mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2024-12-12 17:46:04 +01:00
81 lines
3.3 KiB
C++
81 lines
3.3 KiB
C++
// Copyright (c) 2018 The Chromium Embedded Framework Authors.
|
|
// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef CEF_LIBCEF_BROWSER_AUDIO_MIRROR_DESTINATION_H_
|
|
#define CEF_LIBCEF_BROWSER_AUDIO_MIRROR_DESTINATION_H_
|
|
#pragma once
|
|
|
|
#include "include/cef_audio_handler.h"
|
|
#include "include/cef_base.h"
|
|
#include "libcef/browser/browser_host_impl.h"
|
|
|
|
#include "base/callback.h"
|
|
#include "base/threading/thread_checker.h"
|
|
#include "content/browser/media/capture/audio_mirroring_manager.h"
|
|
#include "media/audio/audio_io.h"
|
|
#include "media/base/audio_converter.h"
|
|
#include "media/base/audio_parameters.h"
|
|
|
|
class CefAudioPushSink;
|
|
class CefBrowserHostImpl;
|
|
|
|
class CefAudioMirrorDestination
|
|
: public content::AudioMirroringManager::MirroringDestination {
|
|
public:
|
|
CefAudioMirrorDestination(CefRefPtr<CefBrowserHostImpl> browser,
|
|
CefRefPtr<CefAudioHandler> cef_audio_handler,
|
|
content::AudioMirroringManager* mirroring_manager);
|
|
|
|
virtual ~CefAudioMirrorDestination() = default;
|
|
|
|
// Start mirroring. This needs to be triggered on the IO thread.
|
|
void Start();
|
|
|
|
// Stop mirroring. This needs to be triggered on the IO thread.
|
|
void Stop();
|
|
|
|
// Asynchronously query whether this MirroringDestination wants to consume
|
|
// audio sourced from each of the |candidates|. |results_callback| is run
|
|
// to indicate which of them (or none) should have audio routed to this
|
|
// MirroringDestination. The second parameter of |results_callback|
|
|
// indicates whether the MirroringDestination wants either: 1) exclusive
|
|
// access to a diverted audio flow versus 2) a duplicate copy of the audio
|
|
// flow. |results_callback| must be run on the same thread as the one that
|
|
// called QueryForMatches().
|
|
void QueryForMatches(
|
|
const std::set<content::GlobalFrameRoutingId>& candidates,
|
|
MatchesCallback results_callback) override;
|
|
|
|
// Create a consumer of audio data in the format specified by |params|, and
|
|
// connect it as an input to mirroring. This is used to provide
|
|
// MirroringDestination with exclusive access to pull the audio flow from
|
|
// the source. When Close() is called on the returned AudioOutputStream, the
|
|
// input is disconnected and the object becomes invalid.
|
|
media::AudioOutputStream* AddInput(
|
|
const media::AudioParameters& params) override;
|
|
|
|
// Create a consumer of audio data in the format specified by |params|, and
|
|
// connect it as an input to mirroring. This is used to provide
|
|
// MirroringDestination with duplicate audio data, which is pushed from the
|
|
// main audio flow. When Close() is called on the returned AudioPushSink,
|
|
// the input is disconnected and the object becomes invalid.
|
|
media::AudioPushSink* AddPushInput(
|
|
const media::AudioParameters& params) override;
|
|
|
|
private:
|
|
void QueryForMatchesOnUIThread(
|
|
const std::set<content::GlobalFrameRoutingId>& candidates,
|
|
MatchesCallback results_callback);
|
|
void ReleasePushInput(CefAudioPushSink* sink);
|
|
|
|
CefRefPtr<CefBrowserHostImpl> browser_;
|
|
CefRefPtr<CefAudioHandler> cef_audio_handler_;
|
|
content::AudioMirroringManager* mirroring_manager_;
|
|
|
|
base::ThreadChecker thread_checker_;
|
|
};
|
|
|
|
#endif // CEF_LIBCEF_BROWSER_AUDIO_MIRROR_DESTINATION_H_
|