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content / browser / renderer_host / media / media_devices_dispatcher_host.cc [blame]
// Copyright 2016 The Chromium Authors
// 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/media_devices_dispatcher_host.h"
#include <stddef.h>
#include <algorithm>
#include <utility>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/run_loop.h"
#include "base/task/bind_post_task.h"
#include "base/task/sequenced_task_runner.h"
#include "build/build_config.h"
#include "content/browser/media/media_devices_permission_checker.h"
#include "content/browser/renderer_host/back_forward_cache_disable.h"
#include "content/browser/renderer_host/back_forward_cache_impl.h"
#include "content/browser/renderer_host/media/media_stream_manager.h"
#include "content/browser/renderer_host/media/video_capture_manager.h"
#include "content/browser/renderer_host/render_frame_host_delegate.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "media/audio/audio_system.h"
#include "media/base/media_switches.h"
#include "media/base/video_facing.h"
#include "media/capture/mojom/video_capture_types.mojom.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/mediastream/media_devices.h"
#include "third_party/blink/public/common/mediastream/media_stream_request.h"
#include "url/origin.h"
#if !BUILDFLAG(IS_ANDROID)
#include "content/browser/media/capture/sub_capture_target_id_web_contents_helper.h"
#endif
using blink::mojom::MediaDeviceType;
namespace content {
namespace {
std::vector<blink::mojom::AudioInputDeviceCapabilitiesPtr>
ToVectorAudioInputDeviceCapabilitiesPtr(
const std::vector<blink::mojom::AudioInputDeviceCapabilities>&
capabilities_vector,
const MediaDeviceSaltAndOrigin& salt_and_origin) {
std::vector<blink::mojom::AudioInputDeviceCapabilitiesPtr> result;
result.reserve(capabilities_vector.size());
for (auto& capabilities : capabilities_vector) {
blink::mojom::AudioInputDeviceCapabilitiesPtr capabilities_ptr =
blink::mojom::AudioInputDeviceCapabilities::New();
capabilities_ptr->device_id =
GetHMACForRawMediaDeviceID(salt_and_origin, capabilities.device_id);
capabilities_ptr->group_id = GetHMACForRawMediaDeviceID(
salt_and_origin, capabilities.group_id, /*use_group_salt=*/true);
capabilities_ptr->parameters = capabilities.parameters;
result.push_back(std::move(capabilities_ptr));
}
return result;
}
} // namespace
struct MediaDevicesDispatcherHost::AudioInputCapabilitiesRequest {
MediaDeviceSaltAndOrigin salt_and_origin;
GetAudioInputCapabilitiesCallback client_callback;
};
// static
void MediaDevicesDispatcherHost::Create(
GlobalRenderFrameHostId render_frame_host_id,
MediaStreamManager* media_stream_manager,
mojo::PendingReceiver<blink::mojom::MediaDevicesDispatcherHost> receiver) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
media_stream_manager->media_devices_manager()->RegisterDispatcherHost(
std::make_unique<MediaDevicesDispatcherHost>(render_frame_host_id,
media_stream_manager),
std::move(receiver));
}
MediaDevicesDispatcherHost::MediaDevicesDispatcherHost(
GlobalRenderFrameHostId render_frame_host_id,
MediaStreamManager* media_stream_manager)
: render_frame_host_id_(render_frame_host_id),
media_stream_manager_(media_stream_manager),
num_pending_audio_input_parameters_(0) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK(media_stream_manager_);
}
MediaDevicesDispatcherHost::~MediaDevicesDispatcherHost() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!media_stream_manager_->media_devices_manager())
return;
for (auto subscription_id : subscription_ids_) {
media_stream_manager_->media_devices_manager()
->UnsubscribeDeviceChangeNotifications(subscription_id);
}
}
void MediaDevicesDispatcherHost::EnumerateDevices(
bool request_audio_input,
bool request_video_input,
bool request_audio_output,
bool request_video_input_capabilities,
bool request_audio_input_capabilities,
EnumerateDevicesCallback client_callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if ((!request_audio_input && !request_video_input && !request_audio_output) ||
(request_video_input_capabilities && !request_video_input) ||
(request_audio_input_capabilities && !request_audio_input)) {
ReceivedBadMessage(render_frame_host_id_.child_id,
bad_message::MDDH_INVALID_DEVICE_TYPE_REQUEST);
return;
}
MediaDevicesManager::BoolDeviceTypes devices_to_enumerate;
devices_to_enumerate[static_cast<size_t>(MediaDeviceType::kMediaAudioInput)] =
request_audio_input;
devices_to_enumerate[static_cast<size_t>(MediaDeviceType::kMediaVideoInput)] =
request_video_input;
devices_to_enumerate[static_cast<size_t>(MediaDeviceType::kMediaAudioOutput)] =
request_audio_output;
media_stream_manager_->media_devices_manager()->EnumerateAndRankDevices(
render_frame_host_id_, devices_to_enumerate,
request_video_input_capabilities, request_audio_input_capabilities,
std::move(client_callback));
}
void MediaDevicesDispatcherHost::GetVideoInputCapabilities(
GetVideoInputCapabilitiesCallback client_callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(
media_stream_manager_->media_devices_manager()
->get_salt_and_origin_cb(),
render_frame_host_id_,
base::BindPostTaskToCurrentDefault(base::BindOnce(
&MediaDevicesDispatcherHost::OnVideoGotSaltAndOrigin,
weak_factory_.GetWeakPtr(), std::move(client_callback)))));
}
void MediaDevicesDispatcherHost::GetAllVideoInputDeviceFormats(
const std::string& hashed_device_id,
GetAllVideoInputDeviceFormatsCallback client_callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
auto scoped_trace = ScopedMediaStreamTrace::CreateIfEnabled(__func__);
GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(
media_stream_manager_->media_devices_manager()
->get_salt_and_origin_cb(),
render_frame_host_id_,
base::BindPostTaskToCurrentDefault(base::BindOnce(
&MediaDevicesDispatcherHost::GetVideoInputDeviceFormats,
weak_factory_.GetWeakPtr(), hashed_device_id,
false /* try_in_use_first */, std::move(client_callback),
std::move(scoped_trace)))));
}
void MediaDevicesDispatcherHost::GetAvailableVideoInputDeviceFormats(
const std::string& hashed_device_id,
GetAvailableVideoInputDeviceFormatsCallback client_callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
auto scoped_trace = ScopedMediaStreamTrace::CreateIfEnabled(__func__);
GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(
media_stream_manager_->media_devices_manager()
->get_salt_and_origin_cb(),
render_frame_host_id_,
base::BindPostTaskToCurrentDefault(base::BindOnce(
&MediaDevicesDispatcherHost::GetVideoInputDeviceFormats,
weak_factory_.GetWeakPtr(), hashed_device_id,
true /* try_in_use_first */, std::move(client_callback),
std::move(scoped_trace)))));
}
void MediaDevicesDispatcherHost::GetAudioInputCapabilities(
GetAudioInputCapabilitiesCallback client_callback) {
GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(
media_stream_manager_->media_devices_manager()
->get_salt_and_origin_cb(),
render_frame_host_id_,
base::BindPostTaskToCurrentDefault(base::BindOnce(
&MediaDevicesDispatcherHost::OnAudioGotSaltAndOrigin,
weak_factory_.GetWeakPtr(), std::move(client_callback)))));
}
void MediaDevicesDispatcherHost::AddMediaDevicesListener(
bool subscribe_audio_input,
bool subscribe_video_input,
bool subscribe_audio_output,
mojo::PendingRemote<blink::mojom::MediaDevicesListener> listener) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!subscribe_audio_input && !subscribe_video_input &&
!subscribe_audio_output) {
ReceivedBadMessage(render_frame_host_id_.child_id,
bad_message::MDDH_INVALID_DEVICE_TYPE_REQUEST);
return;
}
MediaDevicesManager::BoolDeviceTypes devices_to_subscribe;
devices_to_subscribe[static_cast<size_t>(MediaDeviceType::kMediaAudioInput)] =
subscribe_audio_input;
devices_to_subscribe[static_cast<size_t>(MediaDeviceType::kMediaVideoInput)] =
subscribe_video_input;
devices_to_subscribe[static_cast<size_t>(MediaDeviceType::kMediaAudioOutput)] =
subscribe_audio_output;
uint32_t subscription_id =
media_stream_manager_->media_devices_manager()
->SubscribeDeviceChangeNotifications(
render_frame_host_id_, devices_to_subscribe, std::move(listener));
subscription_ids_.push_back(subscription_id);
}
void MediaDevicesDispatcherHost::SetCaptureHandleConfig(
blink::mojom::CaptureHandleConfigPtr config) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!config) {
ReceivedBadMessage(render_frame_host_id_.child_id,
bad_message::MDDH_NULL_CAPTURE_HANDLE_CONFIG);
return;
}
static_assert(sizeof(decltype(config->capture_handle)::value_type) == 2, "");
if (config->capture_handle.length() > 1024) {
ReceivedBadMessage(render_frame_host_id_.child_id,
bad_message::MDDH_INVALID_CAPTURE_HANDLE);
return;
}
if (config->all_origins_permitted && !config->permitted_origins.empty()) {
ReceivedBadMessage(render_frame_host_id_.child_id,
bad_message::MDDH_INVALID_ALL_ORIGINS_PERMITTED);
return;
}
for (const auto& origin : config->permitted_origins) {
if (origin.opaque()) {
ReceivedBadMessage(render_frame_host_id_.child_id,
bad_message::MDDH_INVALID_PERMITTED_ORIGIN);
return;
}
}
if (capture_handle_config_callback_for_testing_) {
capture_handle_config_callback_for_testing_.Run(
render_frame_host_id_.child_id, render_frame_host_id_.frame_routing_id,
config->Clone());
}
GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(
[](GlobalRenderFrameHostId render_frame_host_id,
blink::mojom::CaptureHandleConfigPtr config) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RenderFrameHostImpl* const rfhi =
RenderFrameHostImpl::FromID(render_frame_host_id);
if (!rfhi || !rfhi->IsActive()) {
return;
}
if (rfhi->GetParentOrOuterDocument()) {
// Would be overkill to add thread-hopping just to support a test,
// so we execute directly.
bad_message::ReceivedBadMessage(render_frame_host_id.child_id,
bad_message::MDDH_NOT_TOP_LEVEL);
return;
}
rfhi->delegate()->SetCaptureHandleConfig(std::move(config));
},
render_frame_host_id_, std::move(config)));
}
#if !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_IOS)
void MediaDevicesDispatcherHost::CloseFocusWindowOfOpportunity(
const std::string& label) {
media_stream_manager_->SetCapturedDisplaySurfaceFocus(
label, /*focus=*/true,
/*is_from_microtask=*/true,
/*is_from_timer=*/false);
}
void MediaDevicesDispatcherHost::ProduceSubCaptureTargetId(
media::mojom::SubCaptureTargetType type,
ProduceSubCaptureTargetIdCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
GetUIThreadTaskRunner({})->PostTaskAndReplyWithResult(
FROM_HERE,
base::BindOnce(
[](GlobalRenderFrameHostId rfh_id,
media::mojom::SubCaptureTargetType type) {
WebContents* const wc =
SubCaptureTargetIdWebContentsHelper::GetRelevantWebContents(
rfh_id);
if (!wc) {
return std::string(); // Might have been asynchronously closed.
}
// No-op if already created.
SubCaptureTargetIdWebContentsHelper::CreateForWebContents(wc);
SubCaptureTargetIdWebContentsHelper* const helper =
SubCaptureTargetIdWebContentsHelper::FromWebContents(wc);
return helper->ProduceId(type);
},
render_frame_host_id_, type),
std::move(callback));
}
#endif
void MediaDevicesDispatcherHost::OnVideoGotSaltAndOrigin(
GetVideoInputCapabilitiesCallback client_callback,
const MediaDeviceSaltAndOrigin& salt_and_origin) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
MediaDevicesManager::BoolDeviceTypes requested_types;
// Also request audio devices to make sure the heuristic to determine
// the video group ID works.
requested_types[static_cast<size_t>(MediaDeviceType::kMediaVideoInput)] =
true;
media_stream_manager_->media_devices_manager()->EnumerateAndRankDevices(
render_frame_host_id_, requested_types,
base::BindOnce(
&MediaDevicesDispatcherHost::FinalizeGetVideoInputCapabilities,
weak_factory_.GetWeakPtr(), std::move(client_callback),
salt_and_origin));
}
void MediaDevicesDispatcherHost::FinalizeGetVideoInputCapabilities(
GetVideoInputCapabilitiesCallback client_callback,
const MediaDeviceSaltAndOrigin& salt_and_origin,
const MediaDeviceEnumeration& enumeration) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
std::vector<blink::mojom::VideoInputDeviceCapabilitiesPtr>
video_input_capabilities;
for (const auto& device_info :
enumeration[static_cast<size_t>(MediaDeviceType::kMediaVideoInput)]) {
std::string hmac_device_id =
GetHMACForRawMediaDeviceID(salt_and_origin, device_info.device_id);
std::string hmac_group_id = GetHMACForRawMediaDeviceID(
salt_and_origin, device_info.group_id, /*use_group_salt=*/true);
blink::mojom::VideoInputDeviceCapabilitiesPtr capabilities =
blink::mojom::VideoInputDeviceCapabilities::New();
capabilities->device_id = std::move(hmac_device_id);
capabilities->group_id = std::move(hmac_group_id);
capabilities->control_support = device_info.video_control_support;
capabilities->formats =
media_stream_manager_->media_devices_manager()->GetVideoInputFormats(
device_info.device_id, true /* try_in_use_first */);
capabilities->facing_mode = device_info.video_facing;
video_input_capabilities.push_back(std::move(capabilities));
}
std::move(client_callback).Run(std::move(video_input_capabilities));
}
void MediaDevicesDispatcherHost::GetVideoInputDeviceFormats(
const std::string& hashed_device_id,
bool try_in_use_first,
GetVideoInputDeviceFormatsCallback client_callback,
std::unique_ptr<ScopedMediaStreamTrace> scoped_trace,
const MediaDeviceSaltAndOrigin& salt_and_origin) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (scoped_trace)
scoped_trace->AddStep(__func__);
MediaStreamManager::SendMessageToNativeLog(base::StringPrintf(
"MDDH::GetVideoInputDeviceFormats({hashed_device_id=%s}, "
"{try_in_use_first=%s})",
hashed_device_id.c_str(), try_in_use_first ? "true" : "false"));
GetRawDeviceIDForMediaStreamHMAC(
blink::mojom::MediaStreamType::DEVICE_VIDEO_CAPTURE, salt_and_origin,
hashed_device_id, base::SequencedTaskRunner::GetCurrentDefault(),
base::BindOnce(
&MediaDevicesDispatcherHost::GetVideoInputDeviceFormatsWithRawId,
weak_factory_.GetWeakPtr(), hashed_device_id, try_in_use_first,
std::move(client_callback), std::move(scoped_trace)));
}
void MediaDevicesDispatcherHost::GetVideoInputDeviceFormatsWithRawId(
const std::string& hashed_device_id,
bool try_in_use_first,
GetVideoInputDeviceFormatsCallback client_callback,
std::unique_ptr<ScopedMediaStreamTrace> scoped_trace,
const std::optional<std::string>& raw_id) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (scoped_trace)
scoped_trace->AddStep(__func__);
if (!raw_id) {
// TODO(crbug.com/40848542): return an error.
MediaStreamManager::SendMessageToNativeLog(
base::StringPrintf("MDDH::GetVideoInputDeviceFormats: Failed to find "
"raw device id for '%s'",
hashed_device_id.c_str()));
std::move(client_callback).Run(media::VideoCaptureFormats());
return;
}
std::move(client_callback)
.Run(media_stream_manager_->media_devices_manager()->GetVideoInputFormats(
*raw_id, try_in_use_first));
}
void MediaDevicesDispatcherHost::OnAudioGotSaltAndOrigin(
GetAudioInputCapabilitiesCallback client_callback,
const MediaDeviceSaltAndOrigin& salt_and_origin) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
pending_audio_input_capabilities_requests_.push_back(
AudioInputCapabilitiesRequest{salt_and_origin,
std::move(client_callback)});
if (pending_audio_input_capabilities_requests_.size() > 1U)
return;
DCHECK_GT(pending_audio_input_capabilities_requests_.size(), 0U);
DCHECK(current_audio_input_capabilities_.empty());
MediaDevicesManager::BoolDeviceTypes devices_to_enumerate;
devices_to_enumerate[static_cast<size_t>(MediaDeviceType::kMediaAudioInput)] =
true;
media_stream_manager_->media_devices_manager()->EnumerateAndRankDevices(
render_frame_host_id_, devices_to_enumerate,
base::BindOnce(&MediaDevicesDispatcherHost::GotAudioInputEnumeration,
weak_factory_.GetWeakPtr()));
}
void MediaDevicesDispatcherHost::SelectAudioOutput(
const std::string& device_id,
SelectAudioOutputCallback select_audio_output_callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
// Check for user activation on the UI thread.
GetUIThreadTaskRunner({})->PostTaskAndReplyWithResult(
FROM_HERE,
base::BindOnce(
[](GlobalRenderFrameHostId render_frame_host_id) {
RenderFrameHostImpl* render_frame_host =
RenderFrameHostImpl::FromID(render_frame_host_id);
return render_frame_host &&
render_frame_host->HasTransientUserActivation();
},
render_frame_host_id_),
base::BindOnce(
&MediaDevicesDispatcherHost::OnGotTransientUserActivationResult,
weak_factory_.GetWeakPtr(), device_id,
std::move(select_audio_output_callback)));
}
void MediaDevicesDispatcherHost::OnGotTransientUserActivationResult(
const std::string& device_id,
SelectAudioOutputCallback select_audio_output_callback,
bool has_user_activation) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!has_user_activation) {
auto result = blink::mojom::SelectAudioOutputResult::New();
result->status = blink::mojom::AudioOutputStatus::kNoUserActivation;
std::move(select_audio_output_callback).Run(std::move(result));
return;
}
media_stream_manager_->media_devices_manager()
->IsSpeakerSelectionPermissionDenied(
render_frame_host_id_,
base::BindOnce(
&MediaDevicesDispatcherHost::OnAudioOutputPermissionResult,
weak_factory_.GetWeakPtr(), device_id,
std::move(select_audio_output_callback)));
}
void MediaDevicesDispatcherHost::OnAudioOutputPermissionResult(
const std::string& device_id,
SelectAudioOutputCallback select_audio_output_callback,
MediaDevicesManager::PermissionDeniedState permission_state) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (permission_state == MediaDevicesManager::PermissionDeniedState::kDenied) {
auto result = blink::mojom::SelectAudioOutputResult::New();
result->status = blink::mojom::AudioOutputStatus::kNoPermission;
std::move(select_audio_output_callback).Run(std::move(result));
return;
}
MediaDevicesManager::BoolDeviceTypes requested_types;
requested_types[static_cast<size_t>(MediaDeviceType::kMediaAudioOutput)] =
true;
media_stream_manager_->media_devices_manager()->EnumerateDevices(
requested_types,
base::BindOnce(&MediaDevicesDispatcherHost::OnAvailableAudioOutputDevices,
weak_factory_.GetWeakPtr(), device_id,
std::move(select_audio_output_callback)));
}
void MediaDevicesDispatcherHost::OnAvailableAudioOutputDevices(
const std::string& device_id,
SelectAudioOutputCallback select_audio_output_callback,
const MediaDeviceEnumeration& enumeration) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (enumeration.empty()) {
auto result = blink::mojom::SelectAudioOutputResult::New();
result->status = blink::mojom::AudioOutputStatus::kNoDevices;
std::move(select_audio_output_callback).Run(std::move(result));
return;
}
// TODO(crbug.com/372214870): Handle the case when a non-empty device_id
// is provided.
if (!device_id.empty()) {
auto result = blink::mojom::SelectAudioOutputResult::New();
result->status = blink::mojom::AudioOutputStatus::kUnknown;
std::move(select_audio_output_callback).Run(std::move(result));
}
// TODO(crbug.com/372214870): Pass the request to ui/views to prompt the user.
auto result = blink::mojom::SelectAudioOutputResult::New();
result->status = blink::mojom::AudioOutputStatus::kNoPermission;
std::move(select_audio_output_callback).Run(std::move(result));
}
void MediaDevicesDispatcherHost::GotAudioInputEnumeration(
const MediaDeviceEnumeration& enumeration) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK_GT(pending_audio_input_capabilities_requests_.size(), 0U);
DCHECK(current_audio_input_capabilities_.empty());
DCHECK_EQ(num_pending_audio_input_parameters_, 0U);
for (const auto& device_info :
enumeration[static_cast<size_t>(MediaDeviceType::kMediaAudioInput)]) {
auto parameters = media::AudioParameters::UnavailableDeviceParams();
blink::mojom::AudioInputDeviceCapabilities capabilities(
device_info.device_id, device_info.group_id, parameters,
parameters.IsValid(), parameters.channels(), parameters.sample_rate(),
parameters.GetBufferDuration());
current_audio_input_capabilities_.push_back(std::move(capabilities));
}
// No devices or fake devices, no need to read audio parameters.
if (current_audio_input_capabilities_.empty() ||
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kUseFakeDeviceForMediaStream)) {
FinalizeGetAudioInputCapabilities();
return;
}
num_pending_audio_input_parameters_ =
current_audio_input_capabilities_.size();
for (size_t i = 0; i < num_pending_audio_input_parameters_; ++i) {
media_stream_manager_->audio_system()->GetInputStreamParameters(
current_audio_input_capabilities_[i].device_id,
base::BindOnce(&MediaDevicesDispatcherHost::GotAudioInputParameters,
weak_factory_.GetWeakPtr(), i));
}
}
void MediaDevicesDispatcherHost::GotAudioInputParameters(
size_t index,
const std::optional<media::AudioParameters>& parameters) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK_GT(pending_audio_input_capabilities_requests_.size(), 0U);
DCHECK_GT(current_audio_input_capabilities_.size(), index);
DCHECK_GT(num_pending_audio_input_parameters_, 0U);
if (parameters)
current_audio_input_capabilities_[index].parameters = *parameters;
DCHECK(current_audio_input_capabilities_[index].parameters.IsValid());
if (--num_pending_audio_input_parameters_ == 0U)
FinalizeGetAudioInputCapabilities();
}
void MediaDevicesDispatcherHost::FinalizeGetAudioInputCapabilities() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK_GT(pending_audio_input_capabilities_requests_.size(), 0U);
DCHECK_EQ(num_pending_audio_input_parameters_, 0U);
for (auto& request : pending_audio_input_capabilities_requests_) {
std::move(request.client_callback)
.Run(ToVectorAudioInputDeviceCapabilitiesPtr(
current_audio_input_capabilities_, request.salt_and_origin));
}
current_audio_input_capabilities_.clear();
pending_audio_input_capabilities_requests_.clear();
}
void MediaDevicesDispatcherHost::ReceivedBadMessage(
int render_process_id,
bad_message::BadMessageReason reason) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (bad_message_callback_for_testing_) {
bad_message_callback_for_testing_.Run(render_process_id, reason);
}
bad_message::ReceivedBadMessage(render_process_id, reason);
}
void MediaDevicesDispatcherHost::SetBadMessageCallbackForTesting(
base::RepeatingCallback<void(int, bad_message::BadMessageReason)>
callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK(!bad_message_callback_for_testing_);
bad_message_callback_for_testing_ = callback;
}
void MediaDevicesDispatcherHost::SetCaptureHandleConfigCallbackForTesting(
base::RepeatingCallback<
void(int, int, blink::mojom::CaptureHandleConfigPtr)> callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK(!capture_handle_config_callback_for_testing_);
capture_handle_config_callback_for_testing_ = std::move(callback);
}
} // namespace content