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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.
#ifndef CHROME_BROWSER_MEDIA_WEBRTC_AUDIO_DEBUG_RECORDINGS_HANDLER_H_
#define CHROME_BROWSER_MEDIA_WEBRTC_AUDIO_DEBUG_RECORDINGS_HANDLER_H_
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <string>
#include "base/files/file_path.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
namespace content {
class BrowserContext;
class RenderProcessHost;
}
namespace media {
class AudioDebugRecordingSession;
}
// AudioDebugRecordingsHandler provides an interface to start and stop
// AudioDebugRecordings, including WebRTC AEC dumps. Lives on the UI thread.
class AudioDebugRecordingsHandler
: public base::RefCountedThreadSafe<AudioDebugRecordingsHandler> {
public:
typedef base::OnceCallback<void(bool, const std::string&)>
GenericDoneCallback;
typedef base::OnceCallback<void(const std::string&)> RecordingErrorCallback;
typedef base::OnceCallback<void(const std::string&, bool, bool)>
RecordingDoneCallback;
// Key used to attach the handler to the RenderProcessHost
static const char kAudioDebugRecordingsHandlerKey[];
explicit AudioDebugRecordingsHandler(
content::BrowserContext* browser_context);
AudioDebugRecordingsHandler(const AudioDebugRecordingsHandler&) = delete;
AudioDebugRecordingsHandler& operator=(const AudioDebugRecordingsHandler&) =
delete;
// Starts an audio debug recording. The recording lasts the given |delay|,
// unless |delay| is zero, in which case recording will continue until
// StopAudioDebugRecordings() is explicitly invoked.
// |callback| is invoked once recording stops. If |delay| is zero
// |callback| is invoked once recording starts.
// If a recording was already in progress, |error_callback| is invoked instead
// of |callback|.
void StartAudioDebugRecordings(content::RenderProcessHost* host,
base::TimeDelta delay,
RecordingDoneCallback callback,
RecordingErrorCallback error_callback);
// Stops an audio debug recording. |callback| is invoked once recording
// stops. If no recording was in progress, |error_callback| is invoked instead
// of |callback|.
void StopAudioDebugRecordings(content::RenderProcessHost* host,
RecordingDoneCallback callback,
RecordingErrorCallback error_callback);
private:
friend class base::RefCountedThreadSafe<AudioDebugRecordingsHandler>;
virtual ~AudioDebugRecordingsHandler();
// Helper for starting audio debug recordings.
void DoStartAudioDebugRecordings(int render_process_host_id,
base::TimeDelta delay,
RecordingDoneCallback callback,
RecordingErrorCallback error_callback,
const base::FilePath& log_directory);
// Helper for stopping audio debug recordings.
void 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);
// The browser context associated with our renderer process.
const raw_ptr<content::BrowserContext, AcrossTasksDanglingUntriaged>
browser_context_;
// This counter allows saving each debug recording in separate files.
uint64_t current_audio_debug_recordings_id_;
// Used for controlling debug recordings.
std::unique_ptr<media::AudioDebugRecordingSession>
audio_debug_recording_session_;
};
#endif // CHROME_BROWSER_MEDIA_WEBRTC_AUDIO_DEBUG_RECORDINGS_HANDLER_H_
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