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-rw-r--r--tests/check/elements/gdkpixbufsink.c293
1 files changed, 293 insertions, 0 deletions
diff --git a/tests/check/elements/gdkpixbufsink.c b/tests/check/elements/gdkpixbufsink.c
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+++ b/tests/check/elements/gdkpixbufsink.c
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+/* GStreamer unit test for the gdkpixbufsink element
+ * Copyright (C) 2008 Tim-Philipp Müller <tim centricular net>
+ *
+ * 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 <gst/check/gstcheck.h>
+#include <gst/video/video.h>
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#define CAPS_RGB "video/x-raw, format=RGB"
+#define CAPS_RGBA "video/x-raw, format=RGBA"
+#define WxH ",width=(int)319,height=(int)241"
+
+#define N_BUFFERS 5
+
+typedef struct
+{
+ GstElement *pipe;
+ GstElement *src;
+ GstElement *filter;
+ GstElement *sink;
+} GstGdkPixbufSinkTestContext;
+
+static void
+gdkpixbufsink_init_test_context (GstGdkPixbufSinkTestContext * ctx,
+ const gchar * filter_caps_string, gint num_buffers)
+{
+ GstCaps *caps;
+
+ fail_unless (ctx != NULL);
+
+ ctx->pipe = gst_pipeline_new ("pipeline");
+ fail_unless (ctx->pipe != 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->sink = gst_element_factory_make ("gdkpixbufsink", "sink");
+ fail_unless (ctx->sink != NULL, "Failed to create gdkpixbufsink element");
+
+ caps = gst_caps_from_string (filter_caps_string);
+ fail_unless (caps != NULL);
+ g_object_set (ctx->filter, "caps", caps, NULL);
+ gst_caps_unref (caps);
+
+ if (num_buffers > 0)
+ g_object_set (ctx->src, "num-buffers", num_buffers, NULL);
+
+ fail_unless (gst_bin_add (GST_BIN (ctx->pipe), ctx->src));
+ fail_unless (gst_bin_add (GST_BIN (ctx->pipe), ctx->filter));
+ fail_unless (gst_bin_add (GST_BIN (ctx->pipe), ctx->sink));
+ fail_unless (gst_element_link (ctx->src, ctx->filter));
+ fail_unless (gst_element_link (ctx->filter, ctx->sink));
+}
+
+static void
+gdkpixbufsink_unset_test_context (GstGdkPixbufSinkTestContext * ctx)
+{
+ gst_element_set_state (ctx->pipe, GST_STATE_NULL);
+ gst_object_unref (ctx->pipe);
+ memset (ctx, 0, sizeof (GstGdkPixbufSinkTestContext));
+}
+
+static gboolean
+check_last_pixbuf (GstGdkPixbufSinkTestContext * ctx, gpointer pixbuf)
+{
+ gpointer last_pb = NULL;
+ gboolean ret;
+
+ g_object_get (ctx->sink, "last-pixbuf", &last_pb, NULL);
+
+ ret = (last_pb == pixbuf);
+
+ if (last_pb)
+ g_object_unref (last_pb);
+
+ return ret;
+}
+
+/* doesn't return a ref to the pixbuf */
+static GdkPixbuf *
+check_message_pixbuf (GstMessage * msg, const gchar * name, gint channels,
+ gboolean has_alpha)
+{
+ GdkPixbuf *pixbuf;
+ const GstStructure *s;
+
+ fail_unless (gst_message_get_structure (msg) != NULL);
+
+ s = gst_message_get_structure (msg);
+ fail_unless_equals_string (gst_structure_get_name (s), name);
+
+ fail_unless (gst_structure_has_field (s, "pixbuf"));
+ fail_unless (gst_structure_has_field_typed (s, "pixel-aspect-ratio",
+ GST_TYPE_FRACTION));
+ pixbuf =
+ GDK_PIXBUF (g_value_get_object (gst_structure_get_value (s, "pixbuf")));
+ fail_unless (GDK_IS_PIXBUF (pixbuf));
+ fail_unless_equals_int (gdk_pixbuf_get_n_channels (pixbuf), channels);
+ fail_unless_equals_int (gdk_pixbuf_get_has_alpha (pixbuf), has_alpha);
+ fail_unless_equals_int (gdk_pixbuf_get_width (pixbuf), 319);
+ fail_unless_equals_int (gdk_pixbuf_get_height (pixbuf), 241);
+
+ return pixbuf;
+}
+
+GST_START_TEST (test_rgb)
+{
+ GstGdkPixbufSinkTestContext ctx;
+ GstMessage *msg;
+ GdkPixbuf *pixbuf;
+ GstBus *bus;
+ gint i;
+
+ gdkpixbufsink_init_test_context (&ctx, CAPS_RGB WxH, N_BUFFERS);
+
+ fail_unless (check_last_pixbuf (&ctx, NULL));
+
+ /* start prerolling */
+ fail_unless_equals_int (gst_element_set_state (ctx.pipe, GST_STATE_PAUSED),
+ GST_STATE_CHANGE_ASYNC);
+
+ /* wait until prerolled */
+ fail_unless_equals_int (gst_element_get_state (ctx.pipe, NULL, NULL, -1),
+ GST_STATE_CHANGE_SUCCESS);
+
+ bus = gst_element_get_bus (ctx.pipe);
+
+ /* find element message from our gdkpixbufsink, ignore element messages from
+ * other elemements (which just seems prudent to do, we don't expect any) */
+ while (1) {
+ msg = gst_bus_pop_filtered (bus, GST_MESSAGE_ELEMENT);
+ fail_if (msg == NULL, "Expected element message from gdkpixbufsink");
+
+ if (msg->src == GST_OBJECT (ctx.sink))
+ break;
+ }
+
+ pixbuf = check_message_pixbuf (msg, "preroll-pixbuf", 3, FALSE);
+ fail_unless (check_last_pixbuf (&ctx, pixbuf));
+ gst_message_unref (msg);
+ pixbuf = NULL;
+
+ /* and go! */
+ fail_unless_equals_int (gst_element_set_state (ctx.pipe, GST_STATE_PLAYING),
+ GST_STATE_CHANGE_SUCCESS);
+
+ /* This is racy, supposed to make sure locking and refcounting works at
+ * least to some extent */
+ for (i = 0; i < 10000; ++i) {
+ gpointer obj = NULL;
+
+ g_object_get (ctx.sink, "last-pixbuf", &obj, NULL);
+ fail_unless (obj == NULL || GDK_IS_PIXBUF (obj));
+ if (obj)
+ g_object_unref (obj);
+ }
+
+ /* there should be as many pixbuf messages as buffers */
+ for (i = 0; i < N_BUFFERS; ++i) {
+ /* find element message from our gdkpixbufsink, ignore element messages from
+ * other elemements (which just seems prudent to do, we don't expect any) */
+ while (1) {
+ msg = gst_bus_timed_pop_filtered (bus, -1, GST_MESSAGE_ELEMENT);
+ fail_if (msg == NULL, "Expected element message from gdkpixbufsink");
+ if (msg->src == GST_OBJECT (ctx.sink))
+ break;
+ }
+
+ pixbuf = check_message_pixbuf (msg, "pixbuf", 3, FALSE);
+ gst_message_unref (msg);
+ }
+
+ /* note: we don't hold a ref to pixbuf any longer here, but it should be ok */
+ fail_unless (check_last_pixbuf (&ctx, pixbuf));
+ pixbuf = NULL;
+
+ gdkpixbufsink_unset_test_context (&ctx);
+ gst_object_unref (bus);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_rgba)
+{
+ GstGdkPixbufSinkTestContext ctx;
+ GstMessage *msg;
+ GdkPixbuf *pixbuf;
+ GstBus *bus;
+ gint i;
+
+ gdkpixbufsink_init_test_context (&ctx, CAPS_RGBA WxH, N_BUFFERS);
+
+ fail_unless (check_last_pixbuf (&ctx, NULL));
+
+ /* start prerolling */
+ fail_unless_equals_int (gst_element_set_state (ctx.pipe, GST_STATE_PAUSED),
+ GST_STATE_CHANGE_ASYNC);
+
+ /* wait until prerolled */
+ fail_unless_equals_int (gst_element_get_state (ctx.pipe, NULL, NULL, -1),
+ GST_STATE_CHANGE_SUCCESS);
+
+ bus = gst_element_get_bus (ctx.pipe);
+
+ /* find element message from our gdkpixbufsink, ignore element messages from
+ * other elemements (which just seems prudent to do, we don't expect any) */
+ while (1) {
+ msg = gst_bus_pop_filtered (bus, GST_MESSAGE_ELEMENT);
+ fail_if (msg == NULL, "Expected element message from gdkpixbufsink");
+
+ if (msg->src == GST_OBJECT (ctx.sink))
+ break;
+ }
+
+ pixbuf = check_message_pixbuf (msg, "preroll-pixbuf", 4, TRUE);
+ fail_unless (check_last_pixbuf (&ctx, pixbuf));
+ gst_message_unref (msg);
+ pixbuf = NULL;
+
+ /* and go! */
+ fail_unless_equals_int (gst_element_set_state (ctx.pipe, GST_STATE_PLAYING),
+ GST_STATE_CHANGE_SUCCESS);
+
+ /* This is racy, supposed to make sure locking and refcounting works at
+ * least to some extent */
+ for (i = 0; i < 10000; ++i) {
+ gpointer obj = NULL;
+
+ g_object_get (ctx.sink, "last-pixbuf", &obj, NULL);
+ fail_unless (obj == NULL || GDK_IS_PIXBUF (obj));
+ if (obj)
+ g_object_unref (obj);
+ }
+
+ /* there should be as many pixbuf messages as buffers */
+ for (i = 0; i < N_BUFFERS; ++i) {
+ /* find element message from our gdkpixbufsink, ignore element messages from
+ * other elemements (which just seems prudent to do, we don't expect any) */
+ while (1) {
+ msg = gst_bus_timed_pop_filtered (bus, -1, GST_MESSAGE_ELEMENT);
+ fail_if (msg == NULL, "Expected element message from gdkpixbufsink");
+ if (msg->src == GST_OBJECT (ctx.sink))
+ break;
+ }
+
+ pixbuf = check_message_pixbuf (msg, "pixbuf", 4, TRUE);
+ gst_message_unref (msg);
+ }
+
+ /* note: we don't hold a ref to pixbuf any longer here, but it should be ok */
+ fail_unless (check_last_pixbuf (&ctx, pixbuf));
+ pixbuf = NULL;
+
+ gdkpixbufsink_unset_test_context (&ctx);
+ gst_object_unref (bus);
+}
+
+GST_END_TEST;
+
+static Suite *
+gdkpixbufsink_suite (void)
+{
+ Suite *s = suite_create ("gdkpixbufsink");
+ TCase *tc_chain = tcase_create ("general");
+
+ suite_add_tcase (s, tc_chain);
+ tcase_add_test (tc_chain, test_rgb);
+ tcase_add_test (tc_chain, test_rgba);
+
+ return s;
+}
+
+GST_CHECK_MAIN (gdkpixbufsink);
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