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/*
* Copyright (C) 2011-2013 Savoir-Faire Linux Inc.
*
* Author: Guillaume Roguez <Guillaume.Roguez@savoirfairelinux.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Additional permission under GNU GPL version 3 section 7:
*
* If you modify this program, or any covered work, by linking or
* combining it with the OpenSSL project's OpenSSL library (or a
* modified version of that library), containing parts covered by the
* terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc.
* grants you additional permission to convey the resulting work.
* Corresponding Source for a non-source form of such a combination
* shall include the source code for the parts of OpenSSL used as well
* as that of the covered work.
*/
#ifndef __VIDEO_SCALER_H__
#define __VIDEO_SCALER_H__
#include "video_base.h"
#include "noncopyable.h"
class SwsContext;
namespace sfl_video {
class VideoScaler {
public:
VideoScaler();
~VideoScaler();
void scale(VideoFrame &input, VideoFrame &output);
void reset();
void scale_and_pad(VideoFrame &input, VideoFrame &output,
unsigned xoff, unsigned yoff,
unsigned dest_width, unsigned dest_height);
private:
NON_COPYABLE(VideoScaler);
SwsContext *ctx_;
int mode_;
};
}
#endif // __VIDEO_SCALER_H__
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