1*a58d3d2aSXin Li /*********************************************************************** 2*a58d3d2aSXin Li Copyright (c) 2017 Google Inc. 3*a58d3d2aSXin Li Redistribution and use in source and binary forms, with or without 4*a58d3d2aSXin Li modification, are permitted provided that the following conditions 5*a58d3d2aSXin Li are met: 6*a58d3d2aSXin Li - Redistributions of source code must retain the above copyright notice, 7*a58d3d2aSXin Li this list of conditions and the following disclaimer. 8*a58d3d2aSXin Li - Redistributions in binary form must reproduce the above copyright 9*a58d3d2aSXin Li notice, this list of conditions and the following disclaimer in the 10*a58d3d2aSXin Li documentation and/or other materials provided with the distribution. 11*a58d3d2aSXin Li - Neither the name of Internet Society, IETF or IETF Trust, nor the 12*a58d3d2aSXin Li names of specific contributors, may be used to endorse or promote 13*a58d3d2aSXin Li products derived from this software without specific prior written 14*a58d3d2aSXin Li permission. 15*a58d3d2aSXin Li THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16*a58d3d2aSXin Li AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17*a58d3d2aSXin Li IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18*a58d3d2aSXin Li ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19*a58d3d2aSXin Li LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20*a58d3d2aSXin Li CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21*a58d3d2aSXin Li SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22*a58d3d2aSXin Li INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23*a58d3d2aSXin Li CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24*a58d3d2aSXin Li ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25*a58d3d2aSXin Li POSSIBILITY OF SUCH DAMAGE. 26*a58d3d2aSXin Li ***********************************************************************/ 27*a58d3d2aSXin Li 28*a58d3d2aSXin Li #ifndef SILK_BIQUAD_ALT_ARM_H 29*a58d3d2aSXin Li # define SILK_BIQUAD_ALT_ARM_H 30*a58d3d2aSXin Li 31*a58d3d2aSXin Li # include "celt/arm/armcpu.h" 32*a58d3d2aSXin Li 33*a58d3d2aSXin Li # if defined(OPUS_ARM_MAY_HAVE_NEON_INTR) 34*a58d3d2aSXin Li void silk_biquad_alt_stride2_neon( 35*a58d3d2aSXin Li const opus_int16 *in, /* I input signal */ 36*a58d3d2aSXin Li const opus_int32 *B_Q28, /* I MA coefficients [3] */ 37*a58d3d2aSXin Li const opus_int32 *A_Q28, /* I AR coefficients [2] */ 38*a58d3d2aSXin Li opus_int32 *S, /* I/O State vector [4] */ 39*a58d3d2aSXin Li opus_int16 *out, /* O output signal */ 40*a58d3d2aSXin Li const opus_int32 len /* I signal length (must be even) */ 41*a58d3d2aSXin Li ); 42*a58d3d2aSXin Li 43*a58d3d2aSXin Li # if !defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_PRESUME_NEON) 44*a58d3d2aSXin Li # define OVERRIDE_silk_biquad_alt_stride2 (1) 45*a58d3d2aSXin Li # define silk_biquad_alt_stride2(in, B_Q28, A_Q28, S, out, len, arch) ((void)(arch), PRESUME_NEON(silk_biquad_alt_stride2)(in, B_Q28, A_Q28, S, out, len)) 46*a58d3d2aSXin Li # endif 47*a58d3d2aSXin Li # endif 48*a58d3d2aSXin Li 49*a58d3d2aSXin Li # if !defined(OVERRIDE_silk_biquad_alt_stride2) 50*a58d3d2aSXin Li /*Is run-time CPU detection enabled on this platform?*/ 51*a58d3d2aSXin Li # if defined(OPUS_HAVE_RTCD) && (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR)) 52*a58d3d2aSXin Li extern void (*const SILK_BIQUAD_ALT_STRIDE2_IMPL[OPUS_ARCHMASK+1])( 53*a58d3d2aSXin Li const opus_int16 *in, /* I input signal */ 54*a58d3d2aSXin Li const opus_int32 *B_Q28, /* I MA coefficients [3] */ 55*a58d3d2aSXin Li const opus_int32 *A_Q28, /* I AR coefficients [2] */ 56*a58d3d2aSXin Li opus_int32 *S, /* I/O State vector [4] */ 57*a58d3d2aSXin Li opus_int16 *out, /* O output signal */ 58*a58d3d2aSXin Li const opus_int32 len /* I signal length (must be even) */ 59*a58d3d2aSXin Li ); 60*a58d3d2aSXin Li # define OVERRIDE_silk_biquad_alt_stride2 (1) 61*a58d3d2aSXin Li # define silk_biquad_alt_stride2(in, B_Q28, A_Q28, S, out, len, arch) ((*SILK_BIQUAD_ALT_STRIDE2_IMPL[(arch)&OPUS_ARCHMASK])(in, B_Q28, A_Q28, S, out, len)) 62*a58d3d2aSXin Li # elif defined(OPUS_ARM_PRESUME_NEON_INTR) 63*a58d3d2aSXin Li # define OVERRIDE_silk_biquad_alt_stride2 (1) 64*a58d3d2aSXin Li # define silk_biquad_alt_stride2(in, B_Q28, A_Q28, S, out, len, arch) ((void)(arch), silk_biquad_alt_stride2_neon(in, B_Q28, A_Q28, S, out, len)) 65*a58d3d2aSXin Li # endif 66*a58d3d2aSXin Li # endif 67*a58d3d2aSXin Li 68*a58d3d2aSXin Li #endif /* end SILK_BIQUAD_ALT_ARM_H */ 69