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_G711_DEC_H_
18 #define ANDROID_C2_SOFT_G711_DEC_H_
19 
20 #include <SimpleC2Component.h>
21 
22 
23 namespace android {
24 
25 struct C2SoftG711Dec : public SimpleC2Component {
26     class IntfImpl;
27 
28     C2SoftG711Dec(const char *name, c2_node_id_t id,
29                const std::shared_ptr<IntfImpl> &intfImpl);
30     virtual ~C2SoftG711Dec();
31 
32     // From SimpleC2Component
33     c2_status_t onInit() override;
34     c2_status_t onStop() override;
35     void onReset() override;
36     void onRelease() override;
37     c2_status_t onFlush_sm() override;
38     void process(
39             const std::unique_ptr<C2Work> &work,
40             const std::shared_ptr<C2BlockPool> &pool) override;
41     c2_status_t drain(
42             uint32_t drainMode,
43             const std::shared_ptr<C2BlockPool> &pool) override;
44 private:
45     std::shared_ptr<IntfImpl> mIntf;
46     bool mSignalledOutputEos;
47 
48 #ifdef ALAW
49     void DecodeALaw(int16_t *out, const uint8_t *in, size_t inSize);
50 #else
51     void DecodeMLaw(int16_t *out, const uint8_t *in, size_t inSize);
52 #endif
53 
54     C2_DO_NOT_COPY(C2SoftG711Dec);
55 };
56 
57 }  // namespace android
58 
59 #endif  // ANDROID_C2_SOFT_G711_DEC_H_
60