コード例 #1
0
void MediaPlayerPrivateAVFoundation::setPreload(MediaPlayer::Preload preload)
{
    m_preload = preload;
    if (!m_assetURL.length())
        return;

    setDelayCallbacks(true);

    if (m_preload >= MediaPlayer::MetaData && assetStatus() == MediaPlayerAVAssetStatusDoesNotExist) {
        createAVAssetForURL(m_assetURL);
        createAVPlayer();
        checkPlayability();
    }

    // Don't force creation of the player item unless we already know that the asset is playable. If we aren't
    // there yet, or if we already know it is not playable, creating it now won't help.
    if (m_preload == MediaPlayer::Auto && m_assetIsPlayable)
        createAVPlayerItem();

    setDelayCallbacks(false);
}
コード例 #2
0
void MediaPlayerPrivateAVFoundation::setPreload(MediaPlayer::Preload preload)
{
    m_preload = preload;
    if (!m_assetURL.length())
        return;

    setDelayCallbacks(true);

    if (m_preload >= MediaPlayer::MetaData && assetStatus() == MediaPlayerAVAssetStatusDoesNotExist) {
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
        Frame* frame = m_player->frameView() ? m_player->frameView()->frame() : 0;
        ApplicationCacheHost* cacheHost = frame ? frame->loader()->documentLoader()->applicationCacheHost() : 0;
        ApplicationCacheResource* resource;
        if (cacheHost && cacheHost->shouldLoadResourceFromApplicationCache(ResourceRequest(m_assetURL), resource) && resource) {
            // AVFoundation can't open arbitrary data pointers, so if this ApplicationCacheResource doesn't 
            // have a valid local path, just open the resource's original URL.
            if (resource->path().isEmpty())
                createAVAssetForURL(resource->url());
            else
                createAVAssetForCacheResource(resource);
        } else
#endif    
            createAVAssetForURL(m_assetURL);

        createAVPlayer();

        checkPlayability();
    }

    // Don't force creation of the player item unless we already know that the asset is playable. If we aren't
    // there yet, or if we already know it is not playable, creating it now won't help.
    if (m_preload == MediaPlayer::Auto && m_assetIsPlayable)
        createAVPlayerItem();

    setDelayCallbacks(false);
}