dom/media/MediaStreamTypes.h
author Sylvestre Ledru <sledru@mozilla.com>
Mon, 19 Nov 2018 13:25:37 +0000
changeset 446960 0ceae9db9ec0be18daa1a279511ad305723185d4
parent 383717 3fde22119711c0836d7dbdabf8ff96d73ed50af7
permissions -rw-r--r--
Bug 1204606 - Reformat of dom/media r=jya # skip-blame Differential Revision: https://phabricator.services.mozilla.com/D12251

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

#ifndef MOZILLA_MEDIASTREAMTYPES_h_
#define MOZILLA_MEDIASTREAMTYPES_h_

#include "StreamTracks.h"  // for TrackID

namespace mozilla {

enum MediaStreamGraphEvent : uint32_t {
  EVENT_FINISHED,
  EVENT_REMOVED,
};

// maskable flags, not a simple enumerated value
enum TrackEventCommand : uint32_t {
  TRACK_EVENT_NONE = 0x00,
  TRACK_EVENT_CREATED = 0x01,
  TRACK_EVENT_ENDED = 0x02,
  TRACK_EVENT_UNUSED = ~(TRACK_EVENT_ENDED | TRACK_EVENT_CREATED),
};

/**
 * Describes how a track should be disabled.
 *
 * ENABLED        Not disabled.
 * SILENCE_BLACK  Audio data is turned into silence, video frames are made
 * black. SILENCE_FREEZE Audio data is turned into silence, video freezes at
 * last frame.
 */
enum class DisabledTrackMode { ENABLED, SILENCE_BLACK, SILENCE_FREEZE };
struct DisabledTrack {
  DisabledTrack(TrackID aTrackID, DisabledTrackMode aMode)
      : mTrackID(aTrackID), mMode(aMode) {}
  TrackID mTrackID;
  DisabledTrackMode mMode;
};

}  // namespace mozilla

#endif  // MOZILLA_MEDIASTREAMTYPES_h_