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-rw-r--r--tests/check/libs/video.c118
1 files changed, 115 insertions, 3 deletions
diff --git a/tests/check/libs/video.c b/tests/check/libs/video.c
index abc6f22c5..95105cbe4 100644
--- a/tests/check/libs/video.c
+++ b/tests/check/libs/video.c
@@ -3,6 +3,7 @@
* Copyright (C) <2003> David A. Schleef <ds@schleef.org>
* Copyright (C) <2006> Jan Schmidt <thaytan@mad.scientist.com>
* Copyright (C) <2008,2011> Tim-Philipp Müller <tim centricular net>
+ * Copyright (C) <2012> Collabora Ltd. <tim.muller@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -858,9 +859,6 @@ GST_START_TEST (test_video_size_from_caps)
GST_END_TEST;
-#undef ASSERT_CRITICAL
-#define ASSERT_CRITICAL(code) while(0){} /* nothing */
-
#if 0
/* FIXME 0.11: port overlay composition to buffer meta */
GST_START_TEST (test_overlay_composition)
@@ -986,6 +984,7 @@ GST_START_TEST (test_overlay_composition)
fail_unless (gst_video_buffer_get_overlay_composition (buf) == NULL);
gst_buffer_ref (buf);
+ /* buffer now has refcount of 2, so its metadata is not writable */
ASSERT_CRITICAL (gst_video_buffer_set_overlay_composition (buf, comp1));
gst_buffer_unref (buf);
gst_video_buffer_set_overlay_composition (buf, comp1);
@@ -1004,6 +1003,118 @@ GST_START_TEST (test_overlay_composition)
}
GST_END_TEST;
+
+GST_START_TEST (test_overlay_composition_premultiplied_alpha)
+{
+ GstVideoOverlayRectangle *rect1;
+ GstBuffer *pix1, *pix2, *pix3, *pix4, *pix5;
+ GstBuffer *pix6, *pix7, *pix8, *pix9, *pix10;
+ guint8 *data5, *data7;
+ guint w, h, stride, w2, h2, stride2;
+
+ pix1 = gst_buffer_new_and_alloc (200 * sizeof (guint32) * 50);
+ memset (GST_BUFFER_DATA (pix1), 0x80, GST_BUFFER_SIZE (pix1));
+
+ rect1 = gst_video_overlay_rectangle_new_argb (pix1, 200, 50, 200 * 4,
+ 600, 50, 300, 50, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
+ gst_buffer_unref (pix1);
+
+ /* same flags, unscaled, should be the same buffer */
+ pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
+ &stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
+ fail_unless (pix1 == pix2);
+
+ /* same flags, but scaled */
+ pix3 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
+ GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
+ fail_if (pix3 == pix1 || pix3 == pix2);
+
+ /* same again, should hopefully get the same (cached) buffer as before */
+ pix4 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
+ GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
+ fail_unless (pix4 == pix3);
+
+ /* just to update the vars */
+ pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
+ &stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
+
+ /* now, let's try to get premultiplied alpha from the unpremultiplied input */
+ pix5 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w2, &h2,
+ &stride2, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
+ fail_if (pix5 == pix1 || pix5 == pix2 || pix5 == pix3);
+ fail_unless_equals_int (stride, stride2);
+ fail_unless_equals_int (w, w2);
+ fail_unless_equals_int (h, h2);
+ fail_unless_equals_int (GST_BUFFER_SIZE (pix2), GST_BUFFER_SIZE (pix5));
+ data5 = GST_BUFFER_DATA (pix5);
+ fail_if (memcmp (data5, GST_BUFFER_DATA (pix2), GST_BUFFER_SIZE (pix5)) == 0);
+
+ /* make sure it actually did what we expected it to do (input=0x80808080) */
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ /* B - G - R - A */
+ fail_unless_equals_int (data5[0], 0x40);
+ fail_unless_equals_int (data5[1], 0x40);
+ fail_unless_equals_int (data5[2], 0x40);
+ fail_unless_equals_int (data5[3], 0x80);
+#else
+ /* A - R - G - B */
+ fail_unless_equals_int (data5[0], 0x40);
+ fail_unless_equals_int (data5[1], 0x40);
+ fail_unless_equals_int (data5[2], 0x40);
+ fail_unless_equals_int (data5[3], 0x80);
+#endif
+
+ /* same again, now we should be getting back the same buffer as before,
+ * as it should have been cached */
+ pix6 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w2, &h2,
+ &stride2, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
+ fail_unless (pix6 == pix5);
+
+ /* just to update the stride var */
+ pix3 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
+ GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
+ fail_unless (pix3 == pix4);
+
+ /* now try to get scaled premultiplied alpha from unpremultiplied input */
+ pix7 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride2,
+ GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
+ fail_if (pix7 == pix1 || pix7 == pix2 || pix7 == pix3 || pix7 == pix5);
+ fail_unless_equals_int (stride, stride2);
+
+ data7 = GST_BUFFER_DATA (pix7);
+ /* make sure it actually did what we expected it to do (input=0x80808080)
+ * hoping that the scaling didn't mess up our values */
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ /* B - G - R - A */
+ fail_unless_equals_int (data7[0], 0x40);
+ fail_unless_equals_int (data7[1], 0x40);
+ fail_unless_equals_int (data7[2], 0x40);
+ fail_unless_equals_int (data7[3], 0x80);
+#else
+ /* A - R - G - B */
+ fail_unless_equals_int (data7[0], 0x40);
+ fail_unless_equals_int (data7[1], 0x40);
+ fail_unless_equals_int (data7[2], 0x40);
+ fail_unless_equals_int (data7[3], 0x80);
+#endif
+
+ /* and the same again, it should be cached now */
+ pix8 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride2,
+ GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
+ fail_unless (pix8 == pix7);
+
+ /* make sure other cached stuff is still there */
+ pix9 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
+ GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
+ fail_unless (pix9 == pix3);
+ pix10 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w2, &h2,
+ &stride2, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
+ fail_unless (pix10 == pix5);
+
+ gst_video_overlay_rectangle_unref (rect1);
+}
+
+GST_END_TEST;
#endif
static Suite *
@@ -1025,6 +1136,7 @@ video_suite (void)
#if 0
/* FIXME 0.11: port overlay compositions */
tcase_add_test (tc_chain, test_overlay_composition);
+ tcase_add_test (tc_chain, test_overlay_composition_premultiplied_alpha);
#endif
return s;