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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// https://w3c.github.io/media-source/#idl-def-mediasource
enum EndOfStreamError {
"network",
"decode"
};
[
ActiveScriptWrappable,
Exposed=(Window, DedicatedWorker)
] interface MediaSource : EventTarget {
[CallWith=ExecutionContext] constructor();
// All the source buffers created by this object.
readonly attribute SourceBufferList sourceBuffers;
// Subset of sourceBuffers that provide data for the selected/enabled tracks.
readonly attribute SourceBufferList activeSourceBuffers;
[RaisesException=Setter] attribute unrestricted double duration;
attribute EventHandler onsourceopen;
attribute EventHandler onsourceended;
attribute EventHandler onsourceclose;
[RaisesException] SourceBuffer addSourceBuffer(DOMString type);
// For MSE-for-WebCodecs. Explainer:
// https://github.com/wolenetz/mse-for-webcodecs/blob/main/explainer.md
[
RaisesException,
RuntimeEnabled=MediaSourceExtensionsForWebCodecs,
ImplementedAs=AddSourceBufferUsingConfig,
MeasureAs=AddSourceBufferUsingConfig,
CallWith=ExecutionContext
] SourceBuffer addSourceBuffer(SourceBufferConfig config);
[RaisesException] void removeSourceBuffer(SourceBuffer buffer);
readonly attribute DOMString readyState;
[RaisesException] void endOfStream(optional EndOfStreamError error);
[RaisesException] void setLiveSeekableRange(double start, double end);
[RaisesException] void clearLiveSeekableRange();
// Initially for just MSE-in-Workers (https://crbug.com/878133). See also
// discussion on https://github.com/w3c/media-source/issues/175,
// https://github.com/w3c/media-source/pull/305,
// https://github.com/w3c/media-source/pull/306 and
// https://github.com/w3c/media-source/pull/317.
[
MeasureAs=MediaSourceGetHandle,
Exposed=DedicatedWorker,
SameObject
] readonly attribute MediaSourceHandle handle;
// TODO(crbug.com/1144908): Consider adding an overload which is given a
// SourceBufferConfig.
[CallWith=ExecutionContext] static boolean isTypeSupported(DOMString type);
// Enables proactive feature-detection of MSE-in-Workers support from the
// main thread (or anywhere this interface is exposed.) If the attribute is
// available, and if it is true, then the implementation claims it can
// support usage of the MSE API from dedicated worker contexts. See also
// https://github.com/w3c/media-source/issues/175 and
// https://crbug.com/878133.
[CallWith=ExecutionContext] static readonly attribute boolean canConstructInDedicatedWorker;
};
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