}
if (!ap || ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) {
- av_log(s1, AV_LOG_ERROR, "AVParameters don't have any video size. Use -s.\n");
+ av_log(s1, AV_LOG_ERROR, "AVParameters don't have video size and/or rate. Use -s and -r.\n");
return AVERROR(EIO);
}