WebAudioSourceProviderCocoa.h [plain text]
#pragma once
#if ENABLE(WEB_AUDIO)
#include "CAAudioStreamDescription.h"
#include "WebAudioSourceProvider.h"
#include <CoreAudio/CoreAudioTypes.h>
#include <wtf/Lock.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
typedef struct AudioBufferList AudioBufferList;
typedef struct OpaqueAudioConverter* AudioConverterRef;
typedef struct AudioStreamBasicDescription AudioStreamBasicDescription;
typedef const struct opaqueCMFormatDescription *CMFormatDescriptionRef;
typedef struct opaqueCMSampleBuffer *CMSampleBufferRef;
namespace WTF {
class LoggerHelper;
}
namespace WebCore {
class AudioSampleDataSource;
class CAAudioStreamDescription;
class PlatformAudioData;
class WebAudioBufferList;
class WEBCORE_EXPORT WebAudioSourceProviderCocoa
: public WebAudioSourceProvider {
public:
WebAudioSourceProviderCocoa();
~WebAudioSourceProviderCocoa();
protected:
void receivedNewAudioSamples(const PlatformAudioData&, const AudioStreamDescription&, size_t);
private:
virtual void hasNewClient(AudioSourceProviderClient*) = 0;
#if !RELEASE_LOG_DISABLED
virtual WTF::LoggerHelper& loggerHelper() = 0;
#endif
void provideInput(AudioBus*, size_t) final;
void setClient(AudioSourceProviderClient*) final;
void prepare(const AudioStreamBasicDescription&);
Lock m_lock;
AudioSourceProviderClient* m_client { nullptr };
Optional<CAAudioStreamDescription> m_inputDescription;
Optional<CAAudioStreamDescription> m_outputDescription;
std::unique_ptr<WebAudioBufferList> m_audioBufferList;
RefPtr<AudioSampleDataSource> m_dataSource;
uint64_t m_writeCount { 0 };
uint64_t m_readCount { 0 };
};
}
#endif // ENABLE(WEB_AUDIO)