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

Example 46 with MediaInfo

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

the class Demo3LayerFilterActivity method getFirstFrame.

/**
 * 先获取第一帧, 然后根据第一帧去获取所有滤镜.
 *
 * @param src
 * @return
 */
public boolean getFirstFrame(String src) {
    long decoderHandler = 0;
    IntBuffer mGLRgbBuffer;
    MediaInfo info = new MediaInfo(src, false);
    if (info.prepare()) {
        decoderHandler = AVDecoder.decoderInit(src);
        if (decoderHandler != 0) {
            mGLRgbBuffer = IntBuffer.allocate(info.vWidth * info.vHeight);
            mGLRgbBuffer.position(0);
            AVDecoder.decoderFrame(decoderHandler, -1, mGLRgbBuffer.array());
            AVDecoder.decoderRelease(decoderHandler);
            // 转换为bitmap
            Bitmap bmp = Bitmap.createBitmap(info.vWidth, info.vHeight, Bitmap.Config.ARGB_8888);
            bmp.copyPixelsFromBuffer(mGLRgbBuffer);
            decoderHandler = 0;
            // 拿到图片, 去获取多个滤镜.
            getBitmapFilters(bmp, info.vRotateAngle);
            return true;
        }
    }
    return false;
}

Example 47 with MediaInfo

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

the class Demo3LayerFilterActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.filter_layer_demo_layout);
    initView();
    mVideoPath = getIntent().getStringExtra("videopath");
    editTmpPath = SDKFileUtils.newMp4PathInBox();
    dstPath = SDKFileUtils.newMp4PathInBox();
    mInfo = new MediaInfo(mVideoPath, false);
    if (mInfo.prepare()) {
        new GetBitmapFiltersTask(mVideoPath).execute();
        new Handler().postDelayed(new Runnable() {

            @Override
            public void run() {
                startPlayVideo();
            }
        }, 100);
    }
}

Example 48 with MediaInfo

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

the class DisplayFramesActivity method startGetFrames.

/**
 * 从这里开始演示.
 */
private void startGetFrames() {
    if (isExecuting)
        return;
    mInfo = new MediaInfo(videoPath);
    if (mInfo.prepare() == false || mInfo.isHaveVideo() == false) {
        return;
    }
    isExecuting = true;
    /**
     * 初始化.
     */
    mExtractFrame = new ExtractVideoFrame(DisplayFramesActivity.this, videoPath);
    if (mInfo.vWidth * mInfo.vHeight > 960 * 540) {
        // 视频分辨率过大,则缩小一倍.
        mExtractFrame.setBitmapWH(mInfo.vWidth / 2, mInfo.vHeight / 2);
    }
    if (mTpye == FRAME_TYPE_25) {
        // 25帧, 先检查用 内存释放够,如果不够,再用SD卡来缓存.
        mExtractFrame.setExtract25Frame();
        long desireSize = mExtractFrame.getBitmapHeight() * mExtractFrame.getBitmapWidth() * 4 * 25;
        long cachesize = BitmapLruCache.getMaxCacheSize();
        if (desireSize > cachesize) {
            mDiskCache = new MemoryDiskCache(getApplication());
        } else {
            mLruCache = new BitmapLruCache();
        }
    } else if (mTpye == FRAME_TYPE_60) {
        mExtractFrame.setExtract60Frame();
        mDiskCache = new MemoryDiskCache(getApplication());
    } else {
        // 不设置,则默认是全部解码
        // 全部解码,则用DiskLruCache
        mDiskCache = new MemoryDiskCache(getApplication());
    }
    if (mDiskCache != null) {
        Log.i(TAG, "写入到 硬盘.....");
    } else {
        Log.i(TAG, "写入到 memory....");
    }
    /**
     * 设置处理完成监听.
     */
    mExtractFrame.setOnExtractCompletedListener(new onExtractVideoFrameCompletedListener() {

        @Override
        public void onCompleted(ExtractVideoFrame v) {
            mImageAdapter.notifyDataSetChanged();
        }
    });
    /**
     * 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.
         */
        @Override
        public void onExtractBitmap(Bitmap bmp, long ptsUS) {
            if (mDiskCache != null) {
                mDiskCache.pushBitmap(bmp);
                count++;
                // if(count%10==0){
                mImageAdapter.notifyDataSetChanged();
            // }
            } else if (mLruCache != null) {
                mLruCache.pushBitmap(bmp);
                count++;
                // if(count%10==0){
                mImageAdapter.notifyDataSetChanged();
            // }
            }
        }
    });
    /**
     * 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();
}

Example 49 with MediaInfo

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

the class ExecuteVideoLayerActivity method addDataLayer.

/**
 * 增加一个DataLayer, 数据图层. 数据图层是可以把外界的数据图片RGBA, 作为一个图层, 传到到DrawPad中.
 * <p>
 * 流程是: 把gif作为一个视频文件, 一帧一帧的解码,把解码得到的数据通过DataLayer传递到容器中.
 */
private void addDataLayer() {
    String gifPath = CopyDefaultVideoAsyncTask.copyFile(getApplicationContext(), "a.gif");
    gifInfo = new MediaInfo(gifPath);
    if (gifInfo.prepare()) {
        decoderHandler = BoxDecoder.decoderInit(gifPath);
        mGLRgbBuffer = IntBuffer.allocate(gifInfo.vWidth * gifInfo.vHeight);
        gifInterval = (int) (mInfo.vFrameRate / gifInfo.vFrameRate);
        dataLayer = mDrawPad.addDataLayer(gifInfo.vWidth, gifInfo.vHeight);
        /**
         * 容器中的onDrawPadThreadProgressListener监听,与 onDrawPadProgressListener不同的地方在于:
         * 此回调是在DrawPad渲染完一帧后,立即执行这个回调中的代码,不通过Handler传递出去.
         */
        mDrawPad.setDrawPadThreadProgressListener(new onDrawPadThreadProgressListener() {

            @Override
            public void onThreadProgress(DrawPad v, long currentTimeUs) {
                // TODO Auto-generated method stub
                if (dataLayer != null) {
                    if (canDrawNext()) {
                        int seekZero = -1;
                        if (decoderHandler != 0 && BoxDecoder.decoderIsEnd(decoderHandler)) {
                            seekZero = 0;
                        }
                        BoxDecoder.decoderFrame(decoderHandler, seekZero, mGLRgbBuffer.array());
                        dataLayer.pushFrameToTexture(mGLRgbBuffer);
                        mGLRgbBuffer.position(0);
                    }
                }
            }
        });
    }
}

Example 50 with MediaInfo

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

the class ExecuteVideoLayerActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    mContext = getApplicationContext();
    videoPath = getIntent().getStringExtra("videopath");
    mInfo = new MediaInfo(videoPath);
    mInfo.prepare();
    setContentView(R.layout.execute_edit_demo_layout);
    initUI();
    // 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)
    editTmpPath = SDKFileUtils.newMp4PathInBox();
    if (SDKFileUtils.fileExist(editTmpPath)) {
        SDKFileUtils.deleteFile(editTmpPath);
    }
    dstPath = SDKFileUtils.newMp4PathInBox();
}