{
  "api": {
    "MediaSource": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource",
        "spec_url": "https://w3c.github.io/media-source/#mediasource",
        "tags": [
          "web-features:media-source"
        ],
        "support": {
          "chrome": [
            {
              "version_added": "31"
            },
            {
              "prefix": "WebKit",
              "version_added": "23",
              "version_removed": "31"
            }
          ],
          "chrome_android": "mirror",
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "42"
          },
          "firefox_android": {
            "version_added": "41"
          },
          "ie": {
            "version_added": "11"
          },
          "oculus": "mirror",
          "opera": "mirror",
          "opera_android": "mirror",
          "safari": {
            "version_added": "8"
          },
          "safari_ios": {
            "version_added": "13",
            "impl_url": "https://webkit.org/b/200147",
            "partial_implementation": true,
            "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
          },
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "MediaSource": {
        "__compat": {
          "description": "`MediaSource()` constructor",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/MediaSource",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-constructor",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "31"
              },
              {
                "prefix": "WebKit",
                "version_added": "23",
                "version_removed": "31"
              }
            ],
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "15"
            },
            "opera_android": {
              "version_added": "14"
            },
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "worker_support": {
        "__compat": {
          "description": "Available in workers",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "108"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "activeSourceBuffers": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/activeSourceBuffers",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-activesourcebuffers",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3"
            },
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "addSourceBuffer": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/addSourceBuffer",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-addsourcebuffer",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3"
            },
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "canConstructInDedicatedWorker_static": {
        "__compat": {
          "description": "`canConstructInDedicatedWorker` static property",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/canConstructInDedicatedWorker_static",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-canconstructindedicatedworker",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "108"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "18"
            },
            "safari_ios": {
              "version_added": "18",
              "impl_url": "https://webkit.org/b/200147",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "clearLiveSeekableRange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/clearLiveSeekableRange",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-clearliveseekablerange",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "62"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "50"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "10.1"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "duration": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/duration",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-duration",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3"
            },
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "endOfStream": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/endOfStream",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-endofstream",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3"
            },
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "handle": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/handle",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-handle",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "108"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "18"
            },
            "safari_ios": {
              "version_added": "18",
              "impl_url": "https://webkit.org/b/200147",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "isTypeSupported_static": {
        "__compat": {
          "description": "`isTypeSupported()` static method",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/isTypeSupported_static",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-istypesupported",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "23",
              "notes": [
                "`codecs` string can contain any subset of optional parameters (should be all or none).",
                "Errors if `codecs` string contains unexpected characters (should evaluate string up to character)."
              ]
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12",
              "notes": [
                "`codecs` string can contain any subset of optional parameters (should be all or none).",
                "Errors if `codecs` string contains unexpected characters (should evaluate string up to character)."
              ]
            },
            "firefox": {
              "version_added": "42",
              "notes": "Before Firefox 101, `isTypeSupported()` ignored `codecs` parameter options for `av01` codecs (treating them as `av1`)."
            },
            "firefox_android": {
              "version_added": "41",
              "notes": "Before Firefox 101, `isTypeSupported()` ignored `codecs` parameter options for `av01` codecs (treating them as `av1`)."
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3",
              "notes": [
                "`codecs` string can contain any subset of optional parameters (should be all or none).",
                "Errors if `codecs` string contains unexpected characters (should evaluate string up to character)."
              ]
            },
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "readyState": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/readyState",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-readystate",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": {
              "version_added": "14"
            },
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "removeSourceBuffer": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/removeSourceBuffer",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-removesourcebuffer",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3"
            },
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "setLiveSeekableRange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/setLiveSeekableRange",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-setliveseekablerange",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "62"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "50"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "10.1"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "sourceBuffers": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/sourceBuffers",
          "spec_url": "https://w3c.github.io/media-source/#dom-mediasource-sourcebuffers",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3"
            },
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "sourceclose_event": {
        "__compat": {
          "description": "`sourceclose` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/sourceclose_event",
          "spec_url": "https://w3c.github.io/media-source/#dfn-sourceclose",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "53"
              },
              {
                "version_added": "31",
                "version_removed": "53",
                "partial_implementation": true,
                "notes": "The `onsourceclose` event handler property is not supported."
              }
            ],
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "12",
                "version_removed": "17",
                "partial_implementation": true,
                "notes": "The `onsourceclose` event handler property is not supported."
              }
            ],
            "firefox": [
              {
                "version_added": "87"
              },
              {
                "version_added": "42",
                "version_removed": "87",
                "partial_implementation": true,
                "notes": "The `onsourceclose` event handler property is not supported."
              }
            ],
            "firefox_android": [
              {
                "version_added": "87"
              },
              {
                "version_added": "41",
                "version_removed": "87",
                "partial_implementation": true,
                "notes": "The `onsourceclose` event handler property is not supported."
              }
            ],
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": [
              {
                "version_added": "10.1"
              },
              {
                "version_added": "8",
                "version_removed": "10.1",
                "partial_implementation": true,
                "notes": "The `onsourceclose` event handler property is not supported."
              }
            ],
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "sourceended_event": {
        "__compat": {
          "description": "`sourceended` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/sourceended_event",
          "spec_url": "https://w3c.github.io/media-source/#dfn-sourceended",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "53"
              },
              {
                "version_added": "31",
                "version_removed": "53",
                "partial_implementation": true,
                "notes": "The `onsourceended` event handler property is not supported."
              }
            ],
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "12",
                "version_removed": "17",
                "partial_implementation": true,
                "notes": "The `onsourceended` event handler property is not supported."
              }
            ],
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": [
              {
                "version_added": "10.1"
              },
              {
                "version_added": "8",
                "version_removed": "10.1",
                "partial_implementation": true,
                "notes": "The `onsourceended` event handler property is not supported."
              }
            ],
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": [
              {
                "version_added": "53"
              },
              {
                "version_added": "4.4.3",
                "version_removed": "53",
                "partial_implementation": true,
                "notes": "The `onsourceclose` event handler property is not supported."
              }
            ],
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "sourceopen_event": {
        "__compat": {
          "description": "`sourceopen` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSource/sourceopen_event",
          "spec_url": "https://w3c.github.io/media-source/#dfn-sourceopen",
          "tags": [
            "web-features:media-source"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "53"
              },
              {
                "version_added": "31",
                "version_removed": "53",
                "partial_implementation": true,
                "notes": "The `onsourceopen` event handler property is not supported."
              }
            ],
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "12",
                "version_removed": "17",
                "partial_implementation": true,
                "notes": "The `onsourceopen` event handler property is not supported."
              }
            ],
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "11",
              "notes": "Only works on Windows 8+."
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": [
              {
                "version_added": "10.1"
              },
              {
                "version_added": "8",
                "version_removed": "10.1",
                "partial_implementation": true,
                "notes": "The `onsourceopen` event handler property is not supported."
              }
            ],
            "safari_ios": {
              "version_added": "13",
              "partial_implementation": true,
              "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}