Adding upstream version 0.3.65.upstream/0.3.65upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 115 insertions, 0 deletions

diff --git a/spa/plugins/audioconvert/resample-native-ssse3.c b/spa/plugins/audioconvert/resample-native-ssse3.c
new file mode 100644
index 0000000..ac3675f
--- /dev/null
+++ b/spa/plugins/audioconvert/resample-native-ssse3.c
@@ -0,0 +1,115 @@
+/* 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 "resample-native-impl.h"
+
+#include <tmmintrin.h>
+
+static inline void inner_product_ssse3(float *d, const float * SPA_RESTRICT s,
+		const float * SPA_RESTRICT taps, uint32_t n_taps)
+{
+	__m128 sum = _mm_setzero_ps();
+	__m128 t0, t1;
+	uint32_t i;
+
+	switch (SPA_PTR_ALIGNMENT(s, 16)) {
+	case 0:
+		for (i = 0; i < n_taps; i += 8) {
+			sum = _mm_add_ps(sum,
+				_mm_mul_ps(
+					_mm_load_ps(s + i + 0),
+					_mm_load_ps(taps + i + 0)));
+			sum = _mm_add_ps(sum,
+				_mm_mul_ps(
+					_mm_load_ps(s + i + 4),
+					_mm_load_ps(taps + i + 4)));
+		}
+		break;
+	case 4:
+		t0 = _mm_load_ps(s - 1);
+		for (i = 0; i < n_taps; i += 8) {
+			t1 = _mm_load_ps(s + i + 3);
+			t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 4);
+			sum = _mm_add_ps(sum,
+				_mm_mul_ps(t0, _mm_load_ps(taps + i + 0)));
+			t0 = t1;
+			t1 = _mm_load_ps(s + i + 7);
+			t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 4);
+			sum = _mm_add_ps(sum,
+				_mm_mul_ps(t0, _mm_load_ps(taps + i + 4)));
+			t0 = t1;
+		}
+		break;
+	case 8:
+		t0 = _mm_load_ps(s - 2);
+		for (i = 0; i < n_taps; i += 8) {
+			t1 = _mm_load_ps(s + i + 2);
+			t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 8);
+			sum = _mm_add_ps(sum,
+				_mm_mul_ps(t0, _mm_load_ps(taps + i + 0)));
+			t0 = t1;
+			t1 = _mm_load_ps(s + i + 6);
+			t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 8);
+			sum = _mm_add_ps(sum,
+				_mm_mul_ps(t0, _mm_load_ps(taps + i + 4)));
+			t0 = t1;
+		}
+		break;
+	case 12:
+		t0 = _mm_load_ps(s - 3);
+		for (i = 0; i < n_taps; i += 8) {
+			t1 = _mm_load_ps(s + i + 1);
+			t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 12);
+			sum = _mm_add_ps(sum,
+				_mm_mul_ps(t0, _mm_load_ps(taps + i + 0)));
+			t0 = t1;
+			t1 = _mm_load_ps(s + i + 5);
+			t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 12);
+			sum = _mm_add_ps(sum,
+				_mm_mul_ps(t0, _mm_load_ps(taps + i + 4)));
+			t0 = t1;
+		}
+		break;
+	}
+	sum = _mm_add_ps(sum, _mm_movehdup_ps(sum));
+	sum = _mm_add_ss(sum, _mm_movehl_ps(sum, sum));
+	_mm_store_ss(d, sum);
+}
+
+static inline void inner_product_ip_ssse3(float *d, const float * SPA_RESTRICT s,
+	const float * SPA_RESTRICT t0, const float * SPA_RESTRICT t1, float x,
+	uint32_t n_taps)
+{
+	float sum[2] = { 0.0f, 0.0f };
+	uint32_t i;
+
+	for (i = 0; i < n_taps; i++) {
+		sum[0] += s[i] * t0[i];
+		sum[1] += s[i] * t1[i];
+	}
+	*d = (sum[1] - sum[0]) * x + sum[0];
+}
+
+MAKE_RESAMPLER_FULL(ssse3);
+MAKE_RESAMPLER_INTER(ssse3);