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

Example 56 with MediaInfo

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

the class DemoFunctions method demoAVMerge.

/**
 * 演示音频和视频合成, 也可以认为是音频替换.
 *
 * 音视频合成:\n把一个纯音频文件和纯视频文件合并成一个mp4格式的多媒体文件, 如果源视频之前有音频,会首先删除音频部分. \n\n
 */
public static int demoAVMerge(Context ctx, VideoEditor editor, String srcVideo, String dstPath) {
    int ret = -1;
    MediaInfo info = new MediaInfo(srcVideo, false);
    if (info.prepare()) {
        String video2 = srcVideo;
        String video3 = null;
        // 如果源视频中有音频,则先删除音频
        if (info.isHaveAudio()) {
            video3 = SDKFileUtils.createFileInBox(info.fileSuffix);
            editor.executeDeleteAudio(video2, video3);
            video2 = video3;
        }
        String audio = CopyDefaultVideoAsyncTask.copyFile(ctx, "aac20s.aac");
        ret = editor.executeVideoMergeAudio(video2, audio, dstPath);
        SDKFileUtils.deleteFile(video3);
    }
    return ret;
}

Example 57 with MediaInfo

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

the class MainActivity method checkPath.

private boolean checkPath() {
    if (isPermissionOk == false) {
        Toast.makeText(MainActivity.this, "请在系统中打开权限.", Toast.LENGTH_SHORT).show();
        return false;
    }
    if (tvVideoPath.getText() != null && tvVideoPath.getText().toString().isEmpty()) {
        Toast.makeText(MainActivity.this, "请输入视频地址", Toast.LENGTH_SHORT).show();
        return false;
    } else {
        String path = tvVideoPath.getText().toString();
        if ((new File(path)).exists() == false) {
            Toast.makeText(MainActivity.this, "文件不存在", Toast.LENGTH_SHORT).show();
            return false;
        } else {
            MediaInfo info = new MediaInfo(path, false);
            boolean ret = info.prepare();
            if (ret == false) {
                showHintDialog(R.string.sdk_checkerror);
            }
            return ret;
        }
    }
}

Example 58 with MediaInfo

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

the class MediaInfoActivity method getMediaInfo.

private String getMediaInfo() {
    String retStr = "";
    MediaInfo info = new MediaInfo(videoPath);
    if (info.prepare()) {
        retStr += "文件路径: " + info.filePath + " \n";
        retStr += "文件名字: " + info.fileName + " \n";
        retStr += "文件后缀: " + info.fileSuffix + " \n";
        if (info.vCodecHeight > 0 && info.vCodecWidth > 0) {
            retStr += "\n视频信息----------------------\n";
            retStr += "宽度: " + info.vWidth + " \n";
            retStr += "高度: " + info.vHeight + " \n";
            retStr += "编码宽度: " + info.vCodecWidth + " \n";
            retStr += "编码高度: " + info.vCodecHeight + " \n";
            retStr += "总时长: " + info.vDuration + "(秒)" + " \n";
            retStr += "比特率(码率): " + info.vBitRate + " bit/s" + " \n";
            retStr += "帧率: " + info.vFrameRate + " frame/s" + " \n";
            retStr += "像素格式: " + info.vPixelFmt + " \n";
            retStr += "旋转角度: " + info.vRotateAngle + " \n";
            retStr += "总帧数: " + info.vTotalFrames + " \n";
            retStr += "是否有B帧: " + info.vHasBFrame + " \n";
            retStr += "可采用的解码器: ";
            if (info.vCodecName.equals("lansoh264_dec"))
                retStr += "h264,";
            retStr += info.vCodecName + " \n";
        }
        if (info.aBitRate > 0) {
            retStr += "\n音频信息----------------------\n";
            retStr += "时长: " + info.aDuration + "(秒)" + "\n";
            retStr += "采样率: " + info.aSampleRate + "\n";
            retStr += "通道数: " + info.aChannels + "\n";
            retStr += "总帧数: " + info.aTotalFrames + "\n";
            retStr += "比特率(码率): " + info.aBitRate + "\n";
            retStr += "最大比特率(最大码率): " + info.aMaxBitRate + "\n";
            retStr += "可采用的解码器: " + info.aCodecName + "\n";
        }
    } else {
        retStr = "无法获取文件的音视频信息,请检查您的文件是否是音视频文件.";
    }
    return retStr;
}

Example 59 with MediaInfo

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

the class VideoPlayerActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.player_layout);
    textureView = (TextureRenderView) findViewById(R.id.surface1);
    videoPath = getIntent().getStringExtra("videopath");
    TextView tvScreen = (TextView) findViewById(R.id.id_palyer_screenhinit);
    TextView tvVideoRatio = (TextView) findViewById(R.id.id_palyer_videoRatio);
    TextView tvVideoDuration = (TextView) findViewById(R.id.id_palyer_videoduration);
    tvSizeHint = (TextView) findViewById(R.id.id_palyer_videosizehint);
    // 获取屏幕密度（方法2）
    DisplayMetrics dm = new DisplayMetrics();
    dm = getResources().getDisplayMetrics();
    screenWidth = dm.widthPixels;
    screenHeight = dm.heightPixels;
    String str = "当前屏幕分辨率：";
    str += String.valueOf(screenWidth);
    str += "x";
    str += String.valueOf(screenHeight);
    tvScreen.setText(str);
    mInfo = new MediaInfo(videoPath, false);
    if (mInfo.prepare() == false) {
        showHintDialog();
        isSupport = false;
    } else {
        isSupport = true;
        str = "当前视频分辨率：";
        str += String.valueOf(mInfo.vWidth);
        str += "x";
        str += String.valueOf(mInfo.vHeight);
        tvVideoRatio.setText(str);
        str = "当前视频时长:";
        str += String.valueOf(mInfo.vDuration);
        str += "\n文件大小:" + new File(videoPath).length();
        tvVideoDuration.setText(str);
    }
    textureView.setSurfaceTextureListener(new SurfaceTextureListener() {

        @Override
        public void onSurfaceTextureUpdated(SurfaceTexture surface) {
        // TODO Auto-generated method stub
        }

        @Override
        public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
        // TODO Auto-generated method stub
        }

        @Override
        public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
            // TODO Auto-generated method stub
            return false;
        }

        @Override
        public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
            // TODO Auto-generated method stub
            if (isSupport) {
                // play(new Surface(surface));
                startVPlayer(new Surface(surface));
            }
        }
    });
}