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103 lines
3.5 KiB
103 lines
3.5 KiB
/* |
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* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* * Neither the name of The Linux Foundation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef OVERLAY_GENERIC_PIPE_H |
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#define OVERLAY_GENERIC_PIPE_H |
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#include "overlayUtils.h" |
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#include "overlayRotator.h" |
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#include "overlayCtrlData.h" |
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namespace overlay { |
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class GenericPipe : utils::NoCopy { |
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public: |
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/* ctor */ |
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explicit GenericPipe(int dpy); |
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/* dtor */ |
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~GenericPipe(); |
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bool init(); |
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bool close(); |
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/* Control APIs */ |
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/* set source using whf, orient and wait flag */ |
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void setSource(const utils::PipeArgs& args); |
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/* set crop a.k.a the region of interest */ |
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void setCrop(const utils::Dim& d); |
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/* set orientation*/ |
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void setTransform(const utils::eTransform& param); |
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/* set mdp posision using dim */ |
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void setPosition(const utils::Dim& dim); |
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/* set visual param */ |
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bool setVisualParams(const MetaData_t &metadata); |
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/* commit changes to the overlay "set"*/ |
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bool commit(); |
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/* Data APIs */ |
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/* queue buffer to the overlay */ |
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bool queueBuffer(int fd, uint32_t offset); |
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/* return cached startup args */ |
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const utils::PipeArgs& getArgs() const; |
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/* retrieve cached crop data */ |
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utils::Dim getCrop() const; |
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/* is closed */ |
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bool isClosed() const; |
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/* is open */ |
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bool isOpen() const; |
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/* return Ctrl fd. Used for S3D */ |
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int getCtrlFd() const; |
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/* dump the state of the object */ |
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void dump() const; |
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/* Return the dump in the specified buffer */ |
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void getDump(char *buf, size_t len); |
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private: |
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/* set Closed pipe */ |
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bool setClosed(); |
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int mFbNum; |
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/* Ctrl/Data aggregator */ |
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CtrlData mCtrlData; |
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Rotator* mRot; |
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//Whether rotator is used for 0-rot or otherwise |
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bool mRotUsed; |
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//Whether we will do downscale opt. This is just a request. If the frame is |
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//not a candidate, we might not do it. |
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bool mRotDownscaleOpt; |
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//Whether the source is prerotated. |
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bool mPreRotated; |
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/* Pipe open or closed */ |
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enum ePipeState { |
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CLOSED, |
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OPEN |
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}; |
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ePipeState pipeState; |
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}; |
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} //namespace overlay |
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#endif // OVERLAY_GENERIC_PIPE_H
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