зеркало из https://github.com/mozilla/gecko-dev.git
224 строки
7.8 KiB
Plaintext
224 строки
7.8 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* The origin of this IDL file is
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* http://www.whatwg.org/specs/web-apps/current-work/#media-elements
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*
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* © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
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* Opera Software ASA. You are granted a license to use, reproduce
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* and create derivative works of this document.
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*/
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interface HTMLMediaElement : HTMLElement {
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// error state
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readonly attribute MediaError? error;
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// network state
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[SetterThrows]
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attribute DOMString src;
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readonly attribute DOMString currentSrc;
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[SetterThrows]
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attribute DOMString? crossOrigin;
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const unsigned short NETWORK_EMPTY = 0;
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const unsigned short NETWORK_IDLE = 1;
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const unsigned short NETWORK_LOADING = 2;
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const unsigned short NETWORK_NO_SOURCE = 3;
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readonly attribute unsigned short networkState;
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[SetterThrows]
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attribute DOMString preload;
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[NewObject]
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readonly attribute TimeRanges buffered;
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void load();
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DOMString canPlayType(DOMString type);
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// ready state
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const unsigned short HAVE_NOTHING = 0;
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const unsigned short HAVE_METADATA = 1;
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const unsigned short HAVE_CURRENT_DATA = 2;
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const unsigned short HAVE_FUTURE_DATA = 3;
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const unsigned short HAVE_ENOUGH_DATA = 4;
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readonly attribute unsigned short readyState;
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readonly attribute boolean seeking;
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// playback state
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[SetterThrows]
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attribute double currentTime;
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[Throws]
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void fastSeek(double time);
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readonly attribute unrestricted double duration;
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[ChromeOnly]
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readonly attribute boolean isEncrypted;
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// TODO: Bug 847376 - readonly attribute any startDate;
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readonly attribute boolean paused;
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[SetterThrows]
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attribute double defaultPlaybackRate;
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[SetterThrows]
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attribute double playbackRate;
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[NewObject]
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readonly attribute TimeRanges played;
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[NewObject]
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readonly attribute TimeRanges seekable;
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readonly attribute boolean ended;
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[SetterThrows]
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attribute boolean autoplay;
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[SetterThrows]
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attribute boolean loop;
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[Throws]
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Promise<void> play();
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[Throws]
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void pause();
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// TODO: Bug 847377 - mediaGroup and MediaController
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// media controller
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// attribute DOMString mediaGroup;
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// attribute MediaController? controller;
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// controls
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[SetterThrows]
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attribute boolean controls;
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[SetterThrows]
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attribute double volume;
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attribute boolean muted;
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[SetterThrows]
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attribute boolean defaultMuted;
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// TODO: Bug 847379
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// tracks
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[Pref="media.track.enabled"]
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readonly attribute AudioTrackList audioTracks;
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[Pref="media.track.enabled"]
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readonly attribute VideoTrackList videoTracks;
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readonly attribute TextTrackList? textTracks;
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TextTrack addTextTrack(TextTrackKind kind,
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optional DOMString label = "",
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optional DOMString language = "");
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};
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// Mozilla extensions:
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partial interface HTMLMediaElement {
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[Func="HasDebuggerPrivilege"]
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readonly attribute MediaSource? mozMediaSourceObject;
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[Func="HasDebuggerPrivilege"]
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readonly attribute DOMString mozDebugReaderData;
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[Func="HasDebuggerPrivilege", NewObject]
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Promise<DOMString> mozRequestDebugInfo();
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[Pref="media.test.dumpDebugInfo"]
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void mozDumpDebugInfo();
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attribute MediaStream? srcObject;
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// TODO: remove prefixed version soon (1183495).
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attribute MediaStream? mozSrcObject;
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attribute boolean mozPreservesPitch;
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readonly attribute boolean mozAutoplayEnabled;
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// NB: for internal use with the video controls:
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[Func="IsChromeOrXBL"] attribute boolean mozAllowCasting;
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[Func="IsChromeOrXBL"] attribute boolean mozIsCasting;
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// Mozilla extension: stream capture
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[Throws, UnsafeInPrerendering]
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MediaStream mozCaptureStream();
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[Throws, UnsafeInPrerendering]
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MediaStream mozCaptureStreamUntilEnded();
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readonly attribute boolean mozAudioCaptured;
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// Mozilla extension: return embedded metadata from the stream as a
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// JSObject with key:value pairs for each tag. This can be used by
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// player interfaces to display the song title, artist, etc.
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[Throws]
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object? mozGetMetadata();
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// Mozilla extension: provides access to the fragment end time if
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// the media element has a fragment URI for the currentSrc, otherwise
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// it is equal to the media duration.
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readonly attribute double mozFragmentEnd;
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// Mozilla extension: an audio channel type for media elements.
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// Read AudioChannel.webidl for more information about this attribute.
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[SetterThrows, Pref="media.useAudioChannelAPI"]
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attribute AudioChannel mozAudioChannelType;
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// In addition the media element has this new events:
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// * onmozinterruptbegin - called when the media element is interrupted
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// because of the audiochannel manager.
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// * onmozinterruptend - called when the interruption is concluded
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[Pref="media.useAudioChannelAPI"]
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attribute EventHandler onmozinterruptbegin;
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[Pref="media.useAudioChannelAPI"]
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attribute EventHandler onmozinterruptend;
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};
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// Encrypted Media Extensions
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partial interface HTMLMediaElement {
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readonly attribute MediaKeys? mediaKeys;
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// void, not any: https://www.w3.org/Bugs/Public/show_bug.cgi?id=26457
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[NewObject]
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Promise<void> setMediaKeys(MediaKeys? mediaKeys);
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attribute EventHandler onencrypted;
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attribute EventHandler onwaitingforkey;
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};
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// This is just for testing
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partial interface HTMLMediaElement {
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[Pref="media.useAudioChannelService.testing"]
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readonly attribute double computedVolume;
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[Pref="media.useAudioChannelService.testing"]
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readonly attribute boolean computedMuted;
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[Pref="media.useAudioChannelService.testing"]
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readonly attribute unsigned long computedSuspended;
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};
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/*
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* HTMLMediaElement::seekToNextFrame() is a Mozilla experimental feature.
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*
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* The SeekToNextFrame() method provides a way to access a video element's video
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* frames one by one without going through the realtime playback. So, it lets
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* authors use "frame" as unit to access the video element's underlying data,
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* instead of "time".
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*
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* The SeekToNextFrame() is a kind of seek operation, so normally, once it is
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* invoked, a "seeking" event is dispatched. However, if the media source has no
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* video data or is not seekable, the operation is ignored without filing the
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* "seeking" event.
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*
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* Once the SeekToNextFrame() is done, a "seeked" event should always be filed
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* and a "ended" event might also be filed depends on where the media element's
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* position before seeking was. There are two cases:
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* Assume the media source has n+1 video frames where n is a non-negative
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* integers and the frame sequence is indexed from zero.
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* (1) If the currentTime is at anywhere smaller than the n-th frame's beginning
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* time, say the currentTime is now pointing to a position which is smaller
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* than the x-th frame's beginning time and larger or equal to the (x-1)-th
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* frame's beginning time, where x belongs to [1, n], then the
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* SeekToNextFrame() operation seeks the media to the x-th frame, sets the
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* media's currentTime to the x-th frame's beginning time and dispatches a
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* "seeked" event.
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* (2) Otherwise, if the currentTime is larger or equal to the n-th frame's
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* beginning time, then the SeekToNextFrame() operation sets the media's
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* currentTime to the duration of the media source and dispatches a "seeked"
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* event and an "ended" event.
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*/
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partial interface HTMLMediaElement {
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[Throws, Pref="media.seekToNextFrame.enabled"]
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Promise<void> seekToNextFrame();
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};
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/*
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* This is an API for simulating visibility changes to help debug and write
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* tests about suspend-video-decoding.
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*/
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partial interface HTMLMediaElement {
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[Pref="media.test.setVisible"]
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void setVisible(boolean aVisible);
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};
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