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video-aggregator: Fix renegotiation when using convert pads

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Since 23189c60f4cff998c7880e1768cee2f6d1b719d0 we started using the
useless result of `modified_caps` which, was never used since it was
introduced 7 years ago (in videomixer2). The intersection is useless and
we should just avoid doing it at all (which was always the case before)
as it can end up failing renegotiation for bad reasons.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/905>
This commit is contained in:
Thibault Saunier 2020-10-29 16:38:44 -03:00 committed by GStreamer Merge Bot
parent d944c27d96
commit 69b5cb8a10
1 changed files with 3 additions and 15 deletions
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18
gst-libs/gst/video/gstvideoaggregator.c
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@ -2491,10 +2491,7 @@ gst_video_aggregator_pad_sink_acceptcaps (GstPad * pad,
GstVideoAggregator * vagg, GstCaps * caps)
{
gboolean ret;
GstCaps *modified_caps;
GstCaps *accepted_caps;
GstCaps *template_caps;
gboolean had_current_caps = TRUE;
gint i, n;
GstStructure *s;
GstAggregator *agg = GST_AGGREGATOR (vagg);
@ -2503,12 +2500,8 @@ gst_video_aggregator_pad_sink_acceptcaps (GstPad * pad,
accepted_caps = gst_pad_get_current_caps (GST_PAD (agg->srcpad));
template_caps = gst_pad_get_pad_template_caps (GST_PAD (agg->srcpad));
if (accepted_caps == NULL) {
accepted_caps = template_caps;
had_current_caps = FALSE;
}
if (accepted_caps == NULL)
accepted_caps = gst_pad_get_pad_template_caps (GST_PAD (agg->srcpad));
accepted_caps = gst_caps_make_writable (accepted_caps);
@ -2528,15 +2521,10 @@ gst_video_aggregator_pad_sink_acceptcaps (GstPad * pad,
}
}
modified_caps = gst_caps_intersect (accepted_caps, template_caps);
ret = gst_caps_can_intersect (caps, modified_caps);
ret = gst_caps_can_intersect (caps, accepted_caps);
GST_DEBUG_OBJECT (pad, "%saccepted caps %" GST_PTR_FORMAT,
(ret ? "" : "not "), caps);
gst_caps_unref (accepted_caps);
gst_caps_unref (modified_caps);
if (had_current_caps)
gst_caps_unref (template_caps);
return ret;
}