link->sample_aspect_ratio = inlink ?
inlink->sample_aspect_ratio : (AVRational){1,1};
+ if (inlink && !link->frame_rate.num && !link->frame_rate.den)
+ link->frame_rate = inlink->frame_rate;
+
if (inlink) {
if (!link->w)
link->w = inlink->w;
*/
int age_index;
+ /**
+ * Frame rate of the stream on the link, or 1/0 if unknown;
+ * if left to 0/0, will be automatically be copied from the first input
+ * of the source filter if it exists.
+ *
+ * Sources should set it to the best estimation of the real frame rate.
+ * Filters should update it if necessary depending on their function.
+ * Sinks can use it to set a default output frame rate.
+ * It is similar to the r_frae_rate field in AVStream.
+ */
+ AVRational frame_rate;
+
};
/**