我如何在我的自定义相机中添加暂停功能,因为android媒体记录器类没有暂停方法。当前我正在使用mp4Parse库合并视频文件以实现暂停功能,但是合并后我的视频旋转是我正在使用的代码mp4Parse android。

private class MergeVideos extends AsyncTask<String, Integer, String> {

    //The working path where the video files are located
    private String workingPath;
    //The file names to merge
    private ArrayList<String> videosToMerge;
    //Dialog to show to the user
    private ProgressDialog progressDialog;

    private MergeVideos(String workingPath, ArrayList<String> videosToMerge) {
        this.workingPath = workingPath;
        this.videosToMerge = videosToMerge;
    }

    @Override
    protected void onPreExecute() {
        progressDialog = ProgressDialog.show(MainActivity.this,
                "Merging videos", "Please wait...", true);
    };

    @Override
    protected String doInBackground(String... params) {
        int count = videosToMerge.size();
        try {
            Movie[] inMovies = new Movie[count];
            for (int i = 0; i < count; i++) {
                //File file = new File(workingPath, videosToMerge.get(i));
                File file = new File( videosToMerge.get(i));
                //File file = new File(videosToMerge.get(i));

                if(file.exists()) {
                    FileInputStream fis = new FileInputStream(file);
                    FileChannel fc = fis.getChannel();
                    inMovies[i] = MovieCreator.build(fc);
                    fis.close();
                    fc.close();
                }
            }
            List<Track> videoTracks = new LinkedList<Track>();
            List<Track> audioTracks = new LinkedList<Track>();

            for (Movie m : inMovies) {

                for (Track t : m.getTracks()) {
                    if (t.getHandler().equals("soun")) {
                        audioTracks.add(t);
                    }
                    if (t.getHandler().equals("vide")) {
                        videoTracks.add(t);
                    }
                    if (t.getHandler().equals("")) {

                    }
                }
            }

            Movie result = new Movie();

            if (audioTracks.size() > 0) {
                result.addTrack(new AppendTrack(audioTracks
                        .toArray(new Track[audioTracks.size()])));
            }
            if (videoTracks.size() > 0) {
                result.addTrack(new AppendTrack(videoTracks
                        .toArray(new Track[videoTracks.size()])));
            }
            IsoFile out = new DefaultMp4Builder()

            .build(result);

            //rotate video

            out.getMovieBox().getMovieHeaderBox().setMatrix(ROTATE_90);

            long timestamp=new Date().getTime();
            String timestampS="" + timestamp;

            File storagePath = new File(workingPath);
            storagePath.mkdirs();

            File myMovie = new File(storagePath, String.format("output-file-%s.mp4", timestampS));

            FileOutputStream fos = new FileOutputStream(myMovie);
            FileChannel fco = fos.getChannel();
            fco.position(0);
            out.getBox(fco);
            fco.close();
            fos.close();

        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        String mFileName = Environment.getExternalStorageDirectory().getAbsolutePath();
        mFileName += "/output-file.mp4";
        return mFileName;
    }

    @Override
    protected void onPostExecute(String value) {
        super.onPostExecute(value);
        progressDialog.dismiss();
    }

}


在Android自定义相机中添加暂停功能的最佳方法是什么?

最佳答案

尊敬的Zohaib,我想提供一个网址作为参考,它可能会满足您的要求,如下所示:

https://github.com/sourab-sharma/TouchToRecord

10-07 19:44
查看更多