| /* 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); |