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Implement srcObject logic for Blob media providers
This commit is contained in:
Fernando Jiménez Moreno
parent
3c27dc993d
commit
d15640081c
4 changed files with 115 additions and 14 deletions
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@ -17,13 +17,15 @@ use crate::dom::bindings::codegen::Bindings::MediaErrorBinding::MediaErrorMethod
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use crate::dom::bindings::codegen::Bindings::TextTrackBinding::{TextTrackKind, TextTrackMode};
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use crate::dom::bindings::codegen::InheritTypes::{ElementTypeId, HTMLElementTypeId};
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use crate::dom::bindings::codegen::InheritTypes::{HTMLMediaElementTypeId, NodeTypeId};
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use crate::dom::bindings::codegen::UnionTypes::VideoTrackOrAudioTrackOrTextTrack;
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use crate::dom::bindings::codegen::UnionTypes::{
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MediaStreamOrBlob, VideoTrackOrAudioTrackOrTextTrack,
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};
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use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::num::Finite;
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use crate::dom::bindings::refcounted::Trusted;
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use crate::dom::bindings::reflector::DomObject;
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use crate::dom::bindings::root::{DomRoot, LayoutDom, MutNullableDom};
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use crate::dom::bindings::root::{Dom, DomRoot, LayoutDom, MutNullableDom};
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use crate::dom::bindings::str::{DOMString, USVString};
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use crate::dom::blob::Blob;
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use crate::dom::document::Document;
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@ -35,6 +37,7 @@ use crate::dom::htmlelement::HTMLElement;
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use crate::dom::htmlsourceelement::HTMLSourceElement;
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use crate::dom::htmlvideoelement::HTMLVideoElement;
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use crate::dom::mediaerror::MediaError;
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use crate::dom::mediastream::MediaStream;
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use crate::dom::node::{document_from_node, window_from_node, Node, NodeDamage, UnbindContext};
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use crate::dom::performanceresourcetiming::InitiatorType;
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use crate::dom::promise::Promise;
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@ -42,6 +45,7 @@ use crate::dom::texttrack::TextTrack;
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use crate::dom::texttracklist::TextTrackList;
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use crate::dom::timeranges::{TimeRanges, TimeRangesContainer};
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use crate::dom::trackevent::TrackEvent;
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use crate::dom::url::URL;
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use crate::dom::videotrack::VideoTrack;
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use crate::dom::videotracklist::VideoTrackList;
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use crate::dom::virtualmethods::VirtualMethods;
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@ -156,6 +160,25 @@ impl FrameRenderer for MediaFrameRenderer {
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}
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}
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#[must_root]
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#[derive(JSTraceable, MallocSizeOf)]
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enum SrcObject {
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MediaStream(Dom<MediaStream>),
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Blob(Dom<Blob>),
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}
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impl From<MediaStreamOrBlob> for SrcObject {
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#[allow(unrooted_must_root)]
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fn from(src_object: MediaStreamOrBlob) -> SrcObject {
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match src_object {
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MediaStreamOrBlob::Blob(blob) => SrcObject::Blob(Dom::from_ref(&*blob)),
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MediaStreamOrBlob::MediaStream(stream) => {
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SrcObject::MediaStream(Dom::from_ref(&*stream))
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},
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}
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}
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}
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#[dom_struct]
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pub struct HTMLMediaElement {
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htmlelement: HTMLElement,
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@ -164,7 +187,7 @@ pub struct HTMLMediaElement {
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/// <https://html.spec.whatwg.org/multipage/#dom-media-readystate>
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ready_state: Cell<ReadyState>,
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/// <https://html.spec.whatwg.org/multipage/#dom-media-srcobject>
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src_object: MutNullableDom<Blob>,
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src_object: DomRefCell<Option<SrcObject>>,
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/// <https://html.spec.whatwg.org/multipage/#dom-media-currentsrc>
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current_src: DomRefCell<String>,
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/// Incremented whenever tasks associated with this element are cancelled.
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@ -211,6 +234,9 @@ pub struct HTMLMediaElement {
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muted: Cell<bool>,
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/// URL of the media resource, if any.
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resource_url: DomRefCell<Option<ServoUrl>>,
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/// URL of the media resource, if the resource is set through the src_object attribute and it
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/// is a blob.
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blob_url: DomRefCell<Option<ServoUrl>>,
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/// https://html.spec.whatwg.org/multipage/#dom-media-played
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#[ignore_malloc_size_of = "Rc"]
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played: DomRefCell<TimeRangesContainer>,
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@ -280,6 +306,7 @@ impl HTMLMediaElement {
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volume: Cell::new(1.0),
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seeking: Cell::new(false),
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resource_url: DomRefCell::new(None),
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blob_url: DomRefCell::new(None),
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played: DomRefCell::new(TimeRangesContainer::new()),
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audio_tracks_list: Default::default(),
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video_tracks_list: Default::default(),
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@ -557,7 +584,7 @@ impl HTMLMediaElement {
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Children(DomRoot<HTMLSourceElement>),
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}
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fn mode(media: &HTMLMediaElement) -> Option<Mode> {
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if media.src_object.get().is_some() {
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if media.src_object.borrow().is_some() {
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return Some(Mode::Object);
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}
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if let Some(attr) = media
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@ -661,7 +688,7 @@ impl HTMLMediaElement {
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}
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fn fetch_request(&self, offset: Option<u64>) {
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if self.resource_url.borrow().is_none() {
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if self.resource_url.borrow().is_none() && self.blob_url.borrow().is_none() {
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eprintln!("Missing request url");
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self.queue_dedicated_media_source_failure_steps();
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return;
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@ -679,8 +706,12 @@ impl HTMLMediaElement {
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header::RANGE,
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HeaderValue::from_str(&format!("bytes={}-", offset.unwrap_or(0))).unwrap(),
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);
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let url = match self.resource_url.borrow().as_ref() {
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Some(url) => url.clone(),
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None => self.blob_url.borrow().as_ref().unwrap().clone(),
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};
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let request = RequestInit {
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url: self.resource_url.borrow().as_ref().unwrap().clone(),
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url: url.clone(),
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headers,
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destination,
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credentials_mode: CredentialsMode::Include,
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@ -700,7 +731,7 @@ impl HTMLMediaElement {
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*current_fetch_context = Some(fetch_context);
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let fetch_listener = Arc::new(Mutex::new(HTMLMediaElementFetchListener::new(
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self,
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self.resource_url.borrow().as_ref().unwrap().clone(),
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url.clone(),
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offset.unwrap_or(0),
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)));
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let (action_sender, action_receiver) = ipc::channel().unwrap();
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@ -788,8 +819,19 @@ impl HTMLMediaElement {
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self.fetch_request(None);
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},
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Resource::Object => {
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// FIXME(nox): Actually do something with the object.
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self.queue_dedicated_media_source_failure_steps();
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if let Some(ref src_object) = *self.src_object.borrow() {
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match src_object {
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SrcObject::Blob(blob) => {
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let blob_url = URL::CreateObjectURL(&self.global(), &*blob);
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*self.blob_url.borrow_mut() =
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Some(ServoUrl::parse(&blob_url).expect("infallible"));
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self.fetch_request(None);
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},
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SrcObject::MediaStream(_) => {
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self.queue_dedicated_media_source_failure_steps();
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},
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}
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}
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},
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}
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}
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@ -1550,13 +1592,21 @@ impl HTMLMediaElementMethods for HTMLMediaElement {
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}
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// https://html.spec.whatwg.org/multipage/#dom-media-srcobject
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fn GetSrcObject(&self) -> Option<DomRoot<Blob>> {
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self.src_object.get()
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fn GetSrcObject(&self) -> Option<MediaStreamOrBlob> {
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match *self.src_object.borrow() {
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Some(ref src_object) => Some(match src_object {
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SrcObject::Blob(blob) => MediaStreamOrBlob::Blob(DomRoot::from_ref(&*blob)),
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SrcObject::MediaStream(stream) => {
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MediaStreamOrBlob::MediaStream(DomRoot::from_ref(&*stream))
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},
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}),
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None => None,
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-media-srcobject
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fn SetSrcObject(&self, value: Option<&Blob>) {
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self.src_object.set(value);
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fn SetSrcObject(&self, value: Option<MediaStreamOrBlob>) {
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*self.src_object.borrow_mut() = value.map(|value| value.into());
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self.media_element_load_algorithm();
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}
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@ -5,7 +5,7 @@
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// https://html.spec.whatwg.org/multipage/#htmlmediaelement
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enum CanPlayTypeResult { "" /* empty string */, "maybe", "probably" };
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typedef /* (MediaStream or MediaSource or */ Blob /* ) */ MediaProvider;
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typedef (MediaStream /*or MediaSource */ or Blob) MediaProvider;
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[Abstract]
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interface HTMLMediaElement : HTMLElement {
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