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      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