2023年5月24日16:13:58 视频转码

src/main/java/com/zhangmeng/tools/controller/VideoTranscoderController.java

@@ -5,6 +5,8 @@ import com.zhangmeng.tools.utils.ImagePath;
 import javafx.application.Platform;
 import javafx.beans.property.SimpleIntegerProperty;
 import javafx.beans.property.SimpleObjectProperty;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
 import javafx.concurrent.Task;
 import javafx.fxml.FXML;
 import javafx.scene.control.Button;
@@ -12,21 +14,27 @@ import javafx.scene.control.ProgressBar;
 import javafx.scene.control.TextField;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
+import javafx.scene.layout.AnchorPane;
+import javafx.scene.layout.StackPane;
 import javafx.scene.media.Media;
 import javafx.scene.media.MediaPlayer;
+import javafx.scene.media.MediaView;
 import javafx.stage.DirectoryChooser;
 import javafx.stage.FileChooser;
 import javafx.stage.Stage;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.io.FilenameUtils;
 import org.bytedeco.ffmpeg.global.avcodec;
+import org.bytedeco.ffmpeg.global.avutil;
 import org.bytedeco.javacv.*;
 
 import java.io.File;
 import java.io.IOException;
+import java.net.URL;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-import static org.bytedeco.ffmpeg.global.avcodec.AV_CODEC_ID_MPEG4;
+import static org.bytedeco.ffmpeg.global.avcodec.*;
 
 /**
  * @author : 芊芊墨客
@@ -60,15 +68,32 @@ public class VideoTranscoderController {
     public SimpleObjectProperty<File> in_file = new SimpleObjectProperty<>();
     public SimpleObjectProperty<File> out_file = new SimpleObjectProperty<>();
 
+    @FXML
+    public MediaView mv;
+
+    @FXML
+    public AnchorPane mv_root;
+
     @FXML
     public void initialize() {
+
+        // 绑定MediaView的宽度和高度到父容器的宽度和高度
+        this.mv.setPreserveRatio(false);
+        this.mv.fitHeightProperty().addListener(new ChangeListener<Number>() {
+            @Override
+            public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
+                System.out.println("fitHeightProperty:" + newValue.doubleValue());
+            }
+        });
+
         init_but(input_file_button);
         init_but(output_file_button);
         init_choose_dir_manager();
         init_choose_file_manager();
 
         this.start_button.setOnAction(event -> {
-
+            this.mv.setFitWidth(mv_root.getWidth());
+            this.mv.setFitHeight(mv_root.getHeight());
             if (input_file.getText().length() == 0){
                 AlertUtils.alert_warning("请选择转码文件!");
                 return;
@@ -149,13 +174,27 @@ public class VideoTranscoderController {
         protected Void call() throws Exception {
             try {
                 FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(in_file.get());
-                grabber.setVideoCodec(AV_CODEC_ID_MPEG4);
                 grabber.start();
 
                 FFmpegFrameRecorder recorder = new FFmpegFrameRecorder(out_file.get(), grabber.getImageWidth(), grabber.getImageHeight(), grabber.getAudioChannels());
-                recorder.setFormat("avi");
+                String extension = FilenameUtils.getExtension(out_file.get().getName());
-                recorder.setVideoCodec(avcodec.AV_CODEC_ID_MPEG4);
+                recorder.setFormat(extension);
+                recorder.setVideoCodec(grabber.getVideoCodec());
+                recorder.setVideoBitrate(grabber.getVideoBitrate());
+                recorder.setAudioCodec(grabber.getAudioCodec());
+                recorder.setAudioBitrate(grabber.getAudioCodec());
                 recorder.setFrameRate(grabber.getFrameRate());
+
+                if (extension.equals("mp4")){
+                    recorder.setVideoCodec(AV_CODEC_ID_MPEG4);
+                }
+                if (extension.equals("avi")){
+                    recorder.setVideoCodec(AV_CODEC_ID_HUFFYUV);
+                }
+                if (extension.equals("flv")){
+                    recorder.setVideoCodec(AV_CODEC_ID_FLV1);
+                }
+
                 recorder.start();
 
                 int totalFrames = grabber.getLengthInFrames();
@@ -170,7 +209,10 @@ public class VideoTranscoderController {
                 }
 
                 grabber.stop();
+                grabber.release();
                 recorder.stop();
+                recorder.release();
+
             } catch (FrameGrabber.Exception | FrameRecorder.Exception e) {
                 e.printStackTrace();
             }
@@ -181,6 +223,15 @@ public class VideoTranscoderController {
         protected void succeeded() {
             progressbar.setProgress(1);
             AlertUtils.alert_msg("转码完成!");
+            try {
+                Media media = new Media(out_file.get().toURI().toASCIIString());
+                MediaPlayer mediaPlayer = new MediaPlayer(media);
+                mediaPlayer.setAutoPlay(true);
+                mediaPlayer.setOnEndOfMedia(mediaPlayer::dispose);
+                mv.setMediaPlayer(mediaPlayer);
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
         }
 
         @Override

src/main/resources/fxml/video-transcoder.fxml

@@ -7,7 +7,7 @@
 <?import javafx.scene.layout.AnchorPane?>
 <?import javafx.scene.media.MediaView?>
 
-
+<?import javafx.scene.layout.StackPane?>
 <AnchorPane prefHeight="649.0" prefWidth="1200.0" xmlns="http://javafx.com/javafx/19" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.zhangmeng.tools.controller.VideoTranscoderController">
    <children>
       <Label layoutX="89.0" layoutY="47.0" text="请选择将要转码的视频文件:" />
@@ -18,8 +18,12 @@
       <TextField fx:id="output_file_name" layoutX="871.0" layoutY="93.0" />
       <Button fx:id="output_file_button" layoutX="264.0" layoutY="93.0" mnemonicParsing="false" text="Button" />
       <Button fx:id="input_file_button" layoutX="264.0" layoutY="43.0" mnemonicParsing="false" text="Button" />
-      <Button fx:id="start_button" layoutX="496.0" layoutY="477.0" mnemonicParsing="false" text="开始转码" />
+      <Button fx:id="start_button" layoutX="574.0" layoutY="544.0" mnemonicParsing="false" text="开始转码" AnchorPane.bottomAnchor="80.0" />
-      <ProgressBar fx:id="progressbar" layoutX="56.0" layoutY="156.0" prefHeight="9.0" prefWidth="1100.0" progress="0.0" AnchorPane.leftAnchor="56.0" AnchorPane.rightAnchor="44.0" />
+      <ProgressBar fx:id="progressbar" layoutX="56.0" layoutY="504.0" prefHeight="9.0" prefWidth="1100.0" progress="0.0" AnchorPane.bottomAnchor="136.0" AnchorPane.leftAnchor="56.0" AnchorPane.rightAnchor="44.0" />
-      <MediaView fitHeight="200.0" fitWidth="649.0" layoutX="56.0" layoutY="212.0" AnchorPane.leftAnchor="56.0" AnchorPane.rightAnchor="56.0" />
+      <AnchorPane fx:id="mv_root" layoutX="56.0" layoutY="140.0" prefHeight="339.0" prefWidth="1088.0" style="-fx-border-color: #eeee07;-fx-border-width: 1px;" AnchorPane.bottomAnchor="170.0" AnchorPane.leftAnchor="56.0" AnchorPane.rightAnchor="56.0" AnchorPane.topAnchor="140.0">
+         <children>
+            <MediaView fx:id="mv" style="-fx-border-color: red"  />
+         </children>
+      </AnchorPane>
    </children>
 </AnchorPane>