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tests: Add a check for the new compositor pad-is-obscured optimization
We verify that all the buffers on an obscured sinkpad are skipped by overriding the map() function in the GstVideoMeta of the buffers to set a variable when called. We also test that the buffers do get mapped when they're not obscured. Blame^WCredit for the GstVideoMeta map() idea goes to Tim. https://bugzilla.gnome.org/show_bug.cgi?id=746147
This commit is contained in:
Nirbheek Chauhan
Tim-Philipp Müller
parent
070777498f
commit
dbbfba76ea
1 changed files with 209 additions and 0 deletions
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@ -33,6 +33,7 @@
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#include <gst/check/gstcheck.h>
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#include <gst/check/gstconsistencychecker.h>
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#include <gst/video/gstvideometa.h>
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#include <gst/base/gstbasesrc.h>
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#define VIDEO_CAPS_STRING \
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@ -1096,6 +1097,213 @@ GST_START_TEST (test_segment_base_handling)
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GST_END_TEST;
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static gboolean buffer_mapped;
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static gboolean (*default_map) (GstVideoMeta * meta, guint plane,
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GstMapInfo * info, gpointer * data, gint * stride, GstMapFlags flags);
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static gboolean
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test_obscured_new_videometa_map (GstVideoMeta * meta, guint plane,
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GstMapInfo * info, gpointer * data, gint * stride, GstMapFlags flags)
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{
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buffer_mapped = TRUE;
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return default_map (meta, plane, info, data, stride, flags);
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}
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static GstPadProbeReturn
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test_obscured_pad_probe_cb (GstPad * srcpad, GstPadProbeInfo * info,
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gpointer user_data)
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{
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GstBuffer *obuf, *nbuf;
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GstVideoMeta *meta;
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GST_DEBUG ("pad probe called");
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/* We need to deep-copy the buffer here because videotestsrc reuses buffers
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* and hence the GstVideoMap associated with the buffers, and that causes a
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* segfault inside videotestsrc when it tries to reuse the buffer */
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obuf = GST_PAD_PROBE_INFO_BUFFER (info);
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nbuf = gst_buffer_new ();
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gst_buffer_copy_into (nbuf, obuf, GST_BUFFER_COPY_ALL | GST_BUFFER_COPY_DEEP,
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0, -1);
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meta = gst_buffer_get_video_meta (nbuf);
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/* Override the default map() function to set also buffer_mapped */
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default_map = meta->map;
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meta->map = test_obscured_new_videometa_map;
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/* Replace the buffer that's going downstream */
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GST_PAD_PROBE_INFO_DATA (info) = nbuf;
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gst_buffer_unref (obuf);
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return GST_PAD_PROBE_PASS;
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}
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static void
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_test_obscured (const gchar * caps_str, gint xpos0, gint ypos0, gint width0,
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gint height0, gdouble alpha0, gint xpos1, gint ypos1, gint width1,
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gint height1, gdouble alpha1)
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{
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GstElement *pipeline, *sink, *mix, *src0, *cfilter0, *src1, *cfilter1;
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GstPad *srcpad, *sinkpad;
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GstSample *last_sample = NULL;
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GstSample *sample;
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GstCaps *caps;
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GST_INFO ("preparing test");
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pipeline = gst_pipeline_new ("pipeline");
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src0 = gst_element_factory_make ("videotestsrc", "src0");
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g_object_set (src0, "num-buffers", 5, NULL);
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cfilter0 = gst_element_factory_make ("capsfilter", "capsfilter0");
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caps = gst_caps_from_string (caps_str);
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g_object_set (cfilter0, "caps", caps, NULL);
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gst_caps_unref (caps);
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src1 = gst_element_factory_make ("videotestsrc", "src1");
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g_object_set (src1, "num-buffers", 5, NULL);
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cfilter1 = gst_element_factory_make ("capsfilter", "capsfilter1");
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caps = gst_caps_from_string (caps_str);
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g_object_set (cfilter1, "caps", caps, NULL);
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gst_caps_unref (caps);
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mix = gst_element_factory_make ("compositor", "compositor");
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sink = gst_element_factory_make ("appsink", "sink");
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gst_bin_add_many (GST_BIN (pipeline), src0, cfilter0, src1, cfilter1, mix,
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sink, NULL);
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fail_unless (gst_element_link (src0, cfilter0));
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fail_unless (gst_element_link (src1, cfilter1));
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fail_unless (gst_element_link (mix, sink));
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srcpad = gst_element_get_static_pad (cfilter0, "src");
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sinkpad = gst_element_get_request_pad (mix, "sink_0");
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g_object_set (sinkpad, "xpos", xpos0, "ypos", ypos0, "width", width0,
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"height", height0, "alpha", alpha0, NULL);
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fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK);
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gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_BUFFER,
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test_obscured_pad_probe_cb, NULL, NULL);
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gst_object_unref (sinkpad);
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gst_object_unref (srcpad);
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srcpad = gst_element_get_static_pad (cfilter1, "src");
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sinkpad = gst_element_get_request_pad (mix, "sink_1");
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g_object_set (sinkpad, "xpos", xpos1, "ypos", ypos1, "width", width1,
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"height", height1, "alpha", alpha1, NULL);
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fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK);
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gst_object_unref (sinkpad);
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gst_object_unref (srcpad);
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GST_INFO ("sample prepared");
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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do {
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GST_DEBUG ("sample pulling");
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g_signal_emit_by_name (sink, "pull-sample", &sample);
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if (sample == NULL)
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break;
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if (last_sample)
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gst_sample_unref (last_sample);
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last_sample = sample;
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GST_DEBUG ("sample pulled");
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} while (TRUE);
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gst_sample_unref (last_sample);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (pipeline);
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}
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GST_START_TEST (test_obscured_skipped)
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{
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gint xpos0, xpos1;
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gint ypos0, ypos1;
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gint width0, width1;
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gint height0, height1;
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gdouble alpha0, alpha1;
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const gchar *caps_str;
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caps_str = "video/x-raw";
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buffer_mapped = FALSE;
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/* Set else to compositor defaults */
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alpha0 = alpha1 = 1.0;
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xpos0 = xpos1 = ypos0 = ypos1 = 0;
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width0 = width1 = height0 = height1 = 0;
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GST_INFO ("testing defaults");
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/* With everything at defaults, sink_1 will obscure sink_0, so buffers from
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* sink_0 will never get mapped by compositor. To verify, run with
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* GST_DEBUG=compositor:6 and look for "Obscured by" messages */
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_test_obscured (caps_str, xpos0, ypos0, width0, height0, alpha0, xpos1, ypos1,
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width1, height1, alpha1);
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fail_unless (buffer_mapped == FALSE);
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buffer_mapped = FALSE;
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caps_str = "video/x-raw,format=ARGB";
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GST_INFO ("testing video with alpha channel");
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_test_obscured (caps_str, xpos0, ypos0, width0, height0, alpha0, xpos1, ypos1,
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width1, height1, alpha1);
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fail_unless (buffer_mapped == TRUE);
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caps_str = "video/x-raw";
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buffer_mapped = FALSE;
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alpha1 = 0.0;
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GST_INFO ("testing alpha1 = %.2g", alpha1);
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_test_obscured (caps_str, xpos0, ypos0, width0, height0, alpha0, xpos1, ypos1,
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width1, height1, alpha1);
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fail_unless (buffer_mapped == TRUE);
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alpha1 = 1.0;
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buffer_mapped = FALSE;
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/* Test 0.1, ..., 0.9 */
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for (alpha1 = 1; alpha1 < 10; alpha1 += 1) {
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GST_INFO ("testing alpha1 = %.2g", alpha1 / 10);
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_test_obscured (caps_str, xpos0, ypos0, width0, height0, alpha0, xpos1,
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ypos1, width1, height1, alpha1 / 10);
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fail_unless (buffer_mapped == TRUE);
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}
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alpha1 = 1.0;
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buffer_mapped = FALSE;
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width1 = height1 = 10;
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GST_INFO ("testing smaller sink_1");
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_test_obscured (caps_str, xpos0, ypos0, width0, height0, alpha0, xpos1, ypos1,
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width1, height1, alpha1);
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fail_unless (buffer_mapped == TRUE);
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width1 = height1 = 0;
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buffer_mapped = FALSE;
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width0 = height0 = width1 = height1 = 10;
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GST_INFO ("testing smaller sink_1 and sink0 (same sizes)");
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_test_obscured (caps_str, xpos0, ypos0, width0, height0, alpha0, xpos1, ypos1,
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width1, height1, alpha1);
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fail_unless (buffer_mapped == FALSE);
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width0 = height0 = width1 = height1 = 0;
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buffer_mapped = FALSE;
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width0 = height0 = 20;
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width1 = height1 = 10;
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GST_INFO ("testing smaller sink_1 and sink0 (sink_0 > sink_1)");
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_test_obscured (caps_str, xpos0, ypos0, width0, height0, alpha0, xpos1, ypos1,
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width1, height1, alpha1);
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fail_unless (buffer_mapped == TRUE);
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width0 = height0 = width1 = height1 = 0;
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buffer_mapped = FALSE;
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width0 = height0 = 10;
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width1 = height1 = 20;
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GST_INFO ("testing smaller sink_1 and sink0 (sink_0 < sink_1)");
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_test_obscured (caps_str, xpos0, ypos0, width0, height0, alpha0, xpos1, ypos1,
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width1, height1, alpha1);
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fail_unless (buffer_mapped == FALSE);
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width0 = height0 = width1 = height1 = 0;
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buffer_mapped = FALSE;
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xpos0 = ypos0 = 10000;
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GST_INFO ("testing sink_0 outside the frame");
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_test_obscured (caps_str, xpos0, ypos0, width0, height0, alpha0, xpos1, ypos1,
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width1, height1, alpha1);
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fail_unless (buffer_mapped == FALSE);
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xpos0 = ypos0 = 0;
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buffer_mapped = FALSE;
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}
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GST_END_TEST;
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static Suite *
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compositor_suite (void)
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{
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@ -1115,6 +1323,7 @@ compositor_suite (void)
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tcase_add_test (tc_chain, test_loop);
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tcase_add_test (tc_chain, test_flush_start_flush_stop);
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tcase_add_test (tc_chain, test_segment_base_handling);
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tcase_add_test (tc_chain, test_obscured_skipped);
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/* Use a longer timeout */
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#ifdef HAVE_VALGRIND
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