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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*
* The origin of this IDL file is
* https://w3c.github.io/webcodecs/#image-decoding
*/
typedef (AllowSharedBufferSource or ReadableStream) ImageBufferSource;
dictionary ImageDecoderInit {
required DOMString type;
required ImageBufferSource data;
ColorSpaceConversion colorSpaceConversion = "default";
[EnforceRange] unsigned long desiredWidth;
[EnforceRange] unsigned long desiredHeight;
boolean preferAnimation;
sequence<ArrayBuffer> transfer = [];
};
dictionary ImageDecodeOptions {
[EnforceRange] unsigned long frameIndex = 0;
boolean completeFramesOnly = true;
};
dictionary ImageDecodeResult {
required VideoFrame image;
required boolean complete;
};
[Exposed=(Window,DedicatedWorker),
SecureContext,
Func="nsRFPService::ExposeWebCodecsAPIImageDecoder"]
interface ImageTrack {
readonly attribute boolean animated;
readonly attribute unsigned long frameCount;
readonly attribute unrestricted float repetitionCount;
attribute boolean selected;
};
[Exposed=(Window,DedicatedWorker),
SecureContext,
Func="nsRFPService::ExposeWebCodecsAPIImageDecoder"]
interface ImageTrackList {
getter ImageTrack (unsigned long index);
readonly attribute Promise<undefined> ready;
readonly attribute unsigned long length;
readonly attribute long selectedIndex;
readonly attribute ImageTrack? selectedTrack;
};
[Exposed=(Window,DedicatedWorker),
SecureContext,
Func="nsRFPService::ExposeWebCodecsAPIImageDecoder"]
interface ImageDecoder {
[Throws]
constructor(ImageDecoderInit init);
readonly attribute DOMString type;
readonly attribute boolean complete;
readonly attribute Promise<undefined> completed;
readonly attribute ImageTrackList tracks;
[Throws]
Promise<ImageDecodeResult> decode(optional ImageDecodeOptions options = {});
undefined reset();
undefined close();
[Throws]
static Promise<boolean> isTypeSupported(DOMString type);
};
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