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      1 /*
      2  * Copyright (C) 2012 Intel Corporation.  All rights reserved.
      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 
     18 #ifndef __ISV_PROCESSOR_H
     19 #define __ISV_PROCESSOR_H
     20 
     21 #include <media/stagefright/MetaData.h>
     22 #include "isv_worker.h"
     23 
     24 #include <utils/Mutex.h>
     25 #include <utils/threads.h>
     26 #include <utils/Errors.h>
     27 #include "isv_bufmanager.h"
     28 #define ISV_COMPONENT_LOCK_DEBUG 0
     29 #define ISV_THREAD_DEBUG 0
     30 
     31 using namespace android;
     32 
     33 typedef enum {
     34     kPortIndexInput  = 0,
     35     kPortIndexOutput = 1
     36 }PORT_INDEX;
     37 
     38 class ISVBufferManager;
     39 class ISVProcessorObserver: public RefBase
     40 {
     41 public:
     42     virtual OMX_ERRORTYPE releaseBuffer(PORT_INDEX index, OMX_BUFFERHEADERTYPE* pBuffer, bool bFlush) = 0;
     43     virtual OMX_ERRORTYPE reportOutputCrop() = 0;
     44 };
     45 
     46 class ISVProcessor : public Thread
     47 {
     48 public:
     49     ISVProcessor(bool canCallJava, sp<ISVBufferManager> bufferManager, sp<ISVProcessorObserver> observer, uint32_t width, uint32_t height);
     50     virtual ~ISVProcessor();
     51 
     52     virtual status_t readyToRun();
     53 
     54     // Derived class must implement threadLoop(). The thread starts its life
     55     // here. There are two ways of using the Thread object:
     56                                                 // 1) loop: if threadLoop() returns true, it will be called again if
     57                                                 //          requestExit() wasn't called.
     58                                                 // 2) once: if threadLoop() returns false, the thread will exit upon return.
     59     virtual bool threadLoop();
     60     bool isCurrentThread() const;
     61 
     62     void start();
     63     void stop();
     64     bool isReadytoRun();
     65 
     66     //configure FRC factor
     67     status_t configFRC(uint32_t fps);
     68     //add output buffer into mOutputBuffers
     69     void addOutput(OMX_BUFFERHEADERTYPE* output);
     70     //add intput buffer into mInputBuffers
     71     void addInput(OMX_BUFFERHEADERTYPE* input);
     72     //notify flush and wait flush finish
     73     void notifyFlush();
     74     void waitFlushFinished();
     75 
     76 private:
     77     bool getBufForFirmwareOutput(Vector<ISVBuffer*> *fillBufList,
     78             uint32_t *fillBufNum);
     79     status_t updateFirmwareOutputBufStatus(uint32_t fillBufNum);
     80     bool getBufForFirmwareInput(Vector<ISVBuffer*> *procBufList,
     81             ISVBuffer **inputBuf,
     82             uint32_t *procBufNum );
     83     status_t updateFirmwareInputBufStatus(uint32_t procBufNum);
     84     //flush input&ouput buffer queue
     85     void flush();
     86     //return whether this fps is valid
     87     inline bool isFrameRateValid(uint32_t fps);
     88     //auto calculate fps if the framework doesn't set the correct fps
     89     status_t calculateFps(int64_t timeStamp, uint32_t* fps);
     90     //config vpp filters
     91     status_t configFilters(OMX_BUFFERHEADERTYPE* buffer);
     92 
     93 private:
     94     sp<ISVProcessorObserver> mpOwner;
     95     android_thread_id_t mThreadId;
     96     bool mThreadRunning;
     97 
     98     sp<ISVWorker> mISVWorker;
     99     sp<ISVProfile> mISVProfile;
    100     // buffer manager
    101     sp<ISVBufferManager> mBufferManager;
    102 
    103     Vector<OMX_BUFFERHEADERTYPE*> mOutputBuffers;
    104     Mutex mOutputLock; // to protect access to mOutputBuffers
    105     uint32_t mOutputProcIdx;
    106 
    107     Vector<OMX_BUFFERHEADERTYPE*> mInputBuffers;
    108     Mutex mInputLock; // to protect access to mFillBuffers
    109     uint32_t mInputProcIdx;
    110 
    111     const static uint32_t WINDOW_SIZE = 4;  // must >= 2
    112     Vector<int64_t>mTimeWindow;
    113     // conditon for thread running
    114     Mutex mLock;
    115     Condition mRunCond;
    116 
    117     // condition for seek finish
    118     Mutex mEndLock;
    119     Condition mEndCond;
    120 
    121     uint32_t mNumTaskInProcesing;
    122     uint32_t mNumRetry;
    123     bool mError;
    124     bool mbFlush;
    125     bool mbBypass;
    126     bool mFlagEnd;
    127     bool mFrcOn;
    128 
    129     // ISV filter configuration
    130     uint32_t mFilters;
    131     FilterParam mFilterParam;
    132 };
    133 
    134 #endif /* __ISV_THREAD_H*/
    135