tests: add tests for videoflip

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/847>

2 files changed, 209 insertions, 0 deletions

diff --git a/tests/check/elements/videoflip.c b/tests/check/elements/videoflip.c
new file mode 100644
index 000000000..4a8d579de
--- /dev/null
+++ b/tests/check/elements/videoflip.c
@@ -0,0 +1,208 @@
+/* GStreamer
+ *
+ * unit test for videofilter elements
+ *
+ * Copyright (C) <2006> Mark Nauwelaerts <manauw@skynet.be>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <stdarg.h>
+
+#include <gst/video/video.h>
+#include <gst/check/gstcheck.h>
+#include <gst/check/gstharness.h>
+
+static GstBuffer *
+create_test_video_buffer_rgba8 (GstVideoInfo * info)
+{
+  guint8 *data;
+  guint i = 0, j, k;
+  gsize stride = GST_VIDEO_INFO_PLANE_STRIDE (info, i);
+
+  data = g_malloc0 (info->size);
+
+  for (j = 0; j < GST_VIDEO_INFO_COMP_HEIGHT (info, i); j++) {
+    for (k = 0; k < GST_VIDEO_INFO_COMP_WIDTH (info, i); k++) {
+      data[(j * stride + 4 * k) + 0] = j % 255;
+      data[(j * stride + 4 * k) + 1] = k % 255;
+      data[(j * stride + 4 * k) + 2] = (j + k) % 255;
+      data[(j * stride + 4 * k) + 3] = 255;
+    }
+  }
+
+  return gst_buffer_new_wrapped (data, info->size);
+}
+
+GST_START_TEST (test_passthrough)
+{
+  GstHarness *flip = gst_harness_new ("videoflip");
+  GstVideoInfo in_info, out_info;
+  GstCaps *in_caps, *out_caps;
+  GstEvent *e;
+  GstBuffer *buf;
+
+  gst_video_info_set_format (&in_info, GST_VIDEO_FORMAT_RGBA, 4, 9);
+  in_caps = gst_video_info_to_caps (&in_info);
+
+  gst_harness_set_src_caps (flip, in_caps);
+
+  e = gst_harness_pull_event (flip);
+  fail_unless_equals_int (GST_EVENT_TYPE (e), GST_EVENT_STREAM_START);
+  gst_event_unref (e);
+  e = gst_harness_pull_event (flip);
+  fail_unless_equals_int (GST_EVENT_TYPE (e), GST_EVENT_CAPS);
+  gst_event_parse_caps (e, &out_caps);
+  fail_unless (gst_video_info_from_caps (&out_info, out_caps));
+  fail_unless_equals_int (GST_VIDEO_INFO_WIDTH (&in_info),
+      GST_VIDEO_INFO_WIDTH (&out_info));
+  fail_unless_equals_int (GST_VIDEO_INFO_HEIGHT (&in_info),
+      GST_VIDEO_INFO_HEIGHT (&out_info));
+  gst_event_unref (e);
+
+  e = gst_harness_pull_event (flip);
+  fail_unless_equals_int (GST_EVENT_TYPE (e), GST_EVENT_SEGMENT);
+  gst_event_unref (e);
+
+  buf = create_test_video_buffer_rgba8 (&in_info);
+  buf = gst_harness_push_and_pull (flip, buf);
+  fail_unless (buf != NULL);
+  gst_buffer_unref (buf);
+
+  gst_harness_teardown (flip);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_change_method)
+{
+  GstHarness *flip = gst_harness_new ("videoflip");
+  GstVideoInfo in_info, out_info;
+  GstCaps *in_caps, *out_caps;
+  GstEvent *e;
+  GstBuffer *buf;
+
+  gst_video_info_set_format (&in_info, GST_VIDEO_FORMAT_RGBA, 4, 9);
+  in_caps = gst_video_info_to_caps (&in_info);
+
+  gst_harness_set_src_caps (flip, in_caps);
+
+  e = gst_harness_pull_event (flip);
+  fail_unless_equals_int (GST_EVENT_TYPE (e), GST_EVENT_STREAM_START);
+  gst_event_unref (e);
+  e = gst_harness_pull_event (flip);
+  fail_unless_equals_int (GST_EVENT_TYPE (e), GST_EVENT_CAPS);
+  gst_event_parse_caps (e, &out_caps);
+  fail_unless (gst_video_info_from_caps (&out_info, out_caps));
+  fail_unless_equals_int (GST_VIDEO_INFO_WIDTH (&in_info),
+      GST_VIDEO_INFO_WIDTH (&out_info));
+  fail_unless_equals_int (GST_VIDEO_INFO_HEIGHT (&in_info),
+      GST_VIDEO_INFO_HEIGHT (&out_info));
+  gst_event_unref (e);
+
+  e = gst_harness_pull_event (flip);
+  fail_unless_equals_int (GST_EVENT_TYPE (e), GST_EVENT_SEGMENT);
+  gst_event_unref (e);
+
+  buf = create_test_video_buffer_rgba8 (&in_info);
+  buf = gst_harness_push_and_pull (flip, buf);
+  fail_unless (buf != NULL);
+  gst_buffer_unref (buf);
+
+  g_object_set (flip->element, "video-direction", 1 /* 90r */ , NULL);
+
+  buf = create_test_video_buffer_rgba8 (&in_info);
+  fail_unless_equals_int (gst_harness_push (flip, buf), GST_FLOW_OK);
+  e = gst_harness_pull_event (flip);
+  fail_unless_equals_int (GST_EVENT_TYPE (e), GST_EVENT_CAPS);
+  gst_event_parse_caps (e, &out_caps);
+  fail_unless (gst_video_info_from_caps (&out_info, out_caps));
+  fail_unless_equals_int (GST_VIDEO_INFO_WIDTH (&in_info),
+      GST_VIDEO_INFO_HEIGHT (&out_info));
+  fail_unless_equals_int (GST_VIDEO_INFO_HEIGHT (&in_info),
+      GST_VIDEO_INFO_WIDTH (&out_info));
+  gst_event_unref (e);
+  buf = gst_harness_pull (flip);
+  fail_unless (buf != NULL);
+  gst_buffer_unref (buf);
+
+  gst_harness_teardown (flip);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_stress_change_method)
+{
+  GstHarness *flip = gst_harness_new ("videoflip");
+  GParamSpec *pspec =
+      g_object_class_find_property (G_OBJECT_GET_CLASS (flip->element),
+      "video-direction");
+  GstHarnessThread *thread_identity, *thread_90r;
+  GValue direction_identity = G_VALUE_INIT, direction_90r = G_VALUE_INIT;
+  GstVideoInfo in_info;
+  guint i = 0;
+#define N_PUSHES 1000
+
+  gst_video_info_set_format (&in_info, GST_VIDEO_FORMAT_RGBA, 4, 9);
+  gst_harness_set_src_caps (flip, gst_video_info_to_caps (&in_info));
+
+  g_value_init (&direction_identity, pspec->value_type);
+  g_value_init (&direction_90r, pspec->value_type);
+
+  fail_unless (gst_value_deserialize (&direction_identity, "identity"));
+  fail_unless (gst_value_deserialize (&direction_90r, "90r"));
+
+  thread_identity =
+      gst_harness_stress_property_start_full (flip, "video-direction",
+      &direction_identity, 210);
+  thread_90r =
+      gst_harness_stress_property_start_full (flip, "video-direction",
+      &direction_90r, 160);
+
+  while (i++ < N_PUSHES) {
+    GstBuffer *buf = create_test_video_buffer_rgba8 (&in_info);
+    buf = gst_harness_push_and_pull (flip, buf);
+    fail_unless (buf != NULL);
+    gst_buffer_unref (buf);
+    g_usleep (100);
+  }
+
+  gst_harness_stress_thread_stop (thread_identity);
+  gst_harness_stress_thread_stop (thread_90r);
+
+  g_value_unset (&direction_identity);
+  g_value_unset (&direction_90r);
+
+  gst_harness_teardown (flip);
+}
+
+GST_END_TEST;
+
+static Suite *
+videoflip_suite (void)
+{
+  Suite *s = suite_create ("videoflip");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_passthrough);
+  tcase_add_test (tc_chain, test_change_method);
+  tcase_add_test (tc_chain, test_stress_change_method);
+
+  return s;
+}
+
+GST_CHECK_MAIN (videoflip);
diff --git a/tests/check/meson.build b/tests/check/meson.build
index 17429463f..91efc62d3 100644
--- a/tests/check/meson.build
+++ b/tests/check/meson.build
@@ -95,6 +95,7 @@ good_tests = [
   [ 'elements/videobox' ],
   [ 'elements/videocrop' ],
   [ 'elements/videofilter' ],
+  [ 'elements/videoflip' ],
   [ 'elements/videomixer' ],
   [ 'elements/aspectratiocrop' ],
   [ 'pipelines/wavenc' ],