ready4testing

2015-11-02 13:46:34 +01:00
parent 08cd6febee
commit 39ab69f570
53 changed files with 23846 additions and 20 deletions
@@ -0,0 +1,161 @@
+/*globals require, module*/
+var cp = require('child_process'),
+  events = require('events'),
+  fs = require('fs'),
+  readline = require('readline'),
+  spawn = cp.spawn;
+
+function Mplayer(path){
+  this.childProc = null;
+  this.file = "";
+  this.rl = null;
+  this.playing = false;
+  this.volume = 100;
+  if(typeof path !== 'undefined')
+    this.setFile(path);
+
+  events.EventEmitter.call(this);
+
+  cp.exec('mplayer', function(err, stdout, stdin){
+    if(err)
+      throw new Error("Mplayer encountered an error or isn't installed.");
+  });
+}
+
+Object.setPrototypeOf(Mplayer.prototype, events.EventEmitter.prototype);
+
+Mplayer.prototype.play = function(opts) {
+  if(this.file !== null){
+    if(opts && opts.volume)
+      this.volume = opts.volume;
+    var args = ['-slave', '-quiet', '--volume='+this.volume, this.file],
+    that = this;
+
+    this.childProc = spawn('mplayer', args);
+    this.playing = true;
+
+    if(opts && opts.loop)
+      this.setLoop(opts.loop);
+
+    this.childProc.on('error', function(error){
+      that.emit('error');
+    });
+
+    this.childProc.on('exit', function(code, sig){
+      if(code === 0 && sig === null){
+        that.playing = false;
+        that.emit('end');
+      }
+    });
+
+    this.rl = readline.createInterface({
+      input: this.childProc.stdout,
+      output: this.childProc.stdin
+    });
+  }
+};
+
+Mplayer.prototype.checkPlaying = function(){
+  return this.playing;
+};
+
+Mplayer.prototype.quit = function() {
+  if(this.childProc !== null){
+    this.playing = false;
+    this.childProc.stdin.write('quit\n');
+  }
+};
+
+Mplayer.prototype.getPercentPosition = function(callback) {
+  if(this.childProc !== null){
+    this.rl.question("get_percent_pos\n", function(answer) {
+      callback(answer.split('=')[1]);
+    });
+  }
+};
+
+Mplayer.prototype.stop = function() {
+  if(this.childProc !== null){
+    this.childProc.stdin.write('stop\n');
+    this.playing = false;
+  }
+};
+
+
+Mplayer.prototype.pause = function() {
+  if(this.childProc !== null){
+    this.childProc.stdin.write('pause\n');
+  }
+};
+
+Mplayer.prototype.mute = function() {
+  if(this.childProc !== null){
+    this.childProc.stdin.write('mute\n');
+  }
+};
+
+Mplayer.prototype.setVolume = function(volume) {
+  if(this.childProc !== null){
+    this.volume = volume;
+    this.childProc.stdin.write('volume ' + volume + ' 1\n');
+  }
+};
+
+Mplayer.prototype.seek = function(sec) {
+  if(this.childProc !== null){
+    this.childProc.stdin.write('seek ' + sec + ' 2\n');
+  }
+};
+
+Mplayer.prototype.setLoop = function(times) {
+  if(this.childProc !== null){
+    this.childProc.stdin.write('loop ' + times + '\n');
+  }
+};
+
+Mplayer.prototype.setSpeed = function(speed) {
+  if(this.childProc !== null){
+    this.childProc.stdin.write('speed_set ' + speed + '\n');
+  }
+};
+
+Mplayer.prototype.setFile = function(path) {
+  if(this.childProc){
+    this.quit();
+  }
+  if(fs.existsSync(path))
+    this.file = path;
+  else
+    throw new Error("File '" + path + "' not found!");
+};
+
+Mplayer.prototype.getTimeLength = function(callback) {
+  if(this.childProc !== null){
+    this.rl.question("get_time_length\n", function(answer) {
+      callback(answer.split('=')[1]);
+    });
+  }
+};
+
+Mplayer.prototype.getTimePosition = function(callback) {
+  if(this.childProc !== null){
+    var that = this;
+    this.rl.question("get_time_pos\n", function(answer) {
+      var splittedAns = answer.split('=');
+
+      if (splittedAns[0]=='ANS_TIME_POSITION'){
+        callback(splittedAns[1]);
+      }
+      else{
+        // Try again :(
+        that.getTimePosition(callback);
+      }
+    });
+  }
+};
+
+Mplayer.prototype.getVolume = function(callback) {
+  return callback(this.volume);
+}
+
+module.exports = Mplayer;