ChangeLog

2014-01-10  Jer Noble  <jer.noble@apple.com>

        Crash in WebCore::MediaSourcePrivateAVFObjC::hasAudio const + 13

        https://bugs.webkit.org/show_bug.cgi?id=126768

        Reviewed by NOBODY (OOPS!).

        Null-check m_mediaSourcePrivate before calling.

        * platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaSourceAVFObjC.mm:

        (WebCore::MediaPlayerPrivateMediaSourceAVFObjC::hasVideo):

        (WebCore::MediaPlayerPrivateMediaSourceAVFObjC::hasAudio):

        (WebCore::MediaPlayerPrivateMediaSourceAVFObjC::seekInternal):

2014-01-07  Jer Noble  <jer.noble@apple.com>

        PlatformLayer containing scrollbars does not disappear when setting overflow:hidden on page root, until resize.

Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaSourceAVFObjC.mm

@@IntSize MediaPlayerPrivateMediaSourceAVFObjC::naturalSize() const

bool MediaPlayerPrivateMediaSourceAVFObjC::hasVideo() const

{

    if (!m_mediaSourcePrivate)

        return false;

    return m_mediaSourcePrivate->hasVideo();

}

bool MediaPlayerPrivateMediaSourceAVFObjC::hasAudio() const

{

    if (!m_mediaSourcePrivate)

        return false;

    return m_mediaSourcePrivate->hasAudio();

}

@@void MediaPlayerPrivateMediaSourceAVFObjC::seekWithTolerance(double time, double

void MediaPlayerPrivateMediaSourceAVFObjC::seekInternal(double time, double negativeThreshold, double positiveThreshold)

{

353 MediaTime seekTime = m_mediaSourcePrivate->seekToTime(MediaTime::createWithDouble(time), MediaTime::createWithDouble(positiveThreshold), MediaTime::createWithDouble(negativeThreshold));

359 MediaTime seekTime = m_mediaSourcePrivate ? m_mediaSourcePrivate->seekToTime(MediaTime::createWithDouble(time), MediaTime::createWithDouble(positiveThreshold), MediaTime::createWithDouble(negativeThreshold)) : MediaTime::zeroTime();

    [m_synchronizer setRate:(m_playing ? m_rate : 0) time:toCMTime(seekTime)];

}