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Issue 1977513004: Adds multiple forms of MediaStreamTrack constraints (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Addressed Tommi's comments Created 4 years, 6 months ago
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1 <!DOCTYPE HTML> 1 <!DOCTYPE HTML>
2 <html> 2 <html>
3 <head> 3 <head>
4 <script src="../../resources/testharness.js"></script> 4 <script src="../../resources/testharness.js"></script>
5 <script src="../../resources/testharnessreport.js"></script> 5 <script src="../../resources/testharnessreport.js"></script>
6 </head> 6 </head>
7 <body> 7 <body>
8 <script> 8 <script>
9 9
10 // If a constraint is specified, it should come back in getConstraints(). 10 // If a constraint is specified, it should come back in getConstraints().
(...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after
52 } 52 }
53 53
54 promise_test(function() { 54 promise_test(function() {
55 // We construct a constraint set that covers all defined constraints. 55 // We construct a constraint set that covers all defined constraints.
56 // All these constraints make sense for video. 56 // All these constraints make sense for video.
57 const complexConstraintSet = { 57 const complexConstraintSet = {
58 width: { min: 30, max: 480 }, 58 width: { min: 30, max: 480 },
59 height: { min: 30, max: 480, exact: 350 }, 59 height: { min: 30, max: 480, exact: 350 },
60 aspectRatio: { ideal: 1.3333333, exact: 1.4444 }, 60 aspectRatio: { ideal: 1.3333333, exact: 1.4444 },
61 frameRate: { exact: 30.0 }, 61 frameRate: { exact: 30.0 },
62 facingMode: { ideal: [ "user" ] } 62 facingMode: { exact: "user" }
63 }; 63 };
64 // These constraints are syntactically valid, but may cause rejection. 64 // These constraints are syntactically valid, but may cause rejection.
65 // They are included in an "advanced" constraint. 65 // They are included in an "advanced" constraint.
66 const ignorableConstraintSet = { 66 const ignorableConstraintSet = {
67 volume: { exact: 1.0 }, 67 volume: { exact: 1.0 },
68 sampleRate: { exact: 42 }, 68 sampleRate: { exact: 42 },
69 sampleSize: { exact: 3 }, 69 sampleSize: { exact: 3 },
70 echoCancellation: { exact: false }, 70 echoCancellation: { exact: false },
71 latency: { exact: 0.22 }, 71 latency: { exact: 0.22 },
72 channelCount: { exact: 2 }, 72 channelCount: { exact: 2 },
73 deviceId: { exact: ["foo"] }, 73 deviceId: { exact: ["foo", "fooz"] },
74 groupId: { exact: ["bar"] } 74 groupId: { exact: ["bar", "baz"] }
75 }; 75 };
76 let complexConstraints = complexConstraintSet; 76 let complexConstraints = complexConstraintSet;
77 complexConstraints.advanced = [ ignorableConstraintSet ]; 77 complexConstraints.advanced = [ ignorableConstraintSet ];
78 78
79 return navigator.mediaDevices.getUserMedia({video: complexConstraints}) 79 return navigator.mediaDevices.getUserMedia({video: complexConstraints})
80 .then(function(s) { 80 .then(function(s) {
81 constraints = s.getVideoTracks()[0].getConstraints(); 81 constraints = s.getVideoTracks()[0].getConstraints();
82 assert_true(constraintElementsEqual(constraints, complexConstraints), 82 assert_true(constraintElementsEqual(constraints, complexConstraints),
83 "Unexpected result:" + JSON.stringify(constraints, null, 2)); 83 "Unexpected result: In: " + JSON.stringify(complexConstraints, null, 2) +
84 " Out: " + JSON.stringify(constraints, null, 2));
84 }); 85 });
85 }, 'All valid keys are returned for complex constraints'); 86 }, 'All valid keys are returned for complex constraints');
86 87
88 // Syntax tests for constraints.
89
90 function constraintSyntaxTestWithChange(name, constraints, expected_result) {
91 promise_test(function() {
92 return navigator.mediaDevices.getUserMedia(
93 {'video': { 'advanced': [ constraints ]}})
94 .then(function(s) {
95 var constraints_out = s.getVideoTracks()[0].getConstraints().advanced[ 0];
96 assert_true(constraintElementsEqual(expected_result, constraints_out),
97 "Unexpected result: Expected: " +
98 JSON.stringify(expected_result, null, 2) +
99 " Out: " + JSON.stringify(constraints_out, null, 2));
100 })
101 }, name);
102 }
103
104 function constraintSyntaxTest(name, constraints) {
105 constraintSyntaxTestWithChange(name, constraints, constraints);
106 }
107
108 constraintSyntaxTest('Simple integer', { height: 42 });
109 constraintSyntaxTest('Exact integer', { height: { exact: 42 }});
110 constraintSyntaxTest('Min/max integer', { height: { min: 42, max: 43 }});
111 constraintSyntaxTestWithChange('Ideal unwrapped integer',
112 { height: { ideal: 42 } }, { height: 42 });
113
114 constraintSyntaxTest('Simple double', { aspectRatio: 1.5 });
115 constraintSyntaxTest('Exact double', { aspectRatio: { exact: 1.5 }});
116 constraintSyntaxTest('Min/max double', { aspectRatio: { min: 1.5, max: 2.0 }});
117 constraintSyntaxTestWithChange('Ideal unwrapped double',
118 { aspectRatio: { ideal: 1.5 } }, { aspectRatio: 1.5 });
119
120 constraintSyntaxTest('Simple String', { facingMode: "user1" });
121 constraintSyntaxTest('Exact String', { facingMode: { exact: "user2" }});
122 constraintSyntaxTest('Multiple String in Brackets', { facingMode: { exact: ["use r3", "left3"]}});
123 constraintSyntaxTest('Multiple Bracketed Naked String', { facingMode: ["user4", "left4"] });
124 constraintSyntaxTestWithChange('Single Bracketed string unwrapped',
125 { 'facingMode': ["user5"]}, { facingMode: "user5" });
126 constraintSyntaxTest('Both Ideal and Exact string', { facingMode: { ideal: "user 6", exact: "left6" }});
127
128 constraintSyntaxTest('Simple boolean', { echoCancellation: true });
129 constraintSyntaxTest('Exact boolean', { echoCancellation: { exact: true }});
130 constraintSyntaxTestWithChange('Ideal unwrapped boolean',
131 { echoCancellation: { ideal: true } }, { echoCancellation: true });
132
87 </script> 133 </script>
88 </body> 134 </body>
89 </html> 135 </html>
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