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FFmpegAndroid/app/src/main/java/com/frank/ffmpeg/activity/VideoPreviewActivity.java

158 lines
4.9 KiB

package com.frank.ffmpeg.activity;
import android.Manifest;
import android.media.MediaPlayer;
import android.os.Build;
import android.os.Environment;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.widget.SeekBar;
import com.frank.ffmpeg.R;
import com.frank.ffmpeg.hardware.HardwareDecode;
import java.io.IOException;
import androidx.appcompat.app.AppCompatActivity;
/**
* 视频拖动实时预览
* Created by frank on 2019/11/16.
*/
public class VideoPreviewActivity extends AppCompatActivity implements HardwareDecode.OnDataCallback {
private final static String TAG = VideoPreviewActivity.class.getSimpleName();
private final static String ROOT_PATH = Environment.getExternalStorageDirectory().getAbsolutePath();
private static String PATH1 = ROOT_PATH + "/What.mp4";
// private final static String PATH2 = ROOT_PATH + "/bird-1080P.mkv";
// PATH1 = "https://www.apple.com/105/media/cn/mac/family/2018/46c4b917_abfd_45a3_9b51_4e3054191797" +
// "/films/bruce/mac-bruce-tpl-cn-2018_1280x720h.mp4";
private SeekBar previewBar;
private HardwareDecode hardwareDecode;
private long duration;
private MediaPlayer mediaPlayer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_preview);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 1234);
}
initView();
setListener();
}
private void initView() {
previewBar = findViewById(R.id.preview_bar);
SurfaceView surfaceVideo = findViewById(R.id.surface_view);
setCallback(surfaceVideo);
SurfaceView surfaceView = findViewById(R.id.surface_preview);
setCallbackAndPlay(PATH1, surfaceView);
// SurfaceView surfaceViewOther = findViewById(R.id.surface_view_other);
// setCallbackAndPlay(PATH2, surfaceViewOther);
}
private void setCallback(SurfaceView surfaceView) {
mediaPlayer = new MediaPlayer();
mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
Log.e(TAG, "onPrepared...");
mediaPlayer.start();
}
});
surfaceView.getHolder().addCallback(new SurfaceHolder.Callback() {
@Override
public void surfaceCreated(SurfaceHolder holder) {
try {
mediaPlayer.setDataSource(PATH1);
mediaPlayer.setSurface(holder.getSurface());
mediaPlayer.prepareAsync();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
}
});
}
private void setCallbackAndPlay(final String filePath, SurfaceView surfaceView) {
surfaceView.getHolder().addCallback(new SurfaceHolder.Callback() {
@Override
public void surfaceCreated(SurfaceHolder holder) {
hardwareDecode = new HardwareDecode(holder.getSurface(), filePath, VideoPreviewActivity.this);
hardwareDecode.decode();
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
}
});
}
private void setListener() {
previewBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (!fromUser) {
return;
}
previewBar.setProgress(progress);
if (hardwareDecode != null && progress < duration) {
hardwareDecode.seekTo(progress);
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
//TODO
if (mediaPlayer != null) {
Log.e(TAG, "onStop progress=" + seekBar.getProgress());
mediaPlayer.seekTo(seekBar.getProgress()/1000);
}
}
});
}
@Override
public void onData(long duration) {
Log.e(TAG,"duration=" + duration);
this.duration = duration;
previewBar.setMax((int) duration);
}
}