metadata.h

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#ifndef metadata_HEADER_GUARD
#define metadata_HEADER_GUARD
/*
 * metadata.h : enums and structs for converting byte blobs into metadata
 * 
 * (c) Copyright 2017-2024 Sampsa Riikonen
 * 
 * Authors: Sampsa Riikonen <sampsa.riikonen@iki.fi>
 * 
 * This file is part of the Valkka library.
 * 
 * Valkka is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>
 *
 */
 
#endif
 
#include "constant.h"
 
static const int METADATA_MAX_SIZE = 10*1024; // 10 kB
 
 
enum class MuxMetaType
{
    none, 
    fragmp4
};
 
 
struct FragMP4Meta {                                  // <pyapi>
    FragMP4Meta() : is_first(false),                  // <pyapi> 
    size(0), slot(0), mstimestamp(0) {}               // <pyapi>
    char name[4];                                     // <pyapi>
    bool is_first;                                    // <pyapi>
    std::size_t size; 
    SlotNumber slot;                                  // <pyapi>
    long int mstimestamp;                             // <pyapi>
};                                                    // <pyapi>
 
 
/* test code:
int main(int argv, char** argvc) {
    std::vector<uint8_t> meta_blob;
    meta_blob.reserve(METADATA_MAX_SIZE);
    FragMP4Meta* metap;
    metap = (FragMP4Meta*)(meta_blob.data());
    memcpy(&metap->name[0], "moof", 4);
    metap->is_first = true;
 
    std::cout << std::string(metap->name) << std::endl;
    std::cout << int(metap->is_first) << std::endl;
}
*/