third_party/WebKit/LayoutTests/webaudio/audioparam-setTargetAtTime.html - Issue 1377903002: Use frames instead of time for running AudioParam timelines.

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Issue 1377903002: Use frames instead of time for running AudioParam timelines. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years, 2 months ago

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1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">	1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

2 <html>	2 <html>

3 <head>	3 <head>

4 <script src="resources/compatibility.js"></script>	4 <script src="resources/compatibility.js"></script>

5 <script src="resources/audio-testing.js"></script>	5 <script src="resources/audio-testing.js"></script>

6 <script src="resources/audioparam-testing.js"></script>	6 <script src="resources/audioparam-testing.js"></script>

7 <script src="../resources/js-test.js"></script>	7 <script src="../resources/js-test.js"></script>

	8 <title>Test AudioParam.setTargetAtTime</title>

8 </head>	9 </head>

9	10

10 <body>	11 <body>

11 <div id="description"></div>	12 <div id="description"></div>

12 <div id="console"></div>	13 <div id="console"></div>

13	14

14 <script>	15 <script>

15 description("Test AudioParam setTargetAtTime() functionality.");	16 description("Test AudioParam setTargetAtTime() functionality.");

16	17

17 // Play a long DC signal out through an AudioGainNode, and call setValueAtTime() and	18 // Play a long DC signal out through an AudioGainNode, and call setValueAtTime() and

18 // setTargetAtTime at regular intervals to set the starting value and the target	19 // setTargetAtTime at regular intervals to set the starting value and the target

19 // value. Each time interval has a ramp with a different starting and target val ue so that	20 // value. Each time interval has a ramp with a different starting and target val ue so that

20 // there is a discontinuity at each time interval boundary. The discontinuity i s for testing	21 // there is a discontinuity at each time interval boundary. The discontinuity i s for testing

21 // timing. Also, we alternate between an increasing and decreasing ramp for eac h interval.	22 // timing. Also, we alternate between an increasing and decreasing ramp for eac h interval.

22	23

23 // Number of tests to run.	24 // Number of tests to run.

24 var numberOfTests = 100;	25 var numberOfTests = 100;

25	26

26 // Max allowed difference between the rendered data and the expected result.	27 // Max allowed difference between the rendered data and the expected result.

27 var maxAllowedError = 3.9e-5;	28 var maxAllowedError = 6.273e-7;

28	29

29 // The AudioGainNode starts with this value instead of the default value.	30 // The AudioGainNode starts with this value instead of the default value.

30 var initialValue = 100;	31 var initialValue = 100;

31	32

32 // Set the gain node value to the specified value at the specified time.	33 // Set the gain node value to the specified value at the specified time.

33 function setValue(value, time)	34 function setValue(value, time)

34 {	35 {

35 gainNode.gain.setValueAtTime(value, time);	36 gainNode.gain.setValueAtTime(value, time);

36 }	37 }

37	38

(...skipping 15 matching lines...) Expand all Loading...
53 createExponentialApproachArray);	54 createExponentialApproachArray);

54 }	55 }

55	56

56 runTest();	57 runTest();

57 successfullyParsed = true;	58 successfullyParsed = true;

58	59

59 </script>	60 </script>

60	61

61 </body>	62 </body>

62 </html>	63 </html>

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