/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla code.
 *
 * The Initial Developer of the Original Code is 
 *   Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Brad Lassey
 *  Kyle Huey <me@kylehuey.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#if !defined(nsRawReader_h_)
#define nsRawReader_h_

#include "nsBuiltinDecoderReader.h"
#include "nsRawStructs.h"

class nsRawReader : public nsBuiltinDecoderReader
{
public:
  nsRawReader(nsBuiltinDecoder* aDecoder);
  ~nsRawReader();

  virtual nsresult Init(nsBuiltinDecoderReader* aCloneDonor);
  virtual nsresult ResetDecode();
  virtual bool DecodeAudioData();

  virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
                                  PRInt64 aTimeThreshold);

  virtual bool HasAudio()
  {
    return false;
  }

  virtual bool HasVideo()
  {
    return true;
  }

  virtual nsresult ReadMetadata(nsVideoInfo* aInfo);
  virtual nsresult Seek(PRInt64 aTime, PRInt64 aStartTime, PRInt64 aEndTime, PRInt64 aCurrentTime);
  virtual nsresult GetBuffered(nsTimeRanges* aBuffered, PRInt64 aStartTime);

private:
  bool ReadFromStream(nsMediaStream *aStream, PRUint8 *aBuf,
                        PRUint32 aLength);

  nsRawVideoHeader mMetadata;
  PRUint32 mCurrentFrame;
  double mFrameRate;
  PRUint32 mFrameSize;
  nsIntRect mPicture;
};

#endif