/*
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* Copyright 2019 Rockchip Electronics Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* author: martin.cheng@rock-chips.com
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* date: 2019/01/04
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* module: RTMediaBuffer
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* author: martin.cheng@rock-chips.com
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* date: 2019/11/01
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* module: add RTBufferListener.
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*/
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#ifndef SRC_RT_MEDIA_INCLUDE_RTMEDIABUFFER_H_
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#define SRC_RT_MEDIA_INCLUDE_RTMEDIABUFFER_H_
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#include <map>
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#include "rt_mutex.h"
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#include "rt_metadata.h"
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#include "RTObject.h"
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#include "RTMediaData.h"
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#include "RTMediaBufferDef.h"
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class RTBufferListener {
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public:
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RTBufferListener() {}
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virtual ~RTBufferListener() {}
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public:
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// buffer callback.
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virtual void onBufferAvailable(void* buffer) = 0;
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virtual void onBufferRealloc(void* buffer, UINT32 size) = 0;
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virtual void onBufferRegister(UINT64 poolCapacity, UINT32 size) {}
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virtual void onBufferRelease(void* buffer, RT_BOOL render) = 0;
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};
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class RTAllocator;
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class RTMediaBuffer : public RTObject {
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public:
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// The underlying data remains the responsibility of the caller!
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explicit RTMediaBuffer(void* data, UINT32 size);
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explicit RTMediaBuffer(
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void* data,
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UINT32 size,
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INT32 handle,
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INT32 fd,
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RTAllocator *alloctor = RT_NULL);
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explicit RTMediaBuffer(UINT32 size);
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explicit RTMediaBuffer(const RTMediaBuffer* data);
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virtual ~RTMediaBuffer();
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RTMediaBuffer& operator = (const RTMediaBuffer &);
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public:
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// override RTObject methods
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void summary(INT32 fd) { }
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const char* getName() {return "mediabuffer";}
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virtual RTMediaBufferType getType();
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virtual RT_BOOL checkType(RTMediaBufferType type);
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public:
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virtual void release(bool debug = false);
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virtual void signalBufferAvailable();
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virtual void signalBufferRealloc(UINT32 size);
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virtual void signalBufferRelease(bool render = false);
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virtual void signalBufferRegister(UINT64 poolCapacity, UINT32 size);
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virtual void* getData() const;
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virtual UINT32 getSize() const;
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virtual UINT32 getRealSize() const;
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virtual UINT32 getOffset() const;
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virtual UINT32 getLength() const;
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virtual INT32 getFd() const;
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virtual INT32 getHandle() const;
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virtual UINT32 getPhyAddr() const;
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virtual INT32 getUniqueID() const;
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virtual INT32 getBufferSeq() const;
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virtual INT32 getPoolID() const;
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virtual UINT64 getModID() const;
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virtual void* getUserData() const;
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virtual void setData(void* data, UINT32 size);
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virtual void setListener(RTBufferListener* listener);
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virtual void setPhyAddr(UINT32 phyaddr);
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virtual void setRange(UINT32 offset, UINT32 length);
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virtual void setRealSize(UINT32 real) { mRealSize = real;}
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virtual void setStatus(RtMediaBufferStatus status);
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virtual void setSite(RTMediaBufferSite site);
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virtual void setBufferID(void *id);
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virtual void setModID(UINT64 modId);
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virtual void setBufferSeq(INT32 seq);
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virtual void setFd(INT32 fd);
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virtual void setHandle(INT32 handle);
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virtual void setUniqueID(INT32 uniqueId);
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virtual void setPoolID(INT32 poolId);
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virtual void setAllocator(RTAllocator *allocator);
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virtual void setUserData(void *param, UserDataFree freeFunc = RT_NULL);
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virtual RT_BOOL hasFlag(INT32 flag) const;
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virtual void setFlag(INT32 flag, INT32 value);
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virtual RtMetaData* getMetaData();
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RTAllocator * getAllocator() { return mAllocator; }
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RtMediaBufferStatus getStatus();
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RTMediaBufferSite getSite();
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RtMetaData* extraMeta(const INT32 id);
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void setExtraMeta(RtMetaData *meta, const INT32 id);
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RT_BOOL hasMeta(const INT32 id) {
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return mExtraMetas.find(id) != mExtraMetas.end();
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}
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void* getBufferID();
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void setRegistered(RT_BOOL registered);
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RT_BOOL isRegistered();
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// refs manage
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RT_RET addRefs();
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INT32 refsCount();
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// Clears meta data and resets the range to the full extent.
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virtual void reset();
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protected:
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void decRefs();
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private:
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void baseInit();
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protected:
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void *mData;
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UINT32 mSize;
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UINT32 mRealSize;
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UINT32 mRangeOffset;
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UINT32 mRangeLength;
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INT32 mHandle;
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INT32 mFd;
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INT32 mUniqueId; // all process can using this id
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INT32 mPoolID;
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UINT64 mModId;
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UINT32 mPhyAddr;
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RT_BOOL mOwnsData;
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INT32 mRefCount;
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void *mBufferID;
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INT32 mBufferSeq;
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RT_BOOL mRegistered;
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RT_BOOL mReleased;
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INT32 mFlag;
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RTMBUserData mUserData;
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RTAllocator *mAllocator;
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RtMutex *mLock;
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RtMutex mListenerLock;
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RtReference *mBufObjRef;
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RtMediaBufferStatus mStatus;
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RTMediaBufferSite mSite;
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RTBufferListener *mBufferListener;
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RtMetaData *mMetaData;
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std::map<INT32, RtMetaData *> mExtraMetas;
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};
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#endif // SRC_RT_MEDIA_INCLUDE_RTMEDIABUFFER_H_
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