{
  "api": {
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        "support": {
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            "version_added": "59"
          },
          "chrome_android": {
            "version_added": true
          },
          "edge": {
            "version_added": "≤18"
          },
          "firefox": {
            "version_added": true
          },
          "firefox_android": {
            "version_added": true
          },
          "ie": {
            "version_added": null
          },
          "opera": {
            "version_added": "46"
          },
          "opera_android": {
            "version_added": "43"
          },
          "safari": {
            "version_added": null
          },
          "safari_ios": {
            "version_added": null
          },
          "samsunginternet_android": {
            "version_added": true
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          "webview_android": {
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          }
        },
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          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "aspectRatio": {
        "__compat": {
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          "support": {
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              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
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            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
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            },
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              "version_added": false
            },
            "opera": {
              "version_added": true
            },
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              "version_added": null
            },
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              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
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            },
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "autoGainControl": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/autoGainControl",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤79"
            },
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              {
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              },
              {
                "prefix": "moz",
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              }
            ],
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              {
                "version_added": "55"
              },
              {
                "prefix": "moz",
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              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "channelCount": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/channelCount",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
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            },
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "cursor": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/cursor",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": false
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            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "deviceId": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/deviceId",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
              "version_added": "≤79"
            },
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              "version_added": "36",
              "notes": "Prior to Firefox 69, Firefox only supported <code>deviceId</code> in constraints passed into <code>getUserMedia()</code>."
            },
            "firefox_android": {
              "version_added": "36",
              "notes": "Firefox for Android only supports <code>deviceId</code> when used in constraints passed into <code>getUserMedia()</code>."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
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              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
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              "version_added": "7.0"
            },
            "webview_android": {
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "displaySurface": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/displaySurface",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "echoCancellation": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/echoCancellation",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
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            },
            "firefox_android": {
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            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
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            },
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "facingMode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/facingMode",
          "support": {
            "chrome": {
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            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
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            },
            "firefox_android": {
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            },
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              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
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              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "frameRate": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/frameRate",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
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            },
            "opera": {
              "version_added": true
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              "version_added": null
            },
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              "version_added": null
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "groupId": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/groupId",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
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            },
            "firefox_android": {
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            },
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              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
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            },
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              "version_added": null
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            }
          },
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            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "height": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/height",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
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            },
            "firefox": {
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            },
            "firefox_android": {
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            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
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              "version_added": null
            },
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            },
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "latency": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/latency",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": "50"
            },
            "firefox_android": {
              "version_added": "50"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "7.0"
            },
            "webview_android": {
              "version_added": "59"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "logicalSurface": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/logicalSurface",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
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              "version_added": false
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            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "noiseSuppression": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/noiseSuppression",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤79"
            },
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                "version_added": "55"
              },
              {
                "prefix": "moz",
                "version_added": "46"
              }
            ],
            "firefox_android": [
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              },
              {
                "prefix": "moz",
                "version_added": "46"
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "sampleRate": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/sampleRate",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "7.0"
            },
            "webview_android": {
              "version_added": "59"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "sampleSize": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/sampleSize",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "7.0"
            },
            "webview_android": {
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "volume": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/volume",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
              "version_added": "≤79"
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            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
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            },
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "width": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/width",
          "support": {
            "chrome": {
              "version_added": "59"
            },
            "chrome_android": {
              "version_added": "59"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
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            },
            "firefox_android": {
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            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
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            },
            "webview_android": {
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            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}