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// Copyright 2013 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/cast_environment.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/logging.h"
using base::TaskRunner;
namespace {
void DeleteLoggingOnMainThread(scoped_ptr<media::cast::LoggingImpl> logging) {
logging.reset();
}
} // namespace
namespace media {
namespace cast {
CastEnvironment::CastEnvironment(
scoped_ptr<base::TickClock> clock,
scoped_refptr<TaskRunner> main_thread_proxy,
scoped_refptr<TaskRunner> audio_encode_thread_proxy,
scoped_refptr<TaskRunner> audio_decode_thread_proxy,
scoped_refptr<TaskRunner> video_encode_thread_proxy,
scoped_refptr<TaskRunner> video_decode_thread_proxy,
scoped_refptr<TaskRunner> transport_thread_proxy,
const CastLoggingConfig& config)
: clock_(clock.Pass()),
main_thread_proxy_(main_thread_proxy),
audio_encode_thread_proxy_(audio_encode_thread_proxy),
audio_decode_thread_proxy_(audio_decode_thread_proxy),
video_encode_thread_proxy_(video_encode_thread_proxy),
video_decode_thread_proxy_(video_decode_thread_proxy),
transport_thread_proxy_(transport_thread_proxy),
logging_(new LoggingImpl(main_thread_proxy, config)) {
DCHECK(main_thread_proxy) << "Main thread required";
}
CastEnvironment::~CastEnvironment() {
// Logging must be deleted on the main thread.
if (main_thread_proxy_->RunsTasksOnCurrentThread()) {
logging_.reset();
} else {
main_thread_proxy_->PostTask(
FROM_HERE,
base::Bind(&DeleteLoggingOnMainThread, base::Passed(&logging_)));
}
}
bool CastEnvironment::PostTask(ThreadId identifier,
const tracked_objects::Location& from_here,
const base::Closure& task) {
scoped_refptr<TaskRunner> task_runner =
GetMessageTaskRunnerForThread(identifier);
return task_runner->PostTask(from_here, task);
}
bool CastEnvironment::PostDelayedTask(ThreadId identifier,
const tracked_objects::Location& from_here,
const base::Closure& task,
base::TimeDelta delay) {
scoped_refptr<TaskRunner> task_runner =
GetMessageTaskRunnerForThread(identifier);
return task_runner->PostDelayedTask(from_here, task, delay);
}
scoped_refptr<TaskRunner> CastEnvironment::GetMessageTaskRunnerForThread(
ThreadId identifier) {
switch (identifier) {
case CastEnvironment::MAIN:
return main_thread_proxy_;
case CastEnvironment::AUDIO_ENCODER:
return audio_encode_thread_proxy_;
case CastEnvironment::AUDIO_DECODER:
return audio_decode_thread_proxy_;
case CastEnvironment::VIDEO_ENCODER:
return video_encode_thread_proxy_;
case CastEnvironment::VIDEO_DECODER:
return video_decode_thread_proxy_;
case CastEnvironment::TRANSPORT:
return transport_thread_proxy_;
default:
NOTREACHED() << "Invalid Thread identifier";
return NULL;
}
}
bool CastEnvironment::CurrentlyOn(ThreadId identifier) {
switch (identifier) {
case CastEnvironment::MAIN:
return main_thread_proxy_->RunsTasksOnCurrentThread();
case CastEnvironment::AUDIO_ENCODER:
return audio_encode_thread_proxy_->RunsTasksOnCurrentThread();
case CastEnvironment::AUDIO_DECODER:
return audio_decode_thread_proxy_->RunsTasksOnCurrentThread();
case CastEnvironment::VIDEO_ENCODER:
return video_encode_thread_proxy_->RunsTasksOnCurrentThread();
case CastEnvironment::VIDEO_DECODER:
return video_decode_thread_proxy_->RunsTasksOnCurrentThread();
case CastEnvironment::TRANSPORT:
return transport_thread_proxy_->RunsTasksOnCurrentThread();
default:
NOTREACHED() << "Invalid thread identifier";
return false;
}
}
base::TickClock* CastEnvironment::Clock() const {
return clock_.get();
}
LoggingImpl* CastEnvironment::Logging() {
DCHECK(CurrentlyOn(CastEnvironment::MAIN)) <<
"Must be called from main thread";
return logging_.get();
}
} // namespace cast
} // namespace media
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