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Diffstat (limited to 'thirdparty/opus/silk/arm/NSQ_neon.c')
| -rw-r--r-- | thirdparty/opus/silk/arm/NSQ_neon.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/thirdparty/opus/silk/arm/NSQ_neon.c b/thirdparty/opus/silk/arm/NSQ_neon.c deleted file mode 100644 index 9642529973..0000000000 --- a/thirdparty/opus/silk/arm/NSQ_neon.c +++ /dev/null @@ -1,112 +0,0 @@ -/*********************************************************************** -Copyright (C) 2014 Vidyo -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <arm_neon.h> -#include "main.h" -#include "stack_alloc.h" -#include "NSQ.h" -#include "celt/cpu_support.h" -#include "celt/arm/armcpu.h" - -opus_int32 silk_noise_shape_quantizer_short_prediction_neon(const opus_int32 *buf32, const opus_int32 *coef32, opus_int order) -{ - int32x4_t coef0 = vld1q_s32(coef32); - int32x4_t coef1 = vld1q_s32(coef32 + 4); - int32x4_t coef2 = vld1q_s32(coef32 + 8); - int32x4_t coef3 = vld1q_s32(coef32 + 12); - - int32x4_t a0 = vld1q_s32(buf32 - 15); - int32x4_t a1 = vld1q_s32(buf32 - 11); - int32x4_t a2 = vld1q_s32(buf32 - 7); - int32x4_t a3 = vld1q_s32(buf32 - 3); - - int32x4_t b0 = vqdmulhq_s32(coef0, a0); - int32x4_t b1 = vqdmulhq_s32(coef1, a1); - int32x4_t b2 = vqdmulhq_s32(coef2, a2); - int32x4_t b3 = vqdmulhq_s32(coef3, a3); - - int32x4_t c0 = vaddq_s32(b0, b1); - int32x4_t c1 = vaddq_s32(b2, b3); - - int32x4_t d = vaddq_s32(c0, c1); - - int64x2_t e = vpaddlq_s32(d); - - int64x1_t f = vadd_s64(vget_low_s64(e), vget_high_s64(e)); - - opus_int32 out = vget_lane_s32(vreinterpret_s32_s64(f), 0); - - out += silk_RSHIFT( order, 1 ); - - return out; -} - - -opus_int32 silk_NSQ_noise_shape_feedback_loop_neon(const opus_int32 *data0, opus_int32 *data1, const opus_int16 *coef, opus_int order) -{ - opus_int32 out; - if (order == 8) - { - int32x4_t a00 = vdupq_n_s32(data0[0]); - int32x4_t a01 = vld1q_s32(data1); /* data1[0] ... [3] */ - - int32x4_t a0 = vextq_s32 (a00, a01, 3); /* data0[0] data1[0] ...[2] */ - int32x4_t a1 = vld1q_s32(data1 + 3); /* data1[3] ... [6] */ - - /*TODO: Convert these once in advance instead of once per sample, like - silk_noise_shape_quantizer_short_prediction_neon() does.*/ - int16x8_t coef16 = vld1q_s16(coef); - int32x4_t coef0 = vmovl_s16(vget_low_s16(coef16)); - int32x4_t coef1 = vmovl_s16(vget_high_s16(coef16)); - - /*This is not bit-exact with the C version, since we do not drop the - lower 16 bits of each multiply, but wait until the end to truncate - precision. This is an encoder-specific calculation (and unlike - silk_noise_shape_quantizer_short_prediction_neon(), is not meant to - simulate what the decoder will do). We still could use vqdmulhq_s32() - like silk_noise_shape_quantizer_short_prediction_neon() and save - half the multiplies, but the speed difference is not large, since we - then need two extra adds.*/ - int64x2_t b0 = vmull_s32(vget_low_s32(a0), vget_low_s32(coef0)); - int64x2_t b1 = vmlal_s32(b0, vget_high_s32(a0), vget_high_s32(coef0)); - int64x2_t b2 = vmlal_s32(b1, vget_low_s32(a1), vget_low_s32(coef1)); - int64x2_t b3 = vmlal_s32(b2, vget_high_s32(a1), vget_high_s32(coef1)); - - int64x1_t c = vadd_s64(vget_low_s64(b3), vget_high_s64(b3)); - int64x1_t cS = vrshr_n_s64(c, 15); - int32x2_t d = vreinterpret_s32_s64(cS); - - out = vget_lane_s32(d, 0); - vst1q_s32(data1, a0); - vst1q_s32(data1 + 4, a1); - return out; - } - return silk_NSQ_noise_shape_feedback_loop_c(data0, data1, coef, order); -} |