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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 function getConstraintsForDevice(deviceLabel) { | 5 function getConstraintsForDevice(deviceLabel) { |
6 return new Promise(function(resolve, reject) { | 6 return new Promise(function(resolve, reject) { |
7 navigator.mediaDevices.enumerateDevices() | 7 navigator.mediaDevices.enumerateDevices() |
8 .then(function(devices) { | 8 .then(function(devices) { |
9 for (var i = 0; i < devices.length; ++i) { | 9 for (var i = 0; i < devices.length; ++i) { |
10 if (deviceLabel == devices[i].label) { | 10 if (deviceLabel == devices[i].label) { |
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25 .then(function(constraints) { | 25 .then(function(constraints) { |
26 if (!constraints) | 26 if (!constraints) |
27 return reject("No fake device found"); | 27 return reject("No fake device found"); |
28 return navigator.mediaDevices.getUserMedia(constraints); | 28 return navigator.mediaDevices.getUserMedia(constraints); |
29 }).then(function(stream) { | 29 }).then(function(stream) { |
30 return resolve(stream); | 30 return resolve(stream); |
31 }); | 31 }); |
32 }); | 32 }); |
33 } | 33 } |
34 | 34 |
| 35 function getStreamOfVideoKind(constraint_kind) { |
| 36 var constraints = { |
| 37 video:{ |
| 38 videoKind: constraint_kind |
| 39 } |
| 40 } |
| 41 return navigator.mediaDevices.getUserMedia(constraints); |
| 42 } |
| 43 |
35 // Data is RGBA array data and could be used with different formats: | 44 // Data is RGBA array data and could be used with different formats: |
36 // e.g. Uint8Array, Uint8ClampedArray, Float32Array... | 45 // e.g. Uint8Array, Uint8ClampedArray, Float32Array... |
37 // Value at point (row, column) is calculated as | 46 // Value at point (row, column) is calculated as |
38 // (top_left_value + (row + column) * step) % wrap_around. wrap_around is 255 | 47 // (top_left_value + (row + column) * step) % wrap_around. wrap_around is 255 |
39 // (for Uint8) or 1.0 for float. See FakeVideoCaptureDevice for details. | 48 // (for Uint8) or 1.0 for float. See FakeVideoCaptureDevice for details. |
40 function verifyPixels( | 49 function verifyPixels( |
41 data, width, height, flip_y, step, wrap_around, tolerance, test_name) { | 50 data, width, height, flip_y, step, wrap_around, tolerance, test_name) { |
42 var rowsColumnsToCheck = [[1, 1], | 51 var rowsColumnsToCheck = [[1, 1], |
43 [0, width - 1], | 52 [0, width - 1], |
44 [height - 1, 0], | 53 [height - 1, 0], |
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96 if (Math.abs(calculated - data[i]) > tolerance) { | 105 if (Math.abs(calculated - data[i]) > tolerance) { |
97 return Promise.reject(test_name + ": reference value " + data[i] + | 106 return Promise.reject(test_name + ": reference value " + data[i] + |
98 " differs from calculated: " + calculated + | 107 " differs from calculated: " + calculated + |
99 " at index (row, column) " + i + " (" + row + ", " + column + | 108 " at index (row, column) " + i + " (" + row + ", " + column + |
100 "). TopLeft value:" + data[0] + ", step:" + step + ", flip_y:" + | 109 "). TopLeft value:" + data[0] + ", step:" + step + ", flip_y:" + |
101 flip_y); | 110 flip_y); |
102 } | 111 } |
103 } | 112 } |
104 return true; | 113 return true; |
105 } | 114 } |
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