MediaStreamSource.h [plain text]
#ifndef MediaStreamSource_h
#define MediaStreamSource_h
#if ENABLE(MEDIA_STREAM)
#include "AudioDestinationConsumer.h"
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class MediaStreamSource : public RefCounted<MediaStreamSource> {
public:
class Observer {
public:
virtual ~Observer() { }
virtual void sourceChangedState() = 0;
};
class ExtraData : public RefCounted<ExtraData> {
public:
virtual ~ExtraData() { }
};
enum Type {
TypeAudio,
TypeVideo
};
enum ReadyState {
ReadyStateLive = 0,
ReadyStateMuted = 1,
ReadyStateEnded = 2
};
static PassRefPtr<MediaStreamSource> create(const String& id, Type, const String& name, ReadyState = ReadyStateLive, bool requiresConsumer = false);
const String& id() const { return m_id; }
Type type() const { return m_type; }
const String& name() const { return m_name; }
void setReadyState(ReadyState);
ReadyState readyState() const { return m_readyState; }
void addObserver(Observer*);
void removeObserver(Observer*);
PassRefPtr<ExtraData> extraData() const { return m_extraData; }
void setExtraData(PassRefPtr<ExtraData> extraData) { m_extraData = extraData; }
const String& deviceId() { return m_deviceId; }
void setDeviceId(const String& deviceId) { m_deviceId = deviceId; }
void setAudioFormat(size_t numberOfChannels, float sampleRate);
void consumeAudio(AudioBus*, size_t numberOfFrames);
bool requiresAudioConsumer() const { return m_requiresConsumer; }
void addAudioConsumer(PassRefPtr<AudioDestinationConsumer>);
bool removeAudioConsumer(AudioDestinationConsumer*);
const Vector<RefPtr<AudioDestinationConsumer> >& audioConsumers() { return m_audioConsumers; }
private:
MediaStreamSource(const String& id, Type, const String& name, ReadyState, bool requiresConsumer);
String m_id;
Type m_type;
String m_name;
ReadyState m_readyState;
String m_deviceId;
bool m_requiresConsumer;
Vector<Observer*> m_observers;
Mutex m_audioConsumersLock;
Vector<RefPtr<AudioDestinationConsumer> > m_audioConsumers;
RefPtr<ExtraData> m_extraData;
};
typedef Vector<RefPtr<MediaStreamSource> > MediaStreamSourceVector;
}
#endif // ENABLE(MEDIA_STREAM)
#endif // MediaStreamSource_h