insert_epi16(in, s[6*n_channels], 13);
+ in = _mm256_insert_epi16(in, s[7*n_channels], 15);
+
+ in = _mm256_srai_epi32(in, 16);
+ out = _mm256_cvtepi32_ps(in);
+ out = _mm256_mul_ps(out, factor);
+ _mm256_store_ps(&d0[n], out);
+ s += 8*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ __m128 out, factor = _mm_set1_ps(1.0f / S16_SCALE);
+ out = _mm_cvtsi32_ss(factor, s[0]);
+ out = _mm_mul_ss(out, factor);
+ _mm_store_ss(&d0[n], out);
+ s += n_channels;
+ }
+}
+
+void
+conv_s16_to_f32d_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
+ uint32_t n_samples)
+{
+ const int16_t *s = src[0];
+ uint32_t i = 0, n_channels = conv->n_channels;
+
+ for(; i < n_channels; i++)
+ conv_s16_to_f32d_1s_avx2(conv, &dst[i], &s[i], n_channels, n_samples);
+}
+
+void
+conv_s16_to_f32d_2_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
+ uint32_t n_samples)
+{
+ const int16_t *s = src[0];
+ float *d0 = dst[0], *d1 = dst[1];
+ uint32_t n, unrolled;
+ __m256i in[2], t[4];
+ __m256 out[4], factor = _mm256_set1_ps(1.0f / S16_SCALE);
+
+ if (SPA_IS_ALIGNED(s, 32) &&
+ SPA_IS_ALIGNED(d0, 32) &&
+ SPA_IS_ALIGNED(d1, 32))
+ unrolled = n_samples & ~15;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 16) {
+ in[0] = _mm256_load_si256((__m256i*)(s + 0));
+ in[1] = _mm256_load_si256((__m256i*)(s + 16));
+
+ t[0] = _mm256_slli_epi32(in[0], 16);
+ t[0] = _mm256_srai_epi32(t[0], 16);
+ out[0] = _mm256_cvtepi32_ps(t[0]);
+ out[0] = _mm256_mul_ps(out[0], factor);
+
+ t[1] = _mm256_srai_epi32(in[0], 16);
+ out[1] = _mm256_cvtepi32_ps(t[1]);
+ out[1] = _mm256_mul_ps(out[1], factor);
+
+ t[2] = _mm256_slli_epi32(in[1], 16);
+ t[2] = _mm256_srai_epi32(t[2], 16);
+ out[2] = _mm256_cvtepi32_ps(t[2]);
+ out[2] = _mm256_mul_ps(out[2], factor);
+
+ t[3] = _mm256_srai_epi32(in[1], 16);
+ out[3] = _mm256_cvtepi32_ps(t[3]);
+ out[3] = _mm256_mul_ps(out[3], factor);
+
+ _mm256_store_ps(&d0[n + 0], out[0]);
+ _mm256_store_ps(&d1[n + 0], out[1]);
+ _mm256_store_ps(&d0[n + 8], out[2]);
+ _mm256_store_ps(&d1[n + 8], out[3]);
+
+ s += 32;
+ }
+ for(; n < n_samples; n++) {
+ __m128 out[4], factor = _mm_set1_ps(1.0f / S16_SCALE);
+ out[0] = _mm_cvtsi32_ss(factor, s[0]);
+ out[0] = _mm_mul_ss(out[0], factor);
+ out[1] = _mm_cvtsi32_ss(factor, s[1]);
+ out[1] = _mm_mul_ss(out[1], factor);
+ _mm_store_ss(&d0[n], out[0]);
+ _mm_store_ss(&d1[n], out[1]);
+ s += 2;
+ }
+}
+
+void
+conv_s24_to_f32d_1s_avx2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const int8_t *s = src;
+ float *d0 = dst[0];
+ uint32_t n, unrolled;
+ __m128i in;
+ __m128 out, factor = _mm_set1_ps(1.0f / S24_SCALE);
+ __m128i mask1 = _mm_setr_epi32(0*n_channels, 3*n_channels, 6*n_channels, 9*n_channels);
+
+ if (SPA_IS_ALIGNED(d0, 16) && n_samples > 0) {
+ unrolled = n_samples & ~3;
+ if ((n_samples & 3) == 0)
+ unrolled -= 4;
+ }
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 4) {
+ in = _mm_i32gather_epi32((int*)s, mask1, 1);
+ in = _mm_slli_epi32(in, 8);
+ in = _mm_srai_epi32(in, 8);
+ out = _mm_cvtepi32_ps(in);
+ out = _mm_mul_ps(out, factor);
+ _mm_store_ps(&d0[n], out);
+ s += 12 * n_channels;
+ }
+ for(; n < n_samples; n++) {
+ out = _mm_cvtsi32_ss(factor, s24_to_s32(*(int24_t*)s));
+ out = _mm_mul_ss(out, factor);
+ _mm_store_ss(&d0[n], out);
+ s += 3 * n_channels;
+ }
+}
+
+static void
+conv_s24_to_f32d_2s_avx2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const int8_t *s = src;
+ float *d0 = dst[0], *d1 = dst[1];
+ uint32_t n, unrolled;
+ __m128i in[2];
+ __m128 out[2], factor = _mm_set1_ps(1.0f / S24_SCALE);
+ __m128i mask1 = _mm_setr_epi32(0*n_channels, 3*n_channels, 6*n_channels, 9*n_channels);
+
+ if (SPA_IS_ALIGNED(d0, 16) &&
+ SPA_IS_ALIGNED(d1, 16) &&
+ n_samples > 0) {
+ unrolled = n_samples & ~3;
+ if ((n_samples & 3) == 0)
+ unrolled -= 4;
+ }
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 4) {
+ in[0] = _mm_i32gather_epi32((int*)&s[0], mask1, 1);
+ in[1] = _mm_i32gather_epi32((int*)&s[3], mask1, 1);
+
+ in[0] = _mm_slli_epi32(in[0], 8);
+ in[1] = _mm_slli_epi32(in[1], 8);
+
+ in[0] = _mm_srai_epi32(in[0], 8);
+ in[1] = _mm_srai_epi32(in[1], 8);
+
+ out[0] = _mm_cvtepi32_ps(in[0]);
+ out[1] = _mm_cvtepi32_ps(in[1]);
+
+ out[0] = _mm_mul_ps(out[0], factor);
+ out[1] = _mm_mul_ps(out[1], factor);
+
+ _mm_store_ps(&d0[n], out[0]);
+ _mm_store_ps(&d1[n], out[1]);
+
+ s += 12 * n_channels;
+ }
+ for(; n < n_samples; n++) {
+ out[0] = _mm_cvtsi32_ss(factor, s24_to_s32(*((int24_t*)s+0)));
+ out[1] = _mm_cvtsi32_ss(factor, s24_to_s32(*((int24_t*)s+1)));
+ out[0] = _mm_mul_ss(out[0], factor);
+ out[1] = _mm_mul_ss(out[1], factor);
+ _mm_store_ss(&d0[n], out[0]);
+ _mm_store_ss(&d1[n], out[1]);
+ s += 3 * n_channels;
+ }
+}
+static void
+conv_s24_to_f32d_4s_avx2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const int8_t *s = src;
+ float *d0 = dst[0], *d1 = dst[1], *d2 = dst[2], *d3 = dst[3];
+ uint32_t n, unrolled;
+ __m128i in[4];
+ __m128 out[4], factor = _mm_set1_ps(1.0f / S24_SCALE);
+ __m128i mask1 = _mm_setr_epi32(0*n_channels, 3*n_channels, 6*n_channels, 9*n_channels);
+
+ if (SPA_IS_ALIGNED(d0, 16) &&
+ SPA_IS_ALIGNED(d1, 16) &&
+ SPA_IS_ALIGNED(d2, 16) &&
+ SPA_IS_ALIGNED(d3, 16) &&
+ n_samples > 0) {
+ unrolled = n_samples & ~3;
+ if ((n_samples & 3) == 0)
+ unrolled -= 4;
+ }
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 4) {
+ in[0] = _mm_i32gather_epi32((int*)&s[0], mask1, 1);
+ in[1] = _mm_i32gather_epi32((int*)&s[3], mask1, 1);
+ in[2] = _mm_i32gather_epi32((int*)&s[6], mask1, 1);
+ in[3] = _mm_i32gather_epi32((int*)&s[9], mask1, 1);
+
+ in[0] = _mm_slli_epi32(in[0], 8);
+ in[1] = _mm_slli_epi32(in[1], 8);
+ in[2] = _mm_slli_epi32(in[2], 8);
+ in[3] = _mm_slli_epi32(in[3], 8);
+
+ in[0] = _mm_srai_epi32(in[0], 8);
+ in[1] = _mm_srai_epi32(in[1], 8);
+ in[2] = _mm_srai_epi32(in[2], 8);
+ in[3] = _mm_srai_epi32(in[3], 8);
+
+ out[0] = _mm_cvtepi32_ps(in[0]);
+ out[1] = _mm_cvtepi32_ps(in[1]);
+ out[2] = _mm_cvtepi32_ps(in[2]);
+ out[3] = _mm_cvtepi32_ps(in[3]);
+
+ out[0] = _mm_mul_ps(out[0], factor);
+ out[1] = _mm_mul_ps(out[1], factor);
+ out[2] = _mm_mul_ps(out[2], factor);
+ out[3] = _mm_mul_ps(out[3], factor);
+
+ _mm_store_ps(&d0[n], out[0]);
+ _mm_store_ps(&d1[n], out[1]);
+ _mm_store_ps(&d2[n], out[2]);
+ _mm_store_ps(&d3[n], out[3]);
+
+ s += 12 * n_channels;
+ }
+ for(; n < n_samples; n++) {
+ out[0] = _mm_cvtsi32_ss(factor, s24_to_s32(*((int24_t*)s+0)));
+ out[1] = _mm_cvtsi32_ss(factor, s24_to_s32(*((int24_t*)s+1)));
+ out[2] = _mm_cvtsi32_ss(factor, s24_to_s32(*((int24_t*)s+2)));
+ out[3] = _mm_cvtsi32_ss(factor, s24_to_s32(*((int24_t*)s+3)));
+ out[0] = _mm_mul_ss(out[0], factor);
+ out[1] = _mm_mul_ss(out[1], factor);
+ out[2] = _mm_mul_ss(out[2], factor);
+ out[3] = _mm_mul_ss(out[3], factor);
+ _mm_store_ss(&d0[n], out[0]);
+ _mm_store_ss(&d1[n], out[1]);
+ _mm_store_ss(&d2[n], out[2]);
+ _mm_store_ss(&d3[n], out[3]);
+ s += 3 * n_channels;
+ }
+}
+
+void
+conv_s24_to_f32d_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
+ uint32_t n_samples)
+{
+ const int8_t *s = src[0];
+ uint32_t i = 0, n_channels = conv->n_channels;
+
+ for(; i + 3 < n_channels; i += 4)
+ conv_s24_to_f32d_4s_avx2(conv, &dst[i], &s[3*i], n_channels, n_samples);
+ for(; i + 1 < n_channels; i += 2)
+ conv_s24_to_f32d_2s_avx2(conv, &dst[i], &s[3*i], n_channels, n_samples);
+ for(; i < n_channels; i++)
+ conv_s24_to_f32d_1s_avx2(conv, &dst[i], &s[3*i], n_channels, n_samples);
+}
+
+
+void
+conv_s32_to_f32d_4s_avx2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const int32_t *s = src;
+ float *d0 = dst[0], *d1 = dst[1], *d2 = dst[2], *d3 = dst[3];
+ uint32_t n, unrolled;
+ __m256i in[4];
+ __m256 out[4], factor = _mm256_set1_ps(1.0f / S24_SCALE);
+ __m256i mask1 = _mm256_setr_epi32(0*n_channels, 1*n_channels, 2*n_channels, 3*n_channels,
+ 4*n_channels, 5*n_channels, 6*n_channels, 7*n_channels);
+
+ if (SPA_IS_ALIGNED(d0, 32) &&
+ SPA_IS_ALIGNED(d1, 32) &&
+ SPA_IS_ALIGNED(d2, 32) &&
+ SPA_IS_ALIGNED(d3, 32))
+ unrolled = n_samples & ~7;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 8) {
+ in[0] = _mm256_i32gather_epi32((int*)&s[0], mask1, 4);
+ in[1] = _mm256_i32gather_epi32((int*)&s[1], mask1, 4);
+ in[2] = _mm256_i32gather_epi32((int*)&s[2], mask1, 4);
+ in[3] = _mm256_i32gather_epi32((int*)&s[3], mask1, 4);
+
+ in[0] = _mm256_srai_epi32(in[0], 8);
+ in[1] = _mm256_srai_epi32(in[1], 8);
+ in[2] = _mm256_srai_epi32(in[2], 8);
+ in[3] = _mm256_srai_epi32(in[3], 8);
+
+ out[0] = _mm256_cvtepi32_ps(in[0]);
+ out[1] = _mm256_cvtepi32_ps(in[1]);
+ out[2] = _mm256_cvtepi32_ps(in[2]);
+ out[3] = _mm256_cvtepi32_ps(in[3]);
+
+ out[0] = _mm256_mul_ps(out[0], factor);
+ out[1] = _mm256_mul_ps(out[1], factor);
+ out[2] = _mm256_mul_ps(out[2], factor);
+ out[3] = _mm256_mul_ps(out[3], factor);
+
+ _mm256_store_ps(&d0[n], out[0]);
+ _mm256_store_ps(&d1[n], out[1]);
+ _mm256_store_ps(&d2[n], out[2]);
+ _mm256_store_ps(&d3[n], out[3]);
+
+ s += 8*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ __m128 out[4], factor = _mm_set1_ps(1.0f / S24_SCALE);
+ out[0] = _mm_cvtsi32_ss(factor, s[0] >> 8);
+ out[1] = _mm_cvtsi32_ss(factor, s[1] >> 8);
+ out[2] = _mm_cvtsi32_ss(factor, s[2] >> 8);
+ out[3] = _mm_cvtsi32_ss(factor, s[3] >> 8);
+ out[0] = _mm_mul_ss(out[0], factor);
+ out[1] = _mm_mul_ss(out[1], factor);
+ out[2] = _mm_mul_ss(out[2], factor);
+ out[3] = _mm_mul_ss(out[3], factor);
+ _mm_store_ss(&d0[n], out[0]);
+ _mm_store_ss(&d1[n], out[1]);
+ _mm_store_ss(&d2[n], out[2]);
+ _mm_store_ss(&d3[n], out[3]);
+ s += n_channels;
+ }
+}
+
+void
+conv_s32_to_f32d_2s_avx2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const int32_t *s = src;
+ float *d0 = dst[0], *d1 = dst[1];
+ uint32_t n, unrolled;
+ __m256i in[4];
+ __m256 out[4], factor = _mm256_set1_ps(1.0f / S24_SCALE);
+ __m256i mask1 = _mm256_setr_epi32(0*n_channels, 1*n_channels, 2*n_channels, 3*n_channels,
+ 4*n_channels, 5*n_channels, 6*n_channels, 7*n_channels);
+
+ if (SPA_IS_ALIGNED(d0, 32) &&
+ SPA_IS_ALIGNED(d1, 32))
+ unrolled = n_samples & ~7;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 8) {
+ in[0] = _mm256_i32gather_epi32((int*)&s[0], mask1, 4);
+ in[1] = _mm256_i32gather_epi32((int*)&s[1], mask1, 4);
+
+ in[0] = _mm256_srai_epi32(in[0], 8);
+ in[1] = _mm256_srai_epi32(in[1], 8);
+
+ out[0] = _mm256_cvtepi32_ps(in[0]);
+ out[1] = _mm256_cvtepi32_ps(in[1]);
+
+ out[0] = _mm256_mul_ps(out[0], factor);
+ out[1] = _mm256_mul_ps(out[1], factor);
+
+ _mm256_store_ps(&d0[n], out[0]);
+ _mm256_store_ps(&d1[n], out[1]);
+
+ s += 8*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ __m128 out[2], factor = _mm_set1_ps(1.0f / S24_SCALE);
+ out[0] = _mm_cvtsi32_ss(factor, s[0] >> 8);
+ out[1] = _mm_cvtsi32_ss(factor, s[1] >> 8);
+ out[0] = _mm_mul_ss(out[0], factor);
+ out[1] = _mm_mul_ss(out[1], factor);
+ _mm_store_ss(&d0[n], out[0]);
+ _mm_store_ss(&d1[n], out[1]);
+ s += n_channels;
+ }
+}
+
+void
+conv_s32_to_f32d_1s_avx2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const int32_t *s = src;
+ float *d0 = dst[0];
+ uint32_t n, unrolled;
+ __m256i in[2];
+ __m256 out[2], factor = _mm256_set1_ps(1.0f / S24_SCALE);
+ __m256i mask1 = _mm256_setr_epi32(0*n_channels, 1*n_channels, 2*n_channels, 3*n_channels,
+ 4*n_channels, 5*n_channels, 6*n_channels, 7*n_channels);
+
+ if (SPA_IS_ALIGNED(d0, 32))
+ unrolled = n_samples & ~15;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 16) {
+ in[0] = _mm256_i32gather_epi32(&s[0*n_channels], mask1, 4);
+ in[1] = _mm256_i32gather_epi32(&s[8*n_channels], mask1, 4);
+
+ in[0] = _mm256_srai_epi32(in[0], 8);
+ in[1] = _mm256_srai_epi32(in[1], 8);
+
+ out[0] = _mm256_cvtepi32_ps(in[0]);
+ out[1] = _mm256_cvtepi32_ps(in[1]);
+
+ out[0] = _mm256_mul_ps(out[0], factor);
+ out[1] = _mm256_mul_ps(out[1], factor);
+
+ _mm256_store_ps(&d0[n+0], out[0]);
+ _mm256_store_ps(&d0[n+8], out[1]);
+
+ s += 16*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ __m128 out, factor = _mm_set1_ps(1.0f / S24_SCALE);
+ out = _mm_cvtsi32_ss(factor, s[0] >> 8);
+ out = _mm_mul_ss(out, factor);
+ _mm_store_ss(&d0[n], out);
+ s += n_channels;
+ }
+}
+
+void
+conv_s32_to_f32d_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
+ uint32_t n_samples)
+{
+ const int32_t *s = src[0];
+ uint32_t i = 0, n_channels = conv->n_channels;
+
+ for(; i + 3 < n_channels; i += 4)
+ conv_s32_to_f32d_4s_avx2(conv, &dst[i], &s[i], n_channels, n_samples);
+ for(; i + 1 < n_channels; i += 2)
+ conv_s32_to_f32d_2s_avx2(conv, &dst[i], &s[i], n_channels, n_samples);
+ for(; i < n_channels; i++)
+ conv_s32_to_f32d_1s_avx2(conv, &dst[i], &s[i], n_channels, n_samples);
+}
+
+static void
+conv_f32d_to_s32_1s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const float *s0 = src[0];
+ int32_t *d = dst;
+ uint32_t n, unrolled;
+ __m128 in[1];
+ __m128i out[4];
+ __m128 scale = _mm_set1_ps(S24_SCALE);
+ __m128 int_max = _mm_set1_ps(S24_MAX);
+ __m128 int_min = _mm_set1_ps(S24_MIN);
+
+ if (SPA_IS_ALIGNED(s0, 16))
+ unrolled = n_samples & ~3;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 4) {
+ in[0] = _mm_mul_ps(_mm_load_ps(&s0[n]), scale);
+ in[0] = _MM_CLAMP_PS(in[0], int_min, int_max);
+ out[0] = _mm_cvtps_epi32(in[0]);
+ out[0] = _mm_slli_epi32(out[0], 8);
+ out[1] = _mm_shuffle_epi32(out[0], _MM_SHUFFLE(0, 3, 2, 1));
+ out[2] = _mm_shuffle_epi32(out[0], _MM_SHUFFLE(1, 0, 3, 2));
+ out[3] = _mm_shuffle_epi32(out[0], _MM_SHUFFLE(2, 1, 0, 3));
+
+ d[0*n_channels] = _mm_cvtsi128_si32(out[0]);
+ d[1*n_channels] = _mm_cvtsi128_si32(out[1]);
+ d[2*n_channels] = _mm_cvtsi128_si32(out[2]);
+ d[3*n_channels] = _mm_cvtsi128_si32(out[3]);
+ d += 4*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ in[0] = _mm_load_ss(&s0[n]);
+ in[0] = _mm_mul_ss(in[0], scale);
+ in[0] = _MM_CLAMP_SS(in[0], int_min, int_max);
+ *d = _mm_cvtss_si32(in[0]) << 8;
+ d += n_channels;
+ }
+}
+
+static void
+conv_f32d_to_s32_2s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const float *s0 = src[0], *s1 = src[1];
+ int32_t *d = dst;
+ uint32_t n, unrolled;
+ __m256 in[2];
+ __m256i out[2], t[2];
+ __m256 scale = _mm256_set1_ps(S24_SCALE);
+ __m256 int_min = _mm256_set1_ps(S24_MIN);
+ __m256 int_max = _mm256_set1_ps(S24_MAX);
+
+ if (SPA_IS_ALIGNED(s0, 32) &&
+ SPA_IS_ALIGNED(s1, 32))
+ unrolled = n_samples & ~7;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 8) {
+ in[0] = _mm256_mul_ps(_mm256_load_ps(&s0[n]), scale);
+ in[1] = _mm256_mul_ps(_mm256_load_ps(&s1[n]), scale);
+
+ in[0] = _MM256_CLAMP_PS(in[0], int_min, int_max);
+ in[1] = _MM256_CLAMP_PS(in[1], int_min, int_max);
+
+ out[0] = _mm256_cvtps_epi32(in[0]); /* a0 a1 a2 a3 a4 a5 a6 a7 */
+ out[1] = _mm256_cvtps_epi32(in[1]); /* b0 b1 b2 b3 b4 b5 b6 b7 */
+ out[0] = _mm256_slli_epi32(out[0], 8);
+ out[1] = _mm256_slli_epi32(out[1], 8);
+
+ t[0] = _mm256_unpacklo_epi32(out[0], out[1]); /* a0 b0 a1 b1 a4 b4 a5 b5 */
+ t[1] = _mm256_unpackhi_epi32(out[0], out[1]); /* a2 b2 a3 b3 a6 b6 a7 b7 */
+
+#ifdef __x86_64__
+ *((int64_t*)(d + 0*n_channels)) = _mm256_extract_epi64(t[0], 0);
+ *((int64_t*)(d + 1*n_channels)) = _mm256_extract_epi64(t[0], 1);
+ *((int64_t*)(d + 2*n_channels)) = _mm256_extract_epi64(t[1], 0);
+ *((int64_t*)(d + 3*n_channels)) = _mm256_extract_epi64(t[1], 1);
+ *((int64_t*)(d + 4*n_channels)) = _mm256_extract_epi64(t[0], 2);
+ *((int64_t*)(d + 5*n_channels)) = _mm256_extract_epi64(t[0], 3);
+ *((int64_t*)(d + 6*n_channels)) = _mm256_extract_epi64(t[1], 2);
+ *((int64_t*)(d + 7*n_channels)) = _mm256_extract_epi64(t[1], 3);
+#else
+ _mm_storel_pi((__m64*)(d + 0*n_channels), (__m128)_mm256_extracti128_si256(t[0], 0));
+ _mm_storeh_pi((__m64*)(d + 1*n_channels), (__m128)_mm256_extracti128_si256(t[0], 0));
+ _mm_storel_pi((__m64*)(d + 2*n_channels), (__m128)_mm256_extracti128_si256(t[1], 0));
+ _mm_storeh_pi((__m64*)(d + 3*n_channels), (__m128)_mm256_extracti128_si256(t[1], 0));
+ _mm_storel_pi((__m64*)(d + 4*n_channels), (__m128)_mm256_extracti128_si256(t[0], 1));
+ _mm_storeh_pi((__m64*)(d + 5*n_channels), (__m128)_mm256_extracti128_si256(t[0], 1));
+ _mm_storel_pi((__m64*)(d + 6*n_channels), (__m128)_mm256_extracti128_si256(t[1], 1));
+ _mm_storeh_pi((__m64*)(d + 7*n_channels), (__m128)_mm256_extracti128_si256(t[1], 1));
+#endif
+ d += 8*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ __m128 in[2];
+ __m128i out[2];
+ __m128 scale = _mm_set1_ps(S24_SCALE);
+ __m128 int_min = _mm_set1_ps(S24_MIN);
+ __m128 int_max = _mm_set1_ps(S24_MAX);
+
+ in[0] = _mm_load_ss(&s0[n]);
+ in[1] = _mm_load_ss(&s1[n]);
+
+ in[0] = _mm_unpacklo_ps(in[0], in[1]);
+
+ in[0] = _mm_mul_ps(in[0], scale);
+ in[0] = _MM_CLAMP_PS(in[0], int_min, int_max);
+ out[0] = _mm_cvtps_epi32(in[0]);
+ out[0] = _mm_slli_epi32(out[0], 8);
+ _mm_storel_epi64((__m128i*)d, out[0]);
+ d += n_channels;
+ }
+}
+
+static void
+conv_f32d_to_s32_4s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const float *s0 = src[0], *s1 = src[1], *s2 = src[2], *s3 = src[3];
+ int32_t *d = dst;
+ uint32_t n, unrolled;
+ __m256 in[4];
+ __m256i out[4], t[4];
+ __m256 scale = _mm256_set1_ps(S24_SCALE);
+ __m256 int_min = _mm256_set1_ps(S24_MIN);
+ __m256 int_max = _mm256_set1_ps(S24_MAX);
+
+ if (SPA_IS_ALIGNED(s0, 32) &&
+ SPA_IS_ALIGNED(s1, 32) &&
+ SPA_IS_ALIGNED(s2, 32) &&
+ SPA_IS_ALIGNED(s3, 32))
+ unrolled = n_samples & ~7;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 8) {
+ in[0] = _mm256_mul_ps(_mm256_load_ps(&s0[n]), scale);
+ in[1] = _mm256_mul_ps(_mm256_load_ps(&s1[n]), scale);
+ in[2] = _mm256_mul_ps(_mm256_load_ps(&s2[n]), scale);
+ in[3] = _mm256_mul_ps(_mm256_load_ps(&s3[n]), scale);
+
+ in[0] = _MM256_CLAMP_PS(in[0], int_min, int_max);
+ in[1] = _MM256_CLAMP_PS(in[1], int_min, int_max);
+ in[2] = _MM256_CLAMP_PS(in[2], int_min, int_max);
+ in[3] = _MM256_CLAMP_PS(in[3], int_min, int_max);
+
+ out[0] = _mm256_cvtps_epi32(in[0]); /* a0 a1 a2 a3 a4 a5 a6 a7 */
+ out[1] = _mm256_cvtps_epi32(in[1]); /* b0 b1 b2 b3 b4 b5 b6 b7 */
+ out[2] = _mm256_cvtps_epi32(in[2]); /* c0 c1 c2 c3 c4 c5 c6 c7 */
+ out[3] = _mm256_cvtps_epi32(in[3]); /* d0 d1 d2 d3 d4 d5 d6 d7 */
+ out[0] = _mm256_slli_epi32(out[0], 8);
+ out[1] = _mm256_slli_epi32(out[1], 8);
+ out[2] = _mm256_slli_epi32(out[2], 8);
+ out[3] = _mm256_slli_epi32(out[3], 8);
+
+ t[0] = _mm256_unpacklo_epi32(out[0], out[1]); /* a0 b0 a1 b1 a4 b4 a5 b5 */
+ t[1] = _mm256_unpackhi_epi32(out[0], out[1]); /* a2 b2 a3 b3 a6 b6 a7 b7 */
+ t[2] = _mm256_unpacklo_epi32(out[2], out[3]); /* c0 d0 c1 d1 c4 d4 c5 d5 */
+ t[3] = _mm256_unpackhi_epi32(out[2], out[3]); /* c2 d2 c3 d3 c6 d6 c7 d7 */
+
+ out[0] = _mm256_unpacklo_epi64(t[0], t[2]); /* a0 b0 c0 d0 a4 b4 c4 d4 */
+ out[1] = _mm256_unpackhi_epi64(t[0], t[2]); /* a1 b1 c1 d1 a5 b5 c5 d5 */
+ out[2] = _mm256_unpacklo_epi64(t[1], t[3]); /* a2 b2 c2 d2 a6 b6 c6 d6 */
+ out[3] = _mm256_unpackhi_epi64(t[1], t[3]); /* a3 b3 c3 d3 a7 b7 c7 d7 */
+
+ _mm_storeu_si128((__m128i*)(d + 0*n_channels), _mm256_extracti128_si256(out[0], 0));
+ _mm_storeu_si128((__m128i*)(d + 1*n_channels), _mm256_extracti128_si256(out[1], 0));
+ _mm_storeu_si128((__m128i*)(d + 2*n_channels), _mm256_extracti128_si256(out[2], 0));
+ _mm_storeu_si128((__m128i*)(d + 3*n_channels), _mm256_extracti128_si256(out[3], 0));
+ _mm_storeu_si128((__m128i*)(d + 4*n_channels), _mm256_extracti128_si256(out[0], 1));
+ _mm_storeu_si128((__m128i*)(d + 5*n_channels), _mm256_extracti128_si256(out[1], 1));
+ _mm_storeu_si128((__m128i*)(d + 6*n_channels), _mm256_extracti128_si256(out[2], 1));
+ _mm_storeu_si128((__m128i*)(d + 7*n_channels), _mm256_extracti128_si256(out[3], 1));
+ d += 8*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ __m128 in[4];
+ __m128i out[4];
+ __m128 scale = _mm_set1_ps(S24_SCALE);
+ __m128 int_min = _mm_set1_ps(S24_MIN);
+ __m128 int_max = _mm_set1_ps(S24_MAX);
+
+ in[0] = _mm_load_ss(&s0[n]);
+ in[1] = _mm_load_ss(&s1[n]);
+ in[2] = _mm_load_ss(&s2[n]);
+ in[3] = _mm_load_ss(&s3[n]);
+
+ in[0] = _mm_unpacklo_ps(in[0], in[2]);
+ in[1] = _mm_unpacklo_ps(in[1], in[3]);
+ in[0] = _mm_unpacklo_ps(in[0], in[1]);
+
+ in[0] = _mm_mul_ps(in[0], scale);
+ in[0] = _MM_CLAMP_PS(in[0], int_min, int_max);
+ out[0] = _mm_cvtps_epi32(in[0]);
+ out[0] = _mm_slli_epi32(out[0], 8);
+ _mm_storeu_si128((__m128i*)d, out[0]);
+ d += n_channels;
+ }
+}
+
+void
+conv_f32d_to_s32_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
+ uint32_t n_samples)
+{
+ int32_t *d = dst[0];
+ uint32_t i = 0, n_channels = conv->n_channels;
+
+ for(; i + 3 < n_channels; i += 4)
+ conv_f32d_to_s32_4s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
+ for(; i + 1 < n_channels; i += 2)
+ conv_f32d_to_s32_2s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
+ for(; i < n_channels; i++)
+ conv_f32d_to_s32_1s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
+}
+
+static void
+conv_f32d_to_s16_1s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const float *s0 = src[0];
+ int16_t *d = dst;
+ uint32_t n, unrolled;
+ __m128 in[2];
+ __m128i out[2];
+ __m128 int_scale = _mm_set1_ps(S16_SCALE);
+ __m128 int_max = _mm_set1_ps(S16_MAX);
+ __m128 int_min = _mm_set1_ps(S16_MIN);
+
+ if (SPA_IS_ALIGNED(s0, 16))
+ unrolled = n_samples & ~7;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 8) {
+ in[0] = _mm_mul_ps(_mm_load_ps(&s0[n]), int_scale);
+ in[1] = _mm_mul_ps(_mm_load_ps(&s0[n+4]), int_scale);
+ out[0] = _mm_cvtps_epi32(in[0]);
+ out[1] = _mm_cvtps_epi32(in[1]);
+ out[0] = _mm_packs_epi32(out[0], out[1]);
+
+ d[0*n_channels] = _mm_extract_epi16(out[0], 0);
+ d[1*n_channels] = _mm_extract_epi16(out[0], 1);
+ d[2*n_channels] = _mm_extract_epi16(out[0], 2);
+ d[3*n_channels] = _mm_extract_epi16(out[0], 3);
+ d[4*n_channels] = _mm_extract_epi16(out[0], 4);
+ d[5*n_channels] = _mm_extract_epi16(out[0], 5);
+ d[6*n_channels] = _mm_extract_epi16(out[0], 6);
+ d[7*n_channels] = _mm_extract_epi16(out[0], 7);
+ d += 8*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ in[0] = _mm_mul_ss(_mm_load_ss(&s0[n]), int_scale);
+ in[0] = _MM_CLAMP_SS(in[0], int_min, int_max);
+ *d = _mm_cvtss_si32(in[0]);
+ d += n_channels;
+ }
+}
+
+static void
+conv_f32d_to_s16_2s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const float *s0 = src[0], *s1 = src[1];
+ int16_t *d = dst;
+ uint32_t n, unrolled;
+ __m256 in[2];
+ __m256i out[4], t[2];
+ __m256 int_scale = _mm256_set1_ps(S16_SCALE);
+
+ if (SPA_IS_ALIGNED(s0, 32) &&
+ SPA_IS_ALIGNED(s1, 32))
+ unrolled = n_samples & ~15;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 8) {
+ in[0] = _mm256_mul_ps(_mm256_load_ps(&s0[n+0]), int_scale);
+ in[1] = _mm256_mul_ps(_mm256_load_ps(&s1[n+0]), int_scale);
+
+ out[0] = _mm256_cvtps_epi32(in[0]); /* a0 a1 a2 a3 a4 a5 a6 a7 */
+ out[1] = _mm256_cvtps_epi32(in[1]); /* b0 b1 b2 b3 b4 b5 b6 b7 */
+
+ t[0] = _mm256_unpacklo_epi32(out[0], out[1]); /* a0 b0 a1 b1 a4 b4 a5 b5 */
+ t[1] = _mm256_unpackhi_epi32(out[0], out[1]); /* a2 b2 a3 b3 a6 b6 a7 b7 */
+
+ out[0] = _mm256_packs_epi32(t[0], t[1]); /* a0 b0 a1 b1 a2 b2 a3 b3 a4 b4 a5 b5 a6 b6 a7 b7 */
+
+ *((int32_t*)(d + 0*n_channels)) = _mm256_extract_epi32(out[0],0);
+ *((int32_t*)(d + 1*n_channels)) = _mm256_extract_epi32(out[0],1);
+ *((int32_t*)(d + 2*n_channels)) = _mm256_extract_epi32(out[0],2);
+ *((int32_t*)(d + 3*n_channels)) = _mm256_extract_epi32(out[0],3);
+ *((int32_t*)(d + 4*n_channels)) = _mm256_extract_epi32(out[0],4);
+ *((int32_t*)(d + 5*n_channels)) = _mm256_extract_epi32(out[0],5);
+ *((int32_t*)(d + 6*n_channels)) = _mm256_extract_epi32(out[0],6);
+ *((int32_t*)(d + 7*n_channels)) = _mm256_extract_epi32(out[0],7);
+
+ d += 8*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ __m128 in[2];
+ __m128 int_scale = _mm_set1_ps(S16_SCALE);
+ __m128 int_max = _mm_set1_ps(S16_MAX);
+ __m128 int_min = _mm_set1_ps(S16_MIN);
+
+ in[0] = _mm_mul_ss(_mm_load_ss(&s0[n]), int_scale);
+ in[1] = _mm_mul_ss(_mm_load_ss(&s1[n]), int_scale);
+ in[0] = _MM_CLAMP_SS(in[0], int_min, int_max);
+ in[1] = _MM_CLAMP_SS(in[1], int_min, int_max);
+ d[0] = _mm_cvtss_si32(in[0]);
+ d[1] = _mm_cvtss_si32(in[1]);
+ d += n_channels;
+ }
+}
+
+static void
+conv_f32d_to_s16_4s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
+ uint32_t n_channels, uint32_t n_samples)
+{
+ const float *s0 = src[0], *s1 = src[1], *s2 = src[2], *s3 = src[3];
+ int16_t *d = dst;
+ uint32_t n, unrolled;
+ __m256 in[4];
+ __m256i out[4], t[4];
+ __m256 int_scale = _mm256_set1_ps(S16_SCALE);
+
+ if (SPA_IS_ALIGNED(s0, 32) &&
+ SPA_IS_ALIGNED(s1, 32) &&
+ SPA_IS_ALIGNED(s2, 32) &&
+ SPA_IS_ALIGNED(s3, 32))
+ unrolled = n_samples & ~7;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 8) {
+ in[0] = _mm256_mul_ps(_mm256_load_ps(&s0[n]), int_scale);
+ in[1] = _mm256_mul_ps(_mm256_load_ps(&s1[n]), int_scale);
+ in[2] = _mm256_mul_ps(_mm256_load_ps(&s2[n]), int_scale);
+ in[3] = _mm256_mul_ps(_mm256_load_ps(&s3[n]), int_scale);
+
+ t[0] = _mm256_cvtps_epi32(in[0]); /* a0 a1 a2 a3 a4 a5 a6 a7 */
+ t[1] = _mm256_cvtps_epi32(in[1]); /* b0 b1 b2 b3 b4 b5 b6 b7 */
+ t[2] = _mm256_cvtps_epi32(in[2]); /* c0 c1 c2 c3 c4 c5 c6 c7 */
+ t[3] = _mm256_cvtps_epi32(in[3]); /* d0 d1 d2 d3 d4 d5 d6 d7 */
+
+ t[0] = _mm256_packs_epi32(t[0], t[2]); /* a0 a1 a2 a3 c0 c1 c2 c3 a4 a5 a6 a7 c4 c5 c6 c7 */
+ t[1] = _mm256_packs_epi32(t[1], t[3]); /* b0 b1 b2 b3 d0 d1 d2 d3 b4 b5 b6 b7 d4 d5 d6 d7 */
+
+ out[0] = _mm256_unpacklo_epi16(t[0], t[1]); /* a0 b0 a1 b1 a2 b2 a3 b3 a4 b4 a5 b5 a6 b6 a7 b7 */
+ out[1] = _mm256_unpackhi_epi16(t[0], t[1]); /* c0 d0 c1 d1 c2 d2 c3 d3 c4 d4 c5 d5 c6 d6 c7 d7 */
+
+ out[2] = _mm256_unpacklo_epi32(out[0], out[1]); /* a0 b0 c0 d0 a1 b1 c1 d1 a4 b4 c4 d4 a5 b5 c5 d5 */
+ out[3] = _mm256_unpackhi_epi32(out[0], out[1]); /* a2 b2 c2 d2 a3 b3 c3 d3 a6 b6 c6 d6 a7 b7 c7 d7 */
+
+#ifdef __x86_64__
+ *(int64_t*)(d + 0*n_channels) = _mm256_extract_epi64(out[2], 0); /* a0 b0 c0 d0 */
+ *(int64_t*)(d + 1*n_channels) = _mm256_extract_epi64(out[2], 1); /* a1 b1 c1 d1 */
+ *(int64_t*)(d + 2*n_channels) = _mm256_extract_epi64(out[3], 0); /* a2 b2 c2 d2 */
+ *(int64_t*)(d + 3*n_channels) = _mm256_extract_epi64(out[3], 1); /* a3 b3 c3 d3 */
+ *(int64_t*)(d + 4*n_channels) = _mm256_extract_epi64(out[2], 2); /* a4 b4 c4 d4 */
+ *(int64_t*)(d + 5*n_channels) = _mm256_extract_epi64(out[2], 3); /* a5 b5 c5 d5 */
+ *(int64_t*)(d + 6*n_channels) = _mm256_extract_epi64(out[3], 2); /* a6 b6 c6 d6 */
+ *(int64_t*)(d + 7*n_channels) = _mm256_extract_epi64(out[3], 3); /* a7 b7 c7 d7 */
+#else
+ _mm_storel_pi((__m64*)(d + 0*n_channels), (__m128)_mm256_extracti128_si256(out[2], 0));
+ _mm_storeh_pi((__m64*)(d + 1*n_channels), (__m128)_mm256_extracti128_si256(out[2], 0));
+ _mm_storel_pi((__m64*)(d + 2*n_channels), (__m128)_mm256_extracti128_si256(out[3], 0));
+ _mm_storeh_pi((__m64*)(d + 3*n_channels), (__m128)_mm256_extracti128_si256(out[3], 0));
+ _mm_storel_pi((__m64*)(d + 4*n_channels), (__m128)_mm256_extracti128_si256(out[2], 1));
+ _mm_storeh_pi((__m64*)(d + 5*n_channels), (__m128)_mm256_extracti128_si256(out[2], 1));
+ _mm_storel_pi((__m64*)(d + 6*n_channels), (__m128)_mm256_extracti128_si256(out[3], 1));
+ _mm_storeh_pi((__m64*)(d + 7*n_channels), (__m128)_mm256_extracti128_si256(out[3], 1));
+#endif
+
+ d += 8*n_channels;
+ }
+ for(; n < n_samples; n++) {
+ __m128 in[4];
+ __m128 int_scale = _mm_set1_ps(S16_SCALE);
+ __m128 int_max = _mm_set1_ps(S16_MAX);
+ __m128 int_min = _mm_set1_ps(S16_MIN);
+
+ in[0] = _mm_mul_ss(_mm_load_ss(&s0[n]), int_scale);
+ in[1] = _mm_mul_ss(_mm_load_ss(&s1[n]), int_scale);
+ in[2] = _mm_mul_ss(_mm_load_ss(&s2[n]), int_scale);
+ in[3] = _mm_mul_ss(_mm_load_ss(&s3[n]), int_scale);
+ in[0] = _MM_CLAMP_SS(in[0], int_min, int_max);
+ in[1] = _MM_CLAMP_SS(in[1], int_min, int_max);
+ in[2] = _MM_CLAMP_SS(in[2], int_min, int_max);
+ in[3] = _MM_CLAMP_SS(in[3], int_min, int_max);
+ d[0] = _mm_cvtss_si32(in[0]);
+ d[1] = _mm_cvtss_si32(in[1]);
+ d[2] = _mm_cvtss_si32(in[2]);
+ d[3] = _mm_cvtss_si32(in[3]);
+ d += n_channels;
+ }
+}
+
+void
+conv_f32d_to_s16_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
+ uint32_t n_samples)
+{
+ int16_t *d = dst[0];
+ uint32_t i = 0, n_channels = conv->n_channels;
+
+ for(; i + 3 < n_channels; i += 4)
+ conv_f32d_to_s16_4s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
+ for(; i + 1 < n_channels; i += 2)
+ conv_f32d_to_s16_2s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
+ for(; i < n_channels; i++)
+ conv_f32d_to_s16_1s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
+}
+
+void
+conv_f32d_to_s16_4_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
+ uint32_t n_samples)
+{
+ const float *s0 = src[0], *s1 = src[1], *s2 = src[2], *s3 = src[3];
+ int16_t *d = dst[0];
+ uint32_t n, unrolled;
+ __m256 in[4];
+ __m256i out[4], t[4];
+ __m256 int_scale = _mm256_set1_ps(S16_SCALE);
+
+ if (SPA_IS_ALIGNED(s0, 32) &&
+ SPA_IS_ALIGNED(s1, 32) &&
+ SPA_IS_ALIGNED(s2, 32) &&
+ SPA_IS_ALIGNED(s3, 32))
+ unrolled = n_samples & ~7;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 8) {
+ in[0] = _mm256_mul_ps(_mm256_load_ps(&s0[n]), int_scale);
+ in[1] = _mm256_mul_ps(_mm256_load_ps(&s1[n]), int_scale);
+ in[2] = _mm256_mul_ps(_mm256_load_ps(&s2[n]), int_scale);
+ in[3] = _mm256_mul_ps(_mm256_load_ps(&s3[n]), int_scale);
+
+ t[0] = _mm256_cvtps_epi32(in[0]); /* a0 a1 a2 a3 a4 a5 a6 a7 */
+ t[1] = _mm256_cvtps_epi32(in[1]); /* b0 b1 b2 b3 b4 b5 b6 b7 */
+ t[2] = _mm256_cvtps_epi32(in[2]); /* c0 c1 c2 c3 c4 c5 c6 c7 */
+ t[3] = _mm256_cvtps_epi32(in[3]); /* d0 d1 d2 d3 d4 d5 d6 d7 */
+
+ t[0] = _mm256_packs_epi32(t[0], t[2]); /* a0 a1 a2 a3 c0 c1 c2 c3 a4 a5 a6 a7 c4 c5 c6 c7 */
+ t[1] = _mm256_packs_epi32(t[1], t[3]); /* b0 b1 b2 b3 d0 d1 d2 d3 b4 b5 b6 b7 d4 d5 d6 d7 */
+
+ out[0] = _mm256_unpacklo_epi16(t[0], t[1]); /* a0 b0 a1 b1 a2 b2 a3 b3 a4 b4 a5 b5 a6 b6 a7 b7 */
+ out[1] = _mm256_unpackhi_epi16(t[0], t[1]); /* c0 d0 c1 d1 c2 d2 c3 d3 c4 d4 c5 d5 c6 d6 c7 d7 */
+
+ t[0] = _mm256_unpacklo_epi32(out[0], out[1]); /* a0 b0 c0 d0 a1 b1 c1 d1 a4 b4 c4 d4 a5 b5 c5 d5 */
+ t[2] = _mm256_unpackhi_epi32(out[0], out[1]); /* a2 b2 c2 d2 a3 b3 c3 d3 a6 b6 c6 d6 a7 b7 c7 d7 */
+
+ out[0] = _mm256_inserti128_si256(t[0], _mm256_extracti128_si256(t[2], 0), 1);
+ out[2] = _mm256_inserti128_si256(t[2], _mm256_extracti128_si256(t[0], 1), 0);
+
+ _mm256_store_si256((__m256i*)(d+0), out[0]);
+ _mm256_store_si256((__m256i*)(d+16), out[2]);
+ d += 32;
+ }
+ for(; n < n_samples; n++) {
+ __m128 in[4];
+ __m128 int_scale = _mm_set1_ps(S16_SCALE);
+ __m128 int_max = _mm_set1_ps(S16_MAX);
+ __m128 int_min = _mm_set1_ps(S16_MIN);
+
+ in[0] = _mm_mul_ss(_mm_load_ss(&s0[n]), int_scale);
+ in[1] = _mm_mul_ss(_mm_load_ss(&s1[n]), int_scale);
+ in[2] = _mm_mul_ss(_mm_load_ss(&s2[n]), int_scale);
+ in[3] = _mm_mul_ss(_mm_load_ss(&s3[n]), int_scale);
+ in[0] = _MM_CLAMP_SS(in[0], int_min, int_max);
+ in[1] = _MM_CLAMP_SS(in[1], int_min, int_max);
+ in[2] = _MM_CLAMP_SS(in[2], int_min, int_max);
+ in[3] = _MM_CLAMP_SS(in[3], int_min, int_max);
+ d[0] = _mm_cvtss_si32(in[0]);
+ d[1] = _mm_cvtss_si32(in[1]);
+ d[2] = _mm_cvtss_si32(in[2]);
+ d[3] = _mm_cvtss_si32(in[3]);
+ d += 4;
+ }
+}
+void
+conv_f32d_to_s16_2_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
+ uint32_t n_samples)
+{
+ const float *s0 = src[0], *s1 = src[1];
+ int16_t *d = dst[0];
+ uint32_t n, unrolled;
+ __m256 in[4];
+ __m256i out[4], t[4];
+ __m256 int_scale = _mm256_set1_ps(S16_SCALE);
+
+ if (SPA_IS_ALIGNED(s0, 32) &&
+ SPA_IS_ALIGNED(s1, 32))
+ unrolled = n_samples & ~15;
+ else
+ unrolled = 0;
+
+ for(n = 0; n < unrolled; n += 16) {
+ in[0] = _mm256_mul_ps(_mm256_load_ps(&s0[n+0]), int_scale);
+ in[1] = _mm256_mul_ps(_mm256_load_ps(&s1[n+0]), int_scale);
+ in[2] = _mm256_mul_ps(_mm256_load_ps(&s0[n+8]), int_scale);
+ in[3] = _mm256_mul_ps(_mm256_load_ps(&s1[n+8]), int_scale);
+
+ out[0] = _mm256_cvtps_epi32(in[0]); /* a0 a1 a2 a3 a4 a5 a6 a7 */
+ out[1] = _mm256_cvtps_epi32(in[1]); /* b0 b1 b2 b3 b4 b5 b6 b7 */
+ out[2] = _mm256_cvtps_epi32(in[2]); /* a0 a1 a2 a3 a4 a5 a6 a7 */
+ out[3] = _mm256_cvtps_epi32(in[3]); /* b0 b1 b2 b3 b4 b5 b6 b7 */
+
+ t[0] = _mm256_unpacklo_epi32(out[0], out[1]); /* a0 b0 a1 b1 a4 b4 a5 b5 */
+ t[1] = _mm256_unpackhi_epi32(out[0], out[1]); /* a2 b2 a3 b3 a6 b6 a7 b7 */
+ t[2] = _mm256_unpacklo_epi32(out[2], out[3]); /* a0 b0 a1 b1 a4 b4 a5 b5 */
+ t[3] = _mm256_unpackhi_epi32(out[2], out[3]); /* a2 b2 a3 b3 a6 b6 a7 b7 */
+
+ out[0] = _mm256_packs_epi32(t[0], t[1]); /* a0 b0 a1 b1 a2 b2 a3 b3 a4 b4 a5 b5 a6 b6 a7 b7 */
+ out[1] = _mm256_packs_epi32(t[2], t[3]); /* a0 b0 a1 b1 a2 b2 a3 b3 a4 b4 a5 b5 a6 b6 a7 b7 */
+
+ _mm256_store_si256((__m256i*)(d+0), out[0]);
+ _mm256_store_si256((__m256i*)(d+16), out[1]);
+
+ d += 32;
+ }
+ for(; n < n_samples; n++) {
+ __m128 in[4];
+ __m128 int_scale = _mm_set1_ps(S16_SCALE);
+ __m128 int_max = _mm_set1_ps(S16_MAX);
+ __m128 int_min = _mm_set1_ps(S16_MIN);
+
+ in[0] = _mm_mul_ss(_mm_load_ss(&s0[n]), int_scale);
+ in[1] = _mm_mul_ss(_mm_load_ss(&s1[n]), int_scale);
+ in[0] = _MM_CLAMP_SS(in[0], int_min, int_max);
+ in[1] = _MM_CLAMP_SS(in[1], int_min, int_max);
+ d[0] = _mm_cvtss_si32(in[0]);
+ d[1] = _mm_cvtss_si32(in[1]);
+ d += 2;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 20:29:55 +0000