C++ (Cpp) HTMLMediaElement::AudioTracks Exemples

Exemple #1

Fichier : MediaDecoder.cpp Projet : shogunSnyder/gecko-dev

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;
}

Exemple #2

Fichier : MediaDecoder.cpp Projet : shogunSnyder/gecko-dev

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);
  }
}