MediaPlayerPrivateAVFoundation::MediaRenderingMode MediaPlayerPrivateAVFoundation::preferredRenderingMode() const
{
if (!m_player->visible() || assetStatus() == MediaPlayerAVAssetStatusUnknown)
return MediaRenderingNone;
if (supportsAcceleratedRendering() && m_player->client().mediaPlayerRenderingCanBeAccelerated(m_player))
return MediaRenderingToLayer;
return MediaRenderingToContext;
}
MediaPlayer::MovieLoadType MediaPlayerPrivateAVFoundation::movieLoadType() const
{
if (!metaDataAvailable() || assetStatus() == MediaPlayerAVAssetStatusUnknown)
return MediaPlayer::Unknown;
if (isLiveStream())
return MediaPlayer::LiveStream;
return MediaPlayer::Download;
}
MediaPlayerPrivateAVFoundation::MediaRenderingMode MediaPlayerPrivateAVFoundation::preferredRenderingMode() const
{
if (!m_player->visible() || !m_player->frameView() || assetStatus() == MediaPlayerAVAssetStatusUnknown)
return MediaRenderingNone;
#if USE(ACCELERATED_COMPOSITING)
if (supportsAcceleratedRendering() && m_player->mediaPlayerClient()->mediaPlayerRenderingCanBeAccelerated(m_player))
return MediaRenderingToLayer;
#endif
return MediaRenderingToContext;
}
void MediaPlayerPrivateAVFoundation::playabilityKnown()
{
LOG(Media, "MediaPlayerPrivateAVFoundation::playabilityKnown(%p)", this);
if (m_assetIsPlayable)
return;
// Nothing more to do if we already have all of the item's metadata.
if (assetStatus() > MediaPlayerAVAssetStatusLoading) {
LOG(Media, "MediaPlayerPrivateAVFoundation::playabilityKnown(%p) - all metadata loaded", this);
return;
}
// At this point we are supposed to load metadata. It is OK to ask the asset to load the same
// information multiple times, because if it has already been loaded the completion handler
// will just be called synchronously.
m_loadingMetadata = true;
beginLoadingMetadata();
}
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);
}
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);
}
void MediaPlayerPrivateAVFoundation::updateStates()
{
MediaPlayer::NetworkState oldNetworkState = m_networkState;
MediaPlayer::ReadyState oldReadyState = m_readyState;
LOG(Media, "MediaPlayerPrivateAVFoundation::updateStates(%p) - entering with networkState = %i, readyState = %i",
this, static_cast<int>(m_networkState), static_cast<int>(m_readyState));
if (m_loadingMetadata)
m_networkState = MediaPlayer::Loading;
else {
// -loadValuesAsynchronouslyForKeys:completionHandler: has invoked its handler; test status of keys and determine state.
AVAssetStatus avAssetStatus = assetStatus();
ItemStatus itemStatus = playerItemStatus();
m_assetIsPlayable = (avAssetStatus == MediaPlayerAVAssetStatusPlayable);
if (m_readyState < MediaPlayer::HaveMetadata && avAssetStatus > MediaPlayerAVAssetStatusLoading) {
if (m_assetIsPlayable) {
if (itemStatus == MediaPlayerAVPlayerItemStatusUnknown) {
if (avAssetStatus == MediaPlayerAVAssetStatusFailed || m_preload > MediaPlayer::MetaData) {
// We may have a playable asset that doesn't support inspection prior to playback; go ahead
// and create the AVPlayerItem now. When the AVPlayerItem becomes ready to play, we will
// have access to its metadata. Or we may have been asked to become ready to play immediately.
m_networkState = MediaPlayer::Loading;
prepareToPlay();
} else
m_networkState = MediaPlayer::Idle;
}
if (avAssetStatus == MediaPlayerAVAssetStatusLoaded)
m_readyState = MediaPlayer::HaveMetadata;
} else {
// FIX ME: fetch the error associated with the @"playable" key to distinguish between format
// and network errors.
m_networkState = MediaPlayer::FormatError;
}
}
if (avAssetStatus >= MediaPlayerAVAssetStatusLoaded && itemStatus > MediaPlayerAVPlayerItemStatusUnknown) {
if (seeking())
m_readyState = m_readyState >= MediaPlayer::HaveMetadata ? MediaPlayer::HaveMetadata : MediaPlayer::HaveNothing;
else {
float maxLoaded = maxTimeLoaded();
switch (itemStatus) {
case MediaPlayerAVPlayerItemStatusUnknown:
break;
case MediaPlayerAVPlayerItemStatusFailed:
m_networkState = MediaPlayer::DecodeError;
break;
case MediaPlayerAVPlayerItemStatusPlaybackLikelyToKeepUp:
m_readyState = MediaPlayer::HaveEnoughData;
break;
case MediaPlayerAVPlayerItemStatusReadyToPlay:
case MediaPlayerAVPlayerItemStatusPlaybackBufferEmpty:
case MediaPlayerAVPlayerItemStatusPlaybackBufferFull:
if (maxLoaded > currentTime())
m_readyState = MediaPlayer::HaveFutureData;
else
m_readyState = MediaPlayer::HaveCurrentData;
break;
}
if (itemStatus >= MediaPlayerAVPlayerItemStatusReadyToPlay)
m_networkState = (maxLoaded == duration()) ? MediaPlayer::Loaded : MediaPlayer::Loading;
}
}
}
if (isReadyForVideoSetup() && currentRenderingMode() != preferredRenderingMode())
setUpVideoRendering();
if (m_networkState != oldNetworkState)
m_player->networkStateChanged();
if (m_readyState != oldReadyState)
m_player->readyStateChanged();
LOG(Media, "MediaPlayerPrivateAVFoundation::updateStates(%p) - exiting with networkState = %i, readyState = %i",
this, static_cast<int>(m_networkState), static_cast<int>(m_readyState));
}
