dom/media/platforms/agnostic/gmp/MediaDataDecoderProxy.cpp
author Alfredo Yang <ayang@mozilla.com>
Tue, 17 May 2016 21:46:00 -0400
changeset 298134 0e4c5be816f3b91cbaef28e58697e4341ed1a597
parent 296391 a381b242fcd57388e7a406dba27758c151ddd1a4
child 298169 c6d91a79d23b7704fd222c7c29e985d4fafb1660
permissions -rw-r--r--
Bug 1257107 - Discard decoded data if its pts is smaller than seek time. r=jya

/* -*- 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 "MediaDataDecoderProxy.h"
#include "MediaData.h"

namespace mozilla {

void
MediaDataDecoderCallbackProxy::Error()
{
  mProxyCallback->Error();
}

void
MediaDataDecoderCallbackProxy::FlushComplete()
{
  mProxyDecoder->FlushComplete();
}

RefPtr<MediaDataDecoder::InitPromise>
MediaDataDecoderProxy::InternalInit()
{
  MOZ_ASSERT(!mIsShutdown);

  return mProxyDecoder->Init();
}

RefPtr<MediaDataDecoder::InitPromise>
MediaDataDecoderProxy::Init()
{
  MOZ_ASSERT(!mIsShutdown);

  return InvokeAsync(mProxyThread, this, __func__,
                     &MediaDataDecoderProxy::InternalInit);
}

nsresult
MediaDataDecoderProxy::Input(MediaRawData* aSample)
{
  MOZ_ASSERT(!IsOnProxyThread());
  MOZ_ASSERT(!mIsShutdown);

  nsCOMPtr<nsIRunnable> task(new InputTask(mProxyDecoder, aSample));
  mProxyThread->Dispatch(task.forget());

  return NS_OK;
}

nsresult
MediaDataDecoderProxy::Flush()
{
  MOZ_ASSERT(!IsOnProxyThread());
  MOZ_ASSERT(!mIsShutdown);

  mFlushComplete.Set(false);

  mProxyThread->Dispatch(NewRunnableMethod(mProxyDecoder, &MediaDataDecoder::Flush));

  mFlushComplete.WaitUntil(true);

  return NS_OK;
}

nsresult
MediaDataDecoderProxy::Drain()
{
  MOZ_ASSERT(!IsOnProxyThread());
  MOZ_ASSERT(!mIsShutdown);

  mProxyThread->Dispatch(NewRunnableMethod(mProxyDecoder, &MediaDataDecoder::Drain));
  return NS_OK;
}

nsresult
MediaDataDecoderProxy::Shutdown()
{
  // Note that this *may* be called from the proxy thread also.
  MOZ_ASSERT(!mIsShutdown);
#if defined(DEBUG)
  mIsShutdown = true;
#endif
  nsresult rv = mProxyThread->AsXPCOMThread()->Dispatch(NewRunnableMethod(mProxyDecoder,
                                                                          &MediaDataDecoder::Shutdown),
                                                        NS_DISPATCH_SYNC);
  NS_ENSURE_SUCCESS(rv, rv);
  return NS_OK;
}

void
MediaDataDecoderProxy::FlushComplete()
{
  mFlushComplete.Set(true);
}

void
MediaDataDecoderProxy::SetSeekThreshold(const media::TimeUnit& aTime)
{
  MOZ_ASSERT(!IsOnProxyThread());
  MOZ_ASSERT(!mIsShutdown);

  int64_t threshold = aTime.ToMicroseconds();
  RefPtr<MediaDataDecoderProxy> self = this;
  nsCOMPtr<nsIRunnable> task =
    NS_NewRunnableFunction([threshold, self] () {
      media::TimeUnit time = media::TimeUnit::FromMicroseconds(threshold);
      self->mProxyDecoder->SetSeekThreshold(time);
  });
  mProxyThread->Dispatch(task.forget());
}

} // namespace mozilla