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288 lines
8.8 KiB
C
288 lines
8.8 KiB
C
/* GStreamer unit test for the alphacolor element
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*
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* Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
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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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/* For ease of programming we use globals to keep refs for our floating
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* src and sink pads we create; otherwise we always have to do get_pad,
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* get_peer, and then remove references in every test function */
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GstPad *mysrcpad, *mysinkpad;
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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 ("{ RGBA, RGB }"))
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);
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static GstElement *
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setup_alphacolor (void)
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{
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GstElement *alphacolor;
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alphacolor = gst_check_setup_element ("alphacolor");
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mysrcpad = gst_check_setup_src_pad (alphacolor, &srctemplate);
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mysinkpad = gst_check_setup_sink_pad (alphacolor, &sinktemplate);
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gst_pad_set_active (mysrcpad, TRUE);
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gst_pad_set_active (mysinkpad, TRUE);
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return alphacolor;
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}
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static void
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cleanup_alphacolor (GstElement * alphacolor)
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{
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GST_DEBUG ("cleaning up");
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gst_pad_set_active (mysrcpad, FALSE);
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gst_pad_set_active (mysinkpad, FALSE);
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gst_check_teardown_src_pad (alphacolor);
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gst_check_teardown_sink_pad (alphacolor);
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gst_check_teardown_element (alphacolor);
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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_rgb24 (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, 3,
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"height", G_TYPE_INT, 4,
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"framerate", GST_TYPE_FRACTION, 0, 1,
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"format", G_TYPE_STRING, "RGB", NULL);
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return caps;
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}
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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, 3,
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"height", G_TYPE_INT, 4,
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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_rgb24_3x4 (void)
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{
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/* stride is rounded up to multiple of 4, so 3 bytes padding for each row */
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const guint8 rgb24_3x4_img[HEIGHT * GST_ROUND_UP_4 (WIDTH * 3)] = {
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0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
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0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00,
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0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00
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};
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guint rowstride = GST_ROUND_UP_4 (WIDTH * 3);
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GstBuffer *buf;
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GstMapInfo info;
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buf = gst_buffer_new_and_alloc (HEIGHT * rowstride);
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gst_buffer_map (buf, &info, GST_MAP_READWRITE);
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fail_unless_equals_int (info.size, sizeof (rgb24_3x4_img));
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memcpy (info.data, rgb24_3x4_img, sizeof (rgb24_3x4_img));
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gst_buffer_unmap (buf, &info);
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return buf;
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}
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static GstBuffer *
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create_buffer_rgba32_3x4 (void)
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{
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/* stride is rounded up to multiple of 4, so 3 bytes padding for each row */
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/* should be: RED BLUE WHITE where 'nothing' is fully transparent
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* GREEN RED BLUE and all other colours are fully
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* NOTHING GREEN RED opaque.
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* BLACK NOTHING GREEN
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*/
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const guint8 rgba32_3x4_img[HEIGHT * WIDTH * 4] = {
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0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff,
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0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0xff,
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0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff
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};
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guint rowstride = WIDTH * 4;
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GstBuffer *buf;
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GstMapInfo map;
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buf = gst_buffer_new_and_alloc (HEIGHT * rowstride);
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gst_buffer_map (buf, &map, GST_MAP_READWRITE);
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fail_unless_equals_int (map.size, sizeof (rgba32_3x4_img));
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memcpy (map.data, rgba32_3x4_img, sizeof (rgba32_3x4_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_rgb24)
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{
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GstElement *alphacolor;
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GstBuffer *inbuffer;
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GstCaps *incaps;
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incaps = create_caps_rgb24 ();
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alphacolor = setup_alphacolor ();
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fail_unless_equals_int (gst_element_set_state (alphacolor, GST_STATE_PLAYING),
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GST_STATE_CHANGE_SUCCESS);
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gst_check_setup_events (mysrcpad, alphacolor, incaps, GST_FORMAT_TIME);
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inbuffer = create_buffer_rgb24_3x4 ();
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away reference; this should error out with a not-negotiated
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* error, alphacolor should only accept RGBA caps, not but plain RGB24 caps */
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GST_DEBUG ("push it");
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fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer),
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GST_FLOW_NOT_NEGOTIATED);
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GST_DEBUG ("pushed it");
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fail_unless (g_list_length (buffers) == 0);
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fail_unless_equals_int (gst_element_set_state (alphacolor, GST_STATE_NULL),
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GST_STATE_CHANGE_SUCCESS);
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/* cleanup */
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GST_DEBUG ("cleanup alphacolor");
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cleanup_alphacolor (alphacolor);
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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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/* these macros assume WIDTH and HEIGHT is fixed to what's defined above */
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#define fail_unless_ayuv_pixel_has_alpha(ayuv,x,y,a) \
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{ \
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guint8 *pixel; \
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pixel = ((guint8*)(ayuv) + ((WIDTH * 4) * (y)) + ((x) * 4)); \
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fail_unless_equals_int (pixel[0], a); \
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}
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GST_START_TEST (test_rgba32)
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{
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GstElement *alphacolor;
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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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incaps = create_caps_rgba32 ();
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alphacolor = setup_alphacolor ();
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fail_unless_equals_int (gst_element_set_state (alphacolor, GST_STATE_PLAYING),
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GST_STATE_CHANGE_SUCCESS);
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gst_check_setup_events (mysrcpad, alphacolor, incaps, GST_FORMAT_TIME);
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inbuffer = create_buffer_rgba32_3x4 ();
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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 (mysrcpad, 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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/* check alpha values (0x00 = totally transparent, 0xff = totally opaque) */
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fail_unless_ayuv_pixel_has_alpha (ayuv, 0, 0, 0xff);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 1, 0, 0xff);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 2, 0, 0xff);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 0, 1, 0xff);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 1, 1, 0xff);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 2, 1, 0xff);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 0, 2, 0x00);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 1, 2, 0xff);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 2, 2, 0xff);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 0, 3, 0xff);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 1, 3, 0x00);
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fail_unless_ayuv_pixel_has_alpha (ayuv, 2, 3, 0xff);
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/* we don't check the YUV data, because apparently results differ slightly
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* depending on whether we run in valgrind or not */
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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 (alphacolor, GST_STATE_NULL),
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GST_STATE_CHANGE_SUCCESS);
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/* cleanup */
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GST_DEBUG ("cleanup alphacolor");
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cleanup_alphacolor (alphacolor);
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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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alphacolor_suite (void)
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{
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Suite *s = suite_create ("alphacolor");
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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_rgb24);
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tcase_add_test (tc_chain, test_rgba32);
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return s;
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}
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GST_CHECK_MAIN (alphacolor);
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