CMFA/module_08.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <libavformat/avformat.h>

#define BOLD_GRAY "\033[1;90m"
#define RED "\033[0;31m"
#define WHITE "\033[0;37m"
#define RESET "\033[0m"

int module_08_run(const char *filename) {
    char log_msg[1024];

    AVFormatContext *fmt_ctx = NULL;
    if (avformat_open_input(&fmt_ctx, filename, NULL, NULL) < 0) {
        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library libavformat: " RED "Error opening file" RESET);
        printf("%s\n", log_msg);
        return 1;
    }

    if (avformat_find_stream_info(fmt_ctx, NULL) < 0) {
        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library libavformat: " RED "Error finding stream info" RESET);
        printf("%s\n", log_msg);
        avformat_close_input(&fmt_ctx);
        return 1;
    }

    snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library libavformat: " WHITE "Media format: %s, Duration: %ld seconds, Streams: %d" RESET,
             fmt_ctx->iformat->name, fmt_ctx->duration / AV_TIME_BASE, fmt_ctx->nb_streams);
    printf("%s\n", log_msg);
    avformat_close_input(&fmt_ctx);
    return 0;
}