请问为什么 SurfaceView 可以播放视频而 GLSurfaceView 不可以

2023-04-03 19:44:12 +08:00
 fhj

public class MySurfaceView extends GLSurfaceView implements SurfaceHolder.Callback2 {

private IMediaPlayer mIjkMediaPlayer;

public MySurfaceView(Context context) {
    this(context,null);
}

public MySurfaceView(Context context, AttributeSet attrs) {
    super(context, attrs);
    this.getHolder().addCallback(this);
}

@Override
public void surfaceRedrawNeeded(@NonNull SurfaceHolder holder) {

}

@Override
public void surfaceCreated(@NonNull SurfaceHolder holder) {
    IjkMediaPlayer.loadLibrariesOnce(null);
    mIjkMediaPlayer = new IjkMediaPlayer();
    IjkMediaPlayer.native_setLogLevel(IjkMediaPlayer.IJK_LOG_DEBUG);
    ((IjkMediaPlayer)mIjkMediaPlayer).setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "mediacodec", 1);
    ((IjkMediaPlayer)mIjkMediaPlayer).setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "start-on-prepared", 1);
    MyLog.printLog("当前类:MySurfaceView,当前方法:surfaceCreated,当前线程:"+ Thread.currentThread().getName()+",信息:");
    try {

        mIjkMediaPlayer.setDataSource("http://v26-web.douyinvod.com/9bc1da753b72cf58198a5ac6b33f5c5f/642ac71d/video/tos/cn/tos-cn-ve-15c001-alinc2/oUnw3NQsIhdSv2DA3DyAnzwBEUZhDDkNgAnfce/?a=6383&ch=26&cr=3&dr=0&lr=all&cd=0%7C0%7C0%7C3&cv=1&br=4099&bt=4099&cs=0&ds=4&ft=bvTKJbQQqUYqfJEZao0OW_EklpPiXkHIzMVJERXpwrbPD-I&mime_type=video_mp4&qs=0&rc=Ozs7Nmk5aDs6Njs1OWVkNEBpM3c7cmc6ZnJpajMzNGkzM0A0Ml4yLjMzX2AxNGNeNi8vYSNqM15ncjQwa2dgLS1kLTBzcw%3D%3D&l=20230403193118DD1B97F459BD1305F3B1&btag=8000&testst=1680521484498");

    } catch (IOException e) {

    }

    mIjkMediaPlayer.setDisplay(holder);
    mIjkMediaPlayer.prepareAsync();

    ((IjkMediaPlayer)mIjkMediaPlayer).setOnAllListener(new IMediaPlayer.OnAllListener() {
        @Override
        public void onPrepared(IMediaPlayer iMediaPlayer) {

        }

        @Override
        public void onCompletion(IMediaPlayer iMediaPlayer) {

        }

        @Override
        public void onBufferingUpdate(IMediaPlayer iMediaPlayer, int i) {

        }

        @Override
        public void onSeekComplete(IMediaPlayer iMediaPlayer) {

        }

        @Override
        public void onVideoSizeChanged(IMediaPlayer iMediaPlayer, int width, int height, int i2, int i3) {
            ConstraintLayout.LayoutParams layoutParams = new ConstraintLayout.LayoutParams(MySurfaceView.this.getLayoutParams());
            layoutParams.height = iMediaPlayer.getVideoHeight();
            layoutParams.width = iMediaPlayer.getVideoWidth();
            requestLayout();
        }

        @Override
        public void onError(IMediaPlayer iMediaPlayer, int i, int i1) {

        }

        @Override
        public void onInfo(IMediaPlayer iMediaPlayer, int i, int i1) {

        }

        @Override
        public void onTimedText(IMediaPlayer iMediaPlayer, IjkTimedText ijkTimedText) {

        }

        @Override
        public void onServerCmd(IMediaPlayer iMediaPlayer, IjkServerCmd ijkServerCmd) {

        }
    });

}

@Override
public void surfaceChanged(@NonNull SurfaceHolder holder, int format, int width, int height) {

}

@Override
public void surfaceDestroyed(@NonNull SurfaceHolder holder) {

}

}

==================================分割线==============================================

public class MySurfaceView extends SurfaceView implements SurfaceHolder.Callback2 {

private IMediaPlayer mIjkMediaPlayer;

public MySurfaceView(Context context) {
    this(context,null);
}

public MySurfaceView(Context context, AttributeSet attrs) {
    this(context, attrs,0);
}

public MySurfaceView(Context context, AttributeSet attrs, int defStyleAttr) {
    this(context, attrs, defStyleAttr,0);

}

public MySurfaceView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
    super(context, attrs, defStyleAttr, defStyleRes);
    this.getHolder().addCallback(this);

}

@Override
public void surfaceRedrawNeeded(@NonNull SurfaceHolder holder) {

}

@Override
public void surfaceCreated(@NonNull SurfaceHolder holder) {
    IjkMediaPlayer.loadLibrariesOnce(null);
    mIjkMediaPlayer = new IjkMediaPlayer();
    IjkMediaPlayer.native_setLogLevel(IjkMediaPlayer.IJK_LOG_DEBUG);
    ((IjkMediaPlayer)mIjkMediaPlayer).setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "mediacodec", 1);
    ((IjkMediaPlayer)mIjkMediaPlayer).setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "start-on-prepared", 1);
    MyLog.printLog("当前类:MySurfaceView,当前方法:surfaceCreated,当前线程:"+ Thread.currentThread().getName()+",信息:");
    try {

        mIjkMediaPlayer.setDataSource("http://v26-web.douyinvod.com/9bc1da753b72cf58198a5ac6b33f5c5f/642ac71d/video/tos/cn/tos-cn-ve-15c001-alinc2/oUnw3NQsIhdSv2DA3DyAnzwBEUZhDDkNgAnfce/?a=6383&ch=26&cr=3&dr=0&lr=all&cd=0%7C0%7C0%7C3&cv=1&br=4099&bt=4099&cs=0&ds=4&ft=bvTKJbQQqUYqfJEZao0OW_EklpPiXkHIzMVJERXpwrbPD-I&mime_type=video_mp4&qs=0&rc=Ozs7Nmk5aDs6Njs1OWVkNEBpM3c7cmc6ZnJpajMzNGkzM0A0Ml4yLjMzX2AxNGNeNi8vYSNqM15ncjQwa2dgLS1kLTBzcw%3D%3D&l=20230403193118DD1B97F459BD1305F3B1&btag=8000&testst=1680521484498");

    } catch (IOException e) {

    }

    mIjkMediaPlayer.setDisplay(holder);
    mIjkMediaPlayer.prepareAsync();

    ((IjkMediaPlayer)mIjkMediaPlayer).setOnAllListener(new IMediaPlayer.OnAllListener() {
        @Override
        public void onPrepared(IMediaPlayer iMediaPlayer) {

        }

        @Override
        public void onCompletion(IMediaPlayer iMediaPlayer) {

        }

        @Override
        public void onBufferingUpdate(IMediaPlayer iMediaPlayer, int i) {

        }

        @Override
        public void onSeekComplete(IMediaPlayer iMediaPlayer) {

        }

        @Override
        public void onVideoSizeChanged(IMediaPlayer iMediaPlayer, int width, int height, int i2, int i3) {
            ConstraintLayout.LayoutParams layoutParams = new ConstraintLayout.LayoutParams(MySurfaceView.this.getLayoutParams());
            layoutParams.height = iMediaPlayer.getVideoHeight();
            layoutParams.width = iMediaPlayer.getVideoWidth();
            requestLayout();
        }

        @Override
        public void onError(IMediaPlayer iMediaPlayer, int i, int i1) {

        }

        @Override
        public void onInfo(IMediaPlayer iMediaPlayer, int i, int i1) {

        }

        @Override
        public void onTimedText(IMediaPlayer iMediaPlayer, IjkTimedText ijkTimedText) {

        }

        @Override
        public void onServerCmd(IMediaPlayer iMediaPlayer, IjkServerCmd ijkServerCmd) {

        }
    });

}

@Override
public void surfaceChanged(@NonNull SurfaceHolder holder, int format, int width, int height) {

}

@Override
public void surfaceDestroyed(@NonNull SurfaceHolder holder) {

}

}

SurfaceView 可以播放视频而 GLSurfaceView 不可以

7767 次点击
所在节点    Android
4 条回复
cxtrinityy
2023-04-03 20:18:09 +08:00
看这名字就是 OpenGL 的专用类吧,和一般 Surfaceview 用法不同吧
fhj
2023-04-03 20:51:01 +08:00
@cxtrinityy GLSurfaceView 是 SurfaceView 的子类,就多了个 GL 环境
psklf
2023-04-04 15:11:53 +08:00
GLSurfaceView 没有 setRenderer 啊 你的 renderer 在哪里?
fhj
2023-04-06 23:47:57 +08:00
@psklf 添加了也不行

这是一个专为移动设备优化的页面(即为了让你能够在 Google 搜索结果里秒开这个页面),如果你希望参与 V2EX 社区的讨论,你可以继续到 V2EX 上打开本讨论主题的完整版本。

https://www.v2ex.com/t/929518

V2EX 是创意工作者们的社区,是一个分享自己正在做的有趣事物、交流想法,可以遇见新朋友甚至新机会的地方。

V2EX is a community of developers, designers and creative people.

© 2021 V2EX