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/* 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 "mozilla/dom/MediaIPCUtils.h";

include protocol PRemoteDecoderManager;

using mozilla::AudioInfo from "MediaInfo.h";
using mozilla::VideoInfo from "MediaInfo.h";
using mozilla::MediaResult from "MediaResult.h";
using mozilla::TrackInfo::TrackType from "MediaInfo.h";
using mozilla::MFMediaEngineError from "MFMediaEngineUtils.h";
using mozilla::MFMediaEngineEvent from "MFMediaEngineUtils.h";

namespace mozilla {

struct MediaEngineInfoIPDL
{
  bool preload;
};

struct MediaInfoIPDL
{
  AudioInfo? audioInfo;
  VideoInfo? videoInfo;
};

struct StatisticData
{
  uint64_t renderedFrames;
  uint64_t droppedFrames;
};

[ManualDealloc]
async protocol PMFMediaEngine
{
  manager PRemoteDecoderManager;
parent:
  // Return 0 if media engine can't be created.
  async InitMediaEngine(MediaEngineInfoIPDL info) returns (uint64_t id);
  async NotifyMediaInfo(MediaInfoIPDL info);
  async Play();
  async Pause();
  async Seek(double targetTimeInSecond);
  async SetCDMProxyId(uint64_t type);
  async SetVolume(double volume);
  async SetPlaybackRate(double playbackRate);
  async SetLooping(bool looping);
  async NotifyEndOfStream(TrackType type);
  async Shutdown();
  async __delete__();

child:
  async NotifyEvent(MFMediaEngineEvent event);
  async NotifyError(MediaResult error);
  async UpdateCurrentTime(double currentTimeInSecond);
  async RequestSample(TrackType type, bool isEnough);
  async UpdateStatisticData(StatisticData data);
};

} // namespace mozilla