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// Copyright 2017 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/renderer_host/media/old_render_frame_audio_output_stream_factory.h"
#include <memory>
#include <utility>
#include "base/metrics/histogram_macros.h"
#include "base/task_runner_util.h"
#include "content/browser/renderer_host/media/audio_output_authorization_handler.h"
#include "content/browser/renderer_host/media/audio_output_stream_observer_impl.h"
#include "content/browser/renderer_host/media/renderer_audio_output_stream_factory_context.h"
#include "content/public/browser/render_frame_host.h"
#include "media/base/audio_parameters.h"
#include "media/mojo/services/mojo_audio_output_stream_provider.h"
#include "mojo/public/cpp/bindings/message.h"
namespace content {
// static
std::unique_ptr<RenderFrameAudioOutputStreamFactoryHandle,
BrowserThread::DeleteOnIOThread>
RenderFrameAudioOutputStreamFactoryHandle::CreateFactory(
RendererAudioOutputStreamFactoryContext* context,
int render_frame_id,
mojom::RendererAudioOutputStreamFactoryRequest request) {
std::unique_ptr<RenderFrameAudioOutputStreamFactoryHandle,
BrowserThread::DeleteOnIOThread>
handle(new RenderFrameAudioOutputStreamFactoryHandle(context,
render_frame_id));
// Unretained is safe since |*handle| must be posted to the IO thread prior to
// deletion.
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::BindOnce(&RenderFrameAudioOutputStreamFactoryHandle::Init,
base::Unretained(handle.get()), std::move(request)));
return handle;
}
RenderFrameAudioOutputStreamFactoryHandle::
~RenderFrameAudioOutputStreamFactoryHandle() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
}
RenderFrameAudioOutputStreamFactoryHandle::
RenderFrameAudioOutputStreamFactoryHandle(
RendererAudioOutputStreamFactoryContext* context,
int render_frame_id)
: impl_(render_frame_id, context), binding_(&impl_) {}
void RenderFrameAudioOutputStreamFactoryHandle::Init(
mojom::RendererAudioOutputStreamFactoryRequest request) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
binding_.Bind(std::move(request));
}
OldRenderFrameAudioOutputStreamFactory::OldRenderFrameAudioOutputStreamFactory(
int render_frame_id,
RendererAudioOutputStreamFactoryContext* context)
: render_frame_id_(render_frame_id),
context_(context),
weak_ptr_factory_(this) {
DCHECK(context_);
}
OldRenderFrameAudioOutputStreamFactory::
~OldRenderFrameAudioOutputStreamFactory() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
UMA_HISTOGRAM_EXACT_LINEAR("Media.Audio.OutputStreamsCanceledByBrowser",
stream_providers_.size(), 50);
// Make sure to close all streams.
stream_providers_.clear();
}
void OldRenderFrameAudioOutputStreamFactory::RequestDeviceAuthorization(
media::mojom::AudioOutputStreamProviderRequest stream_provider_request,
int32_t session_id,
const std::string& device_id,
RequestDeviceAuthorizationCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
const base::TimeTicks auth_start_time = base::TimeTicks::Now();
context_->RequestDeviceAuthorization(
render_frame_id_, session_id, device_id,
base::BindOnce(
&OldRenderFrameAudioOutputStreamFactory::AuthorizationCompleted,
weak_ptr_factory_.GetWeakPtr(), auth_start_time,
std::move(stream_provider_request), std::move(callback)));
}
void OldRenderFrameAudioOutputStreamFactory::AuthorizationCompleted(
base::TimeTicks auth_start_time,
media::mojom::AudioOutputStreamProviderRequest request,
RequestDeviceAuthorizationCallback callback,
media::OutputDeviceStatus status,
const media::AudioParameters& params,
const std::string& raw_device_id,
const std::string& device_id_for_renderer) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
AudioOutputAuthorizationHandler::UMALogDeviceAuthorizationTime(
auth_start_time);
if (status != media::OUTPUT_DEVICE_STATUS_OK) {
std::move(callback).Run(media::OutputDeviceStatus(status),
media::AudioParameters::UnavailableDeviceParams(),
std::string());
return;
}
int stream_id = next_stream_id_++;
std::unique_ptr<media::mojom::AudioOutputStreamObserver> observer =
std::make_unique<AudioOutputStreamObserverImpl>(
context_->GetRenderProcessId(), render_frame_id_, stream_id);
// Since |context_| outlives |this| and |this| outlives |stream_providers_|,
// unretained is safe.
stream_providers_.insert(
std::make_unique<media::MojoAudioOutputStreamProvider>(
std::move(request),
base::BindOnce(
&RendererAudioOutputStreamFactoryContext::CreateDelegate,
base::Unretained(context_), raw_device_id, render_frame_id_,
stream_id),
base::BindOnce(&OldRenderFrameAudioOutputStreamFactory::RemoveStream,
base::Unretained(this)),
std::move(observer)));
std::move(callback).Run(media::OutputDeviceStatus(status), params,
device_id_for_renderer);
}
void OldRenderFrameAudioOutputStreamFactory::RemoveStream(
media::mojom::AudioOutputStreamProvider* stream_provider) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
stream_providers_.erase(stream_provider);
}
} // namespace content
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