video_decoder.h 2.39 KB
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/*
 *  Copyright (C) 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.
 */

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#ifndef __VIDEO_DECODER_H__
#define __VIDEO_DECODER_H__
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#include "video_base.h"
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#include "video_scaler.h"
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#include "noncopyable.h"

#include <string>

class AVCodecContext;
class AVStream;
class AVFormatContext;
class AVCodec;

namespace sfl_video {

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	class VideoDecoder : public VideoCodec {
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	public:
		VideoDecoder();
		~VideoDecoder();

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        void emulateRate() { emulateRate_ = true; }
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		void setInterruptCallback(int (*cb)(void*), void *opaque);
		void setIOContext(VideoIOHandle *ioctx);
		int openInput(const std::string &source_str,
					  const std::string &format_str);
		int setupFromVideoData();
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		int decode(VideoFrame&);
		int flush(VideoFrame&);
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		int getWidth() const;
		int getHeight() const;
		int getPixelFormat() const;
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	private:
		NON_COPYABLE(VideoDecoder);

		AVCodec *inputDecoder_;
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		AVCodecContext *decoderCtx_;
		AVFormatContext *inputCtx_;
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		int streamIndex_;
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        bool emulateRate_;
        int64_t startTime_;
        int64_t lastDts_;
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	};
}

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#endif // __VIDEO_DECODER_H__