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

Example 1 with BitmapLruCache

use of com.lansosdk.videoeditor.BitmapLruCache 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();
}