native_client_sdk/src/examples/api/media_stream_video/example.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 var stream;
   6
   7 function success(s) {
   8   stream = s;
   9   common.naclModule.postMessage({
  10     command: 'init',
  11     track: stream.getVideoTracks()[0]
  12   });
  13 }
  14
  15 function failure(e) {
  16   common.logMessage("Error: " + e);
  17 }
  18
  19 function changeFormat(format) {
  20   common.naclModule.postMessage({command:'format', format: format});
  21 }
  22
  23 function changeSize(width, height) {
  24   common.naclModule.postMessage({command:'size', width: width, height: height});
  25 }
  26
  27 function moduleDidLoad() {
  28   navigator.webkitGetUserMedia({'video': true}, success, failure);
  29 }
  30
  31 function attachListeners() {
  32   document.getElementById('YV12').addEventListener(
  33       'click', function() { changeFormat('YV12'); });
  34   document.getElementById('I420').addEventListener(
  35       'click', function() { changeFormat('I420'); });
  36   document.getElementById('BGRA').addEventListener(
  37       'click', function() { changeFormat('BGRA'); });
  38   document.getElementById('DEFAULT').addEventListener(
  39       'click', function() { changeFormat('DEFAULT'); });
  40
  41   document.getElementById('S72X72').addEventListener(
  42       'click', function() { changeSize(72, 72); });
  43   document.getElementById('S640X360').addEventListener(
  44       'click', function() { changeSize(640, 360); });
  45   document.getElementById('S1280X720').addEventListener(
  46       'click', function() { changeSize(1280, 720); });
  47   document.getElementById('SDEFAULT').addEventListener(
  48       'click', function() { changeSize(0, 0); });
  49
  50 }