// Client callbacks.
void MediaPlayer::networkStateChanged()
{
// If more than one media engine is installed and this one failed before finding metadata,
// let the next engine try.
if (m_private->networkState() >= FormatError
&& m_private->readyState() < HaveMetadata
&& installedMediaEngines().size() > 1) {
if ( m_contentMIMEType.isEmpty() || bestMediaEngineForTypeAndCodecs(m_contentMIMEType, m_contentTypeCodecs, m_currentMediaEngine)) {
m_reloadTimer.startOneShot(0);
return;
}
}
if (m_mediaPlayerClient)
m_mediaPlayerClient->mediaPlayerNetworkStateChanged(this);
}
MediaPlayer::SupportsType MediaPlayer::supportsType(const ContentType& contentType)
{
String type = contentType.type().lower();
String typeCodecs = contentType.parameter(codecs());
// 4.8.10.3 MIME types - The canPlayType(type) method must return the empty string if type is a type that the
// user agent knows it cannot render or is the type "application/octet-stream"
if (type == applicationOctetStream())
return IsNotSupported;
MediaPlayerFactory* engine = bestMediaEngineForTypeAndCodecs(type, typeCodecs);
if (!engine)
return IsNotSupported;
return engine->supportsTypeAndCodecs(type, typeCodecs);
}
void MediaPlayer::loadWithNextMediaEngine(MediaPlayerFactory* current)
{
MediaPlayerFactory* engine;
// If no MIME type is specified, just use the next engine.
if (m_contentMIMEType.isEmpty())
engine = nextMediaEngine(current);
else
engine = bestMediaEngineForTypeAndCodecs(m_contentMIMEType, m_contentTypeCodecs, current);
// Don't delete and recreate the player unless it comes from a different engine.
if (!engine) {
LOG(Media, "MediaPlayer::loadWithNextMediaEngine - no media engine found for type \"%s\"", m_contentMIMEType.utf8().data());
m_currentMediaEngine = engine;
m_private = nullptr;
} else if (m_currentMediaEngine != engine) {
m_currentMediaEngine = engine;
m_private = engine->constructor(this);
if (m_mediaPlayerClient)
m_mediaPlayerClient->mediaPlayerEngineUpdated(this);
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
m_private->setMediaPlayerProxy(m_playerProxy);
#endif
m_private->setPrivateBrowsingMode(m_privateBrowsing);
m_private->setPreload(m_preload);
m_private->setPreservesPitch(preservesPitch());
if (m_shouldPrepareToRender)
m_private->prepareForRendering();
}
if (m_private)
m_private->load(m_url);
else {
m_private = createNullMediaPlayer(this);
if (m_mediaPlayerClient) {
m_mediaPlayerClient->mediaPlayerEngineUpdated(this);
m_mediaPlayerClient->mediaPlayerResourceNotSupported(this);
}
}
}
