LibAV.hpp

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#ifndef _TUTTLE_PLUGIN_LIBAV_LIBAV_HPP_
#define _TUTTLE_PLUGIN_LIBAV_LIBAV_HPP_

extern "C" {
#ifndef __STDC_CONSTANT_MACROS
        #define __STDC_CONSTANT_MACROS
#endif
        #include <libavcodec/avcodec.h>
        #include <libavformat/avformat.h>
        #include <libavutil/avutil.h>
        #include <libavutil/opt.h>
        #include <libavutil/mathematics.h>
        #include <libavutil/avstring.h>
        #include <libavutil/pixdesc.h>
        #include <libswscale/swscale.h>
}

#include <string>
#include <vector>

namespace tuttle {
namespace plugin {
namespace av {

typedef struct AVPrivOption
{
        AVOption o;
        std::string class_name;
} AVPrivOption;

enum EAVParamType
{
        eAVParamFormat = 0,
        eAVParamVideo,
        eAVParamAudio
};

/**
 * @brief This is a base class for libav, don't use it directly.
 * It contains only utilities functions.
 */
class LibAV
{
protected:
        LibAV() {}
        virtual ~LibAV() {}

public:
        static const std::string libavError_toString( int error );
        static const std::string libavLogLevel_toString( int logLevel );
        static const std::string codecType_toString( const AVMediaType codec_type );

        std::vector<AVPrivOption> getAVOptions(const AVClass *av_class);
        
        void getPixelsFormatList();
        
private:
        static bool _hasBeenInit;
        static bool globalInit();

};

}
}
}

#endif