gecko-dev/dom/media/SeekTask.cpp

98 строки
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 "SeekTask.h"
#include "MediaDecoderReaderWrapper.h"
#include "mozilla/AbstractThread.h"
namespace mozilla {
SeekTask::SeekTask(const void* aDecoderID,
AbstractThread* aThread,
MediaDecoderReaderWrapper* aReader,
SeekJob&& aSeekJob)
: mDecoderID(aDecoderID)
, mOwnerThread(aThread)
, mReader(aReader)
, mSeekJob(Move(aSeekJob))
, mIsDiscarded(false)
, mIsAudioQueueFinished(false)
, mIsVideoQueueFinished(false)
, mNeedToStopPrerollingAudio(false)
, mNeedToStopPrerollingVideo(false)
{
AssertOwnerThread();
}
SeekTask::~SeekTask()
{
AssertOwnerThread();
MOZ_ASSERT(mIsDiscarded);
}
void
SeekTask::Resolve(const char* aCallSite)
{
AssertOwnerThread();
SeekTaskResolveValue val;
val.mSeekedAudioData = mSeekedAudioData;
val.mSeekedVideoData = mSeekedVideoData;
val.mIsAudioQueueFinished = mIsAudioQueueFinished;
val.mIsVideoQueueFinished = mIsVideoQueueFinished;
val.mNeedToStopPrerollingAudio = mNeedToStopPrerollingAudio;
val.mNeedToStopPrerollingVideo = mNeedToStopPrerollingVideo;
mSeekTaskPromise.Resolve(val, aCallSite);
}
void
SeekTask::RejectIfExist(const char* aCallSite)
{
AssertOwnerThread();
SeekTaskRejectValue val;
val.mIsAudioQueueFinished = mIsAudioQueueFinished;
val.mIsVideoQueueFinished = mIsVideoQueueFinished;
val.mNeedToStopPrerollingAudio = mNeedToStopPrerollingAudio;
val.mNeedToStopPrerollingVideo = mNeedToStopPrerollingVideo;
mSeekTaskPromise.RejectIfExists(val, aCallSite);
}
void
SeekTask::AssertOwnerThread() const
{
MOZ_ASSERT(mOwnerThread->IsCurrentThreadIn());
}
AbstractThread*
SeekTask::OwnerThread() const
{
AssertOwnerThread();
return mOwnerThread;
}
SeekJob&
SeekTask::GetSeekJob()
{
AssertOwnerThread();
return mSeekJob;
}
bool
SeekTask::Exists() const
{
AssertOwnerThread();
// mSeekTaskPromise communicates SeekTask and MDSM;
// mSeekJob communicates MDSM and MediaDecoder;
// Either one exists means the current seek task has yet finished.
return !mSeekTaskPromise.IsEmpty() || mSeekJob.Exists();
}
} // namespace mozilla