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videotestsrc: Do not try to answer the duration query before negotiation

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We have no idea at that moment and this code was trying to divide by 0!

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/705>
This commit is contained in:
Thibault Saunier 2020-06-15 13:22:38 -04:00
parent b813c40788
commit 75065ab244
1 changed files with 6 additions and 4 deletions
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10
gst/videotestsrc/gstvideotestsrc.c
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@ -1029,10 +1029,12 @@ gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
gint64 dur;
GST_OBJECT_LOCK (src);
dur = gst_util_uint64_scale_int_round (bsrc->num_buffers
* GST_SECOND, src->info.fps_d, src->info.fps_n);
res = TRUE;
gst_query_set_duration (query, GST_FORMAT_TIME, dur);
if (src->info.fps_n) {
dur = gst_util_uint64_scale_int_round (bsrc->num_buffers
* GST_SECOND, src->info.fps_d, src->info.fps_n);
res = TRUE;
gst_query_set_duration (query, GST_FORMAT_TIME, dur);
}
GST_OBJECT_UNLOCK (src);
goto done;
}