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vapostproc: Copy missing fields at fixate.

Browse source 
When caps negotiation implies a caps feature change, some fields might
get lost. This patch brings them back from input caps.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1109>
This commit is contained in:
Víctor Manuel Jáquez Leal 2021-10-05 20:15:09 +02:00 committed by GStreamer Marge Bot
parent 5ae1072c2f
commit 60be3dbd2a
1 changed files with 25 additions and 14 deletions
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39
subprojects/gst-plugins-bad/sys/va/gstvavpp.c
View file

@ -1470,6 +1470,29 @@ done:
g_value_unset (&tpar);
}
static void
copy_misc_fields_from_input (GstVaVpp * self, GstCaps * in_caps,
GstCaps * out_caps)
{
const gchar *fields[] = { "interlace-mode", "field-order", "multiview-mode",
"multiview-flags", "framerate"
};
GstStructure *out_caps_s = gst_caps_get_structure (out_caps, 0);
GstStructure *in_caps_s = gst_caps_get_structure (in_caps, 0);
int i;
for (i = 0; i < G_N_ELEMENTS (fields); i++) {
const GValue *in_field = gst_structure_get_value (in_caps_s, fields[i]);
const GValue *out_field = gst_structure_get_value (out_caps_s, fields[i]);
if (out_field && gst_value_is_fixed (out_field))
continue;
if (in_field)
gst_structure_set_value (out_caps_s, fields[i], in_field);
}
}
static GstCaps *
gst_va_vpp_fixate_caps (GstBaseTransform * trans, GstPadDirection direction,
GstCaps * caps, GstCaps * othercaps)
@ -1500,20 +1523,8 @@ gst_va_vpp_fixate_caps (GstBaseTransform * trans, GstPadDirection direction,
/* fixate remaining fields */
result = gst_caps_fixate (result);
/* copy the framerate */
{
GstStructure *fixated_struct = gst_caps_get_structure (result, 0);
const GValue *framerate =
gst_structure_get_value (fixated_struct, "framerate");
if (!(framerate && gst_value_is_fixed (framerate))) {
GstStructure *orig_struct = gst_caps_get_structure (caps, 0);
const GValue *orig_framerate =
gst_structure_get_value (orig_struct, "framerate");
gst_structure_set_value (fixated_struct, "framerate", orig_framerate);
}
}
/* some fields might be lost while feature caps conversion */
copy_misc_fields_from_input (self, caps, result);
if (direction == GST_PAD_SINK) {
if (gst_caps_is_subset (caps, result)) {