AsyncAudioDecoder.h [plain text]
#ifndef AsyncAudioDecoder_h
#define AsyncAudioDecoder_h
#include <wtf/Forward.h>
#include <wtf/MessageQueue.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Threading.h>
namespace WebCore {
class AudioBuffer;
class AudioBufferCallback;
class AsyncAudioDecoder {
WTF_MAKE_NONCOPYABLE(AsyncAudioDecoder);
public:
AsyncAudioDecoder();
~AsyncAudioDecoder();
void decodeAsync(ArrayBuffer* audioData, float sampleRate, PassRefPtr<AudioBufferCallback> successCallback, PassRefPtr<AudioBufferCallback> errorCallback);
private:
class DecodingTask {
WTF_MAKE_NONCOPYABLE(DecodingTask);
public:
static PassOwnPtr<DecodingTask> create(ArrayBuffer* audioData, float sampleRate, PassRefPtr<AudioBufferCallback> successCallback, PassRefPtr<AudioBufferCallback> errorCallback);
void decode();
private:
DecodingTask(ArrayBuffer* audioData, float sampleRate, PassRefPtr<AudioBufferCallback> successCallback, PassRefPtr<AudioBufferCallback> errorCallback);
ArrayBuffer* audioData() { return m_audioData.get(); }
float sampleRate() const { return m_sampleRate; }
AudioBufferCallback* successCallback() { return m_successCallback.get(); }
AudioBufferCallback* errorCallback() { return m_errorCallback.get(); }
AudioBuffer* audioBuffer() { return m_audioBuffer.get(); }
static void notifyCompleteDispatch(void* userData);
void notifyComplete();
RefPtr<ArrayBuffer> m_audioData;
float m_sampleRate;
RefPtr<AudioBufferCallback> m_successCallback;
RefPtr<AudioBufferCallback> m_errorCallback;
RefPtr<AudioBuffer> m_audioBuffer;
};
static void threadEntry(void* threadData);
void runLoop();
WTF::ThreadIdentifier m_threadID;
Mutex m_threadCreationMutex;
MessageQueue<DecodingTask> m_queue;
};
}
#endif // AsyncAudioDecoder_h