+ AMEDIAFORMAT_GET_INT32(s->display_width, "display-width", 0);
+ AMEDIAFORMAT_GET_INT32(s->display_height, "display-height", 0);
+
+ if (s->display_width && s->display_height) {
+ AVRational sar = av_div_q(
+ (AVRational){ s->display_width, s->display_height },
+ (AVRational){ width, height });
+ ff_set_sar(avctx, sar);
+ }
+