| <!DOCTYPE html> |
| <html> |
| <head> |
| <!-- Image Capture Browser Test --> |
| </head> |
| <body> |
| <script type="text/javascript" src="webrtc_test_utilities.js"></script> |
| <script> |
| const WIDTH = 640; |
| /** @const */ var CONSTRAINTS = { width: { max : WIDTH } }; |
| |
| // Returns a Promise resolved with |object| after a delay of |delayInMs|. |
| function delayedResolver(object, delayInMs) { |
| return new Promise((resolve, reject) => { |
| setTimeout(() => { resolve(object); }, delayInMs); |
| }); |
| } |
| |
| // Runs an ImageCapture.getPhotoCapabilities() and expects it to succeed. |
| function testCreateAndGetPhotoCapabilitiesSucceeds() { |
| navigator.mediaDevices.getUserMedia({"video" : CONSTRAINTS}) |
| .then(stream => { |
| assertEquals('video', stream.getVideoTracks()[0].kind); |
| return new ImageCapture(stream.getVideoTracks()[0]); |
| }) |
| .then(capturer => { |
| return capturer.getPhotoCapabilities(); |
| }) |
| .then(capabilities => { |
| // There's nothing to check here since |capabilities| vary per device. |
| reportTestSuccess(); |
| }) |
| .catch(err => { |
| return failTest(err.toString()); |
| }); |
| } |
| |
| // Runs an ImageCapture.getPhotoSettings() and expects it to succeed. |
| function testCreateAndGetPhotoSettingsSucceeds() { |
| navigator.mediaDevices.getUserMedia({"video" : CONSTRAINTS}) |
| .then(stream => { |
| assertEquals('video', stream.getVideoTracks()[0].kind); |
| return new ImageCapture(stream.getVideoTracks()[0]); |
| }) |
| .then(capturer => { |
| return capturer.getPhotoSettings(); |
| }) |
| .then(settings => { |
| // There's nothing to check here since |settings| vary per device. |
| reportTestSuccess(); |
| }) |
| .catch(err => { |
| return failTest(err.toString()); |
| }); |
| } |
| |
| // Runs an ImageCapture.takePhoto() and expects it to succeed. |
| function testCreateAndTakePhotoSucceeds() { |
| navigator.mediaDevices.getUserMedia({"video" : CONSTRAINTS}) |
| .then(stream => { |
| assertEquals('video', stream.getVideoTracks()[0].kind); |
| return new ImageCapture(stream.getVideoTracks()[0]); |
| }) |
| .then(capturer => { |
| return capturer.takePhoto(); |
| }) |
| .then(blob => { |
| assertTrue(blob.type != undefined); |
| assertNotEquals(0, blob.size); |
| |
| reportTestSuccess(); |
| }) |
| .catch(err => { |
| return failTest(err.toString()); |
| }); |
| } |
| |
| // Runs an ImageCapture.takePhoto() and expects it to get rejected. |
| function testCreateAndTakePhotoIsRejected() { |
| navigator.mediaDevices.getUserMedia({"video" : CONSTRAINTS}) |
| .then(stream => { |
| assertEquals('video', stream.getVideoTracks()[0].kind); |
| return new ImageCapture(stream.getVideoTracks()[0]); |
| }) |
| .then(capturer => { |
| return capturer.takePhoto(); |
| }) |
| .then(blob => { |
| failTest('Expected promise to get rejected but it was fulfilled'); |
| }, err => { |
| reportTestSuccess(); |
| }) |
| .catch(err => { |
| return failTest(err.toString()); |
| }); |
| } |
| |
| // Runs an ImageCapture.grabFrame() and expects it to succeed. |
| function testCreateAndGrabFrameSucceeds() { |
| navigator.mediaDevices.getUserMedia({"video" : CONSTRAINTS}) |
| .then(stream => { |
| assertEquals('video', stream.getVideoTracks()[0].kind); |
| return new ImageCapture(stream.getVideoTracks()[0]); |
| }) |
| .then(capturer => { |
| return capturer.grabFrame(); |
| }) |
| .then(imageBitmap => { |
| // On Android, depending on the device orientation, |imageBitmap| might |
| // appear rotated. |
| assertTrue(WIDTH == imageBitmap.width || WIDTH == imageBitmap.height); |
| |
| reportTestSuccess(); |
| }) |
| .catch(err => { |
| return failTest(err.toString()); |
| }); |
| } |
| |
| // Runs a MediaStreamTrack.getCapabilities(). |
| function testCreateAndGetTrackCapabilities() { |
| var imageCapturer; |
| navigator.mediaDevices.getUserMedia({"video" : CONSTRAINTS}) |
| .then(stream => { |
| assertEquals('video', stream.getVideoTracks()[0].kind); |
| return new ImageCapture(stream.getVideoTracks()[0]); |
| }) |
| .then(capturer => { |
| imageCapturer = capturer; |
| // TODO(mcasas): Before accesing synchronous track APIs we need a delay, |
| // use instead a round trip of capabilities: https://crbug.com/711524. |
| return capturer.getPhotoCapabilities(); |
| }) |
| .then(capabilities => { |
| imageCapturer.track.getCapabilities(); |
| // There's nothing to check here since |capabilities| vary per device. |
| reportTestSuccess(); |
| }) |
| .catch(err => { |
| return failTest(err.toString()); |
| }); |
| } |
| |
| // Runs an MediaStreamTrack.getSettings(). |
| function testCreateAndGetTrackSettings() { |
| var imageCapturer; |
| navigator.mediaDevices.getUserMedia({"video" : CONSTRAINTS}) |
| .then(stream => { |
| assertEquals('video', stream.getVideoTracks()[0].kind); |
| return new ImageCapture(stream.getVideoTracks()[0]); |
| }) |
| .then(capturer => { |
| imageCapturer = capturer; |
| // TODO(mcasas): Before accesing synchronous track APIs we need a delay, |
| // use instead a round trip of capabilities: https://crbug.com/711524. |
| return capturer.getPhotoCapabilities(); |
| }) |
| .then(capabilities => { |
| imageCapturer.track.getSettings(); |
| // There's nothing to check here since |settings| vary per device. |
| reportTestSuccess(); |
| }) |
| .catch(err => { |
| return failTest(err.toString()); |
| }); |
| } |
| |
| // Tries to read, set and read back the zoom capability if available. |
| function testManipulateZoom() { |
| var newZoom = -1; |
| var imageCapturer; |
| var zoomTolerance; |
| navigator.mediaDevices.getUserMedia({"video" : CONSTRAINTS}) |
| .then(stream => { |
| assertEquals('video', stream.getVideoTracks()[0].kind); |
| return new ImageCapture(stream.getVideoTracks()[0]); |
| }) |
| .then(capturer => { |
| imageCapturer = capturer; |
| // TODO(mcasas): Before accesing synchronous track APIs we need a delay, |
| // use instead a round trip of capabilities: https://crbug.com/711524. |
| return capturer.getPhotoCapabilities(); |
| }) |
| .then(capabilities => { |
| const trackCapabilities = imageCapturer.track.getCapabilities(); |
| if (trackCapabilities.zoom === undefined) { |
| console.log('zoom not supported, skipping test'); |
| reportTestSuccess(); |
| return; |
| } |
| |
| const currentZoom = imageCapturer.track.getSettings().zoom; |
| newZoom = currentZoom + trackCapabilities.zoom.step; |
| newZoom = Math.min(newZoom, trackCapabilities.zoom.max); |
| console.log("Setting zoom from " + currentZoom + " to " + newZoom); |
| zoomTolerance = trackCapabilities.zoom.step / 10; |
| |
| return imageCapturer.track.applyConstraints({advanced : [{zoom : newZoom}]}); |
| }) |
| .then(() => { |
| assertEquals(newZoom, |
| imageCapturer.track.getConstraints().advanced[0].zoom); |
| assertTrue(Math.abs(newZoom - imageCapturer.track.getSettings().zoom) |
| < zoomTolerance); |
| reportTestSuccess(); |
| }) |
| .catch(err => { |
| return failTest(err.toString()); |
| }); |
| } |
| |
| </script> |
| </body> |
| </html> |
