#pragma once
#if ENABLE(MEDIA_STREAM)
#include "ActiveDOMObject.h"
#include "EventTarget.h"
#include "MediaStream.h"
#include "MediaStreamTrackPrivate.h"
#include <wtf/UniqueRef.h>
namespace WebCore {
class Blob;
class Document;
class MediaRecorderPrivate;
typedef std::unique_ptr<MediaRecorderPrivate>(*creatorFunction)();
class MediaRecorder final
: public ActiveDOMObject
, public RefCounted<MediaRecorder>
, public EventTargetWithInlineData
, public CanMakeWeakPtr<MediaRecorder>
, private MediaStream::Observer
, private MediaStreamTrackPrivate::Observer {
public:
enum class RecordingState { Inactive, Recording, Paused };
struct Options {
String mimeType;
unsigned audioBitsPerSecond;
unsigned videoBitsPerSecond;
unsigned bitsPerSecond;
};
~MediaRecorder();
static ExceptionOr<Ref<MediaRecorder>> create(Document&, Ref<MediaStream>&&, Options&& = { });
WEBCORE_EXPORT static void setCustomPrivateRecorderCreator(creatorFunction);
RecordingState state() const { return m_state; }
using RefCounted::ref;
using RefCounted::deref;
ExceptionOr<void> startRecording(Optional<int>);
ExceptionOr<void> stopRecording();
private:
MediaRecorder(Document&, Ref<MediaStream>&&, std::unique_ptr<MediaRecorderPrivate>&&, Options&& = { });
static std::unique_ptr<MediaRecorderPrivate> getPrivateImpl(const MediaStreamPrivate&);
Ref<Blob> createRecordingDataBlob();
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
EventTargetInterface eventTargetInterface() const final { return MediaRecorderEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
void stop() final;
const char* activeDOMObjectName() const final;
bool canSuspendForDocumentSuspension() const final;
void stopRecordingInternal();
void didAddOrRemoveTrack() final;
void trackEnded(MediaStreamTrackPrivate&) final;
void trackMutedChanged(MediaStreamTrackPrivate&) final { };
void trackSettingsChanged(MediaStreamTrackPrivate&) final { };
void trackEnabledChanged(MediaStreamTrackPrivate&) final { };
void sampleBufferUpdated(MediaStreamTrackPrivate&, MediaSample&) final;
void audioSamplesAvailable(MediaStreamTrackPrivate&, const MediaTime&, const PlatformAudioData&, const AudioStreamDescription&, size_t) final;
void scheduleDeferredTask(Function<void()>&&);
static creatorFunction m_customCreator;
Options m_options;
Ref<MediaStream> m_stream;
std::unique_ptr<MediaRecorderPrivate> m_private;
RecordingState m_state { RecordingState::Inactive };
Vector<Ref<MediaStreamTrackPrivate>> m_tracks;
bool m_isActive { true };
};
}
#endif // ENABLE(MEDIA_STREAM)