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// Copyright 2021 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 "media/mojo/services/media_foundation_renderer_wrapper.h"
#include "base/callback_helpers.h"
#include "media/base/win/mf_helpers.h"
#include "media/mojo/mojom/renderer_extensions.mojom.h"
#include "mojo/public/cpp/bindings/callback_helpers.h"
#include "mojo/public/cpp/system/platform_handle.h"
namespace media {
namespace {
bool HasAudio(MediaResource* media_resource) {
DCHECK(media_resource->GetType() == MediaResource::Type::STREAM);
const auto media_streams = media_resource->GetAllStreams();
for (const media::DemuxerStream* stream : media_streams) {
if (stream->type() == media::DemuxerStream::Type::AUDIO)
return true;
}
return false;
}
} // namespace
MediaFoundationRendererWrapper::MediaFoundationRendererWrapper(
scoped_refptr<base::SequencedTaskRunner> task_runner,
mojom::FrameInterfaceFactory* frame_interfaces,
mojo::PendingReceiver<RendererExtension> renderer_extension_receiver)
: frame_interfaces_(frame_interfaces),
renderer_(std::make_unique<MediaFoundationRenderer>(
std::move(task_runner),
/*force_dcomp_mode_for_testing=*/false)),
renderer_extension_receiver_(this,
std::move(renderer_extension_receiver)),
site_mute_observer_(this) {
DVLOG_FUNC(1);
DCHECK(frame_interfaces_);
}
MediaFoundationRendererWrapper::~MediaFoundationRendererWrapper() {
DVLOG_FUNC(1);
if (!dcomp_surface_token_.is_empty())
dcomp_surface_registry_->UnregisterDCOMPSurfaceHandle(dcomp_surface_token_);
}
void MediaFoundationRendererWrapper::Initialize(
MediaResource* media_resource,
RendererClient* client,
PipelineStatusCallback init_cb) {
if (HasAudio(media_resource)) {
frame_interfaces_->RegisterMuteStateObserver(
site_mute_observer_.BindNewPipeAndPassRemote());
}
renderer_->Initialize(media_resource, client, std::move(init_cb));
}
void MediaFoundationRendererWrapper::SetCdm(CdmContext* cdm_context,
CdmAttachedCB cdm_attached_cb) {
renderer_->SetCdm(cdm_context, std::move(cdm_attached_cb));
}
void MediaFoundationRendererWrapper::SetLatencyHint(
absl::optional<base::TimeDelta> latency_hint) {
renderer_->SetLatencyHint(latency_hint);
}
void MediaFoundationRendererWrapper::Flush(base::OnceClosure flush_cb) {
renderer_->Flush(std::move(flush_cb));
}
void MediaFoundationRendererWrapper::StartPlayingFrom(base::TimeDelta time) {
renderer_->StartPlayingFrom(time);
}
void MediaFoundationRendererWrapper::SetPlaybackRate(double playback_rate) {
renderer_->SetPlaybackRate(playback_rate);
}
void MediaFoundationRendererWrapper::SetVolume(float volume) {
volume_ = volume;
renderer_->SetVolume(muted_ ? 0 : volume_);
}
base::TimeDelta MediaFoundationRendererWrapper::GetMediaTime() {
return renderer_->GetMediaTime();
}
void MediaFoundationRendererWrapper::GetDCOMPSurface(
GetDCOMPSurfaceCallback callback) {
if (has_get_dcomp_surface_called_) {
mojo::ReportBadMessage("GetDCOMPSurface should only be called once!");
return;
}
has_get_dcomp_surface_called_ = true;
renderer_->GetDCompSurface(
base::BindOnce(&MediaFoundationRendererWrapper::OnReceiveDCOMPSurface,
weak_factory_.GetWeakPtr(), std::move(callback)));
}
void MediaFoundationRendererWrapper::SetVideoStreamEnabled(bool enabled) {
renderer_->SetVideoStreamEnabled(enabled);
}
void MediaFoundationRendererWrapper::SetOutputParams(
const gfx::Rect& output_rect) {
renderer_->SetOutputParams(output_rect);
}
void MediaFoundationRendererWrapper::OnMuteStateChange(bool muted) {
DVLOG_FUNC(2) << ": muted=" << muted;
if (muted == muted_)
return;
muted_ = muted;
renderer_->SetVolume(muted_ ? 0 : volume_);
}
void MediaFoundationRendererWrapper::OnReceiveDCOMPSurface(
GetDCOMPSurfaceCallback callback,
base::win::ScopedHandle handle) {
if (!handle.IsValid()) {
std::move(callback).Run(absl::nullopt);
return;
}
if (!dcomp_surface_registry_) {
frame_interfaces_->CreateDCOMPSurfaceRegistry(
dcomp_surface_registry_.BindNewPipeAndPassReceiver());
}
auto register_cb = base::BindOnce(
&MediaFoundationRendererWrapper::OnDCOMPSurfaceHandleRegistered,
weak_factory_.GetWeakPtr(), std::move(callback));
dcomp_surface_registry_->RegisterDCOMPSurfaceHandle(
mojo::PlatformHandle(std::move(handle)),
mojo::WrapCallbackWithDefaultInvokeIfNotRun(std::move(register_cb),
absl::nullopt));
}
void MediaFoundationRendererWrapper::OnDCOMPSurfaceHandleRegistered(
GetDCOMPSurfaceCallback callback,
const absl::optional<base::UnguessableToken>& token) {
if (token) {
DCHECK(dcomp_surface_token_.is_empty());
dcomp_surface_token_ = token.value();
}
std::move(callback).Run(token);
}
} // namespace media
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