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 #include <utils/Vector.h>
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 #include "impd_apicmd_standards.h"
30 #include "impd_drc_config_params.h"
31 
32 #define MAX_CHANNEL_COUNT           8  /* maximum number of audio channels that can be decoded */
33 #define MAX_NUM_BLOCKS              8  /* maximum number of audio blocks that can be decoded */
34 
35 extern "C" IA_ERRORCODE ixheaacd_dec_api(pVOID p_ia_module_obj,
36                         WORD32 i_cmd, WORD32 i_idx, pVOID pv_value);
37 extern "C" IA_ERRORCODE ia_drc_dec_api(pVOID p_ia_module_obj,
38                         WORD32 i_cmd, WORD32 i_idx, pVOID pv_value);
39 extern "C"  IA_ERRORCODE ixheaacd_get_config_param(pVOID p_ia_process_api_obj,
40                                        pWORD32 pi_samp_freq,
41                                        pWORD32 pi_num_chan,
42                                        pWORD32 pi_pcm_wd_sz,
43                                        pWORD32 pi_channel_mask);
44 
45 namespace android {
46 
47 struct C2SoftXaacDec : public SimpleC2Component {
48     class IntfImpl;
49 
50     C2SoftXaacDec(const char* name, c2_node_id_t id,
51                const std::shared_ptr<IntfImpl>& intfImpl);
52     virtual ~C2SoftXaacDec();
53 
54     // From SimpleC2Component
55     c2_status_t onInit() override;
56     c2_status_t onStop() override;
57     void onReset() override;
58     void onRelease() override;
59     c2_status_t onFlush_sm() override;
60     void process(
61             const std::unique_ptr<C2Work> &work,
62             const std::shared_ptr<C2BlockPool> &pool) override;
63     c2_status_t drain(
64             uint32_t drainMode,
65             const std::shared_ptr<C2BlockPool> &pool) override;
66 
67 private:
68     enum {
69         kOutputDrainBufferSize      = 2048 * MAX_CHANNEL_COUNT * MAX_NUM_BLOCKS,
70     };
71 
72     std::shared_ptr<IntfImpl> mIntf;
73     void* mXheaacCodecHandle;
74     void* mMpegDDrcHandle;
75     uint32_t mInputBufferSize;
76     uint32_t mOutputFrameLength;
77     int8_t* mInputBuffer;
78     int8_t* mOutputBuffer;
79     int32_t mSampFreq;
80     int32_t mNumChannels;
81     int32_t mPcmWdSz;
82     int32_t mChannelMask;
83     int32_t mNumOutBytes;
84     uint64_t mCurFrameIndex;
85     uint64_t mCurTimestamp;
86     bool mIsCodecInitialized;
87     bool mIsCodecConfigFlushRequired;
88     int8_t* mDrcInBuf;
89     int8_t* mDrcOutBuf;
90     int32_t mMpegDDRCPresent;
91     int32_t mDRCFlag;
92 
93     Vector<void*> mMemoryVec;
94     Vector<void*> mDrcMemoryVec;
95 
96     size_t mInputBufferCount __unused;
97     size_t mOutputBufferCount __unused;
98     bool mSignalledOutputEos;
99     bool mSignalledError;
100     char* mOutputDrainBuffer;
101     uint32_t mOutputDrainBufferWritePos;
102 
103     IA_ERRORCODE initDecoder();
104     IA_ERRORCODE setDrcParameter();
105     IA_ERRORCODE configflushDecode();
106     IA_ERRORCODE drainDecoder();
107     void finishWork(const std::unique_ptr<C2Work>& work,
108                     const std::shared_ptr<C2BlockPool>& pool);
109 
110     IA_ERRORCODE initXAACDrc();
111     IA_ERRORCODE initXAACDecoder();
112     IA_ERRORCODE deInitXAACDecoder();
113     IA_ERRORCODE initMPEGDDDrc();
114     IA_ERRORCODE deInitMPEGDDDrc();
115     IA_ERRORCODE configXAACDecoder(uint8_t* inBuffer, uint32_t inBufferLength);
116     int configMPEGDDrc();
117     IA_ERRORCODE decodeXAACStream(uint8_t* inBuffer,
118                          uint32_t inBufferLength,
119                          int32_t* bytesConsumed,
120                          int32_t* outBytes);
121     IA_ERRORCODE getXAACStreamInfo();
122     IA_ERRORCODE setXAACDRCInfo(int32_t drcCut, int32_t drcBoost,
123                                 int32_t drcRefLevel, int32_t drcHeavyCompression,
124                                 int32_t drEffectType);
125 
126     C2_DO_NOT_COPY(C2SoftXaacDec);
127 };
128 
129 }  // namespace android
130 
131 #endif  // C2_SOFT_XAAC_H_
132