1 /* 2 * Copyright (C) 2017 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_AAC_DEC_H_ 18 #define ANDROID_C2_SOFT_AAC_DEC_H_ 19 20 #include <SimpleC2Component.h> 21 22 23 #include "aacdecoder_lib.h" 24 #include "DrcPresModeWrap.h" 25 26 namespace android { 27 28 struct C2SoftAacDec : public SimpleC2Component { 29 class IntfImpl; 30 31 C2SoftAacDec(const char *name, c2_node_id_t id, const std::shared_ptr<IntfImpl> &intfImpl); 32 virtual ~C2SoftAacDec(); 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 47 private: 48 enum { 49 kNumDelayBlocksMax = 8, 50 }; 51 52 std::shared_ptr<IntfImpl> mIntf; 53 54 HANDLE_AACDECODER mAACDecoder; 55 CStreamInfo *mStreamInfo; 56 bool mIsFirst; 57 size_t mInputBufferCount; 58 size_t mOutputBufferCount; 59 bool mSignalledError; 60 struct Info { 61 uint64_t frameIndex; 62 size_t bufferSize; 63 uint64_t timestamp; 64 std::vector<int32_t> decodedSizes; 65 }; 66 std::list<Info> mBuffersInfo; 67 68 CDrcPresModeWrapper mDrcWrap; 69 70 enum { 71 NONE, 72 AWAITING_DISABLED, 73 AWAITING_ENABLED 74 } mOutputPortSettingsChange; 75 76 void initPorts(); 77 status_t initDecoder(); 78 bool isConfigured() const; 79 void drainDecoder(); 80 81 void drainRingBuffer( 82 const std::unique_ptr<C2Work> &work, 83 const std::shared_ptr<C2BlockPool> &pool, 84 bool eos); 85 c2_status_t drainInternal( 86 uint32_t drainMode, 87 const std::shared_ptr<C2BlockPool> &pool, 88 const std::unique_ptr<C2Work> &work); 89 90 // delay compensation 91 bool mEndOfInput; 92 bool mEndOfOutput; 93 int32_t mOutputDelayCompensated; 94 int32_t mOutputDelayRingBufferSize; 95 short *mOutputDelayRingBuffer; 96 int32_t mOutputDelayRingBufferWritePos; 97 int32_t mOutputDelayRingBufferReadPos; 98 int32_t mOutputDelayRingBufferFilled; 99 bool outputDelayRingBufferPutSamples(INT_PCM *samples, int numSamples); 100 int32_t outputDelayRingBufferGetSamples(INT_PCM *samples, int numSamples); 101 int32_t outputDelayRingBufferSamplesAvailable(); 102 int32_t outputDelayRingBufferSpaceLeft(); 103 104 C2_DO_NOT_COPY(C2SoftAacDec); 105 }; 106 107 } // namespace android 108 109 #endif // ANDROID_C2_SOFT_AAC_DEC_H_ 110