gecko-dev/dom/media/ipc/PVideoDecoderManager.ipdl

/* -*- 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";
using mozilla::CreateDecoderParams::Option from "PlatformDecoderModule.h";
using mozilla::CreateDecoderParams::OptionSet from "PlatformDecoderModule.h";

namespace mozilla {

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, OptionSet options, TextureFactoryIdentifier identifier)
         returns (bool success,
                  nsCString aBlacklistedD3D11Driver,
                  nsCString aBlacklistedD3D9Driver,
                  nsCString aErrorDescription);

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

  async DeallocateSurfaceDescriptorGPUVideo(SurfaceDescriptorGPUVideo sd);
};

} // namespace mozilla