coremob-tests/tests/audio-multi/test.js at 4a373e0295124a0cb02b50c78171ddbf562175ea · coremob/coremob-tests · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
asyncTest("Audio: Multiple Playback", function( async ) {
  var type,
      dead = false,
      tick = 0,
      codecs = {
        "mp3": 'audio/mpeg; codecs="mp3"',
        "ogg": 'audio/ogg; codecs="vorbis"',
        "wav": 'audio/wav; codecs="1"',
        "aac": 'audio/mp4; codecs="mp4a.40.2"'
      },
      audios = [
        new Audio(),
        new Audio()
      ];

  type = Object.keys( codecs ).filter(function( ext ) {
    return (/probably|maybe/).test( audios[ 0 ].canPlayType( codecs[ ext ] ) );
  })[ 0 ];

  audios[ 0 ].src = "/tests/audio-multi/amp." + type;
  audios[ 1 ].src = "/tests/audio-multi/chirp." + type;

  async.step(function() {
    audios.forEach(function( audio ) {
      audio.addEventListener( "playing", function() {
        tick++;

        if ( tick === 2 && !dead ) {
          async.step(function() {
            assert( true, "Multiple audio playback supported (used: " + type + ")" );
            dead = true;
            async.done();
          });
        }
      }, false );

      audio.addEventListener( "loadeddata", function() {
        audio.play();
        audio.volume = 0;
        audio.muted = true;
      }, false );
    });

    setTimeout(function() {
      if ( !dead ) {
        async.step(function() {
          assert( false, "Browser failed to load audio" );
          dead = true;
          async.done();
        });
      }
    }, 5000);
  });
});