/* GStreamer unit test for the alphacolor element * * Copyright (C) 2007 Tim-Philipp Müller * * 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 #include /* 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);