Source/WebCore/Modules/mediasource/SourceBuffer.h

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 */

#ifndef SourceBuffer_h
#define SourceBuffer_h

#if ENABLE(MEDIA_SOURCE)

#include "ExceptionCode.h"
#include "MediaSource.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

class TimeRanges;

class SourceBuffer : public RefCounted<SourceBuffer> {
public:
    static PassRefPtr<SourceBuffer> create(const String& id, PassRefPtr<MediaSource> source)
    {
        return adoptRef(new SourceBuffer(id, source));
    }

    virtual ~SourceBuffer();

    PassRefPtr<TimeRanges> buffered(ExceptionCode&) const;

    double timestampOffset() const;
    void setTimestampOffset(double, ExceptionCode&);

    void append(PassRefPtr<Uint8Array> data, ExceptionCode&);

    void abort(ExceptionCode&);
    
    const String& id() const { return m_id; }

    void clear() { m_source.clear(); }

private:
    explicit SourceBuffer(const String& id, PassRefPtr<MediaSource>);

    String m_id;
    RefPtr<MediaSource> m_source;
    
    double m_timestampOffset;
};

} // namespace WebCore

#endif
#endif