gistfile1.c

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <lsmash.h>

#define BAILIF(expr) \
    do { \
        if (expr) { \
            fprintf(stderr, "ERROR: %s\n", #expr); \
            exit(2); \
        } \
    } while (0) 

int main(int argc, char **argv)
{
    lsmash_root_t *root;
    lsmash_file_parameters_t file_params = { 0 };
    lsmash_file_t *file;

    BAILIF(argc == 1);
    BAILIF((root = lsmash_create_root()) == NULL);
    BAILIF(lsmash_open_file(argv[1], 1, &file_params));
    BAILIF((file = lsmash_set_file(root, &file_params)) == NULL);
    BAILIF(lsmash_read_file(file, &file_params) < 0);

    char *title;
    double seconds;
    uint32_t count = lsmash_count_tyrant_chapter(root);
    fprintf(stderr, "%u chapters found\n", count);
    for (uint32_t i = 1;
         (title = lsmash_get_tyrant_chapter(root, i, &seconds)) != NULL;
         ++i)
    {
        int hh = seconds / 3600;
        seconds -= hh * 3600;
        int mm = seconds / 60;
        seconds -= mm * 60;

        fprintf(stderr, "%02d:%02d:%06.3f %s\n", hh, mm, seconds, title);
    }
    lsmash_destroy_root(root);
    lsmash_close_file(&file_params);
    return 0;
}