xref: /aosp_15_r20/external/libdav1d/src/itx_1d.h (revision c09093415860a1c2373dacd84c4fde00c507cdfd)
1 /*
2  * Copyright © 2018-2019, VideoLAN and dav1d authors
3  * Copyright © 2018-2019, 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 #include <stddef.h>
29 #include <stdint.h>
30 
31 #include "src/levels.h"
32 
33 #ifndef DAV1D_SRC_ITX_1D_H
34 #define DAV1D_SRC_ITX_1D_H
35 
36 enum Tx1dType {
37     DCT,
38     ADST,
39     IDENTITY,
40     FLIPADST,
41     N_TX_1D_TYPES,
42 };
43 
44 #define decl_itx_1d_fn(name) \
45 void (name)(int32_t *c, ptrdiff_t stride, int min, int max)
46 typedef decl_itx_1d_fn(*itx_1d_fn);
47 
48 EXTERN const itx_1d_fn dav1d_tx1d_fns[N_TX_SIZES][N_TX_1D_TYPES];
49 EXTERN const uint8_t /* enum Tx1dType */ dav1d_tx1d_types[N_TX_TYPES][2];
50 
51 void dav1d_inv_wht4_1d_c(int32_t *c, ptrdiff_t stride);
52 
53 #endif /* DAV1D_SRC_ITX_1D_H */
54