xref: /aosp_15_r20/external/libaom/av1/encoder/arm/txfm_neon.h (revision 77c1e3ccc04c968bd2bc212e87364f250e820521)
1*77c1e3ccSAndroid Build Coastguard Worker /*
2*77c1e3ccSAndroid Build Coastguard Worker  * Copyright (c) 2023, Alliance for Open Media. All rights reserved.
3*77c1e3ccSAndroid Build Coastguard Worker  *
4*77c1e3ccSAndroid Build Coastguard Worker  * This source code is subject to the terms of the BSD 2 Clause License and
5*77c1e3ccSAndroid Build Coastguard Worker  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6*77c1e3ccSAndroid Build Coastguard Worker  * was not distributed with this source code in the LICENSE file, you can
7*77c1e3ccSAndroid Build Coastguard Worker  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8*77c1e3ccSAndroid Build Coastguard Worker  * Media Patent License 1.0 was not distributed with this source code in the
9*77c1e3ccSAndroid Build Coastguard Worker  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10*77c1e3ccSAndroid Build Coastguard Worker  */
11*77c1e3ccSAndroid Build Coastguard Worker 
12*77c1e3ccSAndroid Build Coastguard Worker #ifndef AOM_AV1_ENCODER_ARM_TXFM_NEON_H_
13*77c1e3ccSAndroid Build Coastguard Worker #define AOM_AV1_ENCODER_ARM_TXFM_NEON_H_
14*77c1e3ccSAndroid Build Coastguard Worker 
15*77c1e3ccSAndroid Build Coastguard Worker #include <stdint.h>
16*77c1e3ccSAndroid Build Coastguard Worker 
ud_adjust_input_and_stride(int ud_flip,const int16_t ** input,int * stride,int out_size)17*77c1e3ccSAndroid Build Coastguard Worker static inline void ud_adjust_input_and_stride(int ud_flip,
18*77c1e3ccSAndroid Build Coastguard Worker                                               const int16_t **input,
19*77c1e3ccSAndroid Build Coastguard Worker                                               int *stride, int out_size) {
20*77c1e3ccSAndroid Build Coastguard Worker   if (ud_flip) {
21*77c1e3ccSAndroid Build Coastguard Worker     *input = *input + (out_size - 1) * *stride;
22*77c1e3ccSAndroid Build Coastguard Worker     *stride = -*stride;
23*77c1e3ccSAndroid Build Coastguard Worker   }
24*77c1e3ccSAndroid Build Coastguard Worker }
25*77c1e3ccSAndroid Build Coastguard Worker 
26*77c1e3ccSAndroid Build Coastguard Worker #endif  // AOM_AV1_ENCODER_ARM_TXFM_NEON_H_
27