tests: compositor: add tests for caps queries

Verifies that proper caps are returned based on what downstream
restricts.
This commit is contained in:
Thiago Santos 2016-02-23 12:17:59 -03:00
parent f231598370
commit 7d948b025a

View file

@ -45,6 +45,24 @@
static GMainLoop *main_loop;
static GstCaps *
_compositor_get_all_supported_caps (void)
{
return gst_caps_from_string (GST_VIDEO_CAPS_MAKE
(" { AYUV, BGRA, ARGB, RGBA, ABGR, Y444, Y42B, YUY2, UYVY, "
" YVYU, I420, YV12, NV12, NV21, Y41B, RGB, BGR, xRGB, xBGR, "
" RGBx, BGRx } "));
}
static GstCaps *
_compositor_get_non_alpha_supported_caps (void)
{
return gst_caps_from_string (GST_VIDEO_CAPS_MAKE
(" { Y444, Y42B, YUY2, UYVY, "
" YVYU, I420, YV12, NV12, NV21, Y41B, RGB, BGR, xRGB, xBGR, "
" RGBx, BGRx } "));
}
/* make sure downstream gets a CAPS event before buffers are sent */
GST_START_TEST (test_caps)
{
@ -283,73 +301,73 @@ create_video_buffer (GstCaps * caps, gint ts_in_seconds)
return buf;
}
GST_START_TEST (test_caps_query)
{
GstElement *compositor, *capsfilter, *sink;
GstElement *pipeline;
gboolean res;
GstStateChangeReturn state_res;
GstPad *sinkpad;
GstCaps *caps, *restriction_caps;
GstCaps *all_caps, *non_alpha_caps;
/* initial setup */
all_caps = _compositor_get_all_supported_caps ();
non_alpha_caps = _compositor_get_non_alpha_supported_caps ();
compositor = gst_element_factory_make ("compositor", "compositor");
capsfilter = gst_element_factory_make ("capsfilter", "out-cf");
sink = gst_element_factory_make ("fakesink", "sink");
pipeline = gst_pipeline_new ("test-pipeline");
gst_bin_add_many (GST_BIN (pipeline), compositor, capsfilter, sink, NULL);
res = gst_element_link (compositor, capsfilter);
fail_unless (res == TRUE, NULL);
res = gst_element_link (capsfilter, sink);
fail_unless (res == TRUE, NULL);
sinkpad = gst_element_get_request_pad (compositor, "sink_%u");
state_res = gst_element_set_state (pipeline, GST_STATE_PLAYING);
fail_if (state_res == GST_STATE_CHANGE_FAILURE);
/* try an unrestricted caps query, should return all formats */
caps = gst_pad_query_caps (sinkpad, NULL);
fail_unless (gst_caps_is_equal (caps, all_caps));
gst_caps_unref (caps);
/* now restrict downstream to a single alpha format, it should still
* be able to convert anything else to it */
restriction_caps = gst_caps_from_string ("video/x-raw, format=(string)AYUV");
g_object_set (capsfilter, "caps", restriction_caps, NULL);
caps = gst_pad_query_caps (sinkpad, NULL);
fail_unless (gst_caps_is_equal (caps, all_caps));
gst_caps_unref (caps);
gst_caps_unref (restriction_caps);
/* now restrict downstream to a non-alpha format, it should
* be able to accept non-alpha formats */
restriction_caps = gst_caps_from_string ("video/x-raw, format=(string)I420");
g_object_set (capsfilter, "caps", restriction_caps, NULL);
caps = gst_pad_query_caps (sinkpad, NULL);
fail_unless (gst_caps_is_equal (caps, non_alpha_caps));
gst_caps_unref (caps);
gst_caps_unref (restriction_caps);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_element_release_request_pad (compositor, sinkpad);
gst_object_unref (sinkpad);
gst_object_unref (pipeline);
gst_caps_unref (all_caps);
gst_caps_unref (non_alpha_caps);
}
GST_END_TEST;
#define MODE_ALL 1
#define MODE_NON_ALPHA 2
/* mostly copied from videoaggregator */
static inline GstCaps *
_get_non_alpha_caps_from_caps (GstCaps * caps)
{
GstCaps *result;
guint i, size;
size = gst_caps_get_size (caps);
result = gst_caps_new_empty ();
for (i = 0; i < size; i++) {
GstStructure *s = gst_caps_get_structure (caps, i);
const GValue *formats = gst_structure_get_value (s, "format");
GValue new_formats = { 0, };
gboolean has_format = FALSE;
/* FIXME what to do if formats are missing? */
if (formats) {
const GstVideoFormatInfo *info;
if (GST_VALUE_HOLDS_LIST (formats)) {
guint list_size = gst_value_list_get_size (formats);
guint index;
g_value_init (&new_formats, GST_TYPE_LIST);
for (index = 0; index < list_size; index++) {
const GValue *list_item = gst_value_list_get_value (formats, index);
info =
gst_video_format_get_info (gst_video_format_from_string
(g_value_get_string (list_item)));
if (!GST_VIDEO_FORMAT_INFO_HAS_ALPHA (info)) {
has_format = TRUE;
gst_value_list_append_value (&new_formats, list_item);
}
}
} else if (G_VALUE_HOLDS_STRING (formats)) {
info =
gst_video_format_get_info (gst_video_format_from_string
(g_value_get_string (formats)));
if (!GST_VIDEO_FORMAT_INFO_HAS_ALPHA (info)) {
has_format = TRUE;
gst_value_init_and_copy (&new_formats, formats);
}
} else {
g_assert_not_reached ();
GST_WARNING ("Unexpected type for video 'format' field: %s",
G_VALUE_TYPE_NAME (formats));
}
if (has_format) {
s = gst_structure_copy (s);
gst_structure_take_value (s, "format", &new_formats);
gst_caps_append_structure (result, s);
}
}
}
return result;
}
static void
run_late_caps_query_test (GstCaps * input_caps, GstCaps * output_allowed_caps,
gint expected_caps_mode)
@ -363,16 +381,8 @@ run_late_caps_query_test (GstCaps * input_caps, GstCaps * output_allowed_caps,
GstSegment segment;
GstCaps *caps, *all_caps, *non_alpha_caps;
all_caps =
gst_caps_from_string (GST_VIDEO_CAPS_MAKE
(" { AYUV, BGRA, ARGB, RGBA, ABGR, Y444, Y42B, YUY2, UYVY, "
" YVYU, I420, YV12, NV12, NV21, Y41B, RGB, BGR, xRGB, xBGR, "
" RGBx, BGRx } "));
non_alpha_caps =
gst_caps_from_string (GST_VIDEO_CAPS_MAKE
(" { Y444, Y42B, YUY2, UYVY, "
" YVYU, I420, YV12, NV12, NV21, Y41B, RGB, BGR, xRGB, xBGR, "
" RGBx, BGRx } "));
all_caps = _compositor_get_all_supported_caps ();
non_alpha_caps = _compositor_get_non_alpha_supported_caps ();
compositor = gst_element_factory_make ("compositor", "compositor");
capsfilter = gst_element_factory_make ("capsfilter", "out-cf");
@ -1870,6 +1880,7 @@ compositor_suite (void)
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_caps);
tcase_add_test (tc_chain, test_event);
tcase_add_test (tc_chain, test_caps_query);
tcase_add_test (tc_chain, test_late_caps_query);
tcase_add_test (tc_chain, test_play_twice);
tcase_add_test (tc_chain, test_play_twice_then_add_and_play_again);