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113 lines
3.7 KiB
Plaintext
113 lines
3.7 KiB
Plaintext
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module content.mojom;
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// TODO(c.padhi): Add typemapping for MediaStreamDevice,
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// see https://crbug.com/742682.
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// Native struct content::MediaStreamDevice.
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// (see content/public/common/media_stream_request.h)
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[Native]
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struct MediaStreamDevice;
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// Types of media streams (see content/public/common/media_stream_request.h).
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enum MediaStreamType {
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MEDIA_NO_SERVICE,
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MEDIA_DEVICE_AUDIO_CAPTURE,
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MEDIA_DEVICE_VIDEO_CAPTURE,
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MEDIA_GUM_TAB_AUDIO_CAPTURE,
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MEDIA_GUM_TAB_VIDEO_CAPTURE,
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MEDIA_GUM_DESKTOP_VIDEO_CAPTURE,
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MEDIA_GUM_DESKTOP_AUDIO_CAPTURE,
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MEDIA_DISPLAY_VIDEO_CAPTURE,
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NUM_MEDIA_TYPES
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};
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// See content/public/common/media_stream_request.h.
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enum MediaStreamRequestResult {
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OK,
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PERMISSION_DENIED,
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PERMISSION_DISMISSED,
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INVALID_STATE,
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NO_HARDWARE,
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INVALID_SECURITY_ORIGIN,
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TAB_CAPTURE_FAILURE,
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SCREEN_CAPTURE_FAILURE,
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CAPTURE_FAILURE,
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CONSTRAINT_NOT_SATISFIED,
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TRACK_START_FAILURE_AUDIO,
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TRACK_START_FAILURE_VIDEO,
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NOT_SUPPORTED,
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FAILED_DUE_TO_SHUTDOWN,
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KILL_SWITCH_ON
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};
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// See content/common/media/media_stream_controls.h.
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struct TrackControls {
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bool requested;
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MediaStreamType stream_type;
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string device_id;
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};
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// See content/common/media/media_stream_controls.h.
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struct StreamControls {
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TrackControls audio;
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TrackControls video;
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bool hotword_enabled;
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bool disable_local_echo;
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};
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// Per-frame renderer-side interface that receives device stopped notifications
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// from the browser process.
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interface MediaStreamDeviceObserver {
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OnDeviceStopped(string label, MediaStreamDevice device);
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};
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// Per-frame browser-side interface that is used by the renderer process to
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// make media stream requests.
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interface MediaStreamDispatcherHost {
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// Requests a new media stream.
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GenerateStream(int32 request_id, StreamControls controls, bool user_gesture)
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=> (MediaStreamRequestResult result, string label,
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array<MediaStreamDevice> audio_devices,
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array<MediaStreamDevice> video_devices);
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// Cancels the request for a new media stream or opening a device.
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CancelRequest(int32 request_id);
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// Closes a stream device that has been opened by GenerateStream.
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StopStreamDevice(string device_id, int32 session_id);
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// Opens a device identified by |device_id|.
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OpenDevice(int32 request_id, string device_id, MediaStreamType type)
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=> (bool success, string label, MediaStreamDevice device);
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// Cancels an open request identified by |label|.
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CloseDevice(string label);
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// Tells the browser process if the video capture is secure (i.e., all
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// connected video sinks meet the requirement of output protection.).
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// Note: the browser process only trusts the |is_secure| value in this Mojo
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// message if it's comimg from a trusted, whitelisted extension. Extensions
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// run in separate render processes. So it shouldn't be possible, for example,
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// for a user's visit to a malicious web page to compromise a render process
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// running a trusted extension to make it report falsehood in this Mojo
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// message.
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SetCapturingLinkSecured(int32 session_id, MediaStreamType type,
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bool is_secure);
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// Tells the browser process that the stream has been started successfully.
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OnStreamStarted(string label);
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};
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// Browser-side interface that is used by the renderer process to notify the
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// addition or deletion of tracks.
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interface MediaStreamTrackMetricsHost {
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// Adds the track with the specified information to the list of tracks.
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AddTrack(uint64 id, bool is_audio, bool is_remote);
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// Removes the track with the specified ID from the list of tracks.
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RemoveTrack(uint64 id);
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};
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