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tests: textoverlay: add test to reproduce fakesink scenario

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Adds a new test to textoverlay to make sure it can properly handle
elements that have ANY caps but fail to add the overlay meta in
the allocation query.

This test verifies that textoverlay won't use the caps features even
knowing that the overlay meta is accepted when querying the downstream
caps because it also needs downstream to confirm by putting the meta
in the allocation query.

https://bugzilla.gnome.org/show_bug.cgi?id=735800
This commit is contained in:
Thiago Santos 2014-09-01 15:23:27 -03:00
parent a65b307349
commit 2157497405
1 changed files with 107 additions and 0 deletions
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107
tests/check/elements/textoverlay.c
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@ -109,6 +109,11 @@ GST_STATIC_PAD_TEMPLATE ("sink",
GST_STATIC_CAPS (UNSUPPORTED_VIDEO_CAPS_TEMPLATE_WITH_FEATURE_STRING)
);
static GstStaticPadTemplate sinktemplate_any = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate unsupported_video_srctemplate =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
@ -356,6 +361,34 @@ create_text_buffer (const gchar * txt, GstClockTime ts, GstClockTime duration)
return buffer;
}
static gboolean
_test_textoverlay_check_caps_has_feature (GstElement * textoverlay,
const gchar * padname, const gchar * feature)
{
GstPad *pad;
GstCaps *caps;
GstCapsFeatures *f;
gboolean ret;
pad = gst_element_get_static_pad (textoverlay, padname);
fail_unless (pad != NULL);
caps = gst_pad_get_current_caps (pad);
fail_unless (caps != NULL);
gst_object_unref (pad);
f = gst_caps_get_features (caps, 0);
if (f != NULL) {
ret = gst_caps_features_contains (f, feature);
} else {
ret = FALSE;
}
gst_caps_unref (caps);
return ret;
}
static void
cleanup_textoverlay (GstElement * textoverlay)
{
@ -649,6 +682,78 @@ GST_START_TEST (test_video_passthrough_with_feature_and_unsupported_caps)
GST_END_TEST;
GST_START_TEST (test_video_render_with_any_features_and_no_allocation_meta)
{
GstElement *textoverlay;
GstBuffer *inbuffer, *outbuffer;
GstCaps *incaps, *outcaps;
GstVideoOverlayCompositionMeta *comp_meta;
textoverlay =
setup_textoverlay_with_templates (&video_srctemplate,
NULL, &sinktemplate_any, FALSE);
/* set static text to render */
g_object_set (textoverlay, "text", "XLX", NULL);
fail_unless (gst_element_set_state (textoverlay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
incaps = create_video_caps (VIDEO_CAPS_STRING);
gst_check_setup_events_textoverlay (myvideosrcpad, textoverlay, incaps,
GST_FORMAT_TIME, "video");
inbuffer = create_black_buffer (incaps);
gst_caps_unref (incaps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND / 10;
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* should have been dropped in favour of a new writable buffer */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
outbuffer = GST_BUFFER_CAST (buffers->data);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (outbuffer != inbuffer);
/* output buffer should have rendered text */
fail_if (buffer_is_all_black (outbuffer, outcaps));
gst_caps_unref (outcaps);
/* output buffer should not have the composition meta */
comp_meta = gst_buffer_get_video_overlay_composition_meta (outbuffer);
fail_unless (comp_meta == NULL);
fail_unless (GST_BUFFER_TIMESTAMP (outbuffer) == 0);
fail_unless (GST_BUFFER_DURATION (outbuffer) == (GST_SECOND / 10));
/* output caps shouldn't have the composition meta */
fail_if (_test_textoverlay_check_caps_has_feature (textoverlay, "src",
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION));
/* and clean up */
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* cleanup */
cleanup_textoverlay (textoverlay);
gst_buffer_unref (inbuffer);
}
GST_END_TEST;
GST_START_TEST (test_video_render_static_text)
{
GstElement *textoverlay;
@ -1043,6 +1148,8 @@ textoverlay_suite (void)
tcase_add_test (tc_chain, test_video_passthrough_with_feature);
tcase_add_test (tc_chain,
test_video_passthrough_with_feature_and_unsupported_caps);
tcase_add_test (tc_chain,
test_video_render_with_any_features_and_no_allocation_meta);
tcase_add_test (tc_chain, test_video_render_static_text);
tcase_add_test (tc_chain, test_render_continuity);
tcase_add_test (tc_chain, test_video_waits_for_text);