/**********************************************************************************************/
/* The MIT License                                                                            */
/*                                                                                            */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved.       */
/*                                                                                            */
/* Permission is hereby granted, free of charge, to any person obtaining a copy               */
/* of this software and associated documentation files (the "Software"), to deal              */
/* in the Software without restriction, including without limitation the rights               */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell                  */
/* copies of the Software, and to permit persons to whom the Software is                      */
/* furnished to do so, subject to the following conditions:                                   */
/*                                                                                            */
/* The above copyright notice and this permission notice shall be included in                 */
/* all copies or substantial portions of the Software.                                        */
/*                                                                                            */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR                 */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,                   */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE                */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER                     */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,              */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN                  */
/* THE SOFTWARE.                                                                              */
/**********************************************************************************************/
#ifndef LIBCAPTION_SRT_H
#define LIBCAPTION_SRT_H
#ifdef __cplusplus
extern "C" {
#endif

#include "caption.h"
#include "eia608.h"

// timestamp and duration are in seconds
typedef struct _srt_t {
    struct _srt_t* next;
    double timestamp;
    double duration;
    size_t aloc;
} srt_t;

/*! \brief
    \param
*/
srt_t* srt_new(const utf8_char_t* data, size_t size, double timestamp, srt_t* prev, srt_t** head);
/*! \brief
    \param
*/
srt_t* srt_free_head(srt_t* head);
// returns the head of the link list. must bee freed when done
/*! \brief
    \param
*/
srt_t* srt_parse(const utf8_char_t* data, size_t size);
/*! \brief
    \param
*/
void srt_free(srt_t* srt);

/*! \brief
    \param
*/
static inline srt_t* srt_next(srt_t* srt) { return srt->next; }
/*! \brief
    \param
*/
static inline utf8_char_t* srt_data(srt_t* srt) { return (utf8_char_t*)(srt) + sizeof(srt_t); }
// This only converts teh surrent SRT, It does not walk the list
/*! \brief
    \param
*/
int srt_to_caption_frame(srt_t* srt, caption_frame_t* frame);

// returns teh new srt. Head is not tracher internally.
/*! \brief
    \param
*/
srt_t* srt_from_caption_frame(caption_frame_t* frame, srt_t* prev, srt_t** head);
/*! \brief
    \param
*/
void srt_dump(srt_t* srt);
/*! \brief
    \param
*/
void vtt_dump(srt_t* srt);

#ifdef __cplusplus
}
#endif
#endif