| /* |
| * Copyright (C) 2013-2015 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "MediaTimeAVFoundation.h" |
| |
| #if USE(AVFOUNDATION) |
| |
| #include "CoreMediaSoftLink.h" |
| |
| namespace PAL { |
| |
| static bool CMTimeHasFlags(const CMTime& cmTime, uint32_t flags) |
| { |
| return (cmTime.flags & flags) == flags; |
| } |
| |
| MediaTime toMediaTime(const CMTime& cmTime) |
| { |
| uint32_t flags = 0; |
| if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid)) |
| flags |= MediaTime::Valid; |
| if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid | kCMTimeFlags_HasBeenRounded)) |
| flags |= MediaTime::HasBeenRounded; |
| if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid | kCMTimeFlags_PositiveInfinity)) |
| flags |= MediaTime::PositiveInfinite; |
| if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid | kCMTimeFlags_NegativeInfinity)) |
| flags |= MediaTime::NegativeInfinite; |
| if (CMTimeHasFlags(cmTime, kCMTimeFlags_Valid | kCMTimeFlags_Indefinite)) |
| flags |= MediaTime::Indefinite; |
| |
| return MediaTime(cmTime.value, cmTime.timescale, flags); |
| } |
| |
| CMTime toCMTime(const MediaTime& mediaTime) |
| { |
| CMTime time; |
| |
| if (mediaTime.hasDoubleValue()) |
| time = CMTimeMakeWithSeconds(mediaTime.toDouble(), mediaTime.timeScale()); |
| else |
| time = CMTimeMake(mediaTime.timeValue(), mediaTime.timeScale()); |
| |
| if (mediaTime.isValid()) |
| time.flags |= kCMTimeFlags_Valid; |
| if (mediaTime.hasBeenRounded()) |
| time.flags |= kCMTimeFlags_HasBeenRounded; |
| if (mediaTime.isPositiveInfinite()) |
| time.flags |= kCMTimeFlags_PositiveInfinity; |
| if (mediaTime.isNegativeInfinite()) |
| time.flags |= kCMTimeFlags_NegativeInfinity; |
| |
| return time; |
| } |
| |
| } |
| |
| #endif |