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video-filter: Support allocation pool with pool object

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This is used to indicate upstream the requirement in buffers
while no buffer pool can be provided. In this case, only
configure the pool with caps/size/min/max if we have caps,
which we only parsed when there was no allocation pool.

https://bugzilla.gnome.org/show_bug.cgi?id=730758
This commit is contained in:
Nicolas Dufresne 2017-09-06 13:53:42 -04:00
parent 5d3d764568
commit 5d6fbcb0af
1 changed files with 3 additions and 0 deletions
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3
gst-libs/gst/video/gstvideofilter.c
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@ -128,6 +128,9 @@ gst_video_filter_decide_allocation (GstBaseTransform * trans, GstQuery * query)
if (gst_query_get_n_allocation_pools (query) > 0) {
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
if (!pool)
gst_query_parse_allocation (query, &outcaps, NULL);
update_pool = TRUE;
} else {
GstVideoInfo vinfo;