1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_C2_SOFT_AMR_DEC_H_
18 #define ANDROID_C2_SOFT_AMR_DEC_H_
19 
20 #include <SimpleC2Component.h>
21 #include "gsmamr_dec.h"
22 #include "pvamrwbdecoder.h"
23 
24 
25 namespace android {
26 
27 struct C2SoftAmrDec : public SimpleC2Component {
28     class IntfImpl;
29 
30     C2SoftAmrDec(const char *name, c2_node_id_t id,
31               const std::shared_ptr<IntfImpl> &intfImpl);
32     virtual ~C2SoftAmrDec();
33 
34     // From SimpleC2Component
35     c2_status_t onInit() override;
36     c2_status_t onStop() override;
37     void onReset() override;
38     void onRelease() override;
39     c2_status_t onFlush_sm() override;
40     void process(
41             const std::unique_ptr<C2Work> &work,
42             const std::shared_ptr<C2BlockPool> &pool) override;
43     c2_status_t drain(
44             uint32_t drainMode,
45             const std::shared_ptr<C2BlockPool> &pool) override;
46 private:
47     enum {
48         kNumSamplesPerFrameNB   = 160,
49         kNumSamplesPerFrameWB   = 320,
50     };
51 
52     std::shared_ptr<IntfImpl> mIntf;
53     void *mAmrHandle;
54     void *mDecoderBuf;
55     int16_t *mDecoderCookie;
56     RX_State_wb mRxState{};
57 
58     int16_t mInputSampleBuffer[477];
59 
60     bool mIsWide;
61     bool mSignalledError;
62     bool mSignalledOutputEos;
63 
64     status_t initDecoder();
65 
66     C2_DO_NOT_COPY(C2SoftAmrDec);
67 };
68 
69 }  // namespace android
70 
71 #endif  // ANDROID_C2_SOFT_AMR_DEC_H_
72