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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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audio-resampler: make pluggable optimized functions
Add support for x86 specialized functions and select them at runtime.
This commit is contained in:
Wim Taymans
parent
819c4c26c7
commit
f55a67ca7c
2 changed files with 285 additions and 151 deletions
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@ -17,97 +17,16 @@
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* Boston, MA 02110-1301, USA.
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*/
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#define PRECISION_S16 15
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#define PRECISION_S32 30
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#ifdef HAVE_EMMINTRIN_H
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#include <emmintrin.h>
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#endif
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static inline void
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inner_product_gdouble_1 (gdouble * o, const gdouble * a, const gdouble * b,
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gint len)
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{
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gint i = 0;
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gdouble res;
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#ifdef HAVE_EMMINTRIN_H
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__m128d sum = _mm_setzero_pd ();
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for (; i < len - 7; i += 8) {
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 0),
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_mm_loadu_pd (b + i + 0)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 2),
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_mm_loadu_pd (b + i + 2)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 4),
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_mm_loadu_pd (b + i + 4)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 6),
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_mm_loadu_pd (b + i + 6)));
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}
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sum = _mm_add_sd (sum, _mm_unpackhi_pd (sum, sum));
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_mm_store_sd (&res, sum);
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#else
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res = 0.0;
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#endif
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for (; i < len; i++)
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res += a[i] * b[i];
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*o = res;
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}
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static inline void
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inner_product_gfloat_1 (gfloat * o, const gfloat * a, const gfloat * b, gint len)
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{
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gint i = 0;
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gfloat res;
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#ifdef HAVE_EMMINTRIN_H
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__m128 sum = _mm_setzero_ps ();
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for (; i < len - 7; i += 8) {
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 0),
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_mm_loadu_ps (b + i + 0)));
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 4),
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_mm_loadu_ps (b + i + 4)));
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}
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sum = _mm_add_ps (sum, _mm_movehl_ps (sum, sum));
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sum = _mm_add_ss (sum, _mm_shuffle_ps (sum, sum, 0x55));
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_mm_store_ss (&res, sum);
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#else
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res = 0.0;
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#endif
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for (; i < len; i++)
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res += a[i] * b[i];
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*o = res;
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}
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static inline void
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inner_product_gint32_1 (gint32 * o, const gint32 * a, const gint32 * b, gint len)
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{
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gint i = 0;
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gint64 res = 0;
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for (; i < len; i++)
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res += (gint64) a[i] * (gint64) b[i];
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res = (res + (1 << (PRECISION_S32 - 1))) >> PRECISION_S32;
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*o = CLAMP (res, -(1L << 31), (1L << 31) - 1);
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}
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static inline void
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inner_product_gint16_1 (gint16 * o, const gint16 * a, const gint16 * b, gint len)
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inner_product_gint16_1_sse (gint16 * o, const gint16 * a, const gint16 * b, gint len)
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{
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gint i = 0;
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gint32 res = 0;
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#ifdef HAVE_EMMINTRIN_H
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__m128i sum[2], ta, tb;
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__m128i t1[2];
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@ -132,9 +51,6 @@ inner_product_gint16_1 (gint16 * o, const gint16 * a, const gint16 * b, gint len
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_mm_add_epi32 (sum[0], _mm_shuffle_epi32 (sum[0], _MM_SHUFFLE (1, 1, 1,
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1)));
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res = _mm_cvtsi128_si32 (sum[0]);
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#else
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res = 0;
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#endif
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for (; i < len; i++)
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res += (gint32) a[i] * (gint32) b[i];
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@ -142,53 +58,74 @@ inner_product_gint16_1 (gint16 * o, const gint16 * a, const gint16 * b, gint len
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res = (res + (1 << (PRECISION_S16 - 1))) >> PRECISION_S16;
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*o = CLAMP (res, -(1L << 15), (1L << 15) - 1);
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}
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#endif
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#ifdef HAVE_EMMINTRIN_H
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static inline void
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inner_product_gdouble_2 (gdouble * o, const gdouble * a, const gdouble * b,
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inner_product_gfloat_1_sse (gfloat * o, const gfloat * a, const gfloat * b, gint len)
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{
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gint i = 0;
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gfloat res;
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__m128 sum = _mm_setzero_ps ();
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for (; i < len - 7; i += 8) {
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 0),
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_mm_loadu_ps (b + i + 0)));
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sum =
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_mm_add_ps (sum, _mm_mul_ps (_mm_loadu_ps (a + i + 4),
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_mm_loadu_ps (b + i + 4)));
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}
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sum = _mm_add_ps (sum, _mm_movehl_ps (sum, sum));
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sum = _mm_add_ss (sum, _mm_shuffle_ps (sum, sum, 0x55));
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_mm_store_ss (&res, sum);
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for (; i < len; i++)
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res += a[i] * b[i];
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*o = res;
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}
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#endif
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#ifdef HAVE_EMMINTRIN_H
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static inline void
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inner_product_gdouble_1_sse (gdouble * o, const gdouble * a, const gdouble * b,
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gint len)
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{
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gint i = 0;
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gdouble r[2];
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#ifdef HAVE_EMMINTRIN_H
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__m128d sum = _mm_setzero_pd (), t;
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gdouble res;
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__m128d sum = _mm_setzero_pd ();
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for (; i < len - 3; i += 4) {
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t = _mm_loadu_pd (b + i);
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for (; i < len - 7; i += 8) {
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i),
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_mm_unpacklo_pd (t, t)));
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 0),
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_mm_loadu_pd (b + i + 0)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i + 2),
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_mm_unpackhi_pd (t, t)));
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t = _mm_loadu_pd (b + i + 2);
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 2),
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_mm_loadu_pd (b + i + 2)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i + 4),
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_mm_unpacklo_pd (t, t)));
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 4),
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_mm_loadu_pd (b + i + 4)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i + 6),
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_mm_unpackhi_pd (t, t)));
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + i + 6),
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_mm_loadu_pd (b + i + 6)));
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}
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_mm_store_pd (r, sum);
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#else
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r[0] = 0.0;
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r[1] = 0.0;
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sum = _mm_add_sd (sum, _mm_unpackhi_pd (sum, sum));
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_mm_store_sd (&res, sum);
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for (; i < len; i++)
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res += a[i] * b[i];
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*o = res;
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}
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#endif
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for (; i < len; i++) {
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r[0] += a[2 * i] * b[i];
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r[1] += a[2 * i + 1] * b[i];
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}
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o[0] = r[0];
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o[1] = r[1];
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}
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#ifdef HAVE_EMMINTRIN_H
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static inline void
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inner_product_gint16_2 (gint16 * o, const gint16 * a, const gint16 * b, gint len)
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inner_product_gint16_2_sse (gint16 * o, const gint16 * a, const gint16 * b, gint len)
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{
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gint i = 0;
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gint32 r[2];
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#ifdef HAVE_EMMINTRIN_H
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guint64 r64;
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__m128i sum[2], ta, tb;
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__m128i t1[2];
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@ -224,10 +161,6 @@ inner_product_gint16_2 (gint16 * o, const gint16 * a, const gint16 * b, gint len
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r64 = _mm_cvtsi128_si64 (sum[0]);
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r[0] = r64 >> 32;
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r[1] = r64 & 0xffffffff;
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#else
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r[0] = 0;
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r[1] = 0;
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#endif
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for (; i < len; i++) {
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r[0] += (gint32) a[2 * i] * (gint32) b[i];
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@ -238,3 +171,62 @@ inner_product_gint16_2 (gint16 * o, const gint16 * a, const gint16 * b, gint len
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o[0] = CLAMP (r[0], -(1L << 15), (1L << 15) - 1);
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o[1] = CLAMP (r[1], -(1L << 15), (1L << 15) - 1);
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}
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#endif
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#ifdef HAVE_EMMINTRIN_H
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static inline void
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inner_product_gdouble_2_sse (gdouble * o, const gdouble * a, const gdouble * b,
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gint len)
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{
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gint i = 0;
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gdouble r[2];
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__m128d sum = _mm_setzero_pd (), t;
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for (; i < len - 3; i += 4) {
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t = _mm_loadu_pd (b + i);
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i),
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_mm_unpacklo_pd (t, t)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i + 2),
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_mm_unpackhi_pd (t, t)));
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t = _mm_loadu_pd (b + i + 2);
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i + 4),
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_mm_unpacklo_pd (t, t)));
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sum =
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_mm_add_pd (sum, _mm_mul_pd (_mm_loadu_pd (a + 2 * i + 6),
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_mm_unpackhi_pd (t, t)));
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}
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_mm_store_pd (r, sum);
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for (; i < len; i++) {
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r[0] += a[2 * i] * b[i];
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r[1] += a[2 * i + 1] * b[i];
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}
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o[0] = r[0];
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o[1] = r[1];
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}
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#endif
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#ifdef HAVE_EMMINTRIN_H
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MAKE_RESAMPLE_FUNC (gint16, 1, sse);
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MAKE_RESAMPLE_FUNC (gfloat, 1, sse);
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MAKE_RESAMPLE_FUNC (gdouble, 1, sse);
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MAKE_RESAMPLE_FUNC (gint16, 2, sse);
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MAKE_RESAMPLE_FUNC (gdouble, 2, sse);
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#endif
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static void
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audio_resampler_check_x86 (const gchar *option)
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{
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if (!strcmp (option, "sse2")) {
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GST_DEBUG ("enable SSE2 optimisations");
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resample_gint16_1 = resample_gint16_1_sse;
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resample_gfloat_1 = resample_gfloat_1_sse;
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resample_gdouble_1 = resample_gdouble_1_sse;
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resample_gint16_2 = resample_gint16_2_sse;
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resample_gdouble_2 = resample_gdouble_2_sse;
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}
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}
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@ -25,6 +25,10 @@
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#include <stdio.h>
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#include <math.h>
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#ifdef HAVE_ORC
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#include <orc/orc.h>
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#endif
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#include "audio-resampler.h"
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typedef struct _Tap
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@ -84,27 +88,8 @@ struct _GstAudioResampler
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gpointer *sbuf;
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};
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#ifndef GST_DISABLE_GST_DEBUG
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#define GST_CAT_DEFAULT ensure_debug_category()
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static GstDebugCategory *
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ensure_debug_category (void)
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{
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static gsize cat_gonce = 0;
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if (g_once_init_enter (&cat_gonce)) {
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gsize cat_done;
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cat_done = (gsize) _gst_debug_category_new ("audio-resampler", 0,
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"audio-resampler object");
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g_once_init_leave (&cat_gonce, cat_done);
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}
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return (GstDebugCategory *) cat_gonce;
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}
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#else
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#define ensure_debug_category() /* NOOP */
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#endif /* GST_DISABLE_GST_DEBUG */
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GST_DEBUG_CATEGORY_STATIC (audio_resampler_debug);
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#define GST_CAT_DEFAULT audio_resampler_debug
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/**
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* SECTION:gstaudioresampler
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@ -305,7 +290,8 @@ G_STMT_START { \
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GST_WARNING ("can't find exact taps"); \
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} G_STMT_END
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#include "audio-resampler-core.h"
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#define PRECISION_S16 15
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#define PRECISION_S32 30
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static void
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make_taps (GstAudioResampler * resampler, Tap * t, gint j)
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@ -375,10 +361,98 @@ make_taps (GstAudioResampler * resampler, Tap * t, gint j)
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}
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}
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#define MAKE_RESAMPLE_FUNC(type,channels) \
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static inline void
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inner_product_gint16_1_c (gint16 * o, const gint16 * a, const gint16 * b,
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gint len)
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{
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gint i;
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gint32 res = 0;
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for (i = 0; i < len; i++)
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res += (gint32) a[i] * (gint32) b[i];
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res = (res + (1 << (PRECISION_S16 - 1))) >> PRECISION_S16;
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*o = CLAMP (res, -(1L << 15), (1L << 15) - 1);
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}
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static inline void
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inner_product_gint16_2_c (gint16 * o, const gint16 * a, const gint16 * b,
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gint len)
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{
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gint i;
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gint32 r[2] = { 0, 0 };
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for (i = 0; i < len; i++) {
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r[0] += (gint32) a[2 * i] * (gint32) b[i];
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r[1] += (gint32) a[2 * i + 1] * (gint32) b[i];
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}
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r[0] = (r[0] + (1 << (PRECISION_S16 - 1))) >> PRECISION_S16;
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r[1] = (r[1] + (1 << (PRECISION_S16 - 1))) >> PRECISION_S16;
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o[0] = CLAMP (r[0], -(1L << 15), (1L << 15) - 1);
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o[1] = CLAMP (r[1], -(1L << 15), (1L << 15) - 1);
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}
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static inline void
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inner_product_gint32_1_c (gint32 * o, const gint32 * a, const gint32 * b,
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gint len)
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{
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gint i;
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gint64 res = 0;
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for (i = 0; i < len; i++)
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res += (gint64) a[i] * (gint64) b[i];
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res = (res + (1 << (PRECISION_S32 - 1))) >> PRECISION_S32;
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*o = CLAMP (res, -(1L << 31), (1L << 31) - 1);
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}
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static inline void
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inner_product_gfloat_1_c (gfloat * o, const gfloat * a, const gfloat * b,
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gint len)
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{
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gint i;
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gfloat res = 0.0;
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for (i = 0; i < len; i++)
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res += a[i] * b[i];
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*o = res;
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}
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static inline void
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inner_product_gdouble_1_c (gdouble * o, const gdouble * a, const gdouble * b,
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gint len)
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{
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gint i;
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gdouble res = 0.0;
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for (i = 0; i < len; i++)
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res += a[i] * b[i];
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*o = res;
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}
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static inline void
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inner_product_gdouble_2_c (gdouble * o, const gdouble * a, const gdouble * b,
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gint len)
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{
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gint i;
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gdouble r[2] = { 0.0, 0.0 };
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for (i = 0; i < len; i++) {
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r[0] += a[2 * i] * b[i];
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r[1] += a[2 * i + 1] * b[i];
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}
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o[0] = r[0];
|
||||
o[1] = r[1];
|
||||
}
|
||||
|
||||
#define MAKE_RESAMPLE_FUNC(type,channels,arch) \
|
||||
static void \
|
||||
resample_ ##type## _ ##channels (GstAudioResampler * resampler, gpointer in[], gsize in_len, \
|
||||
gpointer out[], gsize out_len, gsize * consumed, gboolean move) \
|
||||
resample_ ##type## _ ##channels## _ ##arch (GstAudioResampler * resampler, \
|
||||
gpointer in[], gsize in_len, gpointer out[], gsize out_len, \
|
||||
gsize * consumed, gboolean move) \
|
||||
{ \
|
||||
gint c, di = 0; \
|
||||
gint n_taps = resampler->n_taps; \
|
||||
|
|
@ -401,7 +475,7 @@ resample_ ##type## _ ##channels (GstAudioResampler * resampler, gpointer in[], g
|
|||
if (t->taps == NULL) \
|
||||
make_taps (resampler, t, samp_phase); \
|
||||
\
|
||||
inner_product_ ##type## _##channels (op, ipp, t->taps, n_taps); \
|
||||
inner_product_ ##type## _##channels##_##arch (op, ipp, t->taps, n_taps); \
|
||||
op += ostride; \
|
||||
\
|
||||
samp_phase = t->next_phase; \
|
||||
|
|
@ -417,12 +491,78 @@ resample_ ##type## _ ##channels (GstAudioResampler * resampler, gpointer in[], g
|
|||
resampler->samp_phase = samp_phase; \
|
||||
}
|
||||
|
||||
MAKE_RESAMPLE_FUNC (gdouble, 1);
|
||||
MAKE_RESAMPLE_FUNC (gfloat, 1);
|
||||
MAKE_RESAMPLE_FUNC (gint32, 1);
|
||||
MAKE_RESAMPLE_FUNC (gint16, 1);
|
||||
MAKE_RESAMPLE_FUNC (gdouble, 2);
|
||||
MAKE_RESAMPLE_FUNC (gint16, 2);
|
||||
MAKE_RESAMPLE_FUNC (gint16, 1, c);
|
||||
MAKE_RESAMPLE_FUNC (gint32, 1, c);
|
||||
MAKE_RESAMPLE_FUNC (gfloat, 1, c);
|
||||
MAKE_RESAMPLE_FUNC (gdouble, 1, c);
|
||||
MAKE_RESAMPLE_FUNC (gint16, 2, c);
|
||||
MAKE_RESAMPLE_FUNC (gdouble, 2, c);
|
||||
|
||||
typedef void (*ResampleFunc) (GstAudioResampler * resampler,
|
||||
gpointer in[], gsize in_len, gpointer out[], gsize out_len,
|
||||
gsize * consumed, gboolean move);
|
||||
|
||||
static ResampleFunc resample_funcs[] = {
|
||||
resample_gint16_1_c,
|
||||
resample_gint32_1_c,
|
||||
resample_gfloat_1_c,
|
||||
resample_gdouble_1_c,
|
||||
resample_gint16_2_c,
|
||||
resample_gdouble_2_c,
|
||||
};
|
||||
|
||||
#define resample_gint16_1 resample_funcs[0]
|
||||
#define resample_gint32_1 resample_funcs[1]
|
||||
#define resample_gfloat_1 resample_funcs[2]
|
||||
#define resample_gdouble_1 resample_funcs[3]
|
||||
#define resample_gint16_2 resample_funcs[4]
|
||||
#define resample_gdouble_2 resample_funcs[5]
|
||||
|
||||
#if defined HAVE_ORC && !defined DISABLE_ORC
|
||||
# if defined (__i386__) || defined (__x86_64__)
|
||||
# define CHECK_X86
|
||||
# include "audio-resampler-x86.h"
|
||||
# endif
|
||||
#endif
|
||||
|
||||
static void
|
||||
audio_resampler_init (void)
|
||||
{
|
||||
static gsize init_gonce = 0;
|
||||
|
||||
if (g_once_init_enter (&init_gonce)) {
|
||||
|
||||
GST_DEBUG_CATEGORY_INIT (audio_resampler_debug, "audio-resampler", 0,
|
||||
"audio-resampler object");
|
||||
|
||||
#if defined HAVE_ORC && !defined DISABLE_ORC
|
||||
orc_init ();
|
||||
{
|
||||
OrcTarget *target = orc_target_get_default ();
|
||||
gint i;
|
||||
|
||||
if (target) {
|
||||
unsigned int flags = orc_target_get_default_flags (target);
|
||||
const gchar *name;
|
||||
|
||||
name = orc_target_get_name (target);
|
||||
GST_DEBUG ("target %s, default flags %08x", name, flags);
|
||||
|
||||
for (i = 0; i < 32; ++i) {
|
||||
if (flags & (1U << i)) {
|
||||
name = orc_target_get_flag_name (target, i);
|
||||
GST_DEBUG ("target flag %s", name);
|
||||
#ifdef CHECK_X86
|
||||
audio_resampler_check_x86 (name);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
g_once_init_leave (&init_gonce, 1);
|
||||
}
|
||||
}
|
||||
|
||||
#define MAKE_DEINTERLEAVE_FUNC(type) \
|
||||
static void \
|
||||
|
|
@ -790,6 +930,8 @@ gst_audio_resampler_new (GstAudioResamplerMethod method,
|
|||
g_return_val_if_fail (in_rate != 0, FALSE);
|
||||
g_return_val_if_fail (out_rate != 0, FALSE);
|
||||
|
||||
audio_resampler_init ();
|
||||
|
||||
resampler = g_slice_new0 (GstAudioResampler);
|
||||
resampler->method = method;
|
||||
resampler->flags = flags;
|
||||
|
|
|
|||
Loading…
Reference in a new issue