RemoteAudioDestinationProxy.h [plain text]
#pragma once
#if ENABLE(GPU_PROCESS) && ENABLE(WEB_AUDIO)
#include "Connection.h"
#include "RemoteAudioBusData.h"
#include "RemoteAudioDestinationIdentifier.h"
#include "WebProcessSupplement.h"
#include <WebCore/AudioDestination.h>
#include <WebCore/AudioIOCallback.h>
#if PLATFORM(COCOA)
#include <WebCore/CARingBuffer.h>
#endif
namespace WebKit {
class RemoteAudioDestinationProxy : public WebCore::AudioDestination, private IPC::MessageReceiver {
WTF_MAKE_FAST_ALLOCATED;
WTF_MAKE_NONCOPYABLE(RemoteAudioDestinationProxy);
public:
using AudioBus = WebCore::AudioBus;
using AudioIOCallback = WebCore::AudioIOCallback;
static std::unique_ptr<AudioDestination> create(AudioIOCallback&, const String& inputDeviceId, unsigned numberOfInputChannels, unsigned numberOfOutputChannels, float sampleRate);
RemoteAudioDestinationProxy(AudioIOCallback&, const String& inputDeviceId, unsigned numberOfInputChannels, unsigned numberOfOutputChannels, float sampleRate);
~RemoteAudioDestinationProxy();
void didReceiveMessageFromGPUProcess(IPC::Connection& connection, IPC::Decoder& decoder) { didReceiveMessage(connection, decoder); }
void renderBuffer(const WebKit::RemoteAudioBusData&, CompletionHandler<void()>&&);
void didChangeIsPlaying(bool isPlaying);
private:
void start() override;
void stop() override;
bool isPlaying() override { return m_isPlaying; }
float sampleRate() const override { return m_sampleRate; }
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
AudioIOCallback& m_callback;
float m_sampleRate;
RemoteAudioDestinationIdentifier m_destinationID;
bool m_isPlaying { false };
};
}
#endif // ENABLE(GPU_PROCESS) && ENABLE(WEB_AUDIO)