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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/cast/logging/raw_event_subscriber_bundle.h"
#include "media/cast/cast_environment.h"
#include "media/cast/logging/receiver_time_offset_estimator_impl.h"
namespace media {
namespace cast {
RawEventSubscriberBundleForStream::RawEventSubscriberBundleForStream(
const scoped_refptr<CastEnvironment>& cast_environment,
bool is_audio,
ReceiverTimeOffsetEstimator* offset_estimator)
: cast_environment_(cast_environment),
event_subscriber_(
is_audio ? AUDIO_EVENT : VIDEO_EVENT,
is_audio ? kMaxAudioEventEntries : kMaxVideoEventEntries),
stats_subscriber_(
is_audio ? AUDIO_EVENT : VIDEO_EVENT,
cast_environment->Clock(), offset_estimator) {
cast_environment_->Logging()->AddRawEventSubscriber(&event_subscriber_);
cast_environment_->Logging()->AddRawEventSubscriber(&stats_subscriber_);
}
RawEventSubscriberBundleForStream::~RawEventSubscriberBundleForStream() {
cast_environment_->Logging()->RemoveRawEventSubscriber(&event_subscriber_);
cast_environment_->Logging()->RemoveRawEventSubscriber(&stats_subscriber_);
}
EncodingEventSubscriber*
RawEventSubscriberBundleForStream::GetEncodingEventSubscriber() {
return &event_subscriber_;
}
StatsEventSubscriber*
RawEventSubscriberBundleForStream::GetStatsEventSubscriber() {
return &stats_subscriber_;
}
RawEventSubscriberBundle::RawEventSubscriberBundle(
const scoped_refptr<CastEnvironment>& cast_environment)
: cast_environment_(cast_environment) {}
RawEventSubscriberBundle::~RawEventSubscriberBundle() {
if (receiver_offset_estimator_.get()) {
cast_environment_->Logging()->RemoveRawEventSubscriber(
receiver_offset_estimator_.get());
}
}
void RawEventSubscriberBundle::AddEventSubscribers(bool is_audio) {
if (!receiver_offset_estimator_.get()) {
receiver_offset_estimator_.reset(new ReceiverTimeOffsetEstimatorImpl);
cast_environment_->Logging()->AddRawEventSubscriber(
receiver_offset_estimator_.get());
}
SubscribersMapByStream::iterator it = subscribers_.find(is_audio);
if (it != subscribers_.end())
return;
subscribers_.insert(std::make_pair(
is_audio,
make_linked_ptr(new RawEventSubscriberBundleForStream(
cast_environment_, is_audio, receiver_offset_estimator_.get()))));
}
void RawEventSubscriberBundle::RemoveEventSubscribers(bool is_audio) {
SubscribersMapByStream::iterator it = subscribers_.find(is_audio);
if (it == subscribers_.end())
return;
subscribers_.erase(it);
if (subscribers_.empty()) {
cast_environment_->Logging()->RemoveRawEventSubscriber(
receiver_offset_estimator_.get());
receiver_offset_estimator_.reset();
}
}
EncodingEventSubscriber*
RawEventSubscriberBundle::GetEncodingEventSubscriber(bool is_audio) {
SubscribersMapByStream::iterator it = subscribers_.find(is_audio);
return it == subscribers_.end() ?
NULL : it->second->GetEncodingEventSubscriber();
}
StatsEventSubscriber*
RawEventSubscriberBundle::GetStatsEventSubscriber(bool is_audio) {
SubscribersMapByStream::iterator it = subscribers_.find(is_audio);
return it == subscribers_.end() ?
NULL : it->second->GetStatsEventSubscriber();
}
} // namespace cast
} // namespace media
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