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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 protocol PTexture;
include protocol PVideoDecoder;
include LayersSurfaces;
include "mozilla/dom/MediaIPCUtils.h";
using VideoInfo from "MediaInfo.h";
using struct mozilla::layers::TextureFactoryIdentifier from "mozilla/layers/CompositorTypes.h";

namespace mozilla {
namespace dom {

sync protocol PVideoDecoderManager
{
  manages PVideoDecoder;
parent:
  // aBlacklistedD3D11Driver and aBlacklistedD3D9Driver are used to read back the blacklisted driver information
  // from GPU process to content process.
  // We should have added a new sync method to read back this information but, in that way, we also introduce one
  // more sync IPC call.
  // Considering that this information is only used for telemetry usage in bug 1393392 and should be removed once
  // we have collected enough data, we add these two return values here for convenience.
  sync PVideoDecoder(VideoInfo info, float framerate, TextureFactoryIdentifier identifier)
         returns (bool success,
                  nsCString aBlacklistedD3D11Driver,
                  nsCString aBlacklistedD3D9Driver,
                  nsCString aErrorDescription);

  sync Readback(SurfaceDescriptorGPUVideo sd) returns (SurfaceDescriptor aResult);

  async DeallocateSurfaceDescriptorGPUVideo(SurfaceDescriptorGPUVideo sd);
};

} // namespace dom
} // namespace mozilla