Adding upstream version 0.3.65.upstream/0.3.65upstream

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

1 files changed, 94 insertions, 0 deletions

diff --git a/spa/plugins/audioconvert/resample-native-sse.c b/spa/plugins/audioconvert/resample-native-sse.c
new file mode 100644
index 0000000..fcdb32c
--- /dev/null
+++ b/spa/plugins/audioconvert/resample-native-sse.c
@@ -0,0 +1,94 @@
+/* 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 <xmmintrin.h>
+
+static inline void inner_product_sse(float *d, const float * SPA_RESTRICT s,
+		const float * SPA_RESTRICT taps, uint32_t n_taps)
+{
+	__m128 sum = _mm_setzero_ps();
+	uint32_t i = 0;
+#if 0
+	uint32_t unrolled = n_taps & ~15;
+
+	for (i = 0; i < unrolled; i += 16) {
+		sum = _mm_add_ps(sum,
+			_mm_mul_ps(
+				_mm_loadu_ps(s + i + 0),
+				_mm_load_ps(taps + i + 0)));
+		sum = _mm_add_ps(sum,
+			_mm_mul_ps(
+				_mm_loadu_ps(s + i + 4),
+				_mm_load_ps(taps + i + 4)));
+		sum = _mm_add_ps(sum,
+			_mm_mul_ps(
+				_mm_loadu_ps(s + i + 8),
+				_mm_load_ps(taps + i + 8)));
+		sum = _mm_add_ps(sum,
+			_mm_mul_ps(
+				_mm_loadu_ps(s + i + 12),
+				_mm_load_ps(taps + i + 12)));
+	}
+#endif
+	for (; i < n_taps; i += 8) {
+		sum = _mm_add_ps(sum,
+			_mm_mul_ps(
+				_mm_loadu_ps(s + i + 0),
+				_mm_load_ps(taps + i + 0)));
+		sum = _mm_add_ps(sum,
+			_mm_mul_ps(
+				_mm_loadu_ps(s + i + 4),
+				_mm_load_ps(taps + i + 4)));
+	}
+	sum = _mm_add_ps(sum, _mm_movehl_ps(sum, sum));
+	sum = _mm_add_ss(sum, _mm_shuffle_ps(sum, sum, 0x55));
+	_mm_store_ss(d, sum);
+}
+
+static inline void inner_product_ip_sse(float *d, const float * SPA_RESTRICT s,
+	const float * SPA_RESTRICT t0, const float * SPA_RESTRICT t1, float x,
+	uint32_t n_taps)
+{
+	__m128 sum[2] = { _mm_setzero_ps (), _mm_setzero_ps () }, t;
+	uint32_t i;
+
+	for (i = 0; i < n_taps; i += 8) {
+		t = _mm_loadu_ps(s + i + 0);
+		sum[0] = _mm_add_ps(sum[0], _mm_mul_ps(t, _mm_load_ps(t0 + i + 0)));
+		sum[1] = _mm_add_ps(sum[1], _mm_mul_ps(t, _mm_load_ps(t1 + i + 0)));
+		t = _mm_loadu_ps(s + i + 4);
+		sum[0] = _mm_add_ps(sum[0], _mm_mul_ps(t, _mm_load_ps(t0 + i + 4)));
+		sum[1] = _mm_add_ps(sum[1], _mm_mul_ps(t, _mm_load_ps(t1 + i + 4)));
+	}
+	sum[1] = _mm_mul_ps(_mm_sub_ps(sum[1], sum[0]), _mm_load1_ps(&x));
+	sum[0] = _mm_add_ps(sum[0], sum[1]);
+	sum[0] = _mm_add_ps(sum[0], _mm_movehl_ps(sum[0], sum[0]));
+	sum[0] = _mm_add_ss(sum[0], _mm_shuffle_ps(sum[0], sum[0], 0x55));
+	_mm_store_ss(d, sum[0]);
+}
+
+MAKE_RESAMPLER_FULL(sse);
+MAKE_RESAMPLER_INTER(sse);