sar = ifilter->sample_aspect_ratio;
if(!sar.den)
sar = (AVRational){0,1};
- av_bprint_init(&args, 0, 1);
+ av_bprint_init(&args, 0, AV_BPRINT_SIZE_AUTOMATIC);
av_bprintf(&args,
"video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:"
"pixel_aspect=%d/%d:sws_param=flags=%d",