mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-14 20:36:32 +00:00
272 lines
6.9 KiB
C
272 lines
6.9 KiB
C
/* GStreamer unit test for the alpha element
|
|
*
|
|
* Copyright (C) 2007 Ravi Kiran K N <ravi.kiran@samsung.com>
|
|
*
|
|
* 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>
|
|
|
|
|
|
GstPad *srcpad, *sinkpad;
|
|
|
|
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 ("{ AYUV, "
|
|
"ARGB, BGRA, ABGR, RGBA, Y444, xRGB, BGRx, xBGR, "
|
|
"RGBx, RGB, BGR, Y42B, YUY2, YVYU, UYVY, I420, YV12, Y41B } "))
|
|
);
|
|
|
|
|
|
typedef enum
|
|
{
|
|
FILL_GREEN,
|
|
FILL_BLUE
|
|
}
|
|
FillColor;
|
|
|
|
static GstElement *
|
|
setup_alpha (void)
|
|
{
|
|
GstElement *alpha;
|
|
|
|
alpha = gst_check_setup_element ("alpha");
|
|
srcpad = gst_check_setup_src_pad (alpha, &srctemplate);
|
|
sinkpad = gst_check_setup_sink_pad (alpha, &sinktemplate);
|
|
|
|
gst_pad_set_active (srcpad, TRUE);
|
|
gst_pad_set_active (sinkpad, TRUE);
|
|
|
|
return alpha;
|
|
}
|
|
|
|
static void
|
|
cleanup_alpha (GstElement * alpha)
|
|
{
|
|
gst_pad_set_active (srcpad, FALSE);
|
|
gst_pad_set_active (sinkpad, FALSE);
|
|
gst_check_teardown_src_pad (alpha);
|
|
gst_check_teardown_sink_pad (alpha);
|
|
gst_check_teardown_element (alpha);
|
|
}
|
|
|
|
#define WIDTH 3
|
|
#define HEIGHT 4
|
|
|
|
static GstCaps *
|
|
create_caps_rgba32 (void)
|
|
{
|
|
GstCaps *caps;
|
|
|
|
caps = gst_caps_new_simple ("video/x-raw",
|
|
"width", G_TYPE_INT, WIDTH,
|
|
"height", G_TYPE_INT, HEIGHT,
|
|
"framerate", GST_TYPE_FRACTION, 0, 1,
|
|
"format", G_TYPE_STRING, "RGBA", NULL);
|
|
|
|
return caps;
|
|
}
|
|
|
|
#if G_BYTE_ORDER == G_BIG_ENDIAN
|
|
#define RGBA(r,g,b,a) (guint32)(((r&0xff)<<24)|((g&0xff)<<16)|((b&0xff)<<8)|(a&0xff))
|
|
#else
|
|
#define RGBA(r,g,b,a) (guint32)(((a&0xff)<<24)|((b&0xff)<<16)|((g&0xff)<<8)|(r&0xff))
|
|
#endif
|
|
#define RGB(r,g,b) RGBA(r,g,b,0xff)
|
|
|
|
static GstBuffer *
|
|
create_buffer_rgba32 (FillColor color)
|
|
{
|
|
guint8 rgba32_img[HEIGHT * WIDTH * 4];
|
|
guint32 *rgba32 = (guint32 *) rgba32_img;
|
|
|
|
GstBuffer *buf;
|
|
GstMapInfo map;
|
|
guint32 rgba_col;
|
|
int i;
|
|
|
|
if (color == FILL_GREEN)
|
|
rgba_col = RGB (0, 255, 0); /* GREEN */
|
|
else
|
|
rgba_col = RGB (0, 0, 255); /* BLUE */
|
|
|
|
for (i = 0; i < HEIGHT * WIDTH; i++)
|
|
rgba32[i] = rgba_col;
|
|
|
|
buf = gst_buffer_new_and_alloc (HEIGHT * WIDTH * 4);
|
|
gst_buffer_map (buf, &map, GST_MAP_READWRITE);
|
|
fail_unless_equals_int (map.size, sizeof (rgba32_img));
|
|
memcpy (map.data, rgba32_img, sizeof (rgba32_img));
|
|
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
return buf;
|
|
}
|
|
|
|
|
|
GST_START_TEST (test_chromakeying)
|
|
{
|
|
GstElement *alpha;
|
|
GstBuffer *inbuffer;
|
|
GstBuffer *outbuffer;
|
|
GstCaps *incaps;
|
|
guint8 *ayuv;
|
|
guint outlength;
|
|
GstMapInfo map;
|
|
int i;
|
|
|
|
incaps = create_caps_rgba32 ();
|
|
|
|
alpha = setup_alpha ();
|
|
|
|
g_object_set (alpha, "method", 1, NULL); /* Chroma-keying GREEN */
|
|
|
|
fail_unless_equals_int (gst_element_set_state (alpha, GST_STATE_PLAYING),
|
|
GST_STATE_CHANGE_SUCCESS);
|
|
|
|
gst_check_setup_events (srcpad, alpha, incaps, GST_FORMAT_TIME);
|
|
|
|
inbuffer = create_buffer_rgba32 (FILL_GREEN);
|
|
GST_DEBUG ("Created buffer of %" G_GSIZE_FORMAT " bytes",
|
|
gst_buffer_get_size (inbuffer));
|
|
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
|
|
|
|
fail_unless_equals_int (gst_pad_push (srcpad, inbuffer), GST_FLOW_OK);
|
|
|
|
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 chroma keying GREEN */
|
|
for (i = 0; i < HEIGHT * WIDTH; i += 4)
|
|
fail_unless_equals_int (ayuv[i], 0x00);
|
|
|
|
gst_buffer_unmap (outbuffer, &map);
|
|
|
|
buffers = g_list_remove (buffers, outbuffer);
|
|
gst_buffer_unref (outbuffer);
|
|
|
|
fail_unless_equals_int (gst_element_set_state (alpha, GST_STATE_NULL),
|
|
GST_STATE_CHANGE_SUCCESS);
|
|
|
|
/* cleanup */
|
|
cleanup_alpha (alpha);
|
|
ASSERT_CAPS_REFCOUNT (incaps, "incaps", 1);
|
|
gst_caps_unref (incaps);
|
|
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
|
|
|
|
GST_START_TEST (test_alpha)
|
|
{
|
|
GstElement *alpha;
|
|
GstBuffer *inbuffer;
|
|
GstBuffer *outbuffer;
|
|
GstCaps *incaps;
|
|
guint8 *ayuv;
|
|
guint outlength;
|
|
GstMapInfo map;
|
|
int i;
|
|
|
|
incaps = create_caps_rgba32 ();
|
|
|
|
alpha = setup_alpha ();
|
|
|
|
g_object_set (alpha, "alpha", 0.5, NULL); /* Alpha value 0.5 */
|
|
|
|
fail_unless_equals_int (gst_element_set_state (alpha, GST_STATE_PLAYING),
|
|
GST_STATE_CHANGE_SUCCESS);
|
|
|
|
gst_check_setup_events (srcpad, alpha, incaps, GST_FORMAT_TIME);
|
|
|
|
inbuffer = create_buffer_rgba32 (FILL_BLUE);
|
|
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 (srcpad, 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;
|
|
|
|
for (i = 0; i < HEIGHT * WIDTH; i += 4)
|
|
fail_unless_equals_int (ayuv[i], 0x7F);
|
|
|
|
gst_buffer_unmap (outbuffer, &map);
|
|
|
|
buffers = g_list_remove (buffers, outbuffer);
|
|
gst_buffer_unref (outbuffer);
|
|
|
|
fail_unless_equals_int (gst_element_set_state (alpha, GST_STATE_NULL),
|
|
GST_STATE_CHANGE_SUCCESS);
|
|
|
|
/* cleanup */
|
|
GST_DEBUG ("cleanup alpha");
|
|
cleanup_alpha (alpha);
|
|
GST_DEBUG ("cleanup, unref incaps");
|
|
ASSERT_CAPS_REFCOUNT (incaps, "incaps", 1);
|
|
gst_caps_unref (incaps);
|
|
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
|
|
static Suite *
|
|
alpha_suite (void)
|
|
{
|
|
Suite *s = suite_create ("alpha");
|
|
TCase *tc_chain = tcase_create ("general");
|
|
|
|
suite_add_tcase (s, tc_chain);
|
|
tcase_add_test (tc_chain, test_alpha);
|
|
tcase_add_test (tc_chain, test_chromakeying);
|
|
|
|
return s;
|
|
}
|
|
|
|
GST_CHECK_MAIN (alpha);
|