blob: 7d8ebc500983477c1e9be3b953f773491ff3a15d [file] [log] [blame]
// Copyright 2017 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/audio/audio_debug_recording_manager.h"
#include <memory>
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/memory/ptr_util.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/string_number_conversions.h"
#include "base/task_runner_util.h"
namespace media {
namespace {
// Running id recording sources.
int g_next_stream_id = 1;
#if defined(OS_WIN)
#define IntToStringType base::IntToString16
#else
#define IntToStringType base::IntToString
#endif
// Returns file name suffix created by appending |id| to |stream_type|.
base::FilePath GetDebugRecordingFileNameSuffix(
const base::FilePath::StringType& stream_type,
int id) {
return base::FilePath(stream_type).AddExtension(IntToStringType(id));
}
} // namespace
AudioDebugRecordingManager::AudioDebugRecordingManager(
scoped_refptr<base::SingleThreadTaskRunner> task_runner)
: task_runner_(std::move(task_runner)), weak_factory_(this) {}
AudioDebugRecordingManager::~AudioDebugRecordingManager() = default;
void AudioDebugRecordingManager::EnableDebugRecording(
CreateWavFileCallback create_file_callback) {
DCHECK(task_runner_->BelongsToCurrentThread());
DCHECK(!create_file_callback.is_null());
create_file_callback_ = std::move(create_file_callback);
for (const auto& it : debug_recording_helpers_) {
int id = it.first;
AudioDebugRecordingHelper* recording_helper = it.second.first;
const base::FilePath::StringType& stream_type = it.second.second;
recording_helper->EnableDebugRecording(
GetDebugRecordingFileNameSuffix(stream_type, id),
create_file_callback_);
}
}
void AudioDebugRecordingManager::DisableDebugRecording() {
DCHECK(task_runner_->BelongsToCurrentThread());
DCHECK(!create_file_callback_.is_null());
for (const auto& it : debug_recording_helpers_) {
AudioDebugRecordingHelper* recording_helper = it.second.first;
recording_helper->DisableDebugRecording();
}
create_file_callback_.Reset();
}
std::unique_ptr<AudioDebugRecorder>
AudioDebugRecordingManager::RegisterDebugRecordingSource(
const base::FilePath::StringType& stream_type,
const AudioParameters& params) {
DCHECK(task_runner_->BelongsToCurrentThread());
const int id = g_next_stream_id++;
// Normally, the manager will outlive the one who registers and owns the
// returned recorder. But to not require this we use a weak pointer.
std::unique_ptr<AudioDebugRecordingHelper> recording_helper =
CreateAudioDebugRecordingHelper(
params, task_runner_,
base::BindOnce(
&AudioDebugRecordingManager::UnregisterDebugRecordingSource,
weak_factory_.GetWeakPtr(), id));
if (IsDebugRecordingEnabled()) {
recording_helper->EnableDebugRecording(
GetDebugRecordingFileNameSuffix(stream_type, id),
create_file_callback_);
}
debug_recording_helpers_[id] =
std::make_pair(recording_helper.get(), stream_type);
return base::WrapUnique<AudioDebugRecorder>(recording_helper.release());
}
void AudioDebugRecordingManager::UnregisterDebugRecordingSource(int id) {
DCHECK(task_runner_->BelongsToCurrentThread());
auto it = debug_recording_helpers_.find(id);
DCHECK(it != debug_recording_helpers_.end());
debug_recording_helpers_.erase(id);
}
std::unique_ptr<AudioDebugRecordingHelper>
AudioDebugRecordingManager::CreateAudioDebugRecordingHelper(
const AudioParameters& params,
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
base::OnceClosure on_destruction_closure) {
return std::make_unique<AudioDebugRecordingHelper>(
params, task_runner, std::move(on_destruction_closure));
}
bool AudioDebugRecordingManager::IsDebugRecordingEnabled() {
DCHECK(task_runner_->BelongsToCurrentThread());
return !create_file_callback_.is_null();
}
} // namespace media