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

Example 51 with MediaInfo

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

the class ExtractVideoFrameDemoActivity method testGetFirstOnekey.

/**
 * 临时为了获取一个bitmap图片,临时测试. 可以用来作为视频的封面.
 *
 * @param src
 */
public static void testGetFirstOnekey(String src) {
    long decoderHandler = 0;
    IntBuffer mGLRgbBuffer;
    MediaInfo info = new MediaInfo(src);
    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 stitchBmp = Bitmap.createBitmap(info.vWidth, info.vHeight, Bitmap.Config.ARGB_8888);
            stitchBmp.copyPixelsFromBuffer(mGLRgbBuffer);
            /**
             * 这里是保存到文件, 仅仅用来测试, 实际您可以不用保存到文件.
             */
            // 您可以修改下, 然后返回bitmap
            savePng(stitchBmp);
            // 这里得到的图像在mGLRgbBuffer中, 可以用来返回一张图片.
            decoderHandler = 0;
        }
    } else {
        Log.e("TAG", "get first one key error!");
    }
}

Example 52 with MediaInfo

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

the class CanvasLayerDemoActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.canvaslayer_demo_layout);
    mVideoPath = getIntent().getStringExtra("videopath");
    mInfo = new MediaInfo(mVideoPath, false);
    if (mInfo.prepare() == false) {
        Log.e(TAG, " video path is error.finish\n");
        finish();
    }
    mDrawPadView = (DrawPadView) findViewById(R.id.id_canvaslayer_drawpadview);
    playVideo = (LinearLayout) findViewById(R.id.id_canvasLayer_saveplay);
    playVideo.setOnClickListener(new OnClickListener() {

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

        @Override
        public void run() {
            // TODO Auto-generated method stub
            // showHintDialog();
            startPlayVideo();
        }
    }, 500);
}

Example 53 with MediaInfo

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

the class Demo1LayerMothedActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.drawpad_layout);
    videoPath = getIntent().getStringExtra("videopath");
    mInfo = new MediaInfo(videoPath, 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();
    }
    drawPadView = (DrawPadView) findViewById(R.id.DrawPad_view);
    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)
    editTmpPath = SDKFileUtils.newMp4PathInBox();
    dstPath = SDKFileUtils.newMp4PathInBox();
    new Handler().postDelayed(new Runnable() {

        @Override
        public void run() {
            startPlayVideo();
        }
    }, 300);
    playVideo.setVisibility(View.INVISIBLE);
}

Example 54 with MediaInfo

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

the class Demo2LayerMothedActivity method initDrawPad.

/**
 * Step1:  init Drawpad  初始化DrawPad
 */
private void initDrawPad(MediaPlayer mp) {
    mInfo = new MediaInfo(mVideoPath, false);
    if (mInfo.prepare()) {
        drawPadView.setUpdateMode(DrawPadUpdateMode.ALL_VIDEO_READY, 25);
        drawPadView.setRealEncodeEnable(480, 480, 1000000, (int) mInfo.vFrameRate, editTmpPath);
        /**
         * 设置当前DrawPad的宽度和高度,并把宽度自动缩放到父view的宽度,然后等比例调整高度.
         */
        drawPadView.setDrawPadSize(480, 480, new onDrawPadSizeChangedListener() {

            @Override
            public void onSizeChanged(int viewWidth, int viewHeight) {
                startDrawPad();
            }
        });
    }
}

Example 55 with MediaInfo

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

the class DemoFunctions method demoAudioCut.

/**
 * 演示音频截取
 *
 * 音频剪切:\n剪切音频的长度,可以指定开始位置,指定结束位置.\n这里演示截取音频的前20秒或时长的一半,形成新的音频文件.
 */
public static int demoAudioCut(Context ctx, VideoEditor editor, String dstAudio) {
    String srcAudio = CopyDefaultVideoAsyncTask.copyFile(ctx, "honor30s2.m4a");
    MediaInfo info = new MediaInfo(srcAudio);
    if (info.prepare() && info.aCodecName != null) {
        if (info.aDuration > 15)
            return editor.executeAudioCutOut(srcAudio, dstAudio, 0, 15);
        else
            return editor.executeAudioCutOut(srcAudio, dstAudio, 0, info.aDuration / 2);
    } else {
        return -1;
    }
}