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vaapipluginutil: simplify gst_vaapi_find_preferred_caps_feature()

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Generalize the way how the preferred color format is chosen. Also
use new GStreamre API as syntatic sugar.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/-/merge_requests/370>
This commit is contained in:
Víctor Manuel Jáquez Leal 2020-07-29 13:39:44 +02:00
parent cf3b0120cb
commit 80b1e53ccc
1 changed files with 10 additions and 20 deletions
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30
gst/vaapi/gstvaapipluginutil.c
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@ -683,7 +683,7 @@ gst_vaapi_find_preferred_caps_feature (GstPad * pad, GstCaps * allowed_caps,
caps = gst_caps_new_full (gst_structure_copy (structure), NULL);
if (!caps)
continue;
gst_caps_set_features (caps, 0, gst_caps_features_copy (features));
gst_caps_set_features_simple (caps, gst_caps_features_copy (features));
for (j = 0; j < G_N_ELEMENTS (feature_list); j++) {
if (gst_vaapi_caps_feature_contains (caps, feature_list[j])
@ -699,33 +699,23 @@ gst_vaapi_find_preferred_caps_feature (GstPad * pad, GstCaps * allowed_caps,
break;
}
if (!caps)
goto cleanup;
find_format:
if (!caps)
caps = gst_caps_ref (out_caps);
if (out_format_ptr) {
GstVideoFormat out_format;
GstStructure *structure = NULL;
const GValue *format_list;
GstCapsFeatures *features;
/* if the best feature is SystemMemory, we should choose the
* vidoe/x-raw caps in the filtered peer caps set. If not, use
* the first caps, which is the preferred by downstream. */
if (feature == GST_VAAPI_CAPS_FEATURE_SYSTEM_MEMORY) {
gst_caps_replace (&caps, out_caps);
num_structures = gst_caps_get_size (caps);
for (i = 0; i < num_structures; i++) {
num_structures = gst_caps_get_size (caps);
for (i = 0; i < num_structures; i++) {
GstCapsFeatures *const features = gst_caps_get_features (caps, i);
if (gst_caps_features_contains (features,
gst_vaapi_caps_feature_to_string (feature))) {
structure = gst_caps_get_structure (caps, i);
features = gst_caps_get_features (caps, i);
if (!gst_caps_features_is_any (features)
&& gst_caps_features_contains (features,
gst_vaapi_caps_feature_to_string
(GST_VAAPI_CAPS_FEATURE_SYSTEM_MEMORY)))
break;
break;
}
} else {
structure = gst_caps_get_structure (caps, 0);
}
if (!structure)
goto cleanup;