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_AAC_ENC_H_
18 #define ANDROID_C2_SOFT_AAC_ENC_H_
19 
20 #include <atomic>
21 
22 #include <SimpleC2Component.h>
23 
24 #include "aacenc_lib.h"
25 
26 namespace android {
27 
28 class C2SoftAacEnc : public SimpleC2Component {
29 public:
30     class IntfImpl;
31 
32     C2SoftAacEnc(const char *name, c2_node_id_t id, const std::shared_ptr<IntfImpl> &intfImpl);
33     virtual ~C2SoftAacEnc();
34 
35     // From SimpleC2Component
36     c2_status_t onInit() override;
37     c2_status_t onStop() override;
38     void onReset() override;
39     void onRelease() override;
40     c2_status_t onFlush_sm() override;
41     void process(
42             const std::unique_ptr<C2Work> &work,
43             const std::shared_ptr<C2BlockPool> &pool) override;
44     c2_status_t drain(
45             uint32_t drainMode,
46             const std::shared_ptr<C2BlockPool> &pool) override;
47 
48 private:
49     std::shared_ptr<IntfImpl> mIntf;
50 
51     HANDLE_AACENCODER mAACEncoder;
52 
53     int32_t mSBRMode;
54     int32_t mSBRRatio;
55     AUDIO_OBJECT_TYPE mAACProfile;
56     UINT mNumBytesPerInputFrame;
57     UINT mOutBufferSize;
58 
59     bool mSentCodecSpecificData;
60     size_t mInputSize;
61     c2_cntr64_t mInputTimeUs;
62 
63     bool mSignalledError;
64     std::atomic_uint64_t mOutIndex;
65 
66     status_t initEncoder();
67 
68     status_t setAudioParams();
69 
70     C2_DO_NOT_COPY(C2SoftAacEnc);
71 };
72 
73 }  // namespace android
74 
75 #endif  // ANDROID_C2_SOFT_AAC_ENC_H_
76