gecko-dev/content/media/nsDOMMediaStream.cpp

120 строки
3.6 KiB
C++

/* -*- Mode: C++; 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/. */
#include "nsDOMMediaStream.h"
#include "nsDOMClassInfoID.h"
#include "nsContentUtils.h"
using namespace mozilla;
DOMCI_DATA(MediaStream, nsDOMMediaStream)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDOMMediaStream)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_ENTRY(nsIDOMMediaStream)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(MediaStream)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDOMMediaStream)
NS_IMPL_CYCLE_COLLECTING_RELEASE(nsDOMMediaStream)
NS_IMPL_CYCLE_COLLECTION_CLASS(nsDOMMediaStream)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsDOMMediaStream)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsDOMMediaStream)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
// LocalMediaStream currently is the same C++ class as MediaStream;
// they may eventually split
DOMCI_DATA(LocalMediaStream, nsDOMLocalMediaStream)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDOMLocalMediaStream)
NS_INTERFACE_MAP_ENTRY(nsIDOMLocalMediaStream)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMMediaStream, nsDOMMediaStream)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMLocalMediaStream)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(LocalMediaStream)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDOMLocalMediaStream)
NS_IMPL_CYCLE_COLLECTING_RELEASE(nsDOMLocalMediaStream)
NS_IMPL_CYCLE_COLLECTION_CLASS(nsDOMLocalMediaStream)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsDOMLocalMediaStream)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsDOMLocalMediaStream)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
nsDOMMediaStream::~nsDOMMediaStream()
{
if (mStream) {
mStream->Destroy();
}
}
NS_IMETHODIMP
nsDOMMediaStream::GetCurrentTime(double *aCurrentTime)
{
*aCurrentTime = mStream ? MediaTimeToSeconds(mStream->GetCurrentTime()) : 0.0;
return NS_OK;
}
NS_IMETHODIMP
nsDOMLocalMediaStream::Stop()
{
if (mStream && mStream->AsSourceStream()) {
mStream->AsSourceStream()->EndAllTrackAndFinish();
}
return NS_OK;
}
already_AddRefed<nsDOMMediaStream>
nsDOMMediaStream::CreateSourceStream(uint32_t aHintContents)
{
nsRefPtr<nsDOMMediaStream> stream = new nsDOMMediaStream();
stream->SetHintContents(aHintContents);
MediaStreamGraph* gm = MediaStreamGraph::GetInstance();
stream->mStream = gm->CreateSourceStream(stream);
return stream.forget();
}
already_AddRefed<nsDOMLocalMediaStream>
nsDOMLocalMediaStream::CreateSourceStream(uint32_t aHintContents)
{
nsRefPtr<nsDOMLocalMediaStream> stream = new nsDOMLocalMediaStream();
stream->SetHintContents(aHintContents);
MediaStreamGraph* gm = MediaStreamGraph::GetInstance();
stream->mStream = gm->CreateSourceStream(stream);
return stream.forget();
}
already_AddRefed<nsDOMMediaStream>
nsDOMMediaStream::CreateTrackUnionStream()
{
nsRefPtr<nsDOMMediaStream> stream = new nsDOMMediaStream();
MediaStreamGraph* gm = MediaStreamGraph::GetInstance();
stream->mStream = gm->CreateTrackUnionStream(stream);
return stream.forget();
}
already_AddRefed<nsDOMLocalMediaStream>
nsDOMLocalMediaStream::CreateTrackUnionStream()
{
nsRefPtr<nsDOMLocalMediaStream> stream = new nsDOMLocalMediaStream();
MediaStreamGraph* gm = MediaStreamGraph::GetInstance();
stream->mStream = gm->CreateTrackUnionStream(stream);
return stream.forget();
}
bool
nsDOMMediaStream::CombineWithPrincipal(nsIPrincipal* aPrincipal)
{
return nsContentUtils::CombineResourcePrincipals(&mPrincipal, aPrincipal);
}