diff options
Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/arm/biquad_alt_arm.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/arm/biquad_alt_arm.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/arm/biquad_alt_arm.h b/lib/rbcodec/codecs/libopus/silk/arm/biquad_alt_arm.h new file mode 100644 index 0000000000..66ea9f43dd --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/arm/biquad_alt_arm.h | |||
@@ -0,0 +1,68 @@ | |||
1 | /*********************************************************************** | ||
2 | Copyright (c) 2017 Google Inc. | ||
3 | Redistribution and use in source and binary forms, with or without | ||
4 | modification, are permitted provided that the following conditions | ||
5 | are met: | ||
6 | - Redistributions of source code must retain the above copyright notice, | ||
7 | this list of conditions and the following disclaimer. | ||
8 | - Redistributions in binary form must reproduce the above copyright | ||
9 | notice, this list of conditions and the following disclaimer in the | ||
10 | documentation and/or other materials provided with the distribution. | ||
11 | - Neither the name of Internet Society, IETF or IETF Trust, nor the | ||
12 | names of specific contributors, may be used to endorse or promote | ||
13 | products derived from this software without specific prior written | ||
14 | permission. | ||
15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
16 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
17 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
18 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
19 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
20 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
21 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
22 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
23 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
24 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
25 | POSSIBILITY OF SUCH DAMAGE. | ||
26 | ***********************************************************************/ | ||
27 | |||
28 | #ifndef SILK_BIQUAD_ALT_ARM_H | ||
29 | # define SILK_BIQUAD_ALT_ARM_H | ||
30 | |||
31 | # include "celt/arm/armcpu.h" | ||
32 | |||
33 | # if defined(OPUS_ARM_MAY_HAVE_NEON_INTR) | ||
34 | void silk_biquad_alt_stride2_neon( | ||
35 | const opus_int16 *in, /* I input signal */ | ||
36 | const opus_int32 *B_Q28, /* I MA coefficients [3] */ | ||
37 | const opus_int32 *A_Q28, /* I AR coefficients [2] */ | ||
38 | opus_int32 *S, /* I/O State vector [4] */ | ||
39 | opus_int16 *out, /* O output signal */ | ||
40 | const opus_int32 len /* I signal length (must be even) */ | ||
41 | ); | ||
42 | |||
43 | # if !defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_PRESUME_NEON) | ||
44 | # define OVERRIDE_silk_biquad_alt_stride2 (1) | ||
45 | # 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 | # endif | ||
47 | # endif | ||
48 | |||
49 | # if !defined(OVERRIDE_silk_biquad_alt_stride2) | ||
50 | /*Is run-time CPU detection enabled on this platform?*/ | ||
51 | # if defined(OPUS_HAVE_RTCD) && (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR)) | ||
52 | extern void (*const SILK_BIQUAD_ALT_STRIDE2_IMPL[OPUS_ARCHMASK+1])( | ||
53 | const opus_int16 *in, /* I input signal */ | ||
54 | const opus_int32 *B_Q28, /* I MA coefficients [3] */ | ||
55 | const opus_int32 *A_Q28, /* I AR coefficients [2] */ | ||
56 | opus_int32 *S, /* I/O State vector [4] */ | ||
57 | opus_int16 *out, /* O output signal */ | ||
58 | const opus_int32 len /* I signal length (must be even) */ | ||
59 | ); | ||
60 | # define OVERRIDE_silk_biquad_alt_stride2 (1) | ||
61 | # 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 | # elif defined(OPUS_ARM_PRESUME_NEON_INTR) | ||
63 | # define OVERRIDE_silk_biquad_alt_stride2 (1) | ||
64 | # 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 | # endif | ||
66 | # endif | ||
67 | |||
68 | #endif /* end SILK_BIQUAD_ALT_ARM_H */ | ||