/* -*- Mode: C++; tab-width: 2; 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 "nsISupports.idl"
#include "nsIThread.idl"
#include "nsIPrincipal.idl"

%{C++
#include "nsTArray.h"
#include "nsStringGlue.h"
class GMPVideoDecoder;
class GMPVideoEncoder;
class GMPVideoHost;
%}

[ptr] native GMPVideoDecoder(GMPVideoDecoder);
[ptr] native GMPVideoEncoder(GMPVideoEncoder);
[ptr] native GMPVideoHost(GMPVideoHost);
[ptr] native MessageLoop(MessageLoop);
[ptr] native TagArray(nsTArray<nsCString>);

[scriptable, uuid(63fc797f-9d01-43f4-8b93-5b1fe713c2f8)]
interface mozIGeckoMediaPluginService : nsISupports
{
  /**
   * The GMP thread. Callable from any thread.
   */
  readonly attribute nsIThread thread;

  /**
   * Get a video decoder that supports the specified tags.
   * The array of tags should at least contain a codec tag, and optionally
   * other tags such as for EME keysystem.
   * Callable only on GMP thread.
   */
  [noscript]
  GMPVideoDecoder getGMPVideoDecoder(in TagArray tags,
                                     [optional] in AString origin,
                                     out GMPVideoHost outVideoHost);

  /**
   * Get a video encoder that supports the specified tags.
   * The array of tags should at least contain a codec tag, and optionally
   * other tags.
   * Callable only on GMP thread.
   */
  [noscript]
  GMPVideoEncoder getGMPVideoEncoder(in TagArray tags,
                                     [optional] in AString origin,
                                     out GMPVideoHost outVideoHost);

  /**
   * Add a directory to scan for gecko media plugins.
   * @note Main-thread API.
   */
  void addPluginDirectory(in AString directory);

  /**
   * Remove a directory for gecko media plugins.
   * @note Main-thread API.
   */
  void removePluginDirectory(in AString directory);
};
