void MediaDecoder::RemoveMediaTracks() { MOZ_ASSERT(NS_IsMainThread()); if (mShuttingDown) { return; } HTMLMediaElement* element = mOwner->GetMediaElement(); if (!element) { return; } AudioTrackList* audioList = element->AudioTracks(); if (audioList) { audioList->RemoveTracks(); } VideoTrackList* videoList = element->VideoTracks(); if (videoList) { videoList->RemoveTracks(); } mMediaTracksConstructed = false; }
void MediaDecoder::ConstructMediaTracks() { MOZ_ASSERT(NS_IsMainThread()); if (mShuttingDown || mMediaTracksConstructed || !mInfo) { return; } HTMLMediaElement* element = mOwner->GetMediaElement(); if (!element) { return; } mMediaTracksConstructed = true; AudioTrackList* audioList = element->AudioTracks(); if (audioList && mInfo->HasAudio()) { const TrackInfo& info = mInfo->mAudio; RefPtr<AudioTrack> track = MediaTrackList::CreateAudioTrack( info.mId, info.mKind, info.mLabel, info.mLanguage, info.mEnabled); audioList->AddTrack(track); } VideoTrackList* videoList = element->VideoTracks(); if (videoList && mInfo->HasVideo()) { const TrackInfo& info = mInfo->mVideo; RefPtr<VideoTrack> track = MediaTrackList::CreateVideoTrack( info.mId, info.mKind, info.mLabel, info.mLanguage); videoList->AddTrack(track); track->SetEnabledInternal(info.mEnabled, MediaTrack::FIRE_NO_EVENTS); } }