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tests: add basic unit test for video overlay composition and rectangles

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This commit is contained in:
Tim-Philipp Müller 2011-11-25 16:46:09 +00:00
parent 6630236af4
commit 00d6ffd9f5
1 changed files with 127 additions and 1 deletions
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128
tests/check/libs/video.c
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@ -2,7 +2,7 @@
*
* Copyright (C) <2003> David A. Schleef <ds@schleef.org>
* Copyright (C) <2006> Jan Schmidt <thaytan@mad.scientist.com>
* Copyright (C) <2008> Tim-Philipp Müller <tim centricular net>
* Copyright (C) <2008,2011> 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
@ -29,6 +29,7 @@
#include <gst/check/gstcheck.h>
#include <gst/video/video.h>
#include <gst/video/video-overlay-composition.h>
#include <string.h>
/* These are from the current/old videotestsrc; we check our new public API
@ -774,6 +775,130 @@ GST_START_TEST (test_video_size_from_caps)
GST_END_TEST;
#undef ASSERT_CRITICAL
#define ASSERT_CRITICAL(code) while(0){} /* nothing */
GST_START_TEST (test_overlay_composition)
{
GstVideoOverlayComposition *comp1, *comp2;
GstVideoOverlayRectangle *rect1, *rect2;
GstBuffer *pix1, *pix2, *buf;
guint w, h, stride;
gint x, y;
pix1 = gst_buffer_new_and_alloc (200 * sizeof (guint32) * 50);
memset (GST_BUFFER_DATA (pix1), 0, 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);
pix1 = NULL;
comp1 = gst_video_overlay_composition_new (rect1);
fail_unless (gst_video_overlay_composition_n_rectangles (comp1) == 1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp1, 0) == rect1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp1, 1) == NULL);
/* composition took own ref, so refcount is 2 now, so this should fail */
ASSERT_CRITICAL (gst_video_overlay_rectangle_set_render_rectangle (rect1, 50,
600, 300, 50));
/* drop our ref, so refcount is 1 (we know it will continue to be valid) */
gst_video_overlay_rectangle_unref (rect1);
gst_video_overlay_rectangle_set_render_rectangle (rect1, 50, 600, 300, 50);
comp2 = gst_video_overlay_composition_new (rect1);
fail_unless (gst_video_overlay_composition_n_rectangles (comp2) == 1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp2, 0) == rect1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp2, 1) == NULL);
/* now refcount is 2 again because comp2 has also taken a ref, so must fail */
ASSERT_CRITICAL (gst_video_overlay_rectangle_set_render_rectangle (rect1, 0,
0, 1, 1));
/* this should make a copy of the rectangles so drop the original
* second ref on rect1 */
comp2 = gst_video_overlay_composition_make_writable (comp2);
gst_video_overlay_rectangle_set_render_rectangle (rect1, 51, 601, 301, 51);
rect2 = gst_video_overlay_composition_get_rectangle (comp2, 0);
fail_unless (gst_video_overlay_composition_n_rectangles (comp2) == 1);
fail_unless (gst_video_overlay_composition_get_rectangle (comp2, 0) == rect2);
fail_unless (gst_video_overlay_composition_get_rectangle (comp2, 1) == NULL);
fail_unless (rect1 != rect2);
gst_video_overlay_composition_add_rectangle (comp1, rect2);
gst_video_overlay_composition_ref (comp1);
ASSERT_CRITICAL (gst_video_overlay_composition_add_rectangle (comp1, rect2));
gst_video_overlay_composition_unref (comp1);
/* make sure the copy really worked */
gst_video_overlay_rectangle_get_render_rectangle (rect1, &x, &y, &w, &h);
fail_unless_equals_int (x, 51);
fail_unless_equals_int (y, 601);
fail_unless_equals_int (w, 301);
fail_unless_equals_int (h, 51);
/* get scaled pixbuf and touch last byte */
pix1 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless_equals_int (*(GST_BUFFER_DATA (pix1) + (h * stride + w - 1)), 0);
gst_video_overlay_rectangle_get_render_rectangle (rect2, &x, &y, &w, &h);
fail_unless_equals_int (x, 50);
fail_unless_equals_int (y, 600);
fail_unless_equals_int (w, 300);
fail_unless_equals_int (h, 50);
/* get scaled pixbuf and touch last byte */
pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect2, &stride,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless_equals_int (*(GST_BUFFER_DATA (pix1) + (h * stride + w - 1)), 0);
/* get scaled pixbuf again, should be the same buffer as before (caching) */
pix1 = gst_video_overlay_rectangle_get_pixels_argb (rect2, &stride,
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
fail_unless (pix1 == pix2);
/* now compare the original unscaled ones */
pix1 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect2, &w, &h,
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
/* the original pixel buffers should be identical */
fail_unless (pix1 == pix2);
fail_unless_equals_int (w, 200);
fail_unless_equals_int (h, 50);
/* touch last byte */
fail_unless_equals_int (*(GST_BUFFER_DATA (pix1) + (h * stride + w - 1)), 0);
/* test attaching and retrieving of compositions to/from buffers */
buf = gst_buffer_new ();
fail_unless (gst_video_buffer_get_overlay_composition (buf) == NULL);
gst_buffer_ref (buf);
ASSERT_CRITICAL (gst_video_buffer_set_overlay_composition (buf, comp1));
gst_buffer_unref (buf);
gst_video_buffer_set_overlay_composition (buf, comp1);
fail_unless (gst_video_buffer_get_overlay_composition (buf) == comp1);
gst_video_buffer_set_overlay_composition (buf, comp2);
fail_unless (gst_video_buffer_get_overlay_composition (buf) == comp2);
gst_video_buffer_set_overlay_composition (buf, NULL);
fail_unless (gst_video_buffer_get_overlay_composition (buf) == NULL);
/* make sure the buffer cleans up its composition ref when unreffed */
gst_video_buffer_set_overlay_composition (buf, comp2);
gst_buffer_unref (buf);
gst_video_overlay_composition_unref (comp2);
gst_video_overlay_composition_unref (comp1);
}
GST_END_TEST;
static Suite *
video_suite (void)
{
@ -790,6 +915,7 @@ video_suite (void)
tcase_add_test (tc_chain, test_convert_frame);
tcase_add_test (tc_chain, test_convert_frame_async);
tcase_add_test (tc_chain, test_video_size_from_caps);
tcase_add_test (tc_chain, test_overlay_composition);
return s;
}