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// Copyright 2014 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/mojo_renderer_impl.h"
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "media/base/bind_to_current_loop.h"
#include "media/base/demuxer_stream_provider.h"
#include "media/mojo/services/mojo_demuxer_stream_impl.h"
#include "third_party/mojo/src/mojo/public/cpp/application/connect.h"
#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_impl.h"
#include "third_party/mojo/src/mojo/public/interfaces/application/service_provider.mojom.h"
namespace media {
MojoRendererImpl::MojoRendererImpl(
const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
mojo::MediaRendererPtr remote_media_renderer)
: task_runner_(task_runner),
remote_media_renderer_(remote_media_renderer.Pass()),
binding_(this),
weak_factory_(this) {
DVLOG(1) << __FUNCTION__;
}
MojoRendererImpl::~MojoRendererImpl() {
DVLOG(1) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
// Connection to |remote_media_renderer_| will error-out here.
}
// TODO(xhwang): Support |waiting_for_decryption_key_cb| if needed.
void MojoRendererImpl::Initialize(
DemuxerStreamProvider* demuxer_stream_provider,
const PipelineStatusCB& init_cb,
const StatisticsCB& statistics_cb,
const BufferingStateCB& buffering_state_cb,
const base::Closure& ended_cb,
const PipelineStatusCB& error_cb,
const base::Closure& /* waiting_for_decryption_key_cb */) {
DVLOG(1) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
DCHECK(demuxer_stream_provider);
demuxer_stream_provider_ = demuxer_stream_provider;
init_cb_ = init_cb;
ended_cb_ = ended_cb;
error_cb_ = error_cb;
buffering_state_cb_ = buffering_state_cb;
// Create audio and video mojo::DemuxerStream and bind its lifetime to the
// pipe.
DemuxerStream* const audio =
demuxer_stream_provider_->GetStream(DemuxerStream::AUDIO);
DemuxerStream* const video =
demuxer_stream_provider_->GetStream(DemuxerStream::VIDEO);
mojo::DemuxerStreamPtr audio_stream;
if (audio)
mojo::BindToProxy(new MojoDemuxerStreamImpl(audio), &audio_stream);
mojo::DemuxerStreamPtr video_stream;
if (video)
mojo::BindToProxy(new MojoDemuxerStreamImpl(video), &video_stream);
mojo::MediaRendererClientPtr client_ptr;
binding_.Bind(GetProxy(&client_ptr));
remote_media_renderer_->Initialize(
client_ptr.Pass(),
audio_stream.Pass(),
video_stream.Pass(),
BindToCurrentLoop(base::Bind(&MojoRendererImpl::OnInitialized,
weak_factory_.GetWeakPtr())));
}
void MojoRendererImpl::SetCdm(CdmContext* cdm_context,
const CdmAttachedCB& cdm_attached_cb) {
DVLOG(1) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
NOTIMPLEMENTED();
cdm_attached_cb.Run(false);
}
void MojoRendererImpl::Flush(const base::Closure& flush_cb) {
DVLOG(2) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
remote_media_renderer_->Flush(flush_cb);
}
void MojoRendererImpl::StartPlayingFrom(base::TimeDelta time) {
DVLOG(2) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
{
base::AutoLock auto_lock(lock_);
time_ = time;
}
remote_media_renderer_->StartPlayingFrom(time.InMicroseconds());
}
void MojoRendererImpl::SetPlaybackRate(float playback_rate) {
DVLOG(2) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
remote_media_renderer_->SetPlaybackRate(playback_rate);
}
void MojoRendererImpl::SetVolume(float volume) {
DVLOG(2) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
remote_media_renderer_->SetVolume(volume);
}
base::TimeDelta MojoRendererImpl::GetMediaTime() {
base::AutoLock auto_lock(lock_);
DVLOG(3) << __FUNCTION__ << ": " << time_.InMilliseconds() << " ms";
return time_;
}
bool MojoRendererImpl::HasAudio() {
DVLOG(1) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
DCHECK(remote_media_renderer_.get()); // We always bind the renderer.
return !!demuxer_stream_provider_->GetStream(DemuxerStream::AUDIO);
}
bool MojoRendererImpl::HasVideo() {
DVLOG(1) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
return !!demuxer_stream_provider_->GetStream(DemuxerStream::VIDEO);
}
void MojoRendererImpl::OnTimeUpdate(int64_t time_usec, int64_t max_time_usec) {
DVLOG(3) << __FUNCTION__ << ": " << time_usec << ", " << max_time_usec;
if (!task_runner_->BelongsToCurrentThread()) {
task_runner_->PostTask(FROM_HERE,
base::Bind(&MojoRendererImpl::OnTimeUpdate,
weak_factory_.GetWeakPtr(),
time_usec,
max_time_usec));
return;
}
base::AutoLock auto_lock(lock_);
time_ = base::TimeDelta::FromMicroseconds(time_usec);
max_time_ = base::TimeDelta::FromMicroseconds(max_time_usec);
}
void MojoRendererImpl::OnBufferingStateChange(mojo::BufferingState state) {
DVLOG(2) << __FUNCTION__;
if (!task_runner_->BelongsToCurrentThread()) {
task_runner_->PostTask(FROM_HERE,
base::Bind(&MojoRendererImpl::OnBufferingStateChange,
weak_factory_.GetWeakPtr(),
state));
return;
}
buffering_state_cb_.Run(static_cast<media::BufferingState>(state));
}
void MojoRendererImpl::OnEnded() {
DVLOG(1) << __FUNCTION__;
if (!task_runner_->BelongsToCurrentThread()) {
task_runner_->PostTask(
FROM_HERE,
base::Bind(&MojoRendererImpl::OnEnded, weak_factory_.GetWeakPtr()));
return;
}
ended_cb_.Run();
}
void MojoRendererImpl::OnError() {
DVLOG(1) << __FUNCTION__;
if (!task_runner_->BelongsToCurrentThread()) {
task_runner_->PostTask(
FROM_HERE,
base::Bind(&MojoRendererImpl::OnError, weak_factory_.GetWeakPtr()));
return;
}
// TODO(tim): Should we plumb error code from remote renderer?
// http://crbug.com/410451.
if (init_cb_.is_null()) // We have initialized already.
error_cb_.Run(PIPELINE_ERROR_DECODE);
else
init_cb_.Run(PIPELINE_ERROR_COULD_NOT_RENDER);
}
void MojoRendererImpl::OnInitialized() {
DVLOG(1) << __FUNCTION__;
DCHECK(task_runner_->BelongsToCurrentThread());
if (!init_cb_.is_null())
base::ResetAndReturn(&init_cb_).Run(PIPELINE_OK);
}
} // namespace media
|
