Home | History | Annotate | Download | only in aacdec 
      1 /*
      2  * Copyright (C) 2012 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 SOFT_AAC_2_H_
     18 #define SOFT_AAC_2_H_
     19 
     20 #include "SimpleSoftOMXComponent.h"
     21 
     22 #include "aacdecoder_lib.h"
     23 #include "DrcPresModeWrap.h"
     24 
     25 namespace android {
     26 
     27 struct SoftAAC2 : public SimpleSoftOMXComponent {
     28     SoftAAC2(const char *name,
     29             const OMX_CALLBACKTYPE *callbacks,
     30             OMX_PTR appData,
     31             OMX_COMPONENTTYPE **component);
     32 
     33 protected:
     34     virtual ~SoftAAC2();
     35 
     36     virtual OMX_ERRORTYPE internalGetParameter(
     37             OMX_INDEXTYPE index, OMX_PTR params);
     38 
     39     virtual OMX_ERRORTYPE internalSetParameter(
     40             OMX_INDEXTYPE index, const OMX_PTR params);
     41 
     42     virtual void onQueueFilled(OMX_U32 portIndex);
     43     virtual void onPortFlushCompleted(OMX_U32 portIndex);
     44     virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
     45     virtual void onReset();
     46 
     47 private:
     48     enum {
     49         kNumInputBuffers        = 4,
     50         kNumOutputBuffers       = 4,
     51         kNumDelayBlocksMax      = 8,
     52     };
     53 
     54     HANDLE_AACDECODER mAACDecoder;
     55     CStreamInfo *mStreamInfo;
     56     bool mIsADTS;
     57     bool mIsFirst;
     58     size_t mInputBufferCount;
     59     size_t mOutputBufferCount;
     60     bool mSignalledError;
     61     OMX_BUFFERHEADERTYPE *mLastInHeader;
     62     Vector<int32_t> mBufferSizes;
     63     Vector<int32_t> mDecodedSizes;
     64     Vector<int64_t> mBufferTimestamps;
     65 
     66     CDrcPresModeWrapper mDrcWrap;
     67 
     68     enum {
     69         NONE,
     70         AWAITING_DISABLED,
     71         AWAITING_ENABLED
     72     } mOutputPortSettingsChange;
     73 
     74     void initPorts();
     75     status_t initDecoder();
     76     bool isConfigured() const;
     77     void drainDecoder();
     78 
     79 //      delay compensation
     80     bool mEndOfInput;
     81     bool mEndOfOutput;
     82     int32_t mOutputDelayCompensated;
     83     int32_t mOutputDelayRingBufferSize;
     84     short *mOutputDelayRingBuffer;
     85     int32_t mOutputDelayRingBufferWritePos;
     86     int32_t mOutputDelayRingBufferReadPos;
     87     int32_t mOutputDelayRingBufferFilled;
     88     bool outputDelayRingBufferPutSamples(INT_PCM *samples, int numSamples);
     89     int32_t outputDelayRingBufferGetSamples(INT_PCM *samples, int numSamples);
     90     int32_t outputDelayRingBufferSamplesAvailable();
     91     int32_t outputDelayRingBufferSpaceLeft();
     92 
     93     DISALLOW_EVIL_CONSTRUCTORS(SoftAAC2);
     94 };
     95 
     96 }  // namespace android
     97 
     98 #endif  // SOFT_AAC_2_H_
     99