xref: /aosp_15_r20/external/libdav1d/src/arm/msac.h (revision c09093415860a1c2373dacd84c4fde00c507cdfd)
1 /*
2  * Copyright © 2019, VideoLAN and dav1d authors
3  * Copyright © 2019, Two Orioles, LLC
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright notice, this
10  *    list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  *    this list of conditions and the following disclaimer in the documentation
14  *    and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef DAV1D_SRC_ARM_MSAC_H
29 #define DAV1D_SRC_ARM_MSAC_H
30 
31 unsigned dav1d_msac_decode_symbol_adapt4_neon(MsacContext *s, uint16_t *cdf,
32                                               size_t n_symbols);
33 unsigned dav1d_msac_decode_symbol_adapt8_neon(MsacContext *s, uint16_t *cdf,
34                                               size_t n_symbols);
35 unsigned dav1d_msac_decode_symbol_adapt16_neon(MsacContext *s, uint16_t *cdf,
36                                                size_t n_symbols);
37 unsigned dav1d_msac_decode_hi_tok_neon(MsacContext *s, uint16_t *cdf);
38 unsigned dav1d_msac_decode_bool_adapt_neon(MsacContext *s, uint16_t *cdf);
39 unsigned dav1d_msac_decode_bool_equi_neon(MsacContext *s);
40 unsigned dav1d_msac_decode_bool_neon(MsacContext *s, unsigned f);
41 
42 #if defined(__ARM_NEON) || defined(__APPLE__) || defined(_WIN32) || ARCH_AARCH64
43 #define dav1d_msac_decode_symbol_adapt4  dav1d_msac_decode_symbol_adapt4_neon
44 #define dav1d_msac_decode_symbol_adapt8  dav1d_msac_decode_symbol_adapt8_neon
45 #define dav1d_msac_decode_symbol_adapt16 dav1d_msac_decode_symbol_adapt16_neon
46 #define dav1d_msac_decode_hi_tok         dav1d_msac_decode_hi_tok_neon
47 #define dav1d_msac_decode_bool_adapt     dav1d_msac_decode_bool_adapt_neon
48 #define dav1d_msac_decode_bool_equi      dav1d_msac_decode_bool_equi_neon
49 #define dav1d_msac_decode_bool           dav1d_msac_decode_bool_neon
50 #endif
51 
52 #endif /* DAV1D_SRC_ARM_MSAC_H */
53