要在GLSurfaceView上使用ExoPlayer來播放視頻,您需要完成以下步驟:
implementation 'com.google.android.exoplayer:exoplayer-core:2.X.X'
implementation 'com.google.android.exoplayer:exoplayer-ui:2.X.X'
其中,2.X.X應替換為您要使用的ExoPlayer版本。
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.opengl.GLSurfaceView
android:id="@+id/glsurfaceview"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
import android.opengl.GLSurfaceView;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.exoplayer2.DefaultLoadControl;
import com.google.android.exoplayer2.DefaultRenderersFactory;
import com.google.android.exoplayer2.ExoPlayerFactory;
import com.google.android.exoplayer2.SimpleExoPlayer;
import com.google.android.exoplayer2.source.ExtractorMediaSource;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
import com.google.android.exoplayer2.ui.PlayerView;
import com.google.android.exoplayer2.upstream.DataSource;
import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory;
import com.google.android.exoplayer2.util.Util;
public class MainActivity extends AppCompatActivity {
private GLSurfaceView glSurfaceView;
private SimpleExoPlayer player;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
glSurfaceView = findViewById(R.id.glsurfaceview);
glSurfaceView.setEGLContextClientVersion(2);
player = ExoPlayerFactory.newSimpleInstance(
new DefaultRenderersFactory(this),
new DefaultTrackSelector(),
new DefaultLoadControl());
PlayerView playerView = new PlayerView(this);
playerView.setPlayer(player);
glSurfaceView.setRenderer(new VideoRenderer(player));
glSurfaceView.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
}
@Override
protected void onResume() {
super.onResume();
glSurfaceView.onResume();
}
@Override
protected void onPause() {
super.onPause();
glSurfaceView.onPause();
}
private static class VideoRenderer implements GLSurfaceView.Renderer {
private SimpleExoPlayer player;
public VideoRenderer(SimpleExoPlayer player) {
this.player = player;
}
@Override
public void onSurfaceCreated(GL10 gl10, EGLConfig eglConfig) {
Surface surface = new Surface(/* your SurfaceTexture */);
player.setVideoSurface(surface);
}
@Override
public void onSurfaceChanged(GL10 gl10, int width, int height) {
// Adjust the player's video output to match the GLSurfaceView's dimensions.
}
@Override
public void onDrawFrame(GL10 gl10) {
// Render the video frame using OpenGL.
}
}
}
其中,VideoRenderer
類實現了GLSurfaceView的Renderer接口,用于在onSurfaceCreated
方法中將SurfaceTexture與ExoPlayer關聯起來。
ExtractorMediaSource
從URL加載視頻。例如:MediaSource mediaSource = buildMediaSource(Uri.parse("http://example.com/video.mp4"));
player.prepare(mediaSource);
player.setPlayWhenReady(true);
buildMediaSource
方法用于構建適當的MediaSource對象,您可以根據需要選擇不同的MediaSource實現。
以上是使用GLSurfaceView和ExoPlayer播放視頻的基本步驟。您可以根據需要進行自定義和調整。