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-rw-r--r--src/.gitignore1
-rw-r--r--src/Makefile.am9
-rw-r--r--src/pulsecore/vector.h97
-rw-r--r--src/tests/vector-test.c83
4 files changed, 189 insertions, 1 deletions
diff --git a/src/.gitignore b/src/.gitignore
index 72c38cc6..66738d0a 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -58,3 +58,4 @@ thread-test
utf8-test
voltest
start-pulseaudio-x11
+vector-test
diff --git a/src/Makefile.am b/src/Makefile.am
index 8d1271c3..b59e50ae 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -233,6 +233,7 @@ TESTS = \
strlist-test \
close-test \
voltest \
+ vector-test \
memblockq-test \
channelmap-test \
thread-mainloop-test \
@@ -263,6 +264,7 @@ TESTS_BINARIES = \
strlist-test \
close-test \
voltest \
+ vector-test \
memblockq-test \
sync-playback \
interpol-test \
@@ -408,6 +410,11 @@ voltest_CFLAGS = $(AM_CFLAGS)
voltest_LDADD = $(AM_LDADD) libpulse.la
voltest_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
+vector_test_SOURCES = tests/vector-test.c
+vector_test_CFLAGS = $(AM_CFLAGS)
+vector_test_LDADD = $(AM_LDADD) libpulsecore-@PA_MAJORMINORMICRO@.la libpulsecommon-@PA_MAJORMINORMICRO@.la
+vector_test_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
+
channelmap_test_SOURCES = tests/channelmap-test.c
channelmap_test_CFLAGS = $(AM_CFLAGS)
channelmap_test_LDADD = $(AM_LDADD) libpulse.la
@@ -527,7 +534,7 @@ libpulsecommon_@PA_MAJORMINORMICRO@_la_SOURCES = \
pulsecore/llist.h \
pulsecore/lock-autospawn.c pulsecore/lock-autospawn.h \
pulsecore/log.c pulsecore/log.h \
- pulsecore/macro.h \
+ pulsecore/macro.h pulsecore/vector.h \
pulsecore/mcalign.c pulsecore/mcalign.h \
pulsecore/memblock.c pulsecore/memblock.h \
pulsecore/memblockq.c pulsecore/memblockq.h \
diff --git a/src/pulsecore/vector.h b/src/pulsecore/vector.h
new file mode 100644
index 00000000..076bd6c0
--- /dev/null
+++ b/src/pulsecore/vector.h
@@ -0,0 +1,97 @@
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#include <inttypes.h>
+
+/* First, define HAVE_VECTOR if we have the gcc vector extensions at all */
+#if defined(__SSE2__) || defined(__ALTIVEC__)
+#define HAVE_VECTOR
+
+
+/* This is supposed to be portable to different SIMD instruction
+ * sets. We define vector types for different base types: uint8_t,
+ * int16_t, int32_t, float. The vector type is a union. The fields .i,
+ * .u, .f are arrays for accessing the separate elements of a
+ * vector. .v is a gcc vector type of the right format. .m is the
+ * vector in the type the SIMD extenstion specific intrinsics API
+ * expects. PA_xxx_VECTOR_SIZE is the size of the
+ * entries. PA_xxxx_VECTOR_MAKE constructs a gcc vector variable with
+ * the same value in all elements. */
+
+#ifdef __SSE2__
+
+#include <xmmintrin.h>
+#include <emmintrin.h>
+
+#define PA_UINT8_VECTOR_SIZE 16
+#define PA_INT16_VECTOR_SIZE 8
+#define PA_INT32_VECTOR_SIZE 4
+#define PA_FLOAT_VECTOR_SIZE 4
+
+#define PA_UINT8_VECTOR_MAKE(x) (pa_v16qi) { x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x }
+#define PA_INT16_VECTOR_MAKE(x) (pa_v8hi) { x, x, x, x, x, x, x, x }
+#define PA_INT32_VECTOR_MAKE(x) (pa_v4si) { x, x, x, x }
+#define PA_FLOAT_VECTOR_MAKE(x) (pa_v4fi) { x, x, x, x }
+
+#endif
+
+/* uint8_t vector */
+typedef uint8_t pa_v16qi __attribute__ ((vector_size (PA_UINT8_VECTOR_SIZE * sizeof(uint8_t))));
+typedef union pa_uint8_vector {
+ uint8_t u[PA_UINT8_VECTOR_SIZE];
+ pa_v16qi v;
+#ifdef __SSE2__
+ __m128i m;
+#endif
+} pa_uint8_vector_t;
+
+/* int16_t vector*/
+typedef int16_t pa_v8hi __attribute__ ((vector_size (PA_INT16_VECTOR_SIZE * sizeof(int16_t))));
+typedef union pa_int16_vector {
+ int16_t i[PA_INT16_VECTOR_SIZE];
+ pa_v8hi v;
+#ifdef __SSE2__
+ __m128i m;
+#endif
+} pa_int16_vector_t;
+
+/* int32_t vector */
+typedef int32_t pa_v4si __attribute__ ((vector_size (PA_INT32_VECTOR_SIZE * sizeof(int32_t))));
+typedef union pa_int32_vector {
+ int32_t i[PA_INT32_VECTOR_SIZE];
+ pa_v4si v;
+#ifdef __SSE2__
+ __m128i m;
+#endif
+} pa_int32_vector_t;
+
+/* float vector */
+typedef float pa_v4sf __attribute__ ((vector_size (PA_FLOAT_VECTOR_SIZE * sizeof(float))));
+typedef union pa_float_vector {
+ float f[PA_FLOAT_VECTOR_SIZE];
+ pa_v4sf v;
+#ifdef __SSE2__
+ __m128 m;
+#endif
+} pa_float_vector_t;
+
+#endif
diff --git a/src/tests/vector-test.c b/src/tests/vector-test.c
new file mode 100644
index 00000000..f7344172
--- /dev/null
+++ b/src/tests/vector-test.c
@@ -0,0 +1,83 @@
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2009 Lennart Poettering
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <pulsecore/vector.h>
+#include <pulsecore/log.h>
+
+int main(int argc, char *argv[]) {
+
+#ifdef __SSE2__
+ pa_int16_vector_t input, zero;
+ pa_int32_vector_t unpacked1, unpacked2;
+ pa_int32_vector_t volume1, volume2, volume1_hi, volume1_lo, volume2_hi, volume2_lo, reduce, mask;
+ pa_int16_vector_t output;
+
+ unsigned u;
+
+ zero.v = PA_INT16_VECTOR_MAKE(0);
+ reduce.v = PA_INT32_VECTOR_MAKE(0x10000);
+ volume1.v = volume2.v = PA_INT32_VECTOR_MAKE(0x10000*2+7);
+ mask.v = PA_INT32_VECTOR_MAKE(0xFFFF);
+
+ volume1_lo.m = _mm_and_si128(volume1.m, mask.m);
+ volume2_lo.m = _mm_and_si128(volume2.m, mask.m);
+ volume1_hi.m = _mm_srli_epi32(volume1.m, 16);
+ volume2_hi.m = _mm_srli_epi32(volume2.m, 16);
+
+ input.v = PA_INT16_VECTOR_MAKE(32000);
+
+ for (u = 0; u < PA_INT16_VECTOR_SIZE; u++)
+ pa_log("input=%i\n", input.i[u]);
+
+ unpacked1.m = _mm_unpackhi_epi16(zero.m, input.m);
+ unpacked2.m = _mm_unpacklo_epi16(zero.m, input.m);
+
+ for (u = 0; u < PA_INT32_VECTOR_SIZE; u++)
+ pa_log("unpacked1=%i\n", unpacked1.i[u]);
+
+ unpacked1.v /= reduce.v;
+ unpacked2.v /= reduce.v;
+
+ for (u = 0; u < PA_INT32_VECTOR_SIZE; u++)
+ pa_log("unpacked1=%i\n", unpacked1.i[u]);
+
+ for (u = 0; u < PA_INT32_VECTOR_SIZE; u++)
+ pa_log("volume1=%i\n", volume1.i[u]);
+
+ unpacked1.v = (unpacked1.v * volume1_lo.v) / reduce.v + unpacked1.v * volume1_hi.v;
+ unpacked2.v = (unpacked2.v * volume2_lo.v) / reduce.v + unpacked2.v * volume2_hi.v;
+
+ for (u = 0; u < PA_INT32_VECTOR_SIZE; u++)
+ pa_log("unpacked1=%i\n", unpacked1.i[u]);
+
+ output.m = _mm_packs_epi32(unpacked1.m, unpacked2.m);
+
+ for (u = 0; u < PA_INT16_VECTOR_SIZE; u++)
+ pa_log("output=%i\n", output.i[u]);
+
+#endif
+
+ return 0;
+}