{
  "api": {
    "SourceBuffer": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer",
        "spec_url": "https://w3c.github.io/media-source/#sourcebuffer",
        "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": "mirror",
          "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",
            "impl_url": "https://webkit.org/b/200147",
            "partial_implementation": true,
            "notes": "Exposed in Mobile Safari on iPad but not on iPhone."
          },
          "samsunginternet_android": [
            {
              "version_added": "3.0"
            },
            {
              "prefix": "WebKit",
              "version_added": "2.0",
              "version_removed": "3.0"
            }
          ],
          "webview_android": "mirror",
          "webview_ios": {
            "version_added": false
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "abort": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/abort",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-abort",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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": {
              "version_added": "2.0"
            },
            "webview_android": {
              "version_added": "4.4.3"
            },
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "abort_event": {
        "__compat": {
          "description": "<code>abort</code> event",
          "spec_url": [
            "https://w3c.github.io/media-source/#dfn-abort",
            "https://w3c.github.io/media-source/#dom-sourcebuffer-onabort"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "53"
              },
              {
                "version_added": "31",
                "version_removed": "53",
                "partial_implementation": true,
                "notes": "The <code>onabort</code> event handler property is not supported."
              }
            ],
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "12",
                "version_removed": "17",
                "partial_implementation": true,
                "notes": "The <code>onabort</code> event handler property is not supported."
              }
            ],
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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 <code>onabort</code> 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
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "appendBuffer": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/appendBuffer",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-appendbuffer",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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": {
              "version_added": "3.0"
            },
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "appendBufferAsync": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/appendBufferAsync",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "62",
              "flags": [
                {
                  "type": "preference",
                  "name": "media.mediasource.experimental.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "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": false,
            "deprecated": false
          }
        }
      },
      "appendWindowEnd": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/appendWindowEnd",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-appendwindowend",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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": {
              "version_added": "3.0"
            },
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "appendWindowStart": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/appendWindowStart",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-appendwindowstart",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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": {
              "version_added": "3.0"
            },
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "audioTracks": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/audioTracks",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-audiotracks",
          "support": {
            "chrome": {
              "version_added": "70",
              "flags": [
                {
                  "type": "preference",
                  "name": "#enable-experimental-web-platform-features",
                  "value_to_set": "Enabled"
                }
              ]
            },
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "79",
                "flags": [
                  {
                    "type": "preference",
                    "name": "enable-experimental-web-platform-features",
                    "value_to_set": "enabled"
                  }
                ]
              },
              {
                "version_added": "12",
                "version_removed": "79"
              }
            ],
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "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": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108",
                "flags": [
                  {
                    "type": "preference",
                    "name": "#enable-experimental-web-platform-features",
                    "value_to_set": "Enabled"
                  }
                ],
                "notes": "Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see <a href='https://crbug.com/487288#c24'>bug 487288</a>)."
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "buffered": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/buffered",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-buffered",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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": {
              "version_added": "3.0"
            },
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "changeType": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/changeType",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-changetype",
          "support": {
            "chrome": {
              "version_added": "70"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "63"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "12.1"
            },
            "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
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "error_event": {
        "__compat": {
          "description": "<code>error</code> event",
          "spec_url": [
            "https://w3c.github.io/media-source/#dfn-error",
            "https://w3c.github.io/media-source/#dom-sourcebuffer-onerror"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "53"
              },
              {
                "version_added": "31",
                "version_removed": "53",
                "partial_implementation": true,
                "notes": "The <code>onerror</code> event handler property is not supported."
              }
            ],
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "12",
                "version_removed": "17",
                "partial_implementation": true,
                "notes": "The <code>onerror</code> event handler property is not supported."
              }
            ],
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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 <code>onerror</code> 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
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "mode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/mode",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-mode",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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": {
              "version_added": "3.0"
            },
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "remove": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/remove",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-remove",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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": {
              "version_added": "3.0"
            },
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "removeAsync": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/removeAsync",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "62",
              "flags": [
                {
                  "type": "preference",
                  "name": "media.mediasource.experimental.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "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": false,
            "deprecated": false
          }
        }
      },
      "textTracks": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/textTracks",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-texttracks",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "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": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "timestampOffset": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/timestampOffset",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-timestampoffset",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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": {
              "version_added": "3.0"
            },
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "update_event": {
        "__compat": {
          "description": "<code>update</code> event",
          "spec_url": [
            "https://w3c.github.io/media-source/#dfn-update",
            "https://w3c.github.io/media-source/#dom-sourcebuffer-onupdate"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "53"
              },
              {
                "version_added": "31",
                "version_removed": "53",
                "partial_implementation": true,
                "notes": "The <code>onupdate</code> event handler property is not supported."
              }
            ],
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "12",
                "version_removed": "17",
                "partial_implementation": true,
                "notes": "The <code>onupdate</code> event handler property is not supported."
              }
            ],
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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 <code>onupdate</code> 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
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "updateend_event": {
        "__compat": {
          "description": "<code>updateend</code> event",
          "spec_url": [
            "https://w3c.github.io/media-source/#dfn-updateend",
            "https://w3c.github.io/media-source/#dom-sourcebuffer-onupdateend"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "53"
              },
              {
                "version_added": "31",
                "version_removed": "53",
                "partial_implementation": true,
                "notes": "The <code>onupdateend</code> event handler property is not supported."
              }
            ],
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "12",
                "version_removed": "17",
                "partial_implementation": true,
                "notes": "The <code>onupdateend</code> event handler property is not supported."
              }
            ],
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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 <code>onupdateend</code> 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
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "updatestart_event": {
        "__compat": {
          "description": "<code>updatestart</code> event",
          "spec_url": [
            "https://w3c.github.io/media-source/#dfn-updatestart",
            "https://w3c.github.io/media-source/#dom-sourcebuffer-onupdatestart"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "53"
              },
              {
                "version_added": "31",
                "version_removed": "53",
                "partial_implementation": true,
                "notes": "The <code>onupdatestart</code> event handler property is not supported."
              }
            ],
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "12",
                "version_removed": "17",
                "partial_implementation": true,
                "notes": "The <code>onupdatestart</code> event handler property is not supported."
              }
            ],
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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 <code>onupdatestart</code> 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
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "updating": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/updating",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-updating",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "42"
            },
            "firefox_android": "mirror",
            "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": {
              "version_added": "3.0"
            },
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      },
      "videoTracks": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SourceBuffer/videoTracks",
          "spec_url": "https://w3c.github.io/media-source/#dom-sourcebuffer-videotracks",
          "support": {
            "chrome": {
              "version_added": "70",
              "flags": [
                {
                  "type": "preference",
                  "name": "#enable-experimental-web-platform-features",
                  "value_to_set": "Enabled"
                }
              ]
            },
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "79",
                "flags": [
                  {
                    "type": "preference",
                    "name": "enable-experimental-web-platform-features",
                    "value_to_set": "enabled"
                  }
                ]
              },
              {
                "version_added": "12",
                "version_removed": "79"
              }
            ],
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "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": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "worker_support": {
          "__compat": {
            "description": "Available in workers",
            "support": {
              "chrome": {
                "version_added": "108",
                "flags": [
                  {
                    "type": "preference",
                    "name": "#enable-experimental-web-platform-features",
                    "value_to_set": "Enabled"
                  }
                ],
                "notes": "Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see <a href='https://crbug.com/487288#c24'>bug 487288</a>)."
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "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
            }
          }
        }
      }
    }
  }
}