videobox: Add unit test

https://bugzilla.gnome.org/show_bug.cgi?id=732144

tests/check/Makefile.am

@@ -272,6 +272,12 @@ else
 check_udp =
 endif
 
+if USE_PLUGIN_VIDEOBOX
+check_videobox = elements/videobox
+else
+check_videobox =
+endif
+
 if USE_PLUGIN_VIDEOCROP
 check_videocrop = \
 	elements/aspectratiocrop \
@@ -368,6 +374,7 @@ check_PROGRAMS = \
 	$(check_sunaudio) \
 	$(check_taglib) \
 	$(check_udp) \
+	$(check_videobox) \
 	$(check_videocrop) \
 	$(check_videofilter) \
 	$(check_videomixer) \

tests/check/elements/.gitignore

@@ -62,6 +62,7 @@ sunaudio
 udpsink
 udpsrc
 videocrop
+videobox
 videofilter
 videomixer
 vp8dec

tests/check/elements/videobox.c

@@ -0,0 +1,238 @@
+/* GStreamer
+ * unit test for the videobox element
+ *
+ * Copyright (C) 2006 Ravi Kiran K N <ravi.kiran@samsung.com>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <unistd.h>
+
+#include <gst/check/gstcheck.h>
+
+typedef struct _GstVideoBoxTestContext
+{
+  GstElement *pipeline;
+  GstElement *src;
+  GstElement *filter;
+  GstElement *box;
+  GstElement *filter2;
+  GstElement *sink;
+} GstVideoBoxTestContext;
+
+typedef struct _FormatConversion
+{
+  const gchar *in_caps;
+  const gchar *out_caps;
+  gboolean expected_result;
+} FormatConversion;
+
+
+/*
+ * Update this table as and when the conversion is supported(or unsupported) in videobox
+ */
+static const FormatConversion conversion_table[] = {
+  {"video/x-raw,format={RGBA}", "video/x-raw,format={AYUV}", TRUE},
+  {"video/x-raw,format={AYUV}", "video/x-raw,format={RGBA}", TRUE},
+  {"video/x-raw,format={I420}", "video/x-raw,format={AYUV}", TRUE},
+  {"video/x-raw,format={AYUV}", "video/x-raw,format={I420}", TRUE},
+  {"video/x-raw,format={I420}", "video/x-raw,format={YV12}", TRUE},
+  {"video/x-raw,format={YV12}", "video/x-raw,format={AYUV}", TRUE},
+  {"video/x-raw,format={YV12}", "video/x-raw,format={I420}", TRUE},
+  {"video/x-raw,format={AYUV}", "video/x-raw,format={YV12}", TRUE},
+  {"video/x-raw,format={AYUV}", "video/x-raw,format={xRGB}", TRUE},
+  {"video/x-raw,format={xRGB}", "video/x-raw,format={xRGB}", TRUE},
+  {"video/x-raw,format={xRGB}", "video/x-raw,format={AYUV}", TRUE},
+  {"video/x-raw,format={GRAY8}", "video/x-raw,format={GRAY16_LE}", FALSE},
+  {"video/x-raw,format={GRAY8}", "video/x-raw,format={GRAY16_BE}", FALSE},
+  {"video/x-raw,format={Y444}", "video/x-raw,format={Y42B}", FALSE},
+  {"video/x-raw,format={Y444}", "video/x-raw,format={Y41B}", FALSE},
+  {"video/x-raw,format={Y42B}", "video/x-raw,format={Y41B}", FALSE}
+};
+
+
+static gboolean
+bus_handler (GstBus * bus, GstMessage * message, gpointer data)
+{
+  GMainLoop *loop = (GMainLoop *) data;
+
+  switch (message->type) {
+    case GST_MESSAGE_EOS:{
+      GST_LOG ("EOS event received");
+      g_main_loop_quit (loop);
+      break;
+    }
+    case GST_MESSAGE_ERROR:{
+      GError *gerror;
+      gchar *debug;
+      gst_message_parse_error (message, &gerror, &debug);
+      g_error ("Error from %s: %s (%s)\n",
+          GST_ELEMENT_NAME (GST_MESSAGE_SRC (message)), gerror->message,
+          GST_STR_NULL (debug));
+      g_error_free (gerror);
+      g_free (debug);
+      g_main_loop_quit (loop);
+      break;
+    }
+    case GST_MESSAGE_WARNING:{
+      g_main_loop_quit (loop);
+      break;
+    }
+    default:
+      break;
+  }
+
+  return TRUE;
+}
+
+static void
+videobox_test_init_context (GstVideoBoxTestContext * ctx)
+{
+  fail_unless (ctx != NULL);
+
+  ctx->pipeline = gst_pipeline_new ("pipeline");
+  fail_unless (ctx->pipeline != NULL);
+  ctx->src = gst_element_factory_make ("videotestsrc", "src");
+  fail_unless (ctx->src != NULL, "Failed to create videotestsrc element");
+  ctx->filter = gst_element_factory_make ("capsfilter", "filter");
+  fail_unless (ctx->filter != NULL, "Failed to create capsfilter element");
+  ctx->box = gst_element_factory_make ("videobox", "box");
+  fail_unless (ctx->box != NULL, "Failed to create videobox element");
+  ctx->filter2 = gst_element_factory_make ("capsfilter", "filter2");
+  fail_unless (ctx->filter2 != NULL,
+      "Failed to create second capsfilter element");
+  ctx->sink = gst_element_factory_make ("fakesink", "sink");
+  fail_unless (ctx->sink != NULL, "Failed to create fakesink element");
+
+  gst_bin_add_many (GST_BIN (ctx->pipeline), ctx->src, ctx->filter,
+      ctx->box, ctx->filter2, ctx->sink, NULL);
+  fail_unless (gst_element_link_many (ctx->src, ctx->filter, ctx->box,
+          ctx->filter2, ctx->sink, NULL) == TRUE, "Can not link elements");
+
+  fail_unless (gst_element_set_state (ctx->pipeline,
+          GST_STATE_READY) != GST_STATE_CHANGE_FAILURE,
+      "couldn't set pipeline to READY state");
+
+  GST_LOG ("videobox context inited");
+}
+
+static void
+videobox_test_deinit_context (GstVideoBoxTestContext * ctx)
+{
+  GST_LOG ("deiniting videobox context");
+
+  gst_element_set_state (ctx->pipeline, GST_STATE_NULL);
+  gst_object_unref (ctx->pipeline);
+  memset (ctx, 0x00, sizeof (GstVideoBoxTestContext));
+}
+
+GST_START_TEST (test_caps_transform)
+{
+  GstStateChangeReturn state_ret;
+  GstVideoBoxTestContext ctx;
+  guint conversions_test_size;
+  guint itr;
+  gboolean link_res;
+  GMainLoop *loop;
+  GstBus *bus;
+
+  videobox_test_init_context (&ctx);
+  gst_util_set_object_arg (G_OBJECT (ctx.src), "num-buffers", "1");
+
+  loop = g_main_loop_new (NULL, TRUE);
+  fail_unless (loop != NULL);
+
+  bus = gst_element_get_bus (ctx.pipeline);
+  fail_unless (bus != NULL);
+
+  gst_bus_add_watch (bus, bus_handler, loop);
+  gst_object_unref (bus);
+
+  conversions_test_size = G_N_ELEMENTS (conversion_table);
+  for (itr = 0; itr < conversions_test_size; itr++) {
+    gst_element_unlink_many (ctx.src, ctx.filter, ctx.box, ctx.filter2,
+        ctx.sink, NULL);
+    gst_util_set_object_arg (G_OBJECT (ctx.filter), "caps",
+        conversion_table[itr].in_caps);
+    gst_util_set_object_arg (G_OBJECT (ctx.filter2), "caps",
+        conversion_table[itr].out_caps);
+
+    /* Link with new input and output format from conversion table */
+    link_res =
+        gst_element_link_many (ctx.src, ctx.filter, ctx.box, ctx.filter2,
+        ctx.sink, NULL);
+
+    /* Check if the specified format conversion is supported or not by videobox */
+    fail_unless (link_res == conversion_table[itr].expected_result,
+        "videobox can not convert from '%s'' to '%s'",
+        conversion_table[itr].in_caps, conversion_table[itr].out_caps);
+
+    if (link_res == FALSE) {
+      GST_LOG ("elements linking failed");
+      continue;
+    }
+
+    state_ret = gst_element_set_state (ctx.pipeline, GST_STATE_PLAYING);
+    fail_unless (state_ret != GST_STATE_CHANGE_FAILURE,
+        "couldn't set pipeline to PLAYING state");
+
+    g_main_loop_run (loop);
+
+    state_ret = gst_element_set_state (ctx.pipeline, GST_STATE_READY);
+    fail_unless (state_ret != GST_STATE_CHANGE_FAILURE,
+        "couldn't set pipeline to READY state");
+  }
+
+  g_main_loop_unref (loop);
+
+  videobox_test_deinit_context (&ctx);
+}
+
+GST_END_TEST;
+
+
+static Suite *
+videobox_suite (void)
+{
+  Suite *s = suite_create ("videobox");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_caps_transform);
+
+  return s;
+}
+
+int
+main (int argc, char **argv)
+{
+  int nf;
+
+  Suite *s = videobox_suite ();
+  SRunner *sr = srunner_create (s);
+
+  gst_check_init (&argc, &argv);
+
+  srunner_run_all (sr, CK_NORMAL);
+  nf = srunner_ntests_failed (sr);
+  srunner_free (sr);
+
+  return nf;
+}