84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
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/*
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* Copyright (c) 2016, NVIDIA CORPORATION. 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
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* are 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 copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION 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 BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _EGLSTREAM_FRAME_H
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#define _EGLSTREAM_FRAME_H
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namespace EGLStream
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{
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class Image;
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/**
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* Frame objects are acquired and returned by a FrameConsumer, and correspond
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* to frames that have been written to the stream. Frames contain metadata
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* corresponsing to the stream frame as well as the Image data of the frame.
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* Destroying a Frame will return its image buffers back to the stream for reuse.
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*/
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class Frame : public Argus::InterfaceProvider, public Argus::Destructable
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{
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protected:
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~Frame() {}
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};
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/**
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* @class IFrame
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*
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* Interface that provides core access to a Frame.
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*/
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DEFINE_UUID(Argus::InterfaceID, IID_FRAME, 546F4520,87EF,11E5,A837,08,00,20,0C,9A,66);
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class IFrame : public Argus::Interface
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{
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public:
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static const Argus::InterfaceID& id() { return IID_FRAME; }
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/**
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* Returns the frame number.
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*/
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virtual uint64_t getNumber() const = 0;
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/**
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* Returns the timestamp of the frame, in nanoseconds.
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*/
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virtual uint64_t getTime() const = 0;
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/**
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* Returns the Image contained in the Frame. The returned Image object is
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* owned by the Frame and is valid as long as the Frame is valid. (that is, while
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* the Frame is acquired).
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*/
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virtual Image* getImage() = 0;
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protected:
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~IFrame() {}
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};
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} // namespace EGLStream
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#endif // _EGLSTREAM_FRAME_H
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