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Diffstat (limited to 'lib/rbcodec/codecs/libopus/celt/arm/mdct_arm.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/celt/arm/mdct_arm.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/celt/arm/mdct_arm.h b/lib/rbcodec/codecs/libopus/celt/arm/mdct_arm.h new file mode 100644 index 0000000000..14200bac4b --- /dev/null +++ b/lib/rbcodec/codecs/libopus/celt/arm/mdct_arm.h | |||
@@ -0,0 +1,59 @@ | |||
1 | /* Copyright (c) 2015 Xiph.Org Foundation | ||
2 | Written by Viswanath Puttagunta */ | ||
3 | /** | ||
4 | @file arm_mdct.h | ||
5 | @brief ARM Neon Intrinsic optimizations for mdct using NE10 library | ||
6 | */ | ||
7 | |||
8 | /* | ||
9 | Redistribution and use in source and binary forms, with or without | ||
10 | modification, are permitted provided that the following conditions | ||
11 | are met: | ||
12 | |||
13 | - Redistributions of source code must retain the above copyright | ||
14 | notice, this list of conditions and the following disclaimer. | ||
15 | |||
16 | - Redistributions in binary form must reproduce the above copyright | ||
17 | notice, this list of conditions and the following disclaimer in the | ||
18 | documentation and/or other materials provided with the distribution. | ||
19 | |||
20 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
21 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
22 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
23 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | ||
24 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
25 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
26 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
27 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
28 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
29 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
30 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
31 | */ | ||
32 | |||
33 | #if !defined(MDCT_ARM_H) | ||
34 | #define MDCT_ARM_H | ||
35 | |||
36 | #include "mdct.h" | ||
37 | |||
38 | #if defined(HAVE_ARM_NE10) | ||
39 | /** Compute a forward MDCT and scale by 4/N, trashes the input array */ | ||
40 | void clt_mdct_forward_neon(const mdct_lookup *l, kiss_fft_scalar *in, | ||
41 | kiss_fft_scalar * OPUS_RESTRICT out, | ||
42 | const opus_val16 *window, int overlap, | ||
43 | int shift, int stride, int arch); | ||
44 | |||
45 | void clt_mdct_backward_neon(const mdct_lookup *l, kiss_fft_scalar *in, | ||
46 | kiss_fft_scalar * OPUS_RESTRICT out, | ||
47 | const opus_val16 *window, int overlap, | ||
48 | int shift, int stride, int arch); | ||
49 | |||
50 | #if !defined(OPUS_HAVE_RTCD) | ||
51 | #define OVERRIDE_OPUS_MDCT (1) | ||
52 | #define clt_mdct_forward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \ | ||
53 | clt_mdct_forward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch) | ||
54 | #define clt_mdct_backward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \ | ||
55 | clt_mdct_backward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch) | ||
56 | #endif /* OPUS_HAVE_RTCD */ | ||
57 | #endif /* HAVE_ARM_NE10 */ | ||
58 | |||
59 | #endif | ||