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1 /*
2  * Copyright 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 C2_SOFT_MPEG4_ENC_H__
18 #define C2_SOFT_MPEG4_ENC_H__
19 
20 #include <map>
21 
22 #include <Codec2BufferUtils.h>
23 #include <SimpleC2Component.h>
24 
25 #include "mp4enc_api.h"
26 
27 namespace android {
28 
29 struct C2SoftMpeg4Enc : public SimpleC2Component {
30     class IntfImpl;
31 
32     C2SoftMpeg4Enc(const char* name, c2_node_id_t id,
33                    const std::shared_ptr<IntfImpl>& intfImpl);
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 protected:
49 
50     virtual ~C2SoftMpeg4Enc();
51 
52 private:
53     std::shared_ptr<IntfImpl> mIntf;
54 
55     tagvideoEncControls *mHandle;
56     tagvideoEncOptions  *mEncParams;
57 
58     bool     mStarted;
59     bool     mSignalledOutputEos;
60     bool     mSignalledError;
61 
62     uint32_t mOutBufferSize;
63     // configurations used by component in process
64     // (TODO: keep this in intf but make them internal only)
65     std::shared_ptr<C2StreamPictureSizeInfo::input> mSize;
66     std::shared_ptr<C2StreamFrameRateInfo::output> mFrameRate;
67     std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;
68 
69     int64_t  mNumInputFrames;
70     MP4EncodingMode mEncodeMode;
71 
72     MemoryBlockPool mConversionBuffers;
73     std::map<void *, MemoryBlock> mConversionBuffersInUse;
74 
75     c2_status_t initEncParams();
76     c2_status_t initEncoder();
77 
78     C2_DO_NOT_COPY(C2SoftMpeg4Enc);
79 };
80 
81 }  // namespace android
82 
83 #endif  // C2_SOFT_MPEG4_ENC_H__
84