blob: 7a5c46880f078d1f82f235f8fe3a0b234e7bf050 [file] [log] [blame]
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_FILTERS_IN_MEMORY_URL_PROTOCOL_H_
#define MEDIA_FILTERS_IN_MEMORY_URL_PROTOCOL_H_
#include "base/basictypes.h"
#include "media/filters/ffmpeg_glue.h"
namespace media {
// Simple FFmpegURLProtocol that reads from a buffer.
// NOTE: This object does not copy the buffer so the
// buffer pointer passed into the constructor
// needs to remain valid for the entire lifetime of
// this object.
class MEDIA_EXPORT InMemoryUrlProtocol : public FFmpegURLProtocol {
public:
InMemoryUrlProtocol(const uint8* buf, int64 size, bool streaming);
virtual ~InMemoryUrlProtocol();
// FFmpegURLProtocol methods.
virtual int Read(int size, uint8* data);
virtual bool GetPosition(int64* position_out);
virtual bool SetPosition(int64 position);
virtual bool GetSize(int64* size_out);
virtual bool IsStreaming();
private:
const uint8* data_;
int64 size_;
int64 position_;
bool streaming_;
DISALLOW_IMPLICIT_CONSTRUCTORS(InMemoryUrlProtocol);
};
} // namespace media
#endif // MEDIA_FILTERS_IN_MEMORY_URL_PROTOCOL_H_