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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src=../../resources/testharness.js></script> |
| 3 <script src=../../resources/testharnessreport.js></script> |
| 4 <script src=../../resources/testharness-helpers.js></script> |
| 5 <script> |
| 6 |
| 7 // This test verifies that ImageCapture can be created (or not) with different |
| 8 // Media Stream Track types (audio, video). The simplest API method grabFrame() |
| 9 // is also exercised here. |
| 10 |
| 11 var test = async_test('exercises the ImageCapture API creation and grabFrame().'
); |
| 12 |
| 13 gotStream = test.step_func(function(stream) { |
| 14 assert_equals(stream.getAudioTracks().length, 1); |
| 15 assert_equals(stream.getVideoTracks().length, 1); |
| 16 assert_throws("NotSupportedError", |
| 17 function() { |
| 18 capturer = new ImageCapture(stream.getAudioTracks()[0]); |
| 19 }, |
| 20 'an ImageCapturer can only be created from a video track'); |
| 21 |
| 22 assert_equals(stream.getVideoTracks()[0].readyState, 'live'); |
| 23 assert_true(stream.getVideoTracks()[0].enabled); |
| 24 assert_false(stream.getVideoTracks()[0].muted); |
| 25 capturer = new ImageCapture(stream.getVideoTracks()[0]); |
| 26 |
| 27 assert_equals(capturer.videoStreamTrack, stream.getVideoTracks()[0]); |
| 28 |
| 29 // TODO(mcasas): Remove this assert after the method is implemented, and |
| 30 // substitute with something more relevant. |
| 31 stream.getVideoTracks()[0].enabled = true; |
| 32 assert_promise_rejects(capturer.grabFrame(), |
| 33 'NotSupportedError', |
| 34 'ImageCapturer grabFrame() is not implemented'); |
| 35 |
| 36 // Assert that grabFrame() is rejected if the associated video track is |
| 37 // disabled, or ended. grabFrame() would also reject if the video Track is |
| 38 // muted but that's a read-only property. |
| 39 stream.getVideoTracks()[0].enabled = false; |
| 40 assert_promise_rejects(capturer.grabFrame(), |
| 41 'InvalidStateError', |
| 42 'ImageCapturer cannot grabFrame() of a disabled Track
'); |
| 43 |
| 44 stream.getVideoTracks()[0].stop(); |
| 45 assert_equals(stream.getVideoTracks()[0].readyState, 'ended'); |
| 46 assert_promise_rejects(capturer.grabFrame(), |
| 47 'InvalidStateError', |
| 48 'ImageCapturer cannot grabFrame() of a non-live Track
'); |
| 49 |
| 50 test.done(); |
| 51 }); |
| 52 |
| 53 onError = test.step_func(function() { |
| 54 assert_unreached('Error creating MediaStream'); |
| 55 }); |
| 56 |
| 57 navigator.webkitGetUserMedia({video:true, audio:true}, gotStream, onError); |
| 58 |
| 59 </script> |
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Chromium Code Reviews
Issue 1890313002:
MediaStream Image Capture (1): idl and wireframe .h/.cpp/LayoutTest (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master