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