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