MediaPlayer::SupportsType MediaPlayer::supportsType(const MediaEngineSupportParameters& parameters, const MediaPlayerSupportsTypeClient* client) { // 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 (parameters.type == applicationOctetStream()) return IsNotSupported; MediaPlayerFactory* engine = bestMediaEngineForSupportParameters(parameters); if (!engine) return IsNotSupported; #if PLATFORM(COCOA) // YouTube will ask if the HTMLMediaElement canPlayType video/webm, then // video/x-flv, then finally video/mp4, and will then load a URL of the first type // in that list which returns "probably". When Perian is installed, // MediaPlayerPrivateQTKit claims to support both video/webm and video/x-flv, but // due to a bug in Perian, loading media in these formats will sometimes fail on // slow connections. <https://bugs.webkit.org/show_bug.cgi?id=86409> if (client && client->mediaPlayerNeedsSiteSpecificHacks()) { String host = client->mediaPlayerDocumentHost(); if ((host.endsWith(".youtube.com", false) || equalIgnoringCase("youtube.com", host)) && (parameters.type.startsWith("video/webm", false) || parameters.type.startsWith("video/x-flv", false))) return IsNotSupported; } #else UNUSED_PARAM(client); #endif return engine->supportsTypeAndCodecs(parameters); }
MediaPlayer::SupportsType MediaPlayer::supportsType(ContentType contentType) { String type = contentType.type(); String codecs = contentType.parameter("codecs"); MediaPlayerFactory* engine = chooseBestEngineForTypeAndCodecs(type, codecs); if (!engine) return IsNotSupported; return engine->supportsTypeAndCodecs(type, codecs); }
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); }