code query

[Rahul-Jagga]

this is my handler.js

var fs = require('fs'), sys = require('sys'), exec = require('child_process').exec; //r ejs = require('ejs'); //r mysql = require('mysql'); //r DATABASE = 'vistasoft';

function home(response) { response.writeHead(200, { 'Content-Type': 'text/html' }); response.end(fs.readFileSync('./static/home.html')); }

/ var mysql = mysql.createConnection({ host: 'localhost', port: 3306, user: 'root', password: 'raazkumar', });/

function ifWin(response, files) { // following command tries to merge wav/webm files using ffmpeg var merger = dirname + '\merger.bat'; var audioFile = dirname + '\upload\' + files.audio.name; var videoFile = dirname + '\upload\' + files.video.name; var mergedFile = dirname + '\upload\' + files.audio.name.split('.')[0] + '-merged.webm';

// if a "directory" has space in its name; below command will fail
// e.g. "c:\\dir name\\uploads" will fail.
// it must be like this: "c:\\dir-name\\uploads"
var command = merger + ', ' + audioFile + " " + videoFile + " " + mergedFile + '';
exec(command, function (error, stdout, stderr) {
    if (error) {
        console.log(error.stack);
        console.log('Error code: ' + error.code);
        console.log('Signal received: ' + error.signal);
    } else {
        response.statusCode = 200;
        response.writeHead(200, {
            'Content-Type': 'application/json'
        });
        response.end(files.audio.name.split('.')[0] + '-merged.webm');

        fs.unlink(audioFile);
        fs.unlink(videoFile);
    }
});

}

function ifMac(response, files) { // its probably *nix, assume ffmpeg is available var audioFile = dirname + '/uploads/' + files.audio.name; var videoFile = dirname + '/uploads/' + files.video.name; var mergedFile = __dirname + '/uploads/' + files.audio.name.split('.')[0] + '-merged.webm';

var util = require('util'),
    exec = require('child_process').exec;

var command = "ffmpeg -i " + audioFile + " -i " + videoFile + " -map 0:0 -map 1:0 " + mergedFile;

console.log("jieeeeee"+command); exec(command, function (error, stdout, stderr) { if (stdout) { console.log(stdout); } if (stderr){ console.log(stderr); }

    if (error) {
        console.log('exec error: ' + error);
        response.statusCode = 404;
        response.end();

    } else {
        response.statusCode = 200;
        response.writeHead(200, {
            'Content-Type': 'application/json'
        });
        response.end(files.audio.name.split('.')[0] + '-merged.webm');

        // removing audio/video files
        fs.unlink(audioFile);
        fs.unlink(videoFile);
    }

});

}

//this function merges wav/webm files function merge(response, files) { // detect the current operating system var isWin = !!process.platform.match( /^win/ );

if (isWin) {
    ifWin(response, files);
} else {
    ifMac(response, files);
}

}

function _upload(response, file) { var fileRootName = file.name.split('.').shift(), fileExtension = file.name.split('.').pop(), filePathBase = './public/upload/', fileRootNameWithBase = filePathBase + fileRootName, filePath = fileRootNameWithBase + '.' + fileExtension, fileID = 2, fileBuffer;

while (fs.existsSync(filePath)) {
    filePath = fileRootNameWithBase + '(' + fileID + ').' + fileExtension;
    console.log("myfilepath="+filePath);

    fileID += 1;
}

file.contents = file.contents.split(',').pop();

fileBuffer = new Buffer(file.contents, "base64");

console.log("file path="+filePath); fs.writeFileSync(filePath, fileBuffer); }

// this function uploads files function upload(response, postData) { var files = JSON.parse(postData);

// writing audio file to disk
_upload(response, files.audio);

if (files.uploadOnlyAudio) {
    response.statusCode = 200;
    response.writeHead(200, { 'Content-Type': 'application/json' });
    console.log("files.audio="+files.audio.name);
    response.end(files.audio.name);
}

if (!files.uploadOnlyAudio) {
    // writing video file to disk
    _upload(response, files.video);

    merge(response, files);
}

}

function hasMediaType(type) { var isHasMediaType = false; ['audio/wav', 'audio/ogg', 'video/webm', 'video/mp4'].forEach(function(t) { if(t===type) { isHasMediaType = true; } });

return isHasMediaType;

}

function serveStatic(response, pathname) {

var extension = pathname.split('.').pop(),
    extensionTypes = {
        'js': 'application/javascript',
        'webm': 'video/webm',
        'mp4': 'video/mp4',
        'wav': 'audio/wav',
        'ogg': 'audio/ogg',
        'gif': 'image/gif'
    };

response.writeHead(200, {
    'Content-Type': extensionTypes[extension]
});
if (hasMediaType(extensionTypes[extension]))
    {
    response.end(fs.readFileSync('.' + pathname));
    }
else
    {
    response.end(fs.readFileSync('./static' + pathname));
    }
    }

exports.home = home; exports.upload = upload; exports.serveStatic = serveStatic;

end of handler.js

this is my merger.bat file code @echo off "C:\ffmpeg\bin\ffmpeg.exe" -itsoffset -00:00:00 -i %1 -itsoffset -00:00:00 -i %2 %3

for %%a in (".webm") do ffmpeg -i "%%a" -c:v libx264 -preset slow -crf 20 -c:a libvo_aacenc -b:a 128k "C:\Users\Vistasoft\Desktop\KVApp_update\public\upload\%%~na.mp4" pause

end of merger.bat

now i want to get and save mp4 file help us as soon as email : rahul.vistasoft@gmail.com