JavaFxMediaPlayer.java
- /*
- * *********************************************************************************************************************
- *
- * blueMarine II: Semantic Media Centre
- * http://tidalwave.it/projects/bluemarine2
- *
- * Copyright (C) 2015 - 2021 by Tidalwave s.a.s. (http://tidalwave.it)
- *
- * *********************************************************************************************************************
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
- * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- *
- * *********************************************************************************************************************
- *
- * git clone https://bitbucket.org/tidalwave/bluemarine2-src
- * git clone https://github.com/tidalwave-it/bluemarine2-src
- *
- * *********************************************************************************************************************
- */
- package it.tidalwave.bluemarine2.ui.audio.renderer.impl.javafx;
- import javax.annotation.Nullable;
- import javax.annotation.Nonnull;
- import javax.inject.Inject;
- import java.time.Duration;
- import java.nio.file.Path;
- import javafx.beans.value.ObservableValue;
- import javafx.scene.media.Media;
- import it.tidalwave.bluemarine2.model.MediaFileSystem;
- import it.tidalwave.bluemarine2.model.MediaItem;
- import it.tidalwave.bluemarine2.ui.audio.renderer.spi.MediaPlayerSupport;
- import lombok.extern.slf4j.Slf4j;
- /***********************************************************************************************************************
- *
- * @author Fabrizio Giudici
- *
- **********************************************************************************************************************/
- @Slf4j
- public class JavaFxMediaPlayer extends MediaPlayerSupport
- {
- private static final javafx.util.Duration SKIP_DURATION = javafx.util.Duration.seconds(1);
- @Nullable
- private Media media;
- @Nullable
- private javafx.scene.media.MediaPlayer mediaPlayer;
- @Inject
- private MediaFileSystem fileSystem;
- /*******************************************************************************************************************
- *
- *
- *
- ******************************************************************************************************************/
- private final Runnable cleanup = () ->
- {
- log.debug(">>>> media reproduction finished");
- // FIXME: remove listener from currentTimeProperty
- mediaPlayer = null;
- statusProperty.setValue(Status.STOPPED);
- };
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override
- public void setMediaItem (@Nonnull final MediaItem mediaItem)
- throws Exception
- {
- log.info("setMediaItem({})", mediaItem);
- checkNotPlaying();
- this.mediaItem = mediaItem;
- final Path path = fileSystem.getRootPath().resolve(mediaItem.getPath()).toAbsolutePath();
- log.debug("path: {}", path);
- log.debug("metadata: {}", mediaItem.getMetadata());
- media = new Media(path.toUri().toString());
- statusProperty.set(Status.STOPPED);
- playTimeProperty.set(Duration.ZERO);
- }
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override
- public synchronized void play()
- throws Exception
- {
- log.info("play()");
- checkNotPlaying();
- if ((mediaPlayer != null) && mediaPlayer.getStatus().equals(javafx.scene.media.MediaPlayer.Status.PAUSED))
- {
- mediaPlayer.play();
- }
- else
- {
- if (mediaPlayer != null)
- {
- mediaPlayer.dispose();
- }
- mediaPlayer = new javafx.scene.media.MediaPlayer(media);
- // FIXME: bidirectional bind to an expression?
- mediaPlayer.currentTimeProperty().addListener(
- (ObservableValue<? extends javafx.util.Duration> observable,
- javafx.util.Duration oldValue,
- javafx.util.Duration newValue) ->
- playTimeProperty.setValue(Duration.ofMillis((long)newValue.toMillis())));
- mediaPlayer.play();
- mediaPlayer.setOnEndOfMedia(cleanup);
- mediaPlayer.setOnError(cleanup);
- mediaPlayer.setOnHalted(cleanup);
- }
- statusProperty.setValue(Status.PLAYING);
- }
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override
- public void stop()
- {
- log.info("stop()");
- if (mediaPlayer != null)
- {
- mediaPlayer.stop();
- statusProperty.setValue(Status.STOPPED);
- }
- }
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override
- public void pause()
- {
- log.info("pause()");
- if (mediaPlayer != null)
- {
- mediaPlayer.pause();
- statusProperty.setValue(Status.PAUSED);
- }
- }
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override
- public void rewind()
- {
- log.info("rewind()");
- if (mediaPlayer != null)
- {
- mediaPlayer.seek(mediaPlayer.getCurrentTime().subtract(SKIP_DURATION));
- }
- }
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override
- public void fastForward()
- {
- log.info("fastForward()");
- if (mediaPlayer != null)
- {
- mediaPlayer.seek(mediaPlayer.getCurrentTime().add(SKIP_DURATION));
- }
- }
- /*******************************************************************************************************************
- *
- *
- *
- ******************************************************************************************************************/
- private void checkNotPlaying()
- throws Exception
- {
- if ((mediaPlayer != null) && mediaPlayer.getStatus().equals(javafx.scene.media.MediaPlayer.Status.PLAYING))
- {
- throw new Exception("Already playing");
- }
- }
- }