annotate src/opus-1.3/silk/arm/LPC_inv_pred_gain_arm.h @ 81:7029a4916348

Merge build update
author Chris Cannam
date Thu, 31 Oct 2019 13:36:58 +0000
parents 7aeed7906520
children
rev   line source
Chris@69 1 /***********************************************************************
Chris@69 2 Copyright (c) 2017 Google Inc.
Chris@69 3 Redistribution and use in source and binary forms, with or without
Chris@69 4 modification, are permitted provided that the following conditions
Chris@69 5 are met:
Chris@69 6 - Redistributions of source code must retain the above copyright notice,
Chris@69 7 this list of conditions and the following disclaimer.
Chris@69 8 - Redistributions in binary form must reproduce the above copyright
Chris@69 9 notice, this list of conditions and the following disclaimer in the
Chris@69 10 documentation and/or other materials provided with the distribution.
Chris@69 11 - Neither the name of Internet Society, IETF or IETF Trust, nor the
Chris@69 12 names of specific contributors, may be used to endorse or promote
Chris@69 13 products derived from this software without specific prior written
Chris@69 14 permission.
Chris@69 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Chris@69 16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Chris@69 17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Chris@69 18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
Chris@69 19 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Chris@69 20 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Chris@69 21 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Chris@69 22 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Chris@69 23 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Chris@69 24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Chris@69 25 POSSIBILITY OF SUCH DAMAGE.
Chris@69 26 ***********************************************************************/
Chris@69 27
Chris@69 28 #ifndef SILK_LPC_INV_PRED_GAIN_ARM_H
Chris@69 29 # define SILK_LPC_INV_PRED_GAIN_ARM_H
Chris@69 30
Chris@69 31 # include "celt/arm/armcpu.h"
Chris@69 32
Chris@69 33 # if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
Chris@69 34 opus_int32 silk_LPC_inverse_pred_gain_neon( /* O Returns inverse prediction gain in energy domain, Q30 */
Chris@69 35 const opus_int16 *A_Q12, /* I Prediction coefficients, Q12 [order] */
Chris@69 36 const opus_int order /* I Prediction order */
Chris@69 37 );
Chris@69 38
Chris@69 39 # if !defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_PRESUME_NEON)
Chris@69 40 # define OVERRIDE_silk_LPC_inverse_pred_gain (1)
Chris@69 41 # define silk_LPC_inverse_pred_gain(A_Q12, order, arch) ((void)(arch), PRESUME_NEON(silk_LPC_inverse_pred_gain)(A_Q12, order))
Chris@69 42 # endif
Chris@69 43 # endif
Chris@69 44
Chris@69 45 # if !defined(OVERRIDE_silk_LPC_inverse_pred_gain)
Chris@69 46 /*Is run-time CPU detection enabled on this platform?*/
Chris@69 47 # if defined(OPUS_HAVE_RTCD) && (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR))
Chris@69 48 extern opus_int32 (*const SILK_LPC_INVERSE_PRED_GAIN_IMPL[OPUS_ARCHMASK+1])(const opus_int16 *A_Q12, const opus_int order);
Chris@69 49 # define OVERRIDE_silk_LPC_inverse_pred_gain (1)
Chris@69 50 # define silk_LPC_inverse_pred_gain(A_Q12, order, arch) ((*SILK_LPC_INVERSE_PRED_GAIN_IMPL[(arch)&OPUS_ARCHMASK])(A_Q12, order))
Chris@69 51 # elif defined(OPUS_ARM_PRESUME_NEON_INTR)
Chris@69 52 # define OVERRIDE_silk_LPC_inverse_pred_gain (1)
Chris@69 53 # define silk_LPC_inverse_pred_gain(A_Q12, order, arch) ((void)(arch), silk_LPC_inverse_pred_gain_neon(A_Q12, order))
Chris@69 54 # endif
Chris@69 55 # endif
Chris@69 56
Chris@69 57 #endif /* end SILK_LPC_INV_PRED_GAIN_ARM_H */