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audio-resampler: Fix compilation of intrinsics

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Only compile intrinsics when we are building for the selected
architecture.
Add sse4.1 optimized int32 resampler code.
This commit is contained in:
Wim Taymans 2016-01-15 12:45:47 +01:00
parent 98bd349b88
commit e74c207433
2 changed files with 80 additions and 24 deletions
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2
configure.ac
View file

@ -174,7 +174,7 @@ AC_HEADER_STDC
dnl check for GCC specific SSE headers dnl check for GCC specific SSE headers
dnl these are used by the speex resampler code dnl these are used by the speex resampler code
AC_CHECK_HEADERS([xmmintrin.h emmintrin.h]) AC_CHECK_HEADERS([xmmintrin.h emmintrin.h smmintrin.h])
dnl used in gst/tcp dnl used in gst/tcp
AC_CHECK_HEADERS([sys/socket.h], AC_CHECK_HEADERS([sys/socket.h],

102
gst-libs/gst/audio/audio-resampler-x86.h
View file

@ -17,7 +17,32 @@
* Boston, MA 02110-1301, USA. * Boston, MA 02110-1301, USA.
*/ */
#ifdef HAVE_EMMINTRIN_H #if defined (HAVE_XMMINTRIN_H) && defined(__SSE__)
#include <xmmintrin.h>
static inline void
inner_product_gfloat_1_sse (gfloat * o, const gfloat * a, const gfloat * b, gint len)
{
gint i = 0;
__m128 sum = _mm_setzero_ps ();
for (; i < len; i += 8) {
sum =
_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 0),
_mm_load_ps (b + i + 0)));
sum =
_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 4),
_mm_load_ps (b + 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 (o, sum);
}
MAKE_RESAMPLE_FUNC (gfloat, 1, sse);
#endif
#if defined (HAVE_EMMINTRIN_H) && defined(__SSE2__)
#include <emmintrin.h> #include <emmintrin.h>
static inline void static inline void
@ -47,25 +72,6 @@ inner_product_gint16_1_sse2 (gint16 * o, const gint16 * a, const gint16 * b, gin
*o = _mm_extract_epi16 (sum, 0); *o = _mm_extract_epi16 (sum, 0);
} }
static inline void
inner_product_gfloat_1_sse (gfloat * o, const gfloat * a, const gfloat * b, gint len)
{
gint i = 0;
__m128 sum = _mm_setzero_ps ();
for (; i < len; i += 8) {
sum =
_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 0),
_mm_load_ps (b + i + 0)));
sum =
_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 4),
_mm_load_ps (b + 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 (o, sum);
}
static inline void static inline void
inner_product_gdouble_1_sse2 (gdouble * o, const gdouble * a, const gdouble * b, inner_product_gdouble_1_sse2 (gdouble * o, const gdouble * a, const gdouble * b,
gint len) gint len)
@ -150,26 +156,76 @@ inner_product_gdouble_2_sse2 (gdouble * o, const gdouble * a, const gdouble * b,
} }
MAKE_RESAMPLE_FUNC (gint16, 1, sse2); MAKE_RESAMPLE_FUNC (gint16, 1, sse2);
MAKE_RESAMPLE_FUNC (gfloat, 1, sse);
MAKE_RESAMPLE_FUNC (gdouble, 1, sse2); MAKE_RESAMPLE_FUNC (gdouble, 1, sse2);
MAKE_RESAMPLE_FUNC (gint16, 2, sse2); MAKE_RESAMPLE_FUNC (gint16, 2, sse2);
MAKE_RESAMPLE_FUNC (gdouble, 2, sse2); MAKE_RESAMPLE_FUNC (gdouble, 2, sse2);
#endif #endif
#if defined (HAVE_SMMINTRIN_H) && defined(__SSE4_1__)
#include <smmintrin.h>
static inline void
inner_product_gint32_1_sse41 (gint32 * o, const gint32 * a, const gint32 * b,
gint len)
{
gint i = 0;
__m128i sum, ta, tb;
gint64 res;
sum = _mm_setzero_si128 ();
for (; i < len; i += 8) {
ta = _mm_loadu_si128 ((__m128i *) (a + i));
tb = _mm_load_si128 ((__m128i *) (b + i));
sum =
_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum =
_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
ta = _mm_loadu_si128 ((__m128i *) (a + i + 4));
tb = _mm_load_si128 ((__m128i *) (b + i + 4));
sum =
_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpacklo_epi32 (ta, ta),
_mm_unpacklo_epi32 (tb, tb)));
sum =
_mm_add_epi64 (sum, _mm_mul_epi32 (_mm_unpackhi_epi32 (ta, ta),
_mm_unpackhi_epi32 (tb, tb)));
}
sum = _mm_add_epi64 (sum, _mm_unpackhi_epi64 (sum, sum));
res = _mm_cvtsi128_si64 (sum);
res = (res + (1 << (PRECISION_S32 - 1))) >> PRECISION_S32;
*o = CLAMP (res, -(1L << 31), (1L << 31) - 1);
}
MAKE_RESAMPLE_FUNC (gint32, 1, sse41);
#endif
static void static void
audio_resampler_check_x86 (const gchar *option) audio_resampler_check_x86 (const gchar *option)
{ {
#ifdef HAVE_EMMINTRIN_H
if (!strcmp (option, "sse")) { if (!strcmp (option, "sse")) {
#if defined (HAVE_XMMINTRIN_H) && defined(__SSE__)
GST_DEBUG ("enable SSE optimisations"); GST_DEBUG ("enable SSE optimisations");
resample_gfloat_1 = resample_gfloat_1_sse; resample_gfloat_1 = resample_gfloat_1_sse;
#endif
} else if (!strcmp (option, "sse2")) { } else if (!strcmp (option, "sse2")) {
#if defined (HAVE_EMMINTRIN_H) && defined(__SSE2__)
GST_DEBUG ("enable SSE2 optimisations"); GST_DEBUG ("enable SSE2 optimisations");
resample_gint16_1 = resample_gint16_1_sse2; resample_gint16_1 = resample_gint16_1_sse2;
resample_gfloat_1 = resample_gfloat_1_sse; resample_gfloat_1 = resample_gfloat_1_sse;
resample_gdouble_1 = resample_gdouble_1_sse2; resample_gdouble_1 = resample_gdouble_1_sse2;
resample_gint16_2 = resample_gint16_2_sse2; resample_gint16_2 = resample_gint16_2_sse2;
resample_gdouble_2 = resample_gdouble_2_sse2; resample_gdouble_2 = resample_gdouble_2_sse2;
} #endif
} else if (!strcmp (option, "sse41")) {
#if defined (HAVE_SMMINTRIN_H) && defined(__SSE4_1__)
GST_DEBUG ("enable SSE41 optimisations");
resample_gint32_1 = resample_gint32_1_sse41;
#endif #endif
} }
}