/* read a frame from it and output it in the fifo */
is = input_files[file_index];
ret= av_read_frame(is, &pkt);
- if(ret == AVERROR(EAGAIN) && strcmp(is->iformat->name, "ffm")){
+ if(ret == AVERROR(EAGAIN)){
no_packet[file_index]=1;
no_packet_count++;
continue;
static void opt_frame_pix_fmt(const char *arg)
{
- if (strcmp(arg, "list"))
+ if (strcmp(arg, "list")) {
frame_pix_fmt = avcodec_get_pix_fmt(arg);
- else {
+ if (frame_pix_fmt == PIX_FMT_NONE) {
+ fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
+ av_exit(1);
+ }
+ } else {
list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
av_exit(0);
}