1 /******************************************************************************
2  *                                                                            *
3  * Copyright (C) 2018 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *****************************************************************************
18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 #ifndef IXHEAACD_TD_MDCT_H
21 #define IXHEAACD_TD_MDCT_H
22 
23 WORD8 ixheaacd_float2fix(FLOAT32 *x, WORD32 *int_x, WORD32 length);
24 
25 VOID ixheaacd_fix2float(WORD32 *int_xn1, FLOAT32 *xn1, WORD32 length,
26                         WORD8 *shiftp, WORD32 *preshift);
27 
28 VOID ixheaacd_complex_fft(WORD32 *data_r, WORD32 *data_i, WORD32 len,
29                           WORD32 fft_mode, WORD32 *preshift);
30 
31 #endif
32