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tests: add test suite for alpha
Added test suite for alpha element with test cases 1. alpha 2. chroma keying https://bugzilla.gnome.org/show_bug.cgi?id=747595
This commit is contained in:
Ravi Kiran K N
Tim-Philipp Müller
parent
54c444d61d
commit
a833084320
3 changed files with 270 additions and 1 deletions
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@ -37,7 +37,9 @@ clean-local: clean-local-check
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distclean-local: distclean-local-orc
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if USE_PLUGIN_ALPHA
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check_alpha = elements/alphacolor
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check_alpha = \
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elements/alphacolor \
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elements/alpha
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else
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check_alpha =
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endif
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@ -472,6 +474,7 @@ elements_spectrum_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
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elements_spectrum_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_API_VERSION) $(LDADD)
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elements_alphacolor_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
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elements_alpha_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
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elements_deinterlace_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
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elements_deinterlace_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) $(LDADD)
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1
tests/check/elements/.gitignore
vendored
1
tests/check/elements/.gitignore
vendored
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@ -1,6 +1,7 @@
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.dirstamp
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aacparse
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ac3parse
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alpha
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alphacolor
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amrparse
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apev2mux
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265
tests/check/elements/alpha.c
Normal file
265
tests/check/elements/alpha.c
Normal file
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@ -0,0 +1,265 @@
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/* GStreamer unit test for the alpha element
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*
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* Copyright (C) 2007 Ravi Kiran K N <ravi.kiran@samsung.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <gst/check/gstcheck.h>
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#include <gst/video/video.h>
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GstPad *srcpad, *sinkpad;
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static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("AYUV"))
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);
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ AYUV, "
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"ARGB, BGRA, ABGR, RGBA, Y444, xRGB, BGRx, xBGR, "
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"RGBx, RGB, BGR, Y42B, YUY2, YVYU, UYVY, I420, YV12, Y41B } "))
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);
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typedef enum
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{
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FILL_GREEN,
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FILL_BLUE
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}
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FillColor;
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static GstElement *
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setup_alpha (void)
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{
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GstElement *alpha;
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alpha = gst_check_setup_element ("alpha");
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srcpad = gst_check_setup_src_pad (alpha, &srctemplate);
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sinkpad = gst_check_setup_sink_pad (alpha, &sinktemplate);
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gst_pad_set_active (srcpad, TRUE);
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gst_pad_set_active (sinkpad, TRUE);
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return alpha;
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}
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static void
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cleanup_alpha (GstElement * alpha)
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{
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gst_pad_set_active (srcpad, FALSE);
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gst_pad_set_active (sinkpad, FALSE);
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gst_check_teardown_src_pad (alpha);
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gst_check_teardown_sink_pad (alpha);
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gst_check_teardown_element (alpha);
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}
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#define WIDTH 3
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#define HEIGHT 4
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static GstCaps *
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create_caps_rgba32 (void)
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{
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GstCaps *caps;
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caps = gst_caps_new_simple ("video/x-raw",
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"width", G_TYPE_INT, WIDTH,
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"height", G_TYPE_INT, HEIGHT,
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"framerate", GST_TYPE_FRACTION, 0, 1,
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"format", G_TYPE_STRING, "RGBA", NULL);
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return caps;
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}
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static GstBuffer *
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create_buffer_rgba32 (FillColor color)
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{
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guint8 rgba32_img[HEIGHT * WIDTH * 4];
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guint32 *rgba32 = (guint32 *) rgba32_img;
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GstBuffer *buf;
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GstMapInfo map;
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guint32 rgba_col;
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int i;
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if (color == FILL_GREEN)
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rgba_col = 0xff00ff00; /* GREEN */
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else
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rgba_col = 0xffff0000; /* BLUE */
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for (i = 0; i < HEIGHT * WIDTH; i++)
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rgba32[i] = rgba_col;
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buf = gst_buffer_new_and_alloc (HEIGHT * WIDTH * 4);
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gst_buffer_map (buf, &map, GST_MAP_READWRITE);
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fail_unless_equals_int (map.size, sizeof (rgba32_img));
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memcpy (map.data, rgba32_img, sizeof (rgba32_img));
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gst_buffer_unmap (buf, &map);
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return buf;
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}
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GST_START_TEST (test_chromakeying)
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{
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GstElement *alpha;
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GstBuffer *inbuffer;
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GstBuffer *outbuffer;
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GstCaps *incaps;
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guint8 *ayuv;
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guint outlength;
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GstMapInfo map;
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int i;
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incaps = create_caps_rgba32 ();
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alpha = setup_alpha ();
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g_object_set (alpha, "method", 1, NULL); /* Chroma-keying GREEN */
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fail_unless_equals_int (gst_element_set_state (alpha, GST_STATE_PLAYING),
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GST_STATE_CHANGE_SUCCESS);
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gst_check_setup_events (srcpad, alpha, incaps, GST_FORMAT_TIME);
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inbuffer = create_buffer_rgba32 (FILL_GREEN);
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GST_DEBUG ("Created buffer of %" G_GSIZE_FORMAT " bytes",
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gst_buffer_get_size (inbuffer));
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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fail_unless_equals_int (gst_pad_push (srcpad, inbuffer), GST_FLOW_OK);
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fail_unless (g_list_length (buffers) == 1);
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outbuffer = (GstBuffer *) buffers->data;
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fail_if (outbuffer == NULL);
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fail_unless (GST_IS_BUFFER (outbuffer));
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ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
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outlength = WIDTH * HEIGHT * 4; /* output is AYUV */
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gst_buffer_map (outbuffer, &map, GST_MAP_READ);
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fail_unless_equals_int (map.size, outlength);
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ayuv = map.data;
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/* check chroma keying GREEN */
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for (i = 0; i < HEIGHT * WIDTH; i += 4)
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fail_unless_equals_int (ayuv[i], 0x00);
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gst_buffer_unmap (outbuffer, &map);
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buffers = g_list_remove (buffers, outbuffer);
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gst_buffer_unref (outbuffer);
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fail_unless_equals_int (gst_element_set_state (alpha, GST_STATE_NULL),
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GST_STATE_CHANGE_SUCCESS);
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/* cleanup */
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cleanup_alpha (alpha);
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ASSERT_CAPS_REFCOUNT (incaps, "incaps", 1);
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gst_caps_unref (incaps);
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}
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GST_END_TEST;
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GST_START_TEST (test_alpha)
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{
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GstElement *alpha;
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GstBuffer *inbuffer;
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GstBuffer *outbuffer;
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GstCaps *incaps;
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guint8 *ayuv;
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guint outlength;
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GstMapInfo map;
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int i;
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incaps = create_caps_rgba32 ();
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alpha = setup_alpha ();
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g_object_set (alpha, "alpha", 0.5, NULL); /* Alpha value 0.5 */
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fail_unless_equals_int (gst_element_set_state (alpha, GST_STATE_PLAYING),
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GST_STATE_CHANGE_SUCCESS);
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gst_check_setup_events (srcpad, alpha, incaps, GST_FORMAT_TIME);
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inbuffer = create_buffer_rgba32 (FILL_BLUE);
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GST_DEBUG ("Created buffer of %" G_GSIZE_FORMAT " bytes",
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gst_buffer_get_size (inbuffer));
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away reference */
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GST_DEBUG ("push it");
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fail_unless_equals_int (gst_pad_push (srcpad, inbuffer), GST_FLOW_OK);
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GST_DEBUG ("pushed it");
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/* ... and puts a new buffer on the global list */
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fail_unless (g_list_length (buffers) == 1);
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outbuffer = (GstBuffer *) buffers->data;
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fail_if (outbuffer == NULL);
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fail_unless (GST_IS_BUFFER (outbuffer));
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ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
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outlength = WIDTH * HEIGHT * 4; /* output is AYUV */
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gst_buffer_map (outbuffer, &map, GST_MAP_READ);
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fail_unless_equals_int (map.size, outlength);
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ayuv = map.data;
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for (i = 0; i < HEIGHT * WIDTH; i += 4)
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fail_unless_equals_int (ayuv[i], 0x7F);
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gst_buffer_unmap (outbuffer, &map);
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buffers = g_list_remove (buffers, outbuffer);
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gst_buffer_unref (outbuffer);
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fail_unless_equals_int (gst_element_set_state (alpha, GST_STATE_NULL),
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GST_STATE_CHANGE_SUCCESS);
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/* cleanup */
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GST_DEBUG ("cleanup alpha");
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cleanup_alpha (alpha);
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GST_DEBUG ("cleanup, unref incaps");
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ASSERT_CAPS_REFCOUNT (incaps, "incaps", 1);
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gst_caps_unref (incaps);
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}
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GST_END_TEST;
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static Suite *
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alpha_suite (void)
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{
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Suite *s = suite_create ("alpha");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_alpha);
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tcase_add_test (tc_chain, test_chromakeying);
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return s;
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}
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GST_CHECK_MAIN (alpha);
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