81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
/*
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* Copyright (C) 2013-2015 Apple Inc. 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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* 1. 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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* 2. 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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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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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#include "config.h"
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#include "MediaTimeAVFoundation.h"
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#if USE(AVFOUNDATION)
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#include "CoreMediaSoftLink.h"
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namespace PAL {
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static bool CMTimeHasFlags(const CMTime& cmTime, uint32_t flags)
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{
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return (cmTime.flags & flags) == flags;
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}
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MediaTime toMediaTime(const CMTime& cmTime)
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{
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uint32_t flags = 0;
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if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid))
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flags |= MediaTime::Valid;
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if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid | kCMTimeFlags_HasBeenRounded))
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flags |= MediaTime::HasBeenRounded;
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if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid | kCMTimeFlags_PositiveInfinity))
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flags |= MediaTime::PositiveInfinite;
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if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid | kCMTimeFlags_NegativeInfinity))
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flags |= MediaTime::NegativeInfinite;
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if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid | kCMTimeFlags_Indefinite))
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flags |= MediaTime::Indefinite;
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return MediaTime(cmTime.value, cmTime.timescale, flags);
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}
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CMTime toCMTime(const MediaTime& mediaTime)
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{
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CMTime time;
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if (mediaTime.hasDoubleValue())
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time = CMTimeMakeWithSeconds(mediaTime.toDouble(), mediaTime.timeScale());
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else
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time = CMTimeMake(mediaTime.timeValue(), mediaTime.timeScale());
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if (mediaTime.isValid())
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time.flags |= kCMTimeFlags_Valid;
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if (mediaTime.hasBeenRounded())
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time.flags |= kCMTimeFlags_HasBeenRounded;
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if (mediaTime.isPositiveInfinite())
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time.flags |= kCMTimeFlags_PositiveInfinity;
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if (mediaTime.isNegativeInfinite())
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time.flags |= kCMTimeFlags_NegativeInfinity;
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return time;
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}
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}
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#endif
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