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/* GStreamer unit test for the alphacolor element
*
* Copyright (C) 2007 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.
*/
#include <gst/check/gstcheck.h>
#include <gst/video/video.h>
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
GstPad *mysrcpad, *mysinkpad;
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("AYUV"))
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBA, RGB }"))
);
static GstElement *
setup_alphacolor (void)
{
GstElement *alphacolor;
alphacolor = gst_check_setup_element ("alphacolor");
mysrcpad = gst_check_setup_src_pad (alphacolor, &srctemplate);
mysinkpad = gst_check_setup_sink_pad (alphacolor, &sinktemplate);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
return alphacolor;
}
static void
cleanup_alphacolor (GstElement * alphacolor)
{
GST_DEBUG ("cleaning up");
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (alphacolor);
gst_check_teardown_sink_pad (alphacolor);
gst_check_teardown_element (alphacolor);
}
#define WIDTH 3
#define HEIGHT 4
static GstCaps *
create_caps_rgb24 (void)
{
GstCaps *caps;
caps = gst_caps_new_simple ("video/x-raw",
"width", G_TYPE_INT, 3,
"height", G_TYPE_INT, 4,
"framerate", GST_TYPE_FRACTION, 0, 1,
"format", G_TYPE_STRING, "RGB", NULL);
return caps;
}
static GstCaps *
create_caps_rgba32 (void)
{
GstCaps *caps;
caps = gst_caps_new_simple ("video/x-raw",
"width", G_TYPE_INT, 3,
"height", G_TYPE_INT, 4,
"framerate", GST_TYPE_FRACTION, 0, 1,
"format", G_TYPE_STRING, "RGBA", NULL);
return caps;
}
static GstBuffer *
create_buffer_rgb24_3x4 (void)
{
/* stride is rounded up to multiple of 4, so 3 bytes padding for each row */
const guint8 rgb24_3x4_img[HEIGHT * GST_ROUND_UP_4 (WIDTH * 3)] = {
0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00
};
guint rowstride = GST_ROUND_UP_4 (WIDTH * 3);
GstBuffer *buf;
GstMapInfo info;
buf = gst_buffer_new_and_alloc (HEIGHT * rowstride);
gst_buffer_map (buf, &info, GST_MAP_READWRITE);
fail_unless_equals_int (info.size, sizeof (rgb24_3x4_img));
memcpy (info.data, rgb24_3x4_img, sizeof (rgb24_3x4_img));
gst_buffer_unmap (buf, &info);
return buf;
}
static GstBuffer *
create_buffer_rgba32_3x4 (void)
{
/* stride is rounded up to multiple of 4, so 3 bytes padding for each row */
/* should be: RED BLUE WHITE where 'nothing' is fully transparent
* GREEN RED BLUE and all other colours are fully
* NOTHING GREEN RED opaque.
* BLACK NOTHING GREEN
*/
const guint8 rgba32_3x4_img[HEIGHT * WIDTH * 4] = {
0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff,
0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0xff,
0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff,
0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff
};
guint rowstride = WIDTH * 4;
GstBuffer *buf;
GstMapInfo map;
buf = gst_buffer_new_and_alloc (HEIGHT * rowstride);
gst_buffer_map (buf, &map, GST_MAP_READWRITE);
fail_unless_equals_int (map.size, sizeof (rgba32_3x4_img));
memcpy (map.data, rgba32_3x4_img, sizeof (rgba32_3x4_img));
gst_buffer_unmap (buf, &map);
return buf;
}
GST_START_TEST (test_rgb24)
{
GstElement *alphacolor;
GstBuffer *inbuffer;
GstCaps *incaps;
incaps = create_caps_rgb24 ();
alphacolor = setup_alphacolor ();
fail_unless_equals_int (gst_element_set_state (alphacolor, GST_STATE_PLAYING),
GST_STATE_CHANGE_SUCCESS);
gst_check_setup_events (mysrcpad, alphacolor, incaps, GST_FORMAT_TIME);
inbuffer = create_buffer_rgb24_3x4 ();
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away reference; this should error out with a not-negotiated
* error, alphacolor should only accept RGBA caps, not but plain RGB24 caps */
GST_DEBUG ("push it");
fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer),
GST_FLOW_NOT_NEGOTIATED);
GST_DEBUG ("pushed it");
fail_unless (g_list_length (buffers) == 0);
fail_unless_equals_int (gst_element_set_state (alphacolor, GST_STATE_NULL),
GST_STATE_CHANGE_SUCCESS);
/* cleanup */
GST_DEBUG ("cleanup alphacolor");
cleanup_alphacolor (alphacolor);
GST_DEBUG ("cleanup, unref incaps");
ASSERT_CAPS_REFCOUNT (incaps, "incaps", 1);
gst_caps_unref (incaps);
}
GST_END_TEST;
/* these macros assume WIDTH and HEIGHT is fixed to what's defined above */
#define fail_unless_ayuv_pixel_has_alpha(ayuv,x,y,a) \
{ \
guint8 *pixel; \
pixel = ((guint8*)(ayuv) + ((WIDTH * 4) * (y)) + ((x) * 4)); \
fail_unless_equals_int (pixel[0], a); \
}
GST_START_TEST (test_rgba32)
{
GstElement *alphacolor;
GstBuffer *inbuffer;
GstBuffer *outbuffer;
GstCaps *incaps;
guint8 *ayuv;
guint outlength;
GstMapInfo map;
incaps = create_caps_rgba32 ();
alphacolor = setup_alphacolor ();
fail_unless_equals_int (gst_element_set_state (alphacolor, GST_STATE_PLAYING),
GST_STATE_CHANGE_SUCCESS);
gst_check_setup_events (mysrcpad, alphacolor, incaps, GST_FORMAT_TIME);
inbuffer = create_buffer_rgba32_3x4 ();
GST_DEBUG ("Created buffer of %" G_GSIZE_FORMAT " bytes",
gst_buffer_get_size (inbuffer));
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away reference */
GST_DEBUG ("push it");
fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);
GST_DEBUG ("pushed it");
/* ... and puts a new buffer on the global list */
fail_unless (g_list_length (buffers) == 1);
outbuffer = (GstBuffer *) buffers->data;
fail_if (outbuffer == NULL);
fail_unless (GST_IS_BUFFER (outbuffer));
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
outlength = WIDTH * HEIGHT * 4; /* output is AYUV */
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
fail_unless_equals_int (map.size, outlength);
ayuv = map.data;
/* check alpha values (0x00 = totally transparent, 0xff = totally opaque) */
fail_unless_ayuv_pixel_has_alpha (ayuv, 0, 0, 0xff);
fail_unless_ayuv_pixel_has_alpha (ayuv, 1, 0, 0xff);
fail_unless_ayuv_pixel_has_alpha (ayuv, 2, 0, 0xff);
fail_unless_ayuv_pixel_has_alpha (ayuv, 0, 1, 0xff);
fail_unless_ayuv_pixel_has_alpha (ayuv, 1, 1, 0xff);
fail_unless_ayuv_pixel_has_alpha (ayuv, 2, 1, 0xff);
fail_unless_ayuv_pixel_has_alpha (ayuv, 0, 2, 0x00);
fail_unless_ayuv_pixel_has_alpha (ayuv, 1, 2, 0xff);
fail_unless_ayuv_pixel_has_alpha (ayuv, 2, 2, 0xff);
fail_unless_ayuv_pixel_has_alpha (ayuv, 0, 3, 0xff);
fail_unless_ayuv_pixel_has_alpha (ayuv, 1, 3, 0x00);
fail_unless_ayuv_pixel_has_alpha (ayuv, 2, 3, 0xff);
/* we don't check the YUV data, because apparently results differ slightly
* depending on whether we run in valgrind or not */
gst_buffer_unmap (outbuffer, &map);
buffers = g_list_remove (buffers, outbuffer);
gst_buffer_unref (outbuffer);
fail_unless_equals_int (gst_element_set_state (alphacolor, GST_STATE_NULL),
GST_STATE_CHANGE_SUCCESS);
/* cleanup */
GST_DEBUG ("cleanup alphacolor");
cleanup_alphacolor (alphacolor);
GST_DEBUG ("cleanup, unref incaps");
ASSERT_CAPS_REFCOUNT (incaps, "incaps", 1);
gst_caps_unref (incaps);
}
GST_END_TEST;
static Suite *
alphacolor_suite (void)
{
Suite *s = suite_create ("alphacolor");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_rgb24);
tcase_add_test (tc_chain, test_rgba32);
return s;
}
GST_CHECK_MAIN (alphacolor);