blob: aaecb0780c1e911ee029d4a0126039a19b4e638c [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 "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"
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
// Helper function that returns |base_file_name| with |file_name_extension| and
// |id| added to it as as extensions.
base::FilePath GetDebugRecordingFileNameWithExtensions(
const base::FilePath& base_file_name,
const base::FilePath::StringType& file_name_extension,
int id) {
return base_file_name.AddExtension(file_name_extension)
.AddExtension(IntToStringType(id));
}
} // namespace
AudioDebugRecordingManager::AudioDebugRecordingManager(
scoped_refptr<base::SingleThreadTaskRunner> task_runner)
: task_runner_(std::move(task_runner)), weak_factory_(this) {}
AudioDebugRecordingManager::~AudioDebugRecordingManager() {}
void AudioDebugRecordingManager::EnableDebugRecording(
const base::FilePath& base_file_name) {
DCHECK(task_runner_->BelongsToCurrentThread());
DCHECK(!base_file_name.empty());
for (const auto& it : debug_recording_helpers_) {
it.second.first->EnableDebugRecording(
GetDebugRecordingFileNameWithExtensions(base_file_name,
it.second.second, it.first));
}
debug_recording_base_file_name_ = base_file_name;
}
void AudioDebugRecordingManager::DisableDebugRecording() {
DCHECK(task_runner_->BelongsToCurrentThread());
for (const auto& it : debug_recording_helpers_)
it.second.first->DisableDebugRecording();
debug_recording_base_file_name_.clear();
}
std::unique_ptr<AudioDebugRecorder>
AudioDebugRecordingManager::RegisterDebugRecordingSource(
const base::FilePath::StringType& file_name_extension,
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(
GetDebugRecordingFileNameWithExtensions(debug_recording_base_file_name_,
file_name_extension, id));
}
debug_recording_helpers_[id] =
std::make_pair(recording_helper.get(), file_name_extension);
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 base::MakeUnique<AudioDebugRecordingHelper>(
params, task_runner, std::move(on_destruction_closure));
}
bool AudioDebugRecordingManager::IsDebugRecordingEnabled() {
DCHECK(task_runner_->BelongsToCurrentThread());
return !debug_recording_base_file_name_.empty();
}
} // namespace media