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// Copyright 2018 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.
#include "content/browser/media/audio_stream_broker.h"
#include <utility>
#include "base/bind.h"
#include "base/location.h"
#include "base/task/post_task.h"
#include "content/browser/media/audio_input_stream_broker.h"
#include "content/browser/media/audio_loopback_stream_broker.h"
#include "content/browser/media/audio_output_stream_broker.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
namespace content {
namespace {
class AudioStreamBrokerFactoryImpl final : public AudioStreamBrokerFactory {
public:
AudioStreamBrokerFactoryImpl() = default;
~AudioStreamBrokerFactoryImpl() final = default;
std::unique_ptr<AudioStreamBroker> CreateAudioInputStreamBroker(
int render_process_id,
int render_frame_id,
const std::string& device_id,
const media::AudioParameters& params,
uint32_t shared_memory_count,
media::UserInputMonitorBase* user_input_monitor,
bool enable_agc,
audio::mojom::AudioProcessingConfigPtr processing_config,
AudioStreamBroker::DeleterCallback deleter,
mojo::PendingRemote<mojom::RendererAudioInputStreamFactoryClient>
renderer_factory_client) final {
return std::make_unique<AudioInputStreamBroker>(
render_process_id, render_frame_id, device_id, params,
shared_memory_count, user_input_monitor, enable_agc,
std::move(processing_config), std::move(deleter),
std::move(renderer_factory_client));
}
std::unique_ptr<AudioStreamBroker> CreateAudioLoopbackStreamBroker(
int render_process_id,
int render_frame_id,
AudioStreamBroker::LoopbackSource* source,
const media::AudioParameters& params,
uint32_t shared_memory_count,
bool mute_source,
AudioStreamBroker::DeleterCallback deleter,
mojo::PendingRemote<mojom::RendererAudioInputStreamFactoryClient>
renderer_factory_client) final {
return std::make_unique<AudioLoopbackStreamBroker>(
render_process_id, render_frame_id, source, params, shared_memory_count,
mute_source, std::move(deleter), std::move(renderer_factory_client));
}
std::unique_ptr<AudioStreamBroker> CreateAudioOutputStreamBroker(
int render_process_id,
int render_frame_id,
int stream_id,
const std::string& output_device_id,
const media::AudioParameters& params,
const base::UnguessableToken& group_id,
const base::Optional<base::UnguessableToken>& processing_id,
AudioStreamBroker::DeleterCallback deleter,
mojo::PendingRemote<media::mojom::AudioOutputStreamProviderClient> client)
final {
return std::make_unique<AudioOutputStreamBroker>(
render_process_id, render_frame_id, stream_id, output_device_id, params,
group_id, processing_id, std::move(deleter), std::move(client));
}
};
} // namespace
AudioStreamBroker::LoopbackSink::LoopbackSink() = default;
AudioStreamBroker::LoopbackSink::~LoopbackSink() = default;
AudioStreamBroker::LoopbackSource::LoopbackSource() = default;
AudioStreamBroker::LoopbackSource::~LoopbackSource() = default;
AudioStreamBroker::AudioStreamBroker(int render_process_id, int render_frame_id)
: render_process_id_(render_process_id),
render_frame_id_(render_frame_id) {}
AudioStreamBroker::~AudioStreamBroker() {}
// static
void AudioStreamBroker::NotifyProcessHostOfStartedStream(
int render_process_id) {
auto impl = [](int id) {
if (auto* process_host = RenderProcessHost::FromID(id))
process_host->OnMediaStreamAdded();
};
base::PostTask(FROM_HERE, {BrowserThread::UI},
base::BindOnce(impl, render_process_id));
}
// static
void AudioStreamBroker::NotifyProcessHostOfStoppedStream(
int render_process_id) {
auto impl = [](int id) {
if (auto* process_host = RenderProcessHost::FromID(id))
process_host->OnMediaStreamRemoved();
};
base::PostTask(FROM_HERE, {BrowserThread::UI},
base::BindOnce(impl, render_process_id));
}
AudioStreamBrokerFactory::AudioStreamBrokerFactory() {}
AudioStreamBrokerFactory::~AudioStreamBrokerFactory() {}
// static
std::unique_ptr<AudioStreamBrokerFactory>
AudioStreamBrokerFactory::CreateImpl() {
return std::make_unique<AudioStreamBrokerFactoryImpl>();
}
} // namespace content
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