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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/media/webrtc/audio_debug_recordings_handler.h"
#include <string>
#include <utility>
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/thread_pool.h"
#include "base/time/time.h"
#include "components/webrtc_logging/browser/text_log_list.h"
#include "content/public/browser/audio_service.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
#include "media/audio/audio_debug_recording_session.h"
#include "services/audio/public/cpp/debug_recording_session_factory.h"
using content::BrowserThread;
// Keys used to attach handler to the RenderProcessHost
const char AudioDebugRecordingsHandler::kAudioDebugRecordingsHandlerKey[] =
"kAudioDebugRecordingsHandlerKey";
namespace {
// Returns a path name to be used as prefix for audio debug recordings files.
base::FilePath GetAudioDebugRecordingsPrefixPath(
const base::FilePath& directory,
uint64_t audio_debug_recordings_id) {
static const char kAudioDebugRecordingsFilePrefix[] = "AudioDebugRecordings.";
return directory.AppendASCII(kAudioDebugRecordingsFilePrefix +
base::NumberToString(audio_debug_recordings_id));
}
base::FilePath GetLogDirectoryAndEnsureExists(
const base::FilePath& browser_context_path) {
base::FilePath log_dir_path =
webrtc_logging::TextLogList::GetWebRtcLogDirectoryForBrowserContextPath(
browser_context_path);
base::File::Error error;
if (!base::CreateDirectoryAndGetError(log_dir_path, &error)) {
DLOG(ERROR) << "Could not create WebRTC log directory, error: " << error;
return base::FilePath();
}
return log_dir_path;
}
} // namespace
AudioDebugRecordingsHandler::AudioDebugRecordingsHandler(
content::BrowserContext* browser_context)
: browser_context_(browser_context), current_audio_debug_recordings_id_(0) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(browser_context_);
}
AudioDebugRecordingsHandler::~AudioDebugRecordingsHandler() = default;
void AudioDebugRecordingsHandler::StartAudioDebugRecordings(
content::RenderProcessHost* host,
base::TimeDelta delay,
RecordingDoneCallback callback,
RecordingErrorCallback error_callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(host);
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, {base::MayBlock(), base::TaskPriority::BEST_EFFORT},
base::BindOnce(&GetLogDirectoryAndEnsureExists,
browser_context_->GetPath()),
base::BindOnce(&AudioDebugRecordingsHandler::DoStartAudioDebugRecordings,
this, host->GetDeprecatedID(), delay, std::move(callback),
std::move(error_callback)));
}
void AudioDebugRecordingsHandler::StopAudioDebugRecordings(
content::RenderProcessHost* host,
RecordingDoneCallback callback,
RecordingErrorCallback error_callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(host);
const bool is_manual_stop = true;
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, {base::MayBlock(), base::TaskPriority::BEST_EFFORT},
base::BindOnce(&GetLogDirectoryAndEnsureExists,
browser_context_->GetPath()),
base::BindOnce(&AudioDebugRecordingsHandler::DoStopAudioDebugRecordings,
this, host->GetDeprecatedID(), is_manual_stop,
current_audio_debug_recordings_id_, std::move(callback),
std::move(error_callback)));
}
void AudioDebugRecordingsHandler::DoStartAudioDebugRecordings(
int render_process_host_id,
base::TimeDelta delay,
RecordingDoneCallback callback,
RecordingErrorCallback error_callback,
const base::FilePath& log_directory) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (audio_debug_recording_session_) {
std::move(error_callback).Run("Audio debug recordings already in progress");
return;
}
base::FilePath prefix_path = GetAudioDebugRecordingsPrefixPath(
log_directory, ++current_audio_debug_recordings_id_);
{
content::RenderProcessHost* const host =
content::RenderProcessHost::FromID(render_process_host_id);
if (!host) {
std::move(error_callback).Run("Render process host not found");
return;
}
host->EnableAudioDebugRecordings(prefix_path);
}
mojo::PendingRemote<audio::mojom::DebugRecording> debug_recording;
content::GetAudioService().BindDebugRecording(
debug_recording.InitWithNewPipeAndPassReceiver());
audio_debug_recording_session_ = audio::CreateAudioDebugRecordingSession(
prefix_path, std::move(debug_recording));
if (delay.is_zero()) {
const bool is_stopped = false, is_manual_stop = false;
std::move(callback).Run(prefix_path.AsUTF8Unsafe(), is_stopped,
is_manual_stop);
return;
}
const bool is_manual_stop = false;
content::GetUIThreadTaskRunner({})->PostDelayedTask(
FROM_HERE,
base::BindOnce(&AudioDebugRecordingsHandler::DoStopAudioDebugRecordings,
this, render_process_host_id, is_manual_stop,
current_audio_debug_recordings_id_, std::move(callback),
std::move(error_callback), log_directory),
delay);
}
void AudioDebugRecordingsHandler::DoStopAudioDebugRecordings(
int render_process_host_id,
bool is_manual_stop,
uint64_t audio_debug_recordings_id,
RecordingDoneCallback callback,
RecordingErrorCallback error_callback,
const base::FilePath& log_directory) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK_LE(audio_debug_recordings_id, current_audio_debug_recordings_id_);
base::FilePath prefix_path = GetAudioDebugRecordingsPrefixPath(
log_directory, audio_debug_recordings_id);
// Prevent an old posted StopAudioDebugRecordings() call to stop a newer dump.
// This could happen in a sequence like:
// Start(10); // Start dump 1. Post Stop() to run after 10 seconds.
// Stop(); // Manually stop dump 1 before 10 seconds;
// Start(20); // Start dump 2. Posted Stop() for 1 should not stop dump 2.
if (audio_debug_recordings_id < current_audio_debug_recordings_id_) {
const bool is_stopped = false;
std::move(callback).Run(prefix_path.AsUTF8Unsafe(), is_stopped,
is_manual_stop);
return;
}
if (!audio_debug_recording_session_) {
std::move(error_callback).Run("No audio debug recording in progress");
return;
}
audio_debug_recording_session_.reset();
content::RenderProcessHost* const host =
content::RenderProcessHost::FromID(render_process_host_id);
if (host) {
host->DisableAudioDebugRecordings();
}
const bool is_stopped = true;
std::move(callback).Run(prefix_path.AsUTF8Unsafe(), is_stopped,
is_manual_stop);
}
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