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author | William Wilgus <me.theuser@yahoo.com> | 2019-01-04 02:01:18 -0600 |
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committer | Solomon Peachy <pizza@shaftnet.org> | 2021-04-23 14:23:04 +0000 |
commit | 14c6bb798d6bebc80f07e863236adbaf8d156a9c (patch) | |
tree | 551a4b641906c2626af844fa3239c1b2b1ff0ad3 /lib/rbcodec/codecs/libopus/celt/fixed_c6x.h | |
parent | 75d93937965ec4df70d37df6d4feea04577c996b (diff) | |
download | rockbox-14c6bb798d6bebc80f07e863236adbaf8d156a9c.tar.gz rockbox-14c6bb798d6bebc80f07e863236adbaf8d156a9c.zip |
Sync opus codec to upstream git
Change-Id: I0cfcc0005c4ad7bfbb1aaf454188ce70fb043dc1
Diffstat (limited to 'lib/rbcodec/codecs/libopus/celt/fixed_c6x.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/celt/fixed_c6x.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/celt/fixed_c6x.h b/lib/rbcodec/codecs/libopus/celt/fixed_c6x.h new file mode 100644 index 0000000000..bb6ad92780 --- /dev/null +++ b/lib/rbcodec/codecs/libopus/celt/fixed_c6x.h | |||
@@ -0,0 +1,70 @@ | |||
1 | /* Copyright (C) 2008 CSIRO */ | ||
2 | /** | ||
3 | @file fixed_c6x.h | ||
4 | @brief Fixed-point operations for the TI C6x DSP family | ||
5 | */ | ||
6 | /* | ||
7 | Redistribution and use in source and binary forms, with or without | ||
8 | modification, are permitted provided that the following conditions | ||
9 | are met: | ||
10 | |||
11 | - Redistributions of source code must retain the above copyright | ||
12 | notice, this list of conditions and the following disclaimer. | ||
13 | |||
14 | - Redistributions in binary form must reproduce the above copyright | ||
15 | notice, this list of conditions and the following disclaimer in the | ||
16 | documentation and/or other materials provided with the distribution. | ||
17 | |||
18 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
19 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
20 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
21 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | ||
22 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
23 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
24 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
25 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
26 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
27 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
29 | */ | ||
30 | |||
31 | #ifndef FIXED_C6X_H | ||
32 | #define FIXED_C6X_H | ||
33 | |||
34 | #undef MULT16_16SU | ||
35 | #define MULT16_16SU(a,b) _mpysu(a,b) | ||
36 | |||
37 | #undef MULT_16_16 | ||
38 | #define MULT_16_16(a,b) _mpy(a,b) | ||
39 | |||
40 | #define celt_ilog2(x) (30 - _norm(x)) | ||
41 | #define OVERRIDE_CELT_ILOG2 | ||
42 | |||
43 | #undef MULT16_32_Q15 | ||
44 | #define MULT16_32_Q15(a,b) (_mpylill(a, b) >> 15) | ||
45 | |||
46 | #if 0 | ||
47 | #include "dsplib.h" | ||
48 | |||
49 | #undef MAX16 | ||
50 | #define MAX16(a,b) _max(a,b) | ||
51 | |||
52 | #undef MIN16 | ||
53 | #define MIN16(a,b) _min(a,b) | ||
54 | |||
55 | #undef MAX32 | ||
56 | #define MAX32(a,b) _lmax(a,b) | ||
57 | |||
58 | #undef MIN32 | ||
59 | #define MIN32(a,b) _lmin(a,b) | ||
60 | |||
61 | #undef VSHR32 | ||
62 | #define VSHR32(a, shift) _lshl(a,-(shift)) | ||
63 | |||
64 | #undef MULT16_16_Q15 | ||
65 | #define MULT16_16_Q15(a,b) (_smpy(a,b)) | ||
66 | |||
67 | #define celt_maxabs16(x, len) MAX32(EXTEND32(maxval((DATA *)x, len)),-EXTEND32(minval((DATA *)x, len))) | ||
68 | #define OVERRIDE_CELT_MAXABS16 | ||
69 | |||
70 | #endif /* FIXED_C6X_H */ | ||