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 WORD32 ixheaacd_complex_fft(WORD32 *data_r, WORD32 *data_i, WORD32 len, 29 WORD32 fft_mode, WORD32 *preshift); 30 31 #endif 32