1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 // constants shared by all paths (C, SSE2). 12 extern float rdft_w[64]; 13 14 // code path selection function pointers 15 typedef void (*rft_sub_128_t)(float *a); 16 extern rft_sub_128_t rftfsub_128; 17 extern rft_sub_128_t rftbsub_128; 18 19 // entry points 20 void aec_rdft_init(void); 21 void aec_rdft_init_sse2(void); 22 void aec_rdft_forward_128(float *a); 23 void aec_rdft_inverse_128(float *a); 24