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 C2_SOFT_MPEG4_DEC_H_
18#define C2_SOFT_MPEG4_DEC_H_
19
20#include <SimpleC2Component.h>
21
22
23struct tagvideoDecControls;
24
25namespace android {
26
27struct C2SoftMpeg4Dec : public SimpleC2Component {
28    class IntfImpl;
29
30    C2SoftMpeg4Dec(const char* name, c2_node_id_t id,
31                   const std::shared_ptr<IntfImpl>& intfImpl);
32    virtual ~C2SoftMpeg4Dec();
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        kNumOutputBuffers = 2,
49    };
50
51    status_t initDecoder();
52    c2_status_t ensureDecoderState(const std::shared_ptr<C2BlockPool> &pool);
53    void finishWork(uint64_t index, const std::unique_ptr<C2Work> &work);
54    bool handleResChange(const std::unique_ptr<C2Work> &work);
55
56    std::shared_ptr<IntfImpl> mIntf;
57    tagvideoDecControls *mDecHandle;
58    std::shared_ptr<C2GraphicBlock> mOutBlock;
59    uint8_t *mOutputBuffer[kNumOutputBuffers];
60
61    uint32_t mWidth;
62    uint32_t mHeight;
63    uint32_t mNumSamplesOutput;
64
65    bool mIsMpeg4;
66    bool mInitialized;
67    bool mFramesConfigured;
68    bool mSignalledOutputEos;
69    bool mSignalledError;
70
71    C2_DO_NOT_COPY(C2SoftMpeg4Dec);
72};
73
74}  // namespace android
75
76#endif  // C2_SOFT_MPEG4_DEC_H_
77