73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#include "jsapi/RTCEncodedFrameBase.h"
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#include "js/GCAPI.h"
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#include "nsIGlobalObject.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "js/ArrayBuffer.h"
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namespace mozilla::dom {
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NS_IMPL_CYCLE_COLLECTION_WITH_JS_MEMBERS(RTCEncodedFrameBase, (mGlobal),
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(mData))
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NS_IMPL_CYCLE_COLLECTING_ADDREF(RTCEncodedFrameBase)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(RTCEncodedFrameBase)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RTCEncodedFrameBase)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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RTCEncodedFrameBase::RTCEncodedFrameBase(
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nsIGlobalObject* aGlobal,
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std::unique_ptr<webrtc::TransformableFrameInterface> aFrame,
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uint64_t aCounter)
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: mGlobal(aGlobal),
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mFrame(std::move(aFrame)),
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mCounter(aCounter),
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mTimestamp(mFrame->GetTimestamp()) {
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AutoJSAPI jsapi;
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if (NS_WARN_IF(!jsapi.Init(mGlobal))) {
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return;
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}
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// Avoid a copy
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mData = JS::NewArrayBufferWithUserOwnedContents(
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jsapi.cx(), mFrame->GetData().size(), (void*)(mFrame->GetData().data()));
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}
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RTCEncodedFrameBase::~RTCEncodedFrameBase() = default;
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unsigned long RTCEncodedFrameBase::Timestamp() const { return mTimestamp; }
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void RTCEncodedFrameBase::SetData(const ArrayBuffer& aData) {
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mData.set(aData.Obj());
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if (mFrame) {
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aData.ProcessData([&](const Span<uint8_t>& aData, JS::AutoCheckCannotGC&&) {
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mFrame->SetData(
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rtc::ArrayView<const uint8_t>(aData.Elements(), aData.Length()));
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});
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}
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}
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void RTCEncodedFrameBase::GetData(JSContext* aCx, JS::Rooted<JSObject*>* aObj) {
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aObj->set(mData);
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}
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uint64_t RTCEncodedFrameBase::GetCounter() const { return mCounter; }
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std::unique_ptr<webrtc::TransformableFrameInterface>
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RTCEncodedFrameBase::TakeFrame() {
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AutoJSAPI jsapi;
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if (!jsapi.Init(mGlobal)) {
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MOZ_CRASH("Could not init JSAPI!");
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}
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JS::Rooted<JSObject*> rootedData(jsapi.cx(), mData);
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JS::DetachArrayBuffer(jsapi.cx(), rootedData);
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return std::move(mFrame);
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}
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} // namespace mozilla::dom
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