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 #include "splitting_filter.h"
12 #include "signal_processing_library.h"
13
14 namespace webrtc {
15
SplittingFilterAnalysis(const WebRtc_Word16 * in_data,WebRtc_Word16 * low_band,WebRtc_Word16 * high_band,WebRtc_Word32 * filter_state1,WebRtc_Word32 * filter_state2)16 void SplittingFilterAnalysis(const WebRtc_Word16* in_data,
17 WebRtc_Word16* low_band,
18 WebRtc_Word16* high_band,
19 WebRtc_Word32* filter_state1,
20 WebRtc_Word32* filter_state2)
21 {
22 WebRtcSpl_AnalysisQMF(in_data, low_band, high_band, filter_state1, filter_state2);
23 }
24
SplittingFilterSynthesis(const WebRtc_Word16 * low_band,const WebRtc_Word16 * high_band,WebRtc_Word16 * out_data,WebRtc_Word32 * filt_state1,WebRtc_Word32 * filt_state2)25 void SplittingFilterSynthesis(const WebRtc_Word16* low_band,
26 const WebRtc_Word16* high_band,
27 WebRtc_Word16* out_data,
28 WebRtc_Word32* filt_state1,
29 WebRtc_Word32* filt_state2)
30 {
31 WebRtcSpl_SynthesisQMF(low_band, high_band, out_data, filt_state1, filt_state2);
32 }
33 } // namespace webrtc
34