Adding upstream version 0.3.65.upstream/0.3.65upstream

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

1 files changed, 111 insertions, 0 deletions

diff --git a/spa/plugins/audioconvert/fmt-ops-ssse3.c b/spa/plugins/audioconvert/fmt-ops-ssse3.c
new file mode 100644
index 0000000..c35c7c9
--- /dev/null
+++ b/spa/plugins/audioconvert/fmt-ops-ssse3.c
@@ -0,0 +1,111 @@
+/* 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 <tmmintrin.h>
+
+static void
+conv_s24_to_f32d_4s_ssse3(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
+		uint32_t n_channels, uint32_t n_samples)
+{
+	const int24_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);
+	const __m128i mask = _mm_setr_epi8(-1, 0, 1, 2, -1, 3, 4, 5, -1, 6, 7, 8, -1, 9, 10, 11);
+	//const __m128i mask = _mm_set_epi8(15, 14, 13, -1, 12, 11, 10, -1, 9, 8, 7, -1, 6, 5, 4, -1);
+
+	if (SPA_IS_ALIGNED(d0, 16) &&
+	    SPA_IS_ALIGNED(d1, 16) &&
+	    SPA_IS_ALIGNED(d2, 16) &&
+	    SPA_IS_ALIGNED(d3, 16))
+		unrolled = n_samples & ~3;
+	else
+		unrolled = 0;
+
+	for(n = 0; n < unrolled; n += 4) {
+                in[0] = _mm_loadu_si128((__m128i*)(s + 0*n_channels));
+                in[1] = _mm_loadu_si128((__m128i*)(s + 1*n_channels));
+                in[2] = _mm_loadu_si128((__m128i*)(s + 2*n_channels));
+                in[3] = _mm_loadu_si128((__m128i*)(s + 3*n_channels));
+		in[0] = _mm_shuffle_epi8(in[0], mask);
+		in[1] = _mm_shuffle_epi8(in[1], mask);
+		in[2] = _mm_shuffle_epi8(in[2], mask);
+		in[3] = _mm_shuffle_epi8(in[3], mask);
+		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_TRANSPOSE4_PS(out[0], out[1], out[2], out[3]);
+
+		_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 += 4 * n_channels;
+	}
+	for(; n < n_samples; n++) {
+		out[0] = _mm_cvtsi32_ss(factor, s24_to_s32(*s));
+		out[1] = _mm_cvtsi32_ss(factor, s24_to_s32(*(s+1)));
+		out[2] = _mm_cvtsi32_ss(factor, s24_to_s32(*(s+2)));
+		out[3] = _mm_cvtsi32_ss(factor, s24_to_s32(*(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 += n_channels;
+	}
+}
+
+void
+conv_s24_to_f32d_1s_sse2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
+		uint32_t n_channels, uint32_t n_samples);
+
+void
+conv_s24_to_f32d_ssse3(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_ssse3(conv, &dst[i], &s[3*i], n_channels, n_samples);
+	for(; i < n_channels; i++)
+		conv_s24_to_f32d_1s_sse2(conv, &dst[i], &s[3*i], n_channels, n_samples);
+}