Chris@69: /***********************************************************************
Chris@69: Copyright (C) 2014 Vidyo
Chris@69: Redistribution and use in source and binary forms, with or without
Chris@69: modification, are permitted provided that the following conditions
Chris@69: are met:
Chris@69: - Redistributions of source code must retain the above copyright notice,
Chris@69: this list of conditions and the following disclaimer.
Chris@69: - Redistributions in binary form must reproduce the above copyright
Chris@69: notice, this list of conditions and the following disclaimer in the
Chris@69: documentation and/or other materials provided with the distribution.
Chris@69: - Neither the name of Internet Society, IETF or IETF Trust, nor the
Chris@69: names of specific contributors, may be used to endorse or promote
Chris@69: products derived from this software without specific prior written
Chris@69: permission.
Chris@69: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Chris@69: AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Chris@69: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Chris@69: ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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Chris@69: SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Chris@69: INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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Chris@69: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Chris@69: POSSIBILITY OF SUCH DAMAGE.
Chris@69: ***********************************************************************/
Chris@69: #ifndef SILK_NSQ_NEON_H
Chris@69: #define SILK_NSQ_NEON_H
Chris@69: 
Chris@69: #include "cpu_support.h"
Chris@69: #include "SigProc_FIX.h"
Chris@69: 
Chris@69: #undef silk_short_prediction_create_arch_coef
Chris@69: /* For vectorized calc, reverse a_Q12 coefs, convert to 32-bit, and shift for vqdmulhq_s32. */
Chris@69: static OPUS_INLINE void silk_short_prediction_create_arch_coef_neon(opus_int32 *out, const opus_int16 *in, opus_int order)
Chris@69: {
Chris@69:     out[15] = silk_LSHIFT32(in[0], 15);
Chris@69:     out[14] = silk_LSHIFT32(in[1], 15);
Chris@69:     out[13] = silk_LSHIFT32(in[2], 15);
Chris@69:     out[12] = silk_LSHIFT32(in[3], 15);
Chris@69:     out[11] = silk_LSHIFT32(in[4], 15);
Chris@69:     out[10] = silk_LSHIFT32(in[5], 15);
Chris@69:     out[9]  = silk_LSHIFT32(in[6], 15);
Chris@69:     out[8]  = silk_LSHIFT32(in[7], 15);
Chris@69:     out[7]  = silk_LSHIFT32(in[8], 15);
Chris@69:     out[6]  = silk_LSHIFT32(in[9], 15);
Chris@69: 
Chris@69:     if (order == 16)
Chris@69:     {
Chris@69:         out[5] = silk_LSHIFT32(in[10], 15);
Chris@69:         out[4] = silk_LSHIFT32(in[11], 15);
Chris@69:         out[3] = silk_LSHIFT32(in[12], 15);
Chris@69:         out[2] = silk_LSHIFT32(in[13], 15);
Chris@69:         out[1] = silk_LSHIFT32(in[14], 15);
Chris@69:         out[0] = silk_LSHIFT32(in[15], 15);
Chris@69:     }
Chris@69:     else
Chris@69:     {
Chris@69:         out[5] = 0;
Chris@69:         out[4] = 0;
Chris@69:         out[3] = 0;
Chris@69:         out[2] = 0;
Chris@69:         out[1] = 0;
Chris@69:         out[0] = 0;
Chris@69:     }
Chris@69: }
Chris@69: 
Chris@69: #if defined(OPUS_ARM_PRESUME_NEON_INTR)
Chris@69: 
Chris@69: #define silk_short_prediction_create_arch_coef(out, in, order) \
Chris@69:     (silk_short_prediction_create_arch_coef_neon(out, in, order))
Chris@69: 
Chris@69: #elif defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
Chris@69: 
Chris@69: #define silk_short_prediction_create_arch_coef(out, in, order) \
Chris@69:     do { if (arch == OPUS_ARCH_ARM_NEON) { silk_short_prediction_create_arch_coef_neon(out, in, order); } } while (0)
Chris@69: 
Chris@69: #endif
Chris@69: 
Chris@69: opus_int32 silk_noise_shape_quantizer_short_prediction_neon(const opus_int32 *buf32, const opus_int32 *coef32, opus_int order);
Chris@69: 
Chris@69: opus_int32 silk_NSQ_noise_shape_feedback_loop_neon(const opus_int32 *data0, opus_int32 *data1, const opus_int16 *coef, opus_int order);
Chris@69: 
Chris@69: #if defined(OPUS_ARM_PRESUME_NEON_INTR)
Chris@69: #undef silk_noise_shape_quantizer_short_prediction
Chris@69: #define silk_noise_shape_quantizer_short_prediction(in, coef, coefRev, order, arch) \
Chris@69:     ((void)arch,silk_noise_shape_quantizer_short_prediction_neon(in, coefRev, order))
Chris@69: 
Chris@69: #undef silk_NSQ_noise_shape_feedback_loop
Chris@69: #define silk_NSQ_noise_shape_feedback_loop(data0, data1, coef, order, arch)  ((void)arch,silk_NSQ_noise_shape_feedback_loop_neon(data0, data1, coef, order))
Chris@69: 
Chris@69: #elif defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
Chris@69: 
Chris@69: /* silk_noise_shape_quantizer_short_prediction implementations take different parameters based on arch
Chris@69:    (coef vs. coefRev) so can't use the usual IMPL table implementation */
Chris@69: #undef silk_noise_shape_quantizer_short_prediction
Chris@69: #define silk_noise_shape_quantizer_short_prediction(in, coef, coefRev, order, arch)  \
Chris@69:     (arch == OPUS_ARCH_ARM_NEON ? \
Chris@69:         silk_noise_shape_quantizer_short_prediction_neon(in, coefRev, order) : \
Chris@69:         silk_noise_shape_quantizer_short_prediction_c(in, coef, order))
Chris@69: 
Chris@69: extern opus_int32
Chris@69:  (*const SILK_NSQ_NOISE_SHAPE_FEEDBACK_LOOP_IMPL[OPUS_ARCHMASK+1])(
Chris@69:  const opus_int32 *data0, opus_int32 *data1, const opus_int16 *coef,
Chris@69:  opus_int order);
Chris@69: 
Chris@69: #undef silk_NSQ_noise_shape_feedback_loop
Chris@69: #define silk_NSQ_noise_shape_feedback_loop(data0, data1, coef, order, arch) \
Chris@69:  (SILK_NSQ_NOISE_SHAPE_FEEDBACK_LOOP_IMPL[(arch)&OPUS_ARCHMASK](data0, data1, \
Chris@69:  coef, order))
Chris@69: 
Chris@69: #endif
Chris@69: 
Chris@69: #endif /* SILK_NSQ_NEON_H */