obs-studio/deps/libcaption/examples/srt2vtt.c

/**********************************************************************************************/
/* The MIT License                                                                            */
/*                                                                                            */
/* Copyright 2016-2016 Twitch Interactive, Inc. or its affiliates. All Rights Reserved.       */
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/* of this software and associated documentation files (the "Software"), to deal              */
/* in the Software without restriction, including without limitation the rights               */
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/* copies of the Software, and to permit persons to whom the Software is                      */
/* furnished to do so, subject to the following conditions:                                   */
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/* 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,                   */
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/* THE SOFTWARE.                                                                              */
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "srt.h"

#define MAX_SRT_SIZE (10*1024*1024)
#define MAX_READ_SIZE 4096

size_t read_file (FILE* file, utf8_char_t* data, size_t size)
{
    size_t read, totl = 0;

    while (0 < (read = fread (data,1,MAX_READ_SIZE<size?MAX_READ_SIZE:size,file))) {
        totl += read; data += read; size -= read;
    }

    return totl;
}

int main (int argc, char** argv)
{
    srt_t* srt;
    caption_frame_t frame;
    char frame_buf[CAPTION_FRAME_DUMP_BUF_SIZE];

    if (argc < 2) {
        return 0;
    }

    FILE* file = fopen (argv[1],"r");

    if (! file) {
        return 0;
    }

    utf8_char_t* data = malloc (MAX_SRT_SIZE);
    size_t size = read_file (file,data,MAX_SRT_SIZE);
    srt_t* head = srt_parse (data,size);
    vtt_dump (head);
    srt_free (head);
}