}
if (st->sample_aspect_ratio.num) {
- int d_width = codec->width*av_q2d(st->sample_aspect_ratio);
+ int64_t d_width = av_rescale(codec->width, st->sample_aspect_ratio.num, st->sample_aspect_ratio.den);
+ if (d_width > INT_MAX) {
+ av_log(s, AV_LOG_ERROR, "Overflow in display width\n");
+ return AVERROR(EINVAL);
+ }
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height);
}