BinaryInstaller.java

public class BinaryInstaller  {


    File installFolder;
    Context context;

    private static int isARMv6 = -1;
    private static String CHMOD_EXEC = "700";

    private final static int FILE_WRITE_BUFFER_SIZE = 32256;

    public BinaryInstaller (Context context,File installFolder)
    {
        this.installFolder = installFolder;

        this.context = context;
    }

    //      
    /*
     * Extract the Tor binary from the APK file using ZIP
     */
    public boolean installFromRaw () throws IOException,FileNotFoundException
    {

        InputStream is;
        File outFile;

        is = context.getResources().openRawResource(R.raw.ffmpeg);          
        outFile = new File(installFolder,"ffmpeg");
        streamToFile(is,outFile,"700");


        return true;
    }


    private static void copyAssetFile(Context ctx,String asset,File file) throws IOException,InterruptedException
    {

        DataOutputStream out = new DataOutputStream(new FileOutputStream(file));
        InputStream is = new GZIPInputStream(ctx.getAssets().open(asset));

        byte buf[] = new byte[8172];
        int len;
        while ((len = is.read(buf)) > 0) {
            out.write(buf,len);
        }
        out.close();
        is.close();
    }
    /*
     * Write the inputstream contents to the file
     */
    private static boolean streamToFile(InputStream stm,File outFile,boolean append,boolean zip,String mode) throws IOException

    {
        byte[] buffer = new byte[FILE_WRITE_BUFFER_SIZE];

        int bytecount;


        OutputStream stmOut = new FileOutputStream(outFile,append);

        if (zip)
        {
            ZipInputStream zis = new ZipInputStream(stm);           
            ZipEntry ze = zis.getNextEntry();
            stm = zis;

        }

        while ((bytecount = stm.read(buffer)) > 0)
        {

            stmOut.write(buffer,bytecount);

        }

        stmOut.close();
        stm.close();

        Runtime.getRuntime().exec("chmod "+mode+" "+outFile.getAbsolutePath());


        return true;

    }

    //copy the file from inputstream to File output - alternative impl
    public void copyFile (InputStream is,File outputFile)
    {

        try {
            outputFile.createNewFile();
            DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
            DataInputStream in = new DataInputStream(is);

            int b = -1;
            byte[] data = new byte[1024];

            while ((b = in.read(data)) != -1) {
                out.write(data);
            }

            if (b == -1); //rejoice

            //
            out.flush();
            out.close();
            in.close();
            // chmod?



        } catch (IOException ex) {
            Log.e("SLIDEAGRAM","error copying binary",ex);
        }

    }



    /**
     * Check if this is an ARMv6 device
     * @return true if this is ARMv6
     */
    private static boolean isARMv6() {
        if (isARMv6 == -1) {
            BufferedReader r = null;
            try {
                isARMv6 = 0;
                r = new BufferedReader(new FileReader("/proc/cpuinfo"));
                for (String line = r.readLine(); line != null; line = r.readLine()) {
                    if (line.startsWith("Processor") && line.contains("ARMv6")) {
                        isARMv6 = 1;
                        break;
                    } else if (line.startsWith("cpu architecture") && (line.contains("6TE") || line.contains("5TE"))) {
                        isARMv6 = 1;
                        break;
                    }
                }
            } catch (Exception ex) {
            } finally {
                if (r != null) try {r.close();} catch (Exception ex) {}
            }
        }
        return (isARMv6 == 1);
    }


    private static void copyRawFile(Context ctx,int resid,File file,String mode,boolean isZipd) throws IOException,InterruptedException
    {
        final String abspath = file.getAbsolutePath();
        // Write the iptables binary
        final FileOutputStream out = new FileOutputStream(file);
        InputStream is = ctx.getResources().openRawResource(resid);

        if (isZipd)
        {
            ZipInputStream zis = new ZipInputStream(is);            
            ZipEntry ze = zis.getNextEntry();
            is = zis;
        }

        byte buf[] = new byte[1024];
        int len;
        while ((len = is.read(buf)) > 0) {
            out.write(buf,len);
        }
        out.close();
        is.close();
        // Change the permissions
        Runtime.getRuntime().exec("chmod "+mode+" "+abspath).waitFor();
    }


}

FFMpegVideoProcess.java

public class FFMpegVideoProcess
{

    public static void mergeFramesIntoVideo(Activity context,String duration_per_frame,String input_frame_path,String out_video_path)throws Exception
    {
        //Looper.prepare();

         String  ffmpegBin;
         FFMPEGWrapper ffmpeg = null;
         ShellUtils.ShellCallback sc;

                if (ffmpeg == null)
                    ffmpeg = new FFMPEGWrapper(context);


                 sc = new ShellUtils.ShellCallback ()
                {
                    int total = 0;
                    int current = 0;

                    @Override
                    public void shellOut(char[] shellout) {

                        String line = new String(shellout);


                        int idx1;
                        String newStatus = null;
                        int progress = 0;

                        if ((idx1 = line.indexOf("Duration:"))!=-1)
                        {
                            int idx2 = line.indexOf(",",idx1);
                            String time = line.substring(idx1+10,idx2);

                            int hour = Integer.parseInt(time.substring(0,2));
                            int min = Integer.parseInt(time.substring(3,5));
                            int sec = Integer.parseInt(time.substring(6,8));

                            total = (hour * 60 * 60) + (min * 60) + sec;

                            newStatus = line;
                            progress = 0;
                        }
                        else if ((idx1 = line.indexOf("time="))!=-1)
                        {
                            int idx2 = line.indexOf(" ",idx1);
                            String time = line.substring(idx1+5,idx2);
                            newStatus = line;

                            int hour = Integer.parseInt(time.substring(0,8));

                            current = (hour * 60 * 60) + (min * 60) + sec;

                            progress = (int)( ((float)current) / ((float)total) *100f );
                        }

                        if (newStatus != null)
                        {
                        // Message msg = mHandler.obtainMessage(1);
                     //    msg.getData().putInt("progress",progress);
                       //  msg.getData().putString("status",newStatus);

                       //  mHandler.sendMessage(msg);
                        }
                    }

                };



                 ffmpegBin = new File(ffmpeg.fileBinDir,"ffmpeg").getAbsolutePath();
                Runtime.getRuntime().exec("chmod 700 " +ffmpegBin);


            //  refincereference.updateLoadingbar(20);



        ffmpeg.execProcess(new String[]{

                ffmpegBin,"image2",duration_per_frame,input_frame_path,"640x640",//"640x388",out_video_path




            },sc);
        //Looper.loop();    

}


}

将所有文件放在一起后,如果要将帧合并到视频中,请调用此函数,如下所示

  FFMpegVideoProcess.createFramesinFolder(this,DIR_IN_WHICH_YOU_WANT_TO_KEEP_FRAMES,"frame_%03d.jpg");
        FFMpegVideoProcess.mergeFramesIntoVideo(args1,DIR_IN_WHICH_YOU_WANT_TO_KEEP_FRAMES/frame_%3d.jpg",argN...);

如果您有任何查询,请随时提出问题.谢谢