Home | History | Annotate | Download | only in xaacdec 
      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 SOFTXAAC_H_
     18 #define SOFTXAAC_H_
     19 
     20 #include <media/stagefright/omx/SimpleSoftOMXComponent.h>
     21 
     22 #include <string.h>
     23 #include <stdlib.h>
     24 #include <stdio.h>
     25 
     26 #include "ixheaacd_type_def.h"
     27 #include "ixheaacd_error_standards.h"
     28 #include "ixheaacd_error_handler.h"
     29 #include "ixheaacd_apicmd_standards.h"
     30 #include "ixheaacd_memory_standards.h"
     31 #include "ixheaacd_aac_config.h"
     32 
     33 #include "impd_apicmd_standards.h"
     34 #include "impd_drc_config_params.h"
     35 
     36 #define MAX_MEM_ALLOCS 100
     37 
     38 extern "C" IA_ERRORCODE ixheaacd_dec_api(pVOID p_ia_module_obj, WORD32 i_cmd, WORD32 i_idx,
     39                                          pVOID pv_value);
     40 extern "C" IA_ERRORCODE ia_drc_dec_api(pVOID p_ia_module_obj, WORD32 i_cmd, WORD32 i_idx,
     41                                        pVOID pv_value);
     42 extern "C" IA_ERRORCODE ixheaacd_get_config_param(pVOID p_ia_process_api_obj, pWORD32 pi_samp_freq,
     43                                                   pWORD32 pi_num_chan, pWORD32 pi_pcm_wd_sz,
     44                                                   pWORD32 pi_channel_mask);
     45 
     46 namespace android {
     47 
     48 struct SoftXAAC : public SimpleSoftOMXComponent {
     49     SoftXAAC(const char* name, const OMX_CALLBACKTYPE* callbacks, OMX_PTR appData,
     50              OMX_COMPONENTTYPE** component);
     51 
     52    protected:
     53     virtual ~SoftXAAC();
     54 
     55     virtual OMX_ERRORTYPE internalGetParameter(OMX_INDEXTYPE index, OMX_PTR params);
     56 
     57     virtual OMX_ERRORTYPE internalSetParameter(OMX_INDEXTYPE index, const OMX_PTR params);
     58 
     59     virtual void onQueueFilled(OMX_U32 portIndex);
     60     virtual void onPortFlushCompleted(OMX_U32 portIndex);
     61     virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
     62     virtual void onReset();
     63 
     64    private:
     65     enum {
     66         kNumInputBuffers = 4,
     67         kNumOutputBuffers = 4,
     68         kNumDelayBlocksMax = 8,
     69     };
     70 
     71     bool mIsADTS;
     72     size_t mInputBufferCount;
     73     size_t mOutputBufferCount;
     74     bool mSignalledError;
     75     OMX_BUFFERHEADERTYPE* mLastInHeader;
     76     int64_t mPrevTimestamp;
     77     int64_t mCurrentTimestamp;
     78     uint32_t mBufSize;
     79 
     80     enum { NONE, AWAITING_DISABLED, AWAITING_ENABLED } mOutputPortSettingsChange;
     81 
     82     void initPorts();
     83     status_t initDecoder();
     84     bool isConfigured() const;
     85     int drainDecoder();
     86     int initXAACDecoder();
     87     int deInitXAACDecoder();
     88 
     89     int configXAACDecoder(uint8_t* inBuffer, uint32_t inBufferLength);
     90     int configMPEGDDrc();
     91     int decodeXAACStream(uint8_t* inBuffer, uint32_t inBufferLength, int32_t* bytesConsumed,
     92                          int32_t* outBytes);
     93 
     94     int configflushDecode();
     95     IA_ERRORCODE getXAACStreamInfo();
     96     IA_ERRORCODE setXAACDRCInfo(int32_t drcCut, int32_t drcBoost, int32_t drcRefLevel,
     97                                 int32_t drcHeavyCompression
     98 #ifdef ENABLE_MPEG_D_DRC
     99                                 ,
    100                                 int32_t drEffectType
    101 #endif
    102     );
    103 
    104     bool mEndOfInput;
    105     bool mEndOfOutput;
    106 
    107     void* mXheaacCodecHandle;
    108     void* mMpegDDrcHandle;
    109     uint32_t mInputBufferSize;
    110     uint32_t mOutputFrameLength;
    111     int8_t* mInputBuffer;
    112     int8_t* mOutputBuffer;
    113     int32_t mSampFreq;
    114     int32_t mNumChannels;
    115     int32_t mPcmWdSz;
    116     int32_t mChannelMask;
    117     bool mIsCodecInitialized;
    118     bool mIsCodecConfigFlushRequired;
    119     int8_t* mDrcInBuf;
    120     int8_t* mDrcOutBuf;
    121     int32_t mMpegDDRCPresent;
    122     int32_t mDRCFlag;
    123 
    124     void* mMemoryArray[MAX_MEM_ALLOCS];
    125     int32_t mMallocCount;
    126 
    127     DISALLOW_EVIL_CONSTRUCTORS(SoftXAAC);
    128 };
    129 
    130 }  // namespace android
    131 
    132 #endif  // SOFTXAAC_H_
    133