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calyp/lib/LibAvContextHandle.h
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/* This file is a part of plaYUVer project
* Copyright (C) 2014-2015 by Luis Lucas (luisfrlucas@gmail.com)
* Joao Carreira (jfmcarreira@gmail.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 2 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.
*/
/**
* \file LibAvContextHandle.h
* \brief Interface with libav libs
*/
#ifndef __LIBAVCONTEXTHANDLE_H__
#define __LIBAVCONTEXTHANDLE_H__
#include <inttypes.h>
#include <vector>
#include <string>
#ifndef __PRI64_PREFIX
#define __PRI64_PREFIX "l"
#endif
#ifndef PRId64
#define PRId64 __PRI64_PREFIX "d"
#endif
extern "C"
{
#include <libavutil/avutil.h>
#include <libavutil/imgutils.h>
#include <libavutil/samplefmt.h>
//#include <libavutil/timestamp.h>
#include <libavformat/avformat.h>
}
#include "PlaYUVerDefs.h"
namespace plaYUVer
{
class LibAvContextHandle
{
public:
static std::vector<std::string> supportedReadFormatsExt();
static std::vector<std::string> supportedReadFormatsName();
static std::vector<std::string> supportedWriteFormatsExt();
static std::vector<std::string> supportedWriteFormatsName();
static std::vector<std::string> supportedSaveFormatsExt();
static std::vector<std::string> supportedSaveFormatsName();
LibAvContextHandle() :
m_bHasStream( false )
{
}
Bool initAvFormat( const char* filename, UInt& width, UInt& height, Int& pixel_format, Double& frame_rate, UInt64& num_frames );
Void closeAvFormat();
Bool decodeAvFormat();
Void seekAvFormat( UInt64 frame_num );
Bool getStatus()
{
return m_bHasStream;
}
Char* getCodecName()
{
return m_acCodecName;
}
UInt getStreamDuration()
{
return m_uiSecs;
}
// uint8_t *video_dst_data[4];
// int video_dst_linesize[4];
// int video_dst_bufsize;
UChar* m_pchFrameBuffer;
UInt64 m_uiFrameBufferSize;
private:
AVFormatContext *fmt_ctx;
AVCodecContext *video_dec_ctx;
AVStream *video_stream;
Int video_stream_idx;
AVFrame *frame;
AVPacket pkt;
Bool m_bHasStream;
Char m_acCodecName[20];
UInt64 m_uiSecs;
UInt64 m_uiMicroSec;
Bool decodeVideoPkt();
};
} // NAMESPACE
#endif // __LIBAVCONTEXTHANDLE_H__