pjs/content/media/raw/nsRawReader.h

85 строки
2.8 KiB
C++

/* -*- 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