78 if (tb.
num <= 0 || tb.
den <= 0) {
80 "Invalid non-positive value for the timebase %d/%d.\n",
100 #define OFFSET(x) offsetof(NullContext, x)
101 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM
131 .priv_class = &nullsrc_class,
135 .
outputs = avfilter_vsrc_nullsrc_outputs,