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_XAAC_DEC_H_
18#define ANDROID_C2_SOFT_XAAC_DEC_H_
19
20#include <SimpleC2Component.h>
21
22#include "ixheaacd_type_def.h"
23#include "ixheaacd_error_standards.h"
24#include "ixheaacd_error_handler.h"
25#include "ixheaacd_apicmd_standards.h"
26#include "ixheaacd_memory_standards.h"
27#include "ixheaacd_aac_config.h"
28
29#define MAX_MEM_ALLOCS              100
30#define MAX_CHANNEL_COUNT           8  /* maximum number of audio channels that can be decoded */
31#define MAX_NUM_BLOCKS              8  /* maximum number of audio blocks that can be decoded */
32
33extern "C" IA_ERRORCODE ixheaacd_dec_api(pVOID p_ia_module_obj,
34                        WORD32 i_cmd, WORD32 i_idx, pVOID pv_value);
35
36namespace android {
37
38struct C2SoftXaacDec : public SimpleC2Component {
39    class IntfImpl;
40
41    C2SoftXaacDec(const char* name, c2_node_id_t id,
42               const std::shared_ptr<IntfImpl>& intfImpl);
43    virtual ~C2SoftXaacDec();
44
45    // From SimpleC2Component
46    c2_status_t onInit() override;
47    c2_status_t onStop() override;
48    void onReset() override;
49    void onRelease() override;
50    c2_status_t onFlush_sm() override;
51    void process(
52            const std::unique_ptr<C2Work> &work,
53            const std::shared_ptr<C2BlockPool> &pool) override;
54    c2_status_t drain(
55            uint32_t drainMode,
56            const std::shared_ptr<C2BlockPool> &pool) override;
57
58private:
59    enum {
60        kOutputDrainBufferSize      = 2048 * MAX_CHANNEL_COUNT * MAX_NUM_BLOCKS,
61    };
62
63    std::shared_ptr<IntfImpl> mIntf;
64    void* mXheaacCodecHandle;
65    uint32_t mInputBufferSize;
66    uint32_t mOutputFrameLength;
67    int8_t* mInputBuffer;
68    int8_t* mOutputBuffer;
69    int32_t mSampFreq;
70    int32_t mNumChannels;
71    int32_t mPcmWdSz;
72    int32_t mChannelMask;
73    int32_t mNumOutBytes;
74    uint64_t mCurFrameIndex;
75    uint64_t mCurTimestamp;
76    bool mIsCodecInitialized;
77    bool mIsCodecConfigFlushRequired;
78
79    void* mMemoryArray[MAX_MEM_ALLOCS];
80    int32_t mMallocCount;
81
82    size_t mInputBufferCount __unused;
83    size_t mOutputBufferCount __unused;
84    bool mSignalledOutputEos;
85    bool mSignalledError;
86    short* mOutputDrainBuffer;
87    uint32_t mOutputDrainBufferWritePos;
88
89    status_t initDecoder();
90    void configflushDecode();
91    int drainDecoder();
92
93    void finishWork(const std::unique_ptr<C2Work>& work,
94                    const std::shared_ptr<C2BlockPool>& pool);
95
96    status_t initXAACDrc();
97    int initXAACDecoder();
98    int deInitXAACDecoder();
99    int configXAACDecoder(uint8_t* inBuffer, uint32_t inBufferLength);
100    int decodeXAACStream(uint8_t* inBuffer,
101                         uint32_t inBufferLength,
102                         int32_t* bytesConsumed,
103                         int32_t* outBytes);
104    IA_ERRORCODE getXAACStreamInfo();
105
106    C2_DO_NOT_COPY(C2SoftXaacDec);
107};
108
109}  // namespace android
110
111#endif  // C2_SOFT_XAAC_H_
112