annotate src/opus-1.3/silk/arm/LPC_inv_pred_gain_arm.h @ 83:ae30d91d2ffe

Replace these with versions built using an older toolset (so as to avoid ABI compatibilities when linking on Ubuntu 14.04 for packaging purposes)
author Chris Cannam
date Fri, 07 Feb 2020 11:51:13 +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 */