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C++ MediaTime::isPositiveInfinite方法代码示例

本文整理汇总了C++中MediaTime::isPositiveInfinite方法的典型用法代码示例。如果您正苦于以下问题：C++ MediaTime::isPositiveInfinite方法的具体用法？C++ MediaTime::isPositiveInfinite怎么用？C++ MediaTime::isPositiveInfinite使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MediaTime的用法示例。


在下文中一共展示了MediaTime::isPositiveInfinite方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: compare

MediaTime::ComparisonFlags MediaTime::compare(const MediaTime& rhs, bool fuzzy) const
{
    if ((isPositiveInfinite() && rhs.isPositiveInfinite())
        || (isNegativeInfinite() && rhs.isNegativeInfinite())
        || (isInvalid() && rhs.isInvalid())
        || (isIndefinite() && rhs.isIndefinite()))
        return EqualTo;

    if (isInvalid())
        return GreaterThan;

    if (rhs.isInvalid())
        return LessThan;

    if (rhs.isNegativeInfinite() || isPositiveInfinite())
        return GreaterThan;

    if (rhs.isPositiveInfinite() || isNegativeInfinite())
        return LessThan;

    if (isIndefinite())
        return GreaterThan;

    if (rhs.isIndefinite())
        return LessThan;

    if (hasDoubleValue() && rhs.hasDoubleValue()) {
        if (m_timeValueAsDouble == rhs.m_timeValueAsDouble)
            return EqualTo;
        if (fuzzy && fabs(m_timeValueAsDouble - rhs.m_timeValueAsDouble) <= fuzzinessThreshold().toDouble())
            return EqualTo;

        return m_timeValueAsDouble < rhs.m_timeValueAsDouble ? LessThan : GreaterThan;
    }

    MediaTime a = *this;
    MediaTime b = rhs;

    if (a.hasDoubleValue())
        a.setTimeScale(DefaultTimeScale);

    if (b.hasDoubleValue())
        b.setTimeScale(DefaultTimeScale);

    int64_t rhsWhole = b.m_timeValue / b.m_timeScale;
    int64_t lhsWhole = a.m_timeValue / a.m_timeScale;
    if (lhsWhole > rhsWhole)
        return GreaterThan;
    if (lhsWhole < rhsWhole)
        return LessThan;

    int64_t rhsRemain = b.m_timeValue % b.m_timeScale;
    int64_t lhsRemain = a.m_timeValue % a.m_timeScale;
    int64_t lhsFactor = lhsRemain * b.m_timeScale;
    int64_t rhsFactor = rhsRemain * a.m_timeScale;

    if (lhsFactor == rhsFactor)
        return EqualTo;
    return lhsFactor > rhsFactor ? GreaterThan : LessThan;
}
开发者ID:goruklu，项目名称:WebKitForWayland，代码行数:60，代码来源:MediaTime.cpp

示例2: updateDataCue

void InbandDataTextTrack::updateDataCue(InbandTextTrackPrivate*, const MediaTime& start, const MediaTime& inEnd, PassRefPtr<SerializedPlatformRepresentation> prpPlatformValue)
{
    MediaTime end = inEnd;

    RefPtr<SerializedPlatformRepresentation> platformValue = prpPlatformValue;
    auto iter = m_incompleteCueMap.find(platformValue.get());
    if (iter == m_incompleteCueMap.end())
        return;

    RefPtr<DataCue> cue = iter->value;
    if (!cue)
        return;

    cue->willChange();

    if (end.isPositiveInfinite() && mediaElement())
        end = mediaElement()->durationMediaTime();
    else
        m_incompleteCueMap.remove(platformValue.get());

    LOG(Media, "InbandDataTextTrack::updateDataCue: was start=%s, end=%s, will be start=%s, end=%s\n", toString(cue->startTime()).utf8().data(), toString(cue->endTime()).utf8().data(), toString(start).utf8().data(), toString(end).utf8().data());

    cue->setStartTime(start);
    cue->setEndTime(end);

    cue->didChange();
}
开发者ID:Comcast，项目名称:WebKitForWayland，代码行数:27，代码来源:InbandDataTextTrack.cpp

示例3: invalidTime

MediaTime MediaTime::operator-(const MediaTime& rhs) const
{
    if (rhs.isInvalid() || isInvalid())
        return invalidTime();

    if (rhs.isIndefinite() || isIndefinite())
        return indefiniteTime();

    if (isPositiveInfinite() && rhs.isPositiveInfinite())
        return invalidTime();

    if (isNegativeInfinite() && rhs.isNegativeInfinite())
        return invalidTime();

    if (isPositiveInfinite() || rhs.isNegativeInfinite())
        return positiveInfiniteTime();

    if (isNegativeInfinite() || rhs.isPositiveInfinite())
        return negativeInfiniteTime();

    if (hasDoubleValue() && rhs.hasDoubleValue())
        return MediaTime::createWithDouble(m_timeValueAsDouble - rhs.m_timeValueAsDouble);

    MediaTime a = *this;
    MediaTime b = rhs;

    if (a.hasDoubleValue())
        a.setTimeScale(DefaultTimeScale);
    else if (b.hasDoubleValue())
        b.setTimeScale(DefaultTimeScale);

    int32_t commonTimeScale;
    if (!leastCommonMultiple(this->m_timeScale, rhs.m_timeScale, commonTimeScale) || commonTimeScale > MaximumTimeScale)
        commonTimeScale = MaximumTimeScale;
    a.setTimeScale(commonTimeScale);
    b.setTimeScale(commonTimeScale);
    while (!safeSub(a.m_timeValue, b.m_timeValue, a.m_timeValue)) {
        if (commonTimeScale == 1)
            return a.m_timeValue > 0 ? positiveInfiniteTime() : negativeInfiniteTime();
        commonTimeScale /= 2;
        a.setTimeScale(commonTimeScale);
        b.setTimeScale(commonTimeScale);
    }
    return a;
}
开发者ID:goruklu，项目名称:WebKitForWayland，代码行数:45，代码来源:MediaTime.cpp

示例4: abs

MediaTime abs(const MediaTime& rhs)
{
    if (rhs.isInvalid())
        return MediaTime::invalidTime();
    if (rhs.isNegativeInfinite() || rhs.isPositiveInfinite())
        return MediaTime::positiveInfiniteTime();
    MediaTime val = rhs;
    val.m_timeValue *= signum(rhs.m_timeScale) * signum(rhs.m_timeValue);
    return val;
}
开发者ID:ZECTBynmo，项目名称:LabSound，代码行数:10，代码来源:MediaTime.cpp

示例5: compare

MediaTime::ComparisonFlags MediaTime::compare(const MediaTime& rhs) const
{
    if ((isPositiveInfinite() && rhs.isPositiveInfinite())
        || (isNegativeInfinite() && rhs.isNegativeInfinite())
        || (isInvalid() && rhs.isInvalid())
        || (isIndefinite() && rhs.isIndefinite()))
        return EqualTo;

    if (isInvalid())
        return GreaterThan;

    if (rhs.isInvalid())
        return LessThan;

    if (rhs.isNegativeInfinite() || isPositiveInfinite())
        return GreaterThan;

    if (rhs.isPositiveInfinite() || isNegativeInfinite())
        return LessThan;

    if (isIndefinite())
        return GreaterThan;

    if (rhs.isIndefinite())
        return LessThan;

    int64_t rhsWhole = rhs.m_timeValue / rhs.m_timeScale;
    int64_t lhsWhole = m_timeValue / m_timeScale;
    if (lhsWhole > rhsWhole)
        return GreaterThan;
    if (lhsWhole < rhsWhole)
        return LessThan;

    int64_t rhsRemain = rhs.m_timeValue % rhs.m_timeScale;
    int64_t lhsRemain = m_timeValue % m_timeScale;
    int64_t lhsFactor = lhsRemain * rhs.m_timeScale;
    int64_t rhsFactor = rhsRemain * m_timeScale;

    if (lhsFactor == rhsFactor)
        return EqualTo;
    return lhsFactor > rhsFactor ? GreaterThan : LessThan;
}
开发者ID:ZECTBynmo，项目名称:LabSound，代码行数:42，代码来源:MediaTime.cpp

示例6: addDataCue

void InbandMetadataTextTrackPrivateAVF::addDataCue(const MediaTime& start, const MediaTime& end, PassRefPtr<SerializedPlatformRepresentation> prpCueData, const String& type)
{
    ASSERT(cueFormat() == Data);
    if (!client())
        return;

    RefPtr<SerializedPlatformRepresentation> cueData = prpCueData;
    m_currentCueStartTime = start;
    if (end.isPositiveInfinite())
        m_incompleteCues.append(IncompleteMetaDataCue { cueData.get(), start });
    client()->addDataCue(this, start, end, cueData, type);
}
开发者ID:houzhenggang，项目名称:webkit，代码行数:12，代码来源:InbandMetadataTextTrackPrivateAVF.cpp

示例7: addDataCue

void InbandDataTextTrack::addDataCue(InbandTextTrackPrivate*, const MediaTime& start, const MediaTime& end, PassRefPtr<SerializedPlatformRepresentation> prpPlatformValue, const String& type)
{
    RefPtr<SerializedPlatformRepresentation> platformValue = prpPlatformValue;
    if (m_incompleteCueMap.find(platformValue.get()) != m_incompleteCueMap.end())
        return;

    auto cue = DataCue::create(*scriptExecutionContext(), start, end, platformValue.copyRef(), type);
    if (hasCue(cue.ptr(), TextTrackCue::IgnoreDuration)) {
        LOG(Media, "InbandDataTextTrack::addDataCue ignoring already added cue: start=%s, end=%s\n", toString(cue->startTime()).utf8().data(), toString(cue->endTime()).utf8().data());
        return;
    }

    if (end.isPositiveInfinite() && mediaElement()) {
        cue->setEndTime(mediaElement()->durationMediaTime());
        m_incompleteCueMap.add(WTFMove(platformValue), cue.copyRef());
    }

    addCue(WTFMove(cue), ASSERT_NO_EXCEPTION);
}
开发者ID:Comcast，项目名称:WebKitForWayland，代码行数:19，代码来源:InbandDataTextTrack.cpp

示例8: invalidTime

MediaTime MediaTime::operator-(const MediaTime& rhs) const
{
    if (rhs.isInvalid() || isInvalid())
        return invalidTime();

    if (rhs.isIndefinite() || isIndefinite())
        return indefiniteTime();

    if (isPositiveInfinite()) {
        if (rhs.isPositiveInfinite())
            return invalidTime();
        return positiveInfiniteTime();
    }

    if (isNegativeInfinite()) {
        if (rhs.isNegativeInfinite())
            return invalidTime();
        return negativeInfiniteTime();
    }

    int32_t commonTimeScale;
    if (!leastCommonMultiple(this->m_timeScale, rhs.m_timeScale, commonTimeScale) || commonTimeScale > MaximumTimeScale)
        commonTimeScale = MaximumTimeScale;
    MediaTime a = *this;
    MediaTime b = rhs;
    a.setTimeScale(commonTimeScale);
    b.setTimeScale(commonTimeScale);
    while (!safeSub(a.m_timeValue, b.m_timeValue, a.m_timeValue)) {
        if (commonTimeScale == 1)
            return a.m_timeValue > 0 ? positiveInfiniteTime() : negativeInfiniteTime();
        commonTimeScale /= 2;
        a.setTimeScale(commonTimeScale);
        b.setTimeScale(commonTimeScale);
    }
    return a;
}
开发者ID:ZECTBynmo，项目名称:LabSound，代码行数:36，代码来源:MediaTime.cpp


注：本文中的MediaTime::isPositiveInfinite方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。