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gstreamer/gst-libs/gst/audio/audio-resampler-neon.h

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audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
/* GStreamer
* Copyright (C) <2016> Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
static inline void
audio-resampler: remove stereo optimizations The stereo optimizations don't give enough benefit. Rename none to full to make it clear that we use a full filter instead of an interpolated one
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inner_product_gint16_full_1_neon (gint16 * o, const gint16 * a,
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
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const gint16 * b, gint len, const gint16 * icoeff)
{
uint32_t remainder = len % 16;
len = len - remainder;
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asm volatile (" vmov.s32 q0, #0\n"
" cmp %[len], #0\n"
" beq 2f\n"
" vmov.s32 q1, #0\n"
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
"1:"
" vld1.16 {d16, d17, d18, d19}, [%[b]]!\n"
" vld1.16 {d20, d21, d22, d23}, [%[a]]!\n"
" subs %[len], %[len], #16\n"
" vmlal.s16 q0, d16, d20\n"
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" vmlal.s16 q1, d17, d21\n"
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
" vmlal.s16 q0, d18, d22\n"
audio-resampler: add more neon optimizations
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" vmlal.s16 q1, d19, d23\n"
" bne 1b\n"
" vadd.s32 q0, q0, q1\n"
"2:"
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
" cmp %[remainder], #0\n"
audio-resampler: add more neon optimizations
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" beq 4f\n"
"3:"
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
" vld1.16 {d16}, [%[b]]!\n"
" vld1.16 {d20}, [%[a]]!\n"
" subs %[remainder], %[remainder], #4\n"
" vmlal.s16 q0, d16, d20\n"
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" bne 3b\n"
"4:"
" vadd.s32 d0, d0, d1\n"
" vpadd.s32 d0, d0, d0\n"
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
" vqrshrn.s32 d0, q0, #15\n"
" vst1.s16 d0[0], [%[o]]\n"
: [a] "+r" (a), [b] "+r" (b),
[len] "+r" (len), [remainder] "+r" (remainder)
: [o] "r" (o)
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: "cc", "q0", "q1",
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
"d16", "d17", "d18", "d19",
"d20", "d21", "d22", "d23");
}
static inline void
inner_product_gint16_linear_1_neon (gint16 * o, const gint16 * a,
const gint16 * b, gint len, const gint16 * icoeff)
{
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uint32_t remainder = len % 8;
len = len - remainder;
asm volatile (" vmov.s16 q0, #0\n"
" cmp %[len], #0\n"
" beq 2f\n"
" vmov.s16 q1, #0\n"
"1:"
" vld1.16 {d16, d17, d18, d19}, [%[b]]!\n"
" vld1.16 {d20, d21}, [%[a]]!\n"
" vmov.16 q11, q10\n"
" vzip.16 q10, q11\n"
" subs %[len], %[len], #8\n"
" vmlal.s16 q0, d16, d20\n"
" vmlal.s16 q1, d17, d21\n"
" vmlal.s16 q0, d18, d22\n"
" vmlal.s16 q1, d19, d23\n"
" bne 1b\n"
" vadd.s32 q0, q0, q1\n"
"2:"
" cmp %[remainder], #0\n"
" beq 4f\n"
"3:"
" vld1.16 {d16, d17}, [%[b]]!\n"
" vld1.16 {d20}, [%[a]]!\n"
" vmov.16 d21, d20\n"
" vzip.16 d20, d21\n"
" subs %[remainder], %[remainder], #4\n"
" vmlal.s16 q0, d16, d20\n"
" vmlal.s16 q0, d17, d21\n"
" bne 3b\n"
"4:"
" vshrn.s32 d0, q0, #15\n"
" vld1.16 {d20}, [%[ic]]\n"
" vmull.s16 q0, d0, d20\n"
" vadd.s32 d0, d0, d1\n"
" vpadd.s32 d0, d0, d0\n"
" vqrshrn.s32 d0, q0, #15\n"
" vst1.s16 d0[0], [%[o]]\n"
: [a] "+r" (a), [b] "+r" (b),
[len] "+r" (len), [remainder] "+r" (remainder)
: [o] "r" (o), [ic] "r" (icoeff)
: "cc", "q0", "q1",
"d16", "d17", "d18", "d19",
"d20", "d21", "d22", "d23" , "memory");
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
}
static inline void
inner_product_gint16_cubic_1_neon (gint16 * o, const gint16 * a,
const gint16 * b, gint len, const gint16 * icoeff)
{
audio-resampler: add more neon optimizations
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asm volatile (" vmov.s32 q0, #0\n"
" cmp %[len], #0\n"
" beq 2f\n"
" vmov.s32 q1, #0\n"
"1:"
" vld1.16 {d16, d17, d18, d19}, [%[b]]!\n"
" vld4.16 {d20[], d21[], d22[], d23[]}, [%[a]]!\n"
" subs %[len], %[len], #4\n"
" vmlal.s16 q0, d16, d20\n"
" vmlal.s16 q1, d17, d21\n"
" vmlal.s16 q0, d18, d22\n"
" vmlal.s16 q1, d19, d23\n"
" bne 1b\n"
" vadd.s32 q0, q0, q1\n"
"2:"
" vshrn.s32 d0, q0, #15\n"
" vld1.16 {d20}, [%[ic]]\n"
" vmull.s16 q0, d0, d20\n"
" vadd.s32 d0, d0, d1\n"
" vpadd.s32 d0, d0, d0\n"
" vqrshrn.s32 d0, q0, #15\n"
" vst1.s16 d0[0], [%[o]]\n"
: [a] "+r" (a), [b] "+r" (b),
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[len] "+r" (len)
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: [o] "r" (o), [ic] "r" (icoeff)
: "cc", "q0", "q1",
"d16", "d17", "d18", "d19",
"d20", "d21", "d22", "d23" , "memory");
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
}
static inline void
audio-resampler: remove stereo optimizations The stereo optimizations don't give enough benefit. Rename none to full to make it clear that we use a full filter instead of an interpolated one
2016-02-19 09:40:03 +00:00
inner_product_gint32_full_1_neon (gint32 * o, const gint32 * a,
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
const gint32 * b, gint len, const gint32 * icoeff)
{
audio-resampler: add more neon optimizations
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uint32_t remainder = len % 8;
len = len - remainder;
asm volatile (" vmov.s64 q0, #0\n"
" cmp %[len], #0\n"
" beq 2f\n"
" vmov.s64 q1, #0\n"
"1:"
" vld1.32 {d16, d17, d18, d19}, [%[b]]!\n"
" vld1.32 {d20, d21, d22, d23}, [%[a]]!\n"
" subs %[len], %[len], #8\n"
" vmlal.s32 q0, d16, d20\n"
" vmlal.s32 q1, d17, d21\n"
" vmlal.s32 q0, d18, d22\n"
" vmlal.s32 q1, d19, d23\n"
" bne 1b\n"
" vadd.s64 q0, q0, q1\n"
"2:"
" cmp %[remainder], #0\n"
" beq 4f\n"
"3:"
" vld1.32 {d16, d17}, [%[b]]!\n"
" vld1.32 {d20, d21}, [%[a]]!\n"
" subs %[remainder], %[remainder], #4\n"
" vmlal.s32 q0, d16, d20\n"
" vmlal.s32 q0, d17, d21\n"
" bne 3b\n"
"4:"
" vadd.s64 d0, d0, d1\n"
" vqrshrn.s64 d0, q0, #31\n"
" vst1.s32 d0[0], [%[o]]\n"
: [a] "+r" (a), [b] "+r" (b),
[len] "+r" (len), [remainder] "+r" (remainder)
: [o] "r" (o)
: "cc", "q0", "q1",
"d16", "d17", "d18", "d19",
"d20", "d21", "d22", "d23");
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
}
static inline void
inner_product_gint32_linear_1_neon (gint32 * o, const gint32 * a,
const gint32 * b, gint len, const gint32 * icoeff)
{
audio-resampler: add more neon optimizations
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asm volatile (" vmov.s64 q0, #0\n"
" cmp %[len], #0\n"
" beq 2f\n"
" vmov.s64 q1, #0\n"
"1:"
" vld1.s32 {d16, d17, d18, d19}, [%[b]]!\n"
" vld2.s32 {d20[], d21[]}, [%[a]]!\n"
" vld2.s32 {d22[], d23[]}, [%[a]]!\n"
" subs %[len], %[len], #4\n"
" vmlal.s32 q0, d16, d20\n"
" vmlal.s32 q1, d17, d21\n"
" vmlal.s32 q0, d18, d22\n"
" vmlal.s32 q1, d19, d23\n"
" bne 1b\n"
" vadd.s64 q0, q0, q1\n"
"2:"
" vld1.s32 {d20}, [%[ic]]\n"
" vshrn.s64 d0, q0, #31\n"
" vmull.s32 q0, d0, d20\n"
" vadd.s64 d0, d0, d1\n"
" vqrshrn.s64 d0, q0, #31\n"
" vst1.s32 d0[0], [%[o]]\n"
: [a] "+r" (a), [b] "+r" (b),
[len] "+r" (len)
: [o] "r" (o), [ic] "r" (icoeff)
: "cc", "q0", "q1",
"d16", "d17", "d18", "d19",
"d20", "d21", "d22", "d23", "memory");
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
}
static inline void
inner_product_gint32_cubic_1_neon (gint32 * o, const gint32 * a,
const gint32 * b, gint len, const gint32 * icoeff)
{
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asm volatile (" vmov.s64 q0, #0\n"
" cmp %[len], #0\n"
" beq 2f\n"
" vmov.s64 q1, #0\n"
"1:"
" vld1.s32 {q4, q5}, [%[b]]!\n"
" vld1.s32 {q6, q7}, [%[b]]!\n"
" vld1.s32 {d16[], d17[]}, [%[a]]!\n"
" vld1.s32 {d18[], d19[]}, [%[a]]!\n"
" vld1.s32 {d20[], d21[]}, [%[a]]!\n"
" vld1.s32 {d22[], d23[]}, [%[a]]!\n"
" subs %[len], %[len], #4\n"
" vmlal.s32 q0, d16, d8\n"
" vmlal.s32 q1, d17, d9\n"
" vmlal.s32 q0, d18, d10\n"
" vmlal.s32 q1, d19, d11\n"
" vmlal.s32 q0, d20, d12\n"
" vmlal.s32 q1, d21, d13\n"
" vmlal.s32 q0, d22, d14\n"
" vmlal.s32 q1, d23, d15\n"
" bne 1b\n"
"2:"
" vld1.s32 {d20, d21}, [%[ic]]\n"
" vshrn.s64 d16, q0, #31\n"
" vshrn.s64 d17, q1, #31\n"
" vmull.s32 q0, d20, d16\n"
" vmlal.s32 q0, d21, d17\n"
" vadd.s64 d0, d0, d1\n"
" vqrshrn.s64 d0, q0, #31\n"
" vst1.s32 d0[0], [%[o]]\n"
: [a] "+r" (a), [b] "+r" (b),
[len] "+r" (len)
: [o] "r" (o), [ic] "r" (icoeff)
: "cc", "q0", "q1", "q4", "q5", "q6", "q7", "q8",
"q9", "q10", "q11", "memory");
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
}
static inline void
audio-resampler: remove stereo optimizations The stereo optimizations don't give enough benefit. Rename none to full to make it clear that we use a full filter instead of an interpolated one
2016-02-19 09:40:03 +00:00
inner_product_gfloat_full_1_neon (gfloat * o, const gfloat * a,
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
const gfloat * b, gint len, const gfloat * icoeff)
{
uint32_t remainder = len % 16;
len = len - remainder;
audio-resampler: add more neon optimizations
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asm volatile (" vmov.f32 q0, #0.0\n"
" cmp %[len], #0\n"
" beq 2f\n"
" vmov.f32 q1, #0.0\n"
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
"1:"
" vld1.32 {q4, q5}, [%[b]]!\n"
" vld1.32 {q8, q9}, [%[a]]!\n"
" vld1.32 {q6, q7}, [%[b]]!\n"
" vld1.32 {q10, q11}, [%[a]]!\n"
" subs %[len], %[len], #16\n"
" vmla.f32 q0, q4, q8\n"
" vmla.f32 q1, q5, q9\n"
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" vmla.f32 q0, q6, q10\n"
" vmla.f32 q1, q7, q11\n"
" bne 1b\n"
" vadd.f32 q0, q0, q1\n"
"2:"
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
" cmp %[remainder], #0\n"
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" beq 4f\n"
"3:"
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
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" vld1.32 {q6}, [%[b]]!\n"
" vld1.32 {q10}, [%[a]]!\n"
" subs %[remainder], %[remainder], #4\n"
" vmla.f32 q0, q6, q10\n"
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" bne 3b\n"
"4:"
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
" vadd.f32 d0, d0, d1\n"
" vpadd.f32 d0, d0, d0\n"
" vst1.f32 d0[0], [%[o]]\n"
: [a] "+r" (a), [b] "+r" (b),
[len] "+r" (len), [remainder] "+r" (remainder)
: [o] "r" (o)
audio-resampler: add more neon optimizations
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: "cc", "q0", "q1", "q4", "q5", "q6", "q7", "q8",
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
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"q9", "q10", "q11");
}
static inline void
inner_product_gfloat_linear_1_neon (gfloat * o, const gfloat * a,
const gfloat * b, gint len, const gfloat * icoeff)
{
audio-resampler: add more neon optimizations
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uint32_t remainder = len % 8;
len = len - remainder;
asm volatile (" vmov.f32 q0, #0.0\n"
" cmp %[len], #0\n"
" beq 2f\n"
" vmov.f32 q1, #0.0\n"
"1:"
" vld2.f32 {q4, q5}, [%[b]]!\n"
" vld2.f32 {q6, q7}, [%[b]]!\n"
" vld1.f32 {q8, q9}, [%[a]]!\n"
" subs %[len], %[len], #8\n"
" vmla.f32 q0, q4, q8\n"
" vmla.f32 q1, q5, q8\n"
" vmla.f32 q0, q6, q9\n"
" vmla.f32 q1, q7, q9\n"
" bne 1b\n"
" vadd.f32 q0, q0, q1\n"
"2:"
" cmp %[remainder], #0\n"
" beq 4f\n"
"3:"
" vld2.f32 {q4}, [%[b]]!\n"
" vld1.f32 {q8}, [%[a]]!\n"
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" subs %[remainder], %[remainder], #4\n"
audio-resampler: add more neon optimizations
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" vmla.f32 q0, q4, q8\n"
" bne 3b\n"
"4:"
" vld1.f32 {q10}, [%[ic]]\n"
" vmul.f32 q0, q0, q10\n"
" vadd.f32 d0, d0, d1\n"
" vpadd.f32 d0, d0, d0\n"
" vst1.f32 d0[0], [%[o]]\n"
: [a] "+r" (a), [b] "+r" (b),
[len] "+r" (len), [remainder] "+r" (remainder)
: [o] "r" (o), [ic] "r" (icoeff)
: "cc", "q0", "q1", "q4", "q5", "q6", "q7", "q8",
"q9", "q10", "q11", "memory");
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
}
static inline void
inner_product_gfloat_cubic_1_neon (gfloat * o, const gfloat * a,
const gfloat * b, gint len, const gfloat * icoeff)
{
audio-resampler: add more neon optimizations
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asm volatile (" vmov.f32 q0, #0.0\n"
" cmp %[len], #0\n"
" beq 2f\n"
" vmov.f32 q1, #0.0\n"
"1:"
" vld1.f32 {q4, q5}, [%[b]]!\n"
" vld1.f32 {q6, q7}, [%[b]]!\n"
" vld1.f32 {d16[], d17[]}, [%[a]]!\n"
" vld1.f32 {d18[], d19[]}, [%[a]]!\n"
" vld1.f32 {d20[], d21[]}, [%[a]]!\n"
" vld1.f32 {d22[], d23[]}, [%[a]]!\n"
" subs %[len], %[len], #4\n"
" vmla.f32 q0, q4, q8\n"
" vmla.f32 q1, q5, q9\n"
" vmla.f32 q0, q6, q10\n"
" vmla.f32 q1, q7, q11\n"
" bne 1b\n"
" vadd.f32 q0, q0, q1\n"
"2:"
" vld1.f32 {q10}, [%[ic]]\n"
" vmul.f32 q0, q0, q10\n"
" vadd.f32 d0, d0, d1\n"
" vpadd.f32 d0, d0, d0\n"
" vst1.f32 d0[0], [%[o]]\n"
: [a] "+r" (a), [b] "+r" (b),
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[len] "+r" (len)
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: [o] "r" (o), [ic] "r" (icoeff)
: "cc", "q0", "q1", "q4", "q5", "q6", "q7", "q8",
"q9", "q10", "q11", "memory");
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
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}
audio-resampler: remove stereo optimizations The stereo optimizations don't give enough benefit. Rename none to full to make it clear that we use a full filter instead of an interpolated one
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MAKE_RESAMPLE_FUNC (gint16, full, 1, neon);
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
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MAKE_RESAMPLE_FUNC (gint16, linear, 1, neon);
MAKE_RESAMPLE_FUNC (gint16, cubic, 1, neon);
audio-resampler: remove stereo optimizations The stereo optimizations don't give enough benefit. Rename none to full to make it clear that we use a full filter instead of an interpolated one
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MAKE_RESAMPLE_FUNC (gint32, full, 1, neon);
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
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MAKE_RESAMPLE_FUNC (gint32, linear, 1, neon);
MAKE_RESAMPLE_FUNC (gint32, cubic, 1, neon);
audio-resampler: remove stereo optimizations The stereo optimizations don't give enough benefit. Rename none to full to make it clear that we use a full filter instead of an interpolated one
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MAKE_RESAMPLE_FUNC (gfloat, full, 1, neon);
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
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MAKE_RESAMPLE_FUNC (gfloat, linear, 1, neon);
MAKE_RESAMPLE_FUNC (gfloat, cubic, 1, neon);
static void
audio_resampler_check_neon (const gchar *target_name, const gchar *option)
{
if (!strcmp (target_name, "neon")) {
GST_DEBUG ("enable NEON optimisations");
audio-resampler: remove stereo optimizations The stereo optimizations don't give enough benefit. Rename none to full to make it clear that we use a full filter instead of an interpolated one
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resample_gint16_full_1 = resample_gint16_full_1_neon;
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resample_gint16_linear_1 = resample_gint16_linear_1_neon;
resample_gint16_cubic_1 = resample_gint16_cubic_1_neon;
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
2016-02-17 16:20:06 +00:00
audio-resampler: remove stereo optimizations The stereo optimizations don't give enough benefit. Rename none to full to make it clear that we use a full filter instead of an interpolated one
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resample_gint32_full_1 = resample_gint32_full_1_neon;
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resample_gint32_linear_1 = resample_gint32_linear_1_neon;
resample_gint32_cubic_1 = resample_gint32_cubic_1_neon;
audio-resampler: remove stereo optimizations The stereo optimizations don't give enough benefit. Rename none to full to make it clear that we use a full filter instead of an interpolated one
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resample_gfloat_full_1 = resample_gfloat_full_1_neon;
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resample_gfloat_linear_1 = resample_gfloat_linear_1_neon;
resample_gfloat_cubic_1 = resample_gfloat_cubic_1_neon;
audio-resampler: add neon optimizations Unroll some more loops in the fallback code that seems to work fine for ARM. Add some simple ARM optimizations taken from speex.
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}
}
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