AVFilterContext *first_filter = in->filter_ctx;
AVFilter *filter = avfilter_get_by_name("buffer");
InputStream *ist = ifilter->ist;
- AVRational tb = ist->framerate.num ? (AVRational){ist->framerate.den,
- ist->framerate.num} :
+ AVRational tb = ist->framerate.num ? av_inv_q(ist->framerate) :
ist->st->time_base;
AVRational sar;
char args[255], name[255];
if (avpkt.duration)
ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
else if (ist->st->avg_frame_rate.num)
- ist->next_dts += av_rescale_q(1, (AVRational){ist->st->avg_frame_rate.den,
- ist->st->avg_frame_rate.num},
+ ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
AV_TIME_BASE_Q);
else if (ist->st->codec->time_base.num != 0) {
int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
AVRational av_sub_q(AVRational b, AVRational c) av_const;
/**
+ * Invert a rational.
+ * @param q value
+ * @return 1 / q
+ */
+static av_always_inline AVRational av_inv_q(AVRational q)
+{
+ AVRational r = { q.den, q.num };
+ return r;
+}
+
+/**
* Convert a double precision floating point number to a rational.
* inf is expressed as {1,0} or {-1,0} depending on the sign.
*