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104 lines
3.5 KiB
104 lines
3.5 KiB
4 months ago
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/*
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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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