| // 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 GetOutputDebugRecordingFileNameWithExtensions( |
| 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( |
| GetOutputDebugRecordingFileNameWithExtensions( |
| 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( |
| GetOutputDebugRecordingFileNameWithExtensions( |
| 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 |