Function main

tools/graph2dot.c:108–209

}

int main(int argc, char **argv)
{
    const char *outfilename = NULL;
    const char *infilename  = NULL;
    FILE *outfile           = NULL;
    FILE *infile            = NULL;
    char *graph_string      = NULL;
    AVFilterGraph *graph    = NULL;
    int c;

    av_log_set_level(AV_LOG_DEBUG);

    while ((c = getopt(argc, argv, "hi:o:")) != -1) {
        switch (c) {
        case 'h':
            usage();
            return 0;
        case 'i':
            infilename = optarg;
            break;
        case 'o':
            outfilename = optarg;
            break;
        case '?':
            return 1;
        }
    }

    if (!infilename || !strcmp(infilename, "-"))
        infilename = "/dev/stdin";
    infile = fopen(infilename, "r");
    if (!infile) {
        fprintf(stderr, "Failed to open input file '%s': %s\n",
                infilename, strerror(errno));
        return 1;
    }

    if (!outfilename || !strcmp(outfilename, "-"))
        outfilename = "/dev/stdout";
    outfile = fopen(outfilename, "w");
    if (!outfile) {
        fprintf(stderr, "Failed to open output file '%s': %s\n",
                outfilename, strerror(errno));
        return 1;
    }

    /* read from infile and put it in a buffer */
    {
        int64_t count = 0;
        struct line *line, *last_line, *first_line;
        char *p;
        last_line = first_line = av_malloc(sizeof(struct line));
        if (!last_line) {
            fprintf(stderr, "Memory allocation failure\n");
            return 1;
        }

        while (fgets(last_line->data, sizeof(last_line->data), infile)) {