Pablo

#include <ffmpeg/avcodec.h>
#include <ffmpeg/avformat.h>
#include <stdio.h>


int main() {
    AVFormatContext *pFormatCtx = NULL;
    AVFormatParameters formatParams ;
    AVInputFormat *iformat = NULL;
    av_register_all();
    formatParams.standard = NULL;
    formatParams.width = 320;
    formatParams.height = 280;
    iformat = av_find_input_format("video4linux");
    if (iformat == NULL) {
        printf("No format found\n");
        return -2;
    }
    printf("%d\n",av_open_input_file(&pFormatCtx,"/dev/video0", iformat, 0, &formatParams));
    if (av_open_input_file(&pFormatCtx,"/dev/video0", iformat, 0, &formatParams) != 0) {
        printf("Error");
        return -2;
    }
    int i;
    if(av_find_stream_info(pFormatCtx)<0)
        return -1; // Couldn't find stream information
    dump_format(pFormatCtx, 0, "/dev/video0", 0);
    av_close_input_file(pFormatCtx);
    return 0;
}