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/* -*- Mode: C++; tab-width: 8; 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 "mozilla/dom/MediaIPCUtils.h";
include protocol PRemoteDecoderManager;
using mozilla::MediaDataDecoder::ConversionRequired from "PlatformDecoderModule.h";
using mozilla::TrackInfo::TrackType from "MediaInfo.h";
using mozilla::layers::LayersBackend from "mozilla/layers/LayersTypes.h";
using mozilla::MediaResult from "MediaResult.h";
[RefCounted] using class mozilla::ArrayOfRemoteMediaRawData from "mozilla/RemoteMediaData.h";
[RefCounted] using class mozilla::ArrayOfRemoteAudioData from "mozilla/RemoteMediaData.h";
[RefCounted] using class mozilla::ArrayOfRemoteVideoData from "mozilla/RemoteMediaData.h";
include PMediaDecoderParams;
include LayersSurfaces;
namespace mozilla {
union DecodedOutputIPDL
{
nullable ArrayOfRemoteAudioData;
nullable ArrayOfRemoteVideoData;
};
struct InitCompletionIPDL
{
TrackType type;
nsCString decoderDescription;
nsCString decoderProcessName;
nsCString decoderCodecName;
bool hardware;
nsCString hardwareReason;
ConversionRequired conversion;
};
union InitResultIPDL
{
MediaResult;
InitCompletionIPDL;
};
union DecodeResultIPDL
{
MediaResult;
DecodedOutputIPDL;
};
// This protocol provides a way to use MediaDataDecoder across processes.
// The parent side currently is only implemented to work with
// RemoteDecoderModule or WindowsMediaFoundation.
// The child side runs in the content process, and the parent side runs
// in the RDD process or the GPU process. We run a separate IPDL thread
// for both sides.
[ManualDealloc]
async protocol PRemoteDecoder
{
manager PRemoteDecoderManager;
parent:
async Construct() returns (MediaResult result);
async Init() returns (InitResultIPDL result);
// Each output may include a SurfaceDescriptorGPUVideo that represents the decoded
// frame. This SurfaceDescriptor can be used on the Layers IPDL protocol, but
// must be released explicitly using DeallocateSurfaceDescriptorGPUVideo
// on the manager protocol.
async Decode(nullable ArrayOfRemoteMediaRawData data) returns (DecodeResultIPDL result);
async Flush() returns (MediaResult error);
async Drain() returns (DecodeResultIPDL result);
async Shutdown() returns (bool unused);
// To clear the threshold, call with INT64_MIN.
async SetSeekThreshold(TimeUnit time);
async __delete__();
};
} // namespace mozilla
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