Examples with MediaInfo com.lansosdk.videoeditor.MediaInfo used on opensource projects

Example 6 with MediaInfo

use of com.lansosdk.videoeditor.MediaInfo in project LanSoEditor_advance by LanSoSdk.

the class ExtractVideoFrameDemoActivity method testExtractVideoFrame.

/**
 * 从这里开始演示.
 */
private void testExtractVideoFrame() {
    if (isExecuting)
        return;
    isExecuting = true;
    mInfo = new MediaInfo(videoPath);
    if (mInfo.prepare() == false || mInfo.isHaveVideo() == false) {
        return;
    }
    /**
     * 初始化.
     */
    mExtractFrame = new ExtractVideoFrame(ExtractVideoFrameDemoActivity.this, videoPath);
    /**
     * 设置在获取图片的时候, 可以指定图片的宽高, 指定后, 视频帧画面会被缩放到指定的宽高.
     *
     * 不调用则内部认为, 如果视频大于等于1280x720则自动缩小一倍.不然使用原来大小.
     * 大部分的使用场景是:作为预览横条用, 建议缩放, 这样可减少app内存
     * @param width  缩放宽度
     * @param height 缩放高度
     */
    if (mInfo.vWidth * mInfo.vHeight > 960 * 540) {
        mExtractFrame.setBitmapWH(mInfo.vWidth / 2, mInfo.vHeight / 2);
    }
    // 
    /**
     * 设置提取间隔.
     * 取bitmap的间隔, 即解码好后, 每隔几个返回一个bitmap, 用在需要列出视频一部分,但不需要全部的场合,比如预览缩略图.
     *
     * 如果设置时间,则从开始时间后, 查当前解码好几个图片,然后做间隔返回bitmap
     *
     * 比如设置间隔是3, 则bitmap在第 0个返回, 第4 8,12,16个返回.
     *
     * 可以用MediaInfo或FrameInfo得到当前视频中总共有多少帧,用FrameInfo可以得到每一帧的时间戳.
     *
     * @param frames
     */
    // mExtractFrame.setExtractInterval(5);
    /**
     * 设置处理完成监听.
     */
    mExtractFrame.setOnExtractCompletedListener(new onExtractVideoFrameCompletedListener() {

        @Override
        public void onCompleted(ExtractVideoFrame v) {
            // TODO Auto-generated method stub
            // 单位毫秒.
            long timeOut = System.currentTimeMillis() - startTime;
            float leftF = ((float) timeOut / 1000);
            // 保留一位小数.
            float b = (float) (Math.round(leftF * 10)) / 10;
            String str = "解码结束:\n" + "解码的视频总帧数:" + frameCount + "\n" + "解码耗时:" + b + "(秒)" + "\n" + "\n" + "\n" + "视频宽高:" + mInfo.vWidth + " x " + mInfo.vHeight + "\n" + "解码后图片缩放宽高:" + mExtractFrame.getBitmapWidth() + " x " + mExtractFrame.getBitmapHeight() + "\n";
            Log.i("TIME", "解码结束::" + str);
            tvProgressHint.setText("Completed" + str);
            isExecuting = false;
            frameCount = 0;
        }
    });
    /**
     * 设置处理进度监听.
     */
    mExtractFrame.setOnExtractProgressListener(new onExtractVideoFrameProgressListener() {

        /**
         * 当前帧的画面回调,,  ptsUS:当前帧的时间戳,单位微秒.
         * 拿到图片后,建议放到ArrayList中, 不要直接在这里处理.
         */
        @Override
        public void onExtractBitmap(Bitmap bmp, long ptsUS) {
            // TODO Auto-generated method stub
            frameCount++;
            String hint = " 当前是第" + frameCount + "帧" + "\n" + "当前帧的时间戳是:" + String.valueOf(ptsUS) + "微秒";
            tvProgressHint.setText(hint);
            Log.i(TAG, "bitmap ptsUs is:" + ptsUS);
        // savePng(bmp);  //测试使用.
        // if(bmp!=null && bmp.isRecycled()){
        // bmp.recycle();
        // bmp=null;
        // }
        // if(ptsUS>15*1000*1000){ //  你可以在指定的时间段停止.
        // mExtractFrame.stop();   //这里演示在15秒的时候停止.
        // }
        }
    });
    frameCount = 0;
    /**
     * 开始执行.  或者你可以从指定地方开始解码.
     * mExtractFrame.start(10*1000*1000);则从视频的10秒处开始提取.
     */
    mExtractFrame.start();
    /**
     * 您可以一帧一帧的读取, seekPause是指:seek到指定帧后, 调用回调就暂停.
     * 单位是us, 微秒.
     * 单独读取的话, 把这里打开
     * 如果您频繁的读取, 建议直接一次性读取完毕,放到sd卡里,然后用的时候, 从sd卡中读取.
     */
    // mExtractFrame.seekPause(seekCount*1000*1000);
    startTime = System.currentTimeMillis();
}

Example 7 with MediaInfo

use of com.lansosdk.videoeditor.MediaInfo in project LanSoEditor_advance by LanSoSdk.

the class BitmapLayerMarkActivity method initDrawPad.

/**
 * Step1: 初始化 DrawPad 容器
 */
private void initDrawPad() {
    MediaInfo info = new MediaInfo(mVideoPath);
    if (info.prepare()) {
        // mMarkView.setUseMainVideoPts(true);
        markView.setRealEncodeEnable(480, 480, 1000000, (int) info.vFrameRate, editTmpPath);
        markView.setDrawPadSize(480, 480, new onDrawPadSizeChangedListener() {

            @Override
            public void onSizeChanged(int viewWidth, int viewHeight) {
                // TODO Auto-generated method stub
                startDrawPad();
            }
        });
    }
}

Example 8 with MediaInfo

use of com.lansosdk.videoeditor.MediaInfo in project LanSoEditor_advance by LanSoSdk.

the class ExecuteAllDrawpadActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.execute_edit_demo_layout);
    mContext = getApplicationContext();
    videoPath = getIntent().getStringExtra("videopath");
    mInfo = new MediaInfo(videoPath, false);
    initView();
    // 在手机的默认路径下创建一个文件名,用来保存生成的视频文件,(在onDestroy中删除)
    dstPath = SDKFileUtils.newMp4PathInBox();
    new Thread(new Runnable() {

        @Override
        public void run() {
            videoPath2 = CopyFileFromAssets.copyAssets(getApplicationContext(), "ping25s.mp4");
        }
    }).start();
    if (// 为了很快演示, 这里只要前3秒.
    mInfo.prepare() && mInfo.vDuration > 3.0f) {
        VideoEditor editor = new VideoEditor();
        video3S = SDKFileUtils.createFileInBox(mInfo.fileSuffix);
        editor.executeVideoCutOut(videoPath, video3S, 0, 3.0f);
    } else {
        video3S = videoPath;
    }
}

Example 9 with MediaInfo

use of com.lansosdk.videoeditor.MediaInfo in project LanSoEditor_advance by LanSoSdk.

the class MoreLayHeadSeekActivity method setupDrawPad.

/**
 * Step1: 设置DrawPad 容器的尺寸.并设置是否实时录制容器上的内容.
 */
private void setupDrawPad() {
    videoWidth = firstInfo.vWidth;
    videoHeight = firstInfo.vHeight;
    if (firstInfo.vRotateAngle == 90 || firstInfo.vRotateAngle == 270) {
        videoWidth = firstInfo.vHeight;
        videoHeight = firstInfo.vWidth;
    }
    joinCopySecondVideo();
    secondInfo = new MediaInfo(videoPath2, false);
    secondInfo.prepare();
    bmpLayerStartTime = (long) (firstInfo.vDuration * 1000 * 1000);
    // 设置最大值.
    totalTimeUs = (long) (firstInfo.vDuration * 1000 * 1000) + BITMAP_DURATION + (long) (secondInfo.vDuration * 1000 * 1000);
    skbTime.setMax((int) totalTimeUs);
    drawPadView.setRealEncodeEnable(videoWidth, videoHeight, 1500000, (int) 25, dstPath);
    // 25是帧率.
    drawPadView.setUpdateMode(DrawPadUpdateMode.AUTO_FLUSH, 25);
    drawPadView.setDrawPadSize(videoWidth, videoHeight, new onDrawPadSizeChangedListener() {

        @Override
        public void onSizeChanged(int viewWidth, int viewHeight) {
            drawPadView.pauseDrawPad();
            startDrawPad();
        }
    });
    drawPadView.setOnDrawPadRunTimeListener(new onDrawPadRunTimeListener() {

        @Override
        public void onRunTime(DrawPad v, long curerntTimeUs) {
            playVideo1(curerntTimeUs);
            playVideo2(curerntTimeUs);
            playPicture(curerntTimeUs);
        }
    });
    drawPadView.setOnDrawPadProgressListener(new onDrawPadProgressListener() {

        @Override
        public void onProgress(DrawPad v, long currentTimeUs) {
        }
    });
}

Example 10 with MediaInfo

use of com.lansosdk.videoeditor.MediaInfo in project LanSoEditor_advance by LanSoSdk.

the class OutBodyDemoActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.outbody_demo_layout);
    srcVideoPath = getIntent().getStringExtra("videopath");
    mInfo = new MediaInfo(srcVideoPath, false);
    if (mInfo.prepare() == false) {
        Toast.makeText(this, "传递过来的视频文件错误", Toast.LENGTH_SHORT).show();
        this.finish();
    }
    mDrawPadView = (DrawPadView) findViewById(R.id.id_outbody_drawpadview);
    btnTest = (Button) findViewById(R.id.id_outbody_testbutton);
    btnTest.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            if (mainVideoLayer != null) {
                mainVideoLayer.setSubImageEnable(false);
            }
        }
    });
    playVideo = (LinearLayout) findViewById(R.id.id_outbody_saveplay);
    playVideo.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            if (SDKFileUtils.fileExist(dstPath)) {
                Intent intent = new Intent(OutBodyDemoActivity.this, VideoPlayerActivity.class);
                intent.putExtra("videopath", dstPath);
                startActivity(intent);
            } else {
                Toast.makeText(OutBodyDemoActivity.this, "目标文件不存在", Toast.LENGTH_SHORT).show();
            }
        }
    });
    playVideo.setVisibility(View.GONE);
    editTmpPath = SDKFileUtils.newMp4PathInBox();
    dstPath = SDKFileUtils.newMp4PathInBox();
    new Handler().postDelayed(new Runnable() {

        @Override
        public void run() {
            // showHintDialog();
            startPlayVideo();
        }
    }, 300);
}