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/**
* Copyright (C) 2013-2020 MulticoreWare, Inc
*
* Authors: Bhavna Hariharan <bhavna@multicorewareinc.com>
* Kavitha Sampath <kavitha@multicorewareinc.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 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at license @ x265.com.
**/
#ifndef METADATAFROMJSON_H
#define METADATAFROMJSON_H
#include<stdint.h>
#include<cstring>
#include "JsonHelper.h"
class metadataFromJson
{
public:
metadataFromJson();
~metadataFromJson();
enum JsonType{
LEGACY,
LLC
};
/**
* @brief frameMetadataFromJson: Generates a sigle frame metadata array from Json file with all
* metadata information from movie.
* @param filePath: path to Json file containing movie metadata information.
* @param frame: frame Id number in respect to the movie.
* @param metadata (output): receives an empty pointer that will be set to point to metadata
* array. Note: if pointer is set it will be deleted.
* @return True if succesful
*/
bool frameMetadataFromJson(const char* filePath,
int frame,
uint8_t *&metadata);
/**
* @brief movieMetadataFromJson: Generates metadata array from Json file with all metadata
* information from movie.
* @param filePath: path to Json file containing movie metadata information.
* @param metadata (output): receives an empty pointer that will be set to point to metadata
* array. Note: if pointer is set it will be deleted.
* @return int: number of frames in the movie, -1 if the process fails to obtain the metadata.
*/
int movieMetadataFromJson(const char* filePath,
uint8_t **&metadata);
/**
* @brief extendedInfoFrameMetadataFromJson: Generates Extended InfoFrame metadata array from Json file
* with all metadata information from movie.
* @param filePath: path to Json file containing movie metadata information.
* @param metadata (output): receives an empty pointer that will be set to point to metadata
* array. Note: if pointer is set it will be deleted.
* @return int: number of frames in the movie, -1 if the process fails to obtain the metadata.
*/
bool extendedInfoFrameMetadataFromJson(const char* filePath,
int frame,
uint8_t *&metadata);
/**
* @brief movieMetadataFromJson: Generates Extended InfoFrame metadata array from Json file with all metadata
* information from movie.
* @param filePath: path to Json file containing movie Extended InfoFrame metadata information.
* @param metadata (output): receives an empty pointer that will be set to point to metadata
* array. Note: if pointer is set it will be deleted.
* @return int: number of frames in the movie, -1 if the process fails to obtain the metadata.
*/
int movieExtendedInfoFrameMetadataFromJson(const char* filePath,
uint8_t **&metadata);
/**
* @brief clear: Clears the memory of the given array and size.
* @param metadata: metadata array to be cleared.
* @param numberOfFrames: number of frames in the metadata array.
* @return
*/
void clear(uint8_t **&metadata,
const int numberOfFrames);
private:
class DynamicMetaIO;
DynamicMetaIO *mPimpl;
void fillMetadataArray(const JsonArray &fileData, int frame, const JsonType jsonType, uint8_t *&metadata);
};
#endif // METADATAFROMJSON_H
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