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/***********************************************************************
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2018-04-07 23:02:52 +00:00
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Copyright (c) 2017 Google Inc.
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2017-07-10 01:33:41 +00:00
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Internet Society, IETF or IETF Trust, nor the
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names of specific contributors, may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***********************************************************************/
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2018-04-07 23:02:52 +00:00
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#ifndef SILK_BIQUAD_ALT_ARM_H
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# define SILK_BIQUAD_ALT_ARM_H
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# include "celt/arm/armcpu.h"
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# if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
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void silk_biquad_alt_stride2_neon(
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const opus_int16 *in, /* I input signal */
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const opus_int32 *B_Q28, /* I MA coefficients [3] */
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const opus_int32 *A_Q28, /* I AR coefficients [2] */
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opus_int32 *S, /* I/O State vector [4] */
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opus_int16 *out, /* O output signal */
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const opus_int32 len /* I signal length (must be even) */
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);
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# if !defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_PRESUME_NEON)
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# define OVERRIDE_silk_biquad_alt_stride2 (1)
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# 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))
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# endif
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# endif
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# if !defined(OVERRIDE_silk_biquad_alt_stride2)
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/*Is run-time CPU detection enabled on this platform?*/
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# if defined(OPUS_HAVE_RTCD) && (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR))
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extern void (*const SILK_BIQUAD_ALT_STRIDE2_IMPL[OPUS_ARCHMASK+1])(
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const opus_int16 *in, /* I input signal */
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const opus_int32 *B_Q28, /* I MA coefficients [3] */
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const opus_int32 *A_Q28, /* I AR coefficients [2] */
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opus_int32 *S, /* I/O State vector [4] */
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opus_int16 *out, /* O output signal */
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const opus_int32 len /* I signal length (must be even) */
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);
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# define OVERRIDE_silk_biquad_alt_stride2 (1)
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# 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))
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# elif defined(OPUS_ARM_PRESUME_NEON_INTR)
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# define OVERRIDE_silk_biquad_alt_stride2 (1)
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# 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))
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# endif
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# endif
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#endif /* end SILK_BIQUAD_ALT_ARM_H */
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