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71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
//
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// Notice Regarding Standards. AMD does not provide a license or sublicense to
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// any Intellectual Property Rights relating to any standards, including but not
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// limited to any audio and/or video codec technologies such as MPEG-2, MPEG-4;
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// AVC/H.264; HEVC/H.265; AAC decode/FFMPEG; AAC encode/FFMPEG; VC-1; and MP3
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// (collectively, the "Media Technologies"). For clarity, you will pay any
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// royalties due for such third party technologies, which may include the Media
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// Technologies that are owed as a result of AMD providing the Software to you.
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//
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// MIT license
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//
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//
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// Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#include "CurrentTimeImpl.h"
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namespace amf
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{
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//-------------------------------------------------------------------------------------------------
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AMFCurrentTimeImpl::AMFCurrentTimeImpl()
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: m_timeOfFirstCall(-1)
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{
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}
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//-------------------------------------------------------------------------------------------------
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AMFCurrentTimeImpl::~AMFCurrentTimeImpl()
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{
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m_timeOfFirstCall = -1;
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}
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//-------------------------------------------------------------------------------------------------
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amf_pts AMF_STD_CALL AMFCurrentTimeImpl::Get()
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{
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amf::AMFLock lock(&m_sync);
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// We want pts time to start at 0 and subsequent
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// times to be relative to that
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if (m_timeOfFirstCall < 0)
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{
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m_timeOfFirstCall = amf_high_precision_clock();
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return 0;
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}
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return (amf_high_precision_clock() - m_timeOfFirstCall); // In nanoseconds
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}
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//-------------------------------------------------------------------------------------------------
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void AMF_STD_CALL AMFCurrentTimeImpl::Reset()
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{
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m_timeOfFirstCall = -1;
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}
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} |