void UMediaTexture::InitializeTrack()
{
// assign new media player asset
if (CurrentMediaPlayer != MediaPlayer)
{
if (CurrentMediaPlayer != nullptr)
{
CurrentMediaPlayer->OnMediaChanged().RemoveAll(this);
}
CurrentMediaPlayer = MediaPlayer;
if (MediaPlayer != nullptr)
{
MediaPlayer->OnMediaChanged().AddUObject(this, &UMediaTexture::HandleMediaPlayerMediaChanged);
}
}
// disconnect from current track
if (VideoTrack.IsValid())
{
VideoTrack->RemoveSink(VideoBuffer);
VideoTrack.Reset();
}
// initialize from new track
if (MediaPlayer != nullptr)
{
IMediaPlayerPtr Player = MediaPlayer->GetPlayer();
if (Player.IsValid())
{
VideoTrack = Player->GetTrack(VideoTrackIndex, EMediaTrackTypes::Video);
if (!VideoTrack.IsValid())
{
VideoTrack = Player->GetFirstTrack(EMediaTrackTypes::Video);
if (VideoTrack.IsValid())
{
VideoTrackIndex = VideoTrack->GetIndex();
}
}
}
}
if (VideoTrack.IsValid())
{
CachedDimensions = VideoTrack->GetVideoDetails().GetDimensions();
}
else
{
CachedDimensions = FIntPoint(ForceInit);
}
UpdateResource();
// connect to new track
if (VideoTrack.IsValid())
{
VideoTrack->AddSink(VideoBuffer);
}
}
void UMediaSoundWave::InitializeTrack()
{
// assign new media player asset
if (CurrentMediaPlayer != MediaPlayer)
{
if (CurrentMediaPlayer != nullptr)
{
CurrentMediaPlayer->OnMediaChanged().RemoveAll(this);
}
CurrentMediaPlayer = MediaPlayer;
if (MediaPlayer != nullptr)
{
MediaPlayer->OnMediaChanged().AddUObject(this, &UMediaSoundWave::HandleMediaPlayerMediaChanged);
}
}
// disconnect from current track
if (AudioTrack.IsValid())
{
AudioTrack->RemoveSink(AudioQueue);
}
AudioTrack.Reset();
// initialize from new track
if (MediaPlayer != nullptr)
{
IMediaPlayerPtr Player = MediaPlayer->GetPlayer();
if (Player .IsValid())
{
AudioTrack = Player ->GetTrack(AudioTrackIndex, EMediaTrackTypes::Audio);
if (!AudioTrack.IsValid())
{
AudioTrack = Player->GetFirstTrack(EMediaTrackTypes::Audio);
if (AudioTrack.IsValid())
{
AudioTrackIndex = AudioTrack->GetIndex();
}
}
}
}
if (AudioTrack.IsValid())
{
NumChannels = AudioTrack->GetAudioDetails().GetNumChannels();
SampleRate = AudioTrack->GetAudioDetails().GetSamplesPerSecond();
}
else
{
NumChannels = 0;
SampleRate = 0;
}
// connect to new track
if (AudioTrack.IsValid())
{
AudioTrack->AddSink(AudioQueue);
}
}
