1 /* GStreamer

     2  *

     3  * unit test for videotestsrc

     4  *

     5  * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>

     6  * Copyright (C) <2006> Tim-Philipp Müller <tim centricular net>

     7  *

     8  * This library is free software; you can redistribute it and/or

     9  * modify it under the terms of the GNU Library General Public

    10  * License as published by the Free Software Foundation; either

    11  * version 2 of the License, or (at your option) any later version.

    12  *

    13  * This library is distributed in the hope that it will be useful,

    14  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    16  * Library General Public License for more details.

    17  *

    18  * You should have received a copy of the GNU Library General Public

    19  * License along with this library; if not, write to the

    20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    21  * Boston, MA 02111-1307, USA.

    22  */

    23 

    24 #ifdef HAVE_CONFIG_H

    25 # include <config.h>

    26 #endif

    27 

    28 #ifdef HAVE_VALGRIND

    29 # include <valgrind/valgrind.h>

    30 #endif

    31 

    32 #include <unistd.h>

    33 

    34 #include <gst/check/gstcheck.h>

    35 

    36 /* For ease of programming we use globals to keep refs for our floating

    37  * src and sink pads we create; otherwise we always have to do get_pad,

    38  * get_peer, and then remove references in every test function */

    39 static GstPad *mysinkpad;

    40 

    41 

    42 #define CAPS_TEMPLATE_STRING            \

    43     "video/x-raw-yuv, "                 \

    44     "format = (fourcc) Y422, "          \

    45     "width = (int) [ 1,  MAX ], "       \

    46     "height = (int) [ 1,  MAX ], "      \

    47     "framerate = (fraction) [ 0/1, MAX ]"

    48 

    49 static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",

    50     GST_PAD_SINK,

    51     GST_PAD_ALWAYS,

    52     GST_STATIC_CAPS (CAPS_TEMPLATE_STRING)

    53     );

    54 

    55 static GstElement *

    56 setup_videotestsrc (void)

    57 {

    58   GstElement *videotestsrc;

    59 

    60   GST_DEBUG ("setup_videotestsrc");

    61   videotestsrc = gst_check_setup_element ("videotestsrc");

    62   mysinkpad = gst_check_setup_sink_pad (videotestsrc, &sinktemplate, NULL);

    63   gst_pad_set_active (mysinkpad, TRUE);

    64 

    65   return videotestsrc;

    66 }

    67 

    68 static void

    69 cleanup_videotestsrc (GstElement * videotestsrc)

    70 {

    71   GST_DEBUG ("cleanup_videotestsrc");

    72 

    73   g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);

    74   g_list_free (buffers);

    75   buffers = NULL;

    76 

    77   gst_pad_set_active (mysinkpad, FALSE);

    78   gst_check_teardown_sink_pad (videotestsrc);

    79   gst_check_teardown_element (videotestsrc);

    80 }

    81 

    82 GST_START_TEST (test_all_patterns)

    83 {

    84   GstElement *videotestsrc;

    85   GObjectClass *oclass;

    86   GParamSpec *property;

    87   GEnumValue *values;

    88   guint j = 0;

    89 

    90   videotestsrc = setup_videotestsrc ();

    91   oclass = G_OBJECT_GET_CLASS (videotestsrc);

    92   property = g_object_class_find_property (oclass, "pattern");

    93   fail_unless (G_IS_PARAM_SPEC_ENUM (property));

    94   values = G_ENUM_CLASS (g_type_class_ref (property->value_type))->values;

    95 

    96 

    97   while (values[j].value_name) {

    98     GST_DEBUG_OBJECT (videotestsrc, "testing pattern %s", values[j].value_name);

    99 

   100     fail_unless (gst_element_set_state (videotestsrc,

   101             GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,

   102         "could not set to playing");

   103 

   104     g_mutex_lock (check_mutex);

   105     while (g_list_length (buffers) < 10) {

   106       GST_DEBUG_OBJECT (videotestsrc, "Waiting for more buffers");

   107       g_cond_wait (check_cond, check_mutex);

   108     }

   109     g_mutex_unlock (check_mutex);

   110 

   111 

   112     gst_element_set_state (videotestsrc, GST_STATE_READY);

   113 

   114     g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);

   115     g_list_free (buffers);

   116     buffers = NULL;

   117     ++j;

   118   }

   119 

   120   /* cleanup */

   121   cleanup_videotestsrc (videotestsrc);

   122 }

   123 

   124 GST_END_TEST;

   125 

   126 static guint32

   127 right_shift_colour (guint32 mask, guint32 pixel)

   128 {

   129   if (mask == 0)

   130     return 0;

   131 

   132   pixel = pixel & mask;

   133   while ((mask & 0x01) == 0) {

   134     mask = mask >> 1;

   135     pixel = pixel >> 1;

   136   }

   137 

   138   return pixel;

   139 }

   140 

   141 static guint8

   142 fix_expected_colour (guint32 col_mask, guint8 col_expected)

   143 {

   144   guint32 mask;

   145   gint last = g_bit_nth_msf (col_mask, -1);

   146   gint first = g_bit_nth_lsf (col_mask, -1);

   147 

   148   mask = 1 << (last - first + 1);

   149   mask -= 1;

   150 

   151   g_assert (col_expected == 0x00 || col_expected == 0xff);

   152 

   153   /* this only works because we only check for all-bits-set or no-bits-set */

   154   return col_expected & mask;

   155 }

   156 

   157 static void

   158 check_rgb_buf (const guint8 * pixels, guint32 r_mask, guint32 g_mask,

   159     guint32 b_mask, guint32 a_mask, guint8 r_expected, guint8 g_expected,

   160     guint8 b_expected, guint endianness, guint bpp, guint depth)

   161 {

   162   guint32 pixel, red, green, blue, alpha;

   163 

   164   switch (bpp) {

   165     case 32:{

   166       if (endianness == G_LITTLE_ENDIAN)

   167         pixel = GST_READ_UINT32_LE (pixels);

   168       else

   169         pixel = GST_READ_UINT32_BE (pixels);

   170       break;

   171     }

   172     case 24:{

   173       if (endianness == G_BIG_ENDIAN) {

   174         pixel = (GST_READ_UINT8 (pixels) << 16) |

   175             (GST_READ_UINT8 (pixels + 1) << 8) |

   176             (GST_READ_UINT8 (pixels + 2) << 0);

   177       } else {

   178         pixel = (GST_READ_UINT8 (pixels + 2) << 16) |

   179             (GST_READ_UINT8 (pixels + 1) << 8) |

   180             (GST_READ_UINT8 (pixels + 0) << 0);

   181       }

   182       break;

   183     }

   184     case 16:{

   185       if (endianness == G_LITTLE_ENDIAN)

   186         pixel = GST_READ_UINT16_LE (pixels);

   187       else

   188         pixel = GST_READ_UINT16_BE (pixels);

   189       break;

   190     }

   191     default:

   192       g_return_if_reached ();

   193   }

   194 

   195   red = right_shift_colour (r_mask, pixel);

   196   green = right_shift_colour (g_mask, pixel);

   197   blue = right_shift_colour (b_mask, pixel);

   198   alpha = right_shift_colour (a_mask, pixel);

   199 

   200   /* can't enable this by default, valgrind will complain about accessing

   201    * uninitialised memory for the depth=24,bpp=32 formats ... */

   202   /* GST_LOG ("pixels: 0x%02x 0x%02x 0x%02x 0x%02x => pixel = 0x%08x",

   203      pixels[0], (guint) pixels[1], pixels[2], pixels[3], pixel); */

   204 

   205   /* fix up the mask (for rgb15/16) */

   206   if (bpp == 16) {

   207     r_expected = fix_expected_colour (r_mask, r_expected);

   208     g_expected = fix_expected_colour (g_mask, g_expected);

   209     b_expected = fix_expected_colour (b_mask, b_expected);

   210   }

   211 

   212   fail_unless (red == r_expected, "RED: expected 0x%02x, found 0x%02x",

   213       r_expected, red);

   214   fail_unless (green == g_expected, "GREEN: expected 0x%02x, found 0x%02x",

   215       g_expected, green);

   216   fail_unless (blue == b_expected, "BLUE: expected 0x%02x, found 0x%02x",

   217       b_expected, blue);

   218 

   219   fail_unless (a_mask == 0 || alpha != 0);      /* better than nothing */

   220 }

   221 

   222 static void

   223 got_buf_cb (GstElement * sink, GstBuffer * new_buf, GstPad * pad,

   224     GstBuffer ** p_old_buf)

   225 {

   226   gst_buffer_replace (p_old_buf, new_buf);

   227 }

   228 

   229 /* tests the positioning of pixels within the various RGB pixel layouts */

   230 GST_START_TEST (test_rgb_formats)

   231 {

   232   const struct

   233   {

   234     const gchar *pattern_name;

   235     gint pattern_enum;

   236     guint8 r_expected;

   237     guint8 g_expected;

   238     guint8 b_expected;

   239   } test_patterns[] = {

   240     {

   241     "white", 3, 0xff, 0xff, 0xff}, {

   242     "red", 4, 0xff, 0x00, 0x00}, {

   243     "green", 5, 0x00, 0xff, 0x00}, {

   244     "blue", 6, 0x00, 0x00, 0xff}, {

   245     "black", 2, 0x00, 0x00, 0x00}

   246   };

   247   const struct

   248   {

   249     const gchar *nick;

   250     guint bpp, depth;

   251     guint32 red_mask, green_mask, blue_mask, alpha_mask;

   252   } rgb_formats[] = {

   253     {

   254     "RGBA", 32, 32, 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff}, {

   255     "ARGB", 32, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000}, {

   256     "BGRA", 32, 32, 0x0000ff00, 0x00ff0000, 0xff000000, 0x000000ff}, {

   257     "ABGR", 32, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000}, {

   258     "RGBx", 32, 24, 0xff000000, 0x00ff0000, 0x0000ff00, 0x00000000}, {

   259     "xRGB", 32, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000}, {

   260     "BGRx", 32, 24, 0x0000ff00, 0x00ff0000, 0xff000000, 0x00000000}, {

   261     "xBGR", 32, 24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000}, {

   262     "RGB ", 24, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000}, {

   263     "BGR ", 24, 24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000}, {

   264     "RGB565", 16, 16, 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000}, {

   265     "xRGB1555", 16, 15, 0x00007c00, 0x000003e0, 0x0000001f, 0x0000000}

   266   };

   267   GstElement *pipeline, *src, *filter, *sink;

   268   const GstCaps *template_caps;

   269   GstBuffer *buf = NULL;

   270   GstPad *srcpad;

   271   gint p, i, e;

   272 

   273   /* test check function */

   274   fail_unless (right_shift_colour (0x00ff0000, 0x11223344) == 0x22);

   275 

   276   pipeline = gst_pipeline_new ("pipeline");

   277   src = gst_check_setup_element ("videotestsrc");

   278   filter = gst_check_setup_element ("capsfilter");

   279   sink = gst_check_setup_element ("fakesink");

   280 

   281   gst_bin_add_many (GST_BIN (pipeline), src, filter, sink, NULL);

   282 

   283   fail_unless (gst_element_link (src, filter));

   284   fail_unless (gst_element_link (filter, sink));

   285 

   286   srcpad = gst_element_get_pad (src, "src");

   287   template_caps = gst_pad_get_pad_template_caps (srcpad);

   288   gst_object_unref (srcpad);

   289 

   290   g_object_set (sink, "signal-handoffs", TRUE, NULL);

   291   g_signal_connect (sink, "preroll-handoff", G_CALLBACK (got_buf_cb), &buf);

   292 

   293   GST_LOG ("videotestsrc src template caps: %" GST_PTR_FORMAT, template_caps);

   294 

   295   for (i = 0; i < G_N_ELEMENTS (rgb_formats); ++i) {

   296     for (e = 0; e < 2; ++e) {

   297       guint endianness;

   298       GstCaps *caps;

   299 

   300       if (e == 0) {

   301         endianness = G_BYTE_ORDER;

   302       } else {

   303         endianness =

   304             (G_BYTE_ORDER == G_BIG_ENDIAN) ? G_LITTLE_ENDIAN : G_BIG_ENDIAN;

   305       }

   306 

   307       caps = gst_caps_new_simple ("video/x-raw-rgb",

   308           "bpp", G_TYPE_INT, rgb_formats[i].bpp,

   309           "depth", G_TYPE_INT, rgb_formats[i].depth,

   310           "red_mask", G_TYPE_INT, rgb_formats[i].red_mask,

   311           "green_mask", G_TYPE_INT, rgb_formats[i].green_mask,

   312           "blue_mask", G_TYPE_INT, rgb_formats[i].blue_mask,

   313           "width", G_TYPE_INT, 16, "height", G_TYPE_INT, 16,

   314           "endianness", G_TYPE_INT, endianness,

   315           "framerate", GST_TYPE_FRACTION, 1, 1, NULL);

   316 

   317       fail_unless (rgb_formats[i].alpha_mask == 0 || rgb_formats[i].bpp == 32);

   318 

   319       if (rgb_formats[i].alpha_mask != 0) {

   320         gst_structure_set (gst_caps_get_structure (caps, 0),

   321             "alpha_mask", G_TYPE_INT, rgb_formats[i].alpha_mask, NULL);

   322       }

   323 

   324       if (gst_caps_is_subset (caps, template_caps)) {

   325 

   326         /* caps are supported, let's run some tests then ... */

   327         for (p = 0; p < G_N_ELEMENTS (test_patterns); ++p) {

   328           GstStateChangeReturn state_ret;

   329 

   330           g_object_set (src, "pattern", test_patterns[p].pattern_enum, NULL);

   331 

   332           GST_INFO ("%5s %u/%u %08x %08x %08x %08x %u, pattern=%s",

   333               rgb_formats[i].nick, rgb_formats[i].bpp, rgb_formats[i].depth,

   334               rgb_formats[i].red_mask, rgb_formats[i].green_mask,

   335               rgb_formats[i].blue_mask, rgb_formats[i].alpha_mask, endianness,

   336               test_patterns[p].pattern_name);

   337 

   338           /* now get videotestsrc to produce a buffer with the given caps */

   339           g_object_set (filter, "caps", caps, NULL);

   340 

   341           state_ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);

   342           fail_unless (state_ret != GST_STATE_CHANGE_FAILURE,

   343               "pipeline _set_state() to PAUSED failed");

   344           state_ret = gst_element_get_state (pipeline, NULL, NULL, -1);

   345           fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS,

   346               "pipeline failed going to PAUSED state");

   347 

   348           state_ret = gst_element_set_state (pipeline, GST_STATE_NULL);

   349           fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS);

   350 

   351           fail_unless (buf != NULL);

   352 

   353           /* check buffer caps */

   354           {

   355             GstStructure *s;

   356             gint v;

   357 

   358             fail_unless (GST_BUFFER_CAPS (buf) != NULL);

   359 

   360             s = gst_caps_get_structure (GST_BUFFER_CAPS (buf), 0);

   361             fail_unless (gst_structure_get_int (s, "bpp", &v));

   362             fail_unless_equals_int (v, rgb_formats[i].bpp);

   363             fail_unless (gst_structure_get_int (s, "depth", &v));

   364             fail_unless_equals_int (v, rgb_formats[i].depth);

   365             fail_unless (gst_structure_get_int (s, "red_mask", &v));

   366             fail_unless_equals_int (v, rgb_formats[i].red_mask);

   367             fail_unless (gst_structure_get_int (s, "green_mask", &v));

   368             fail_unless_equals_int (v, rgb_formats[i].green_mask);

   369             fail_unless (gst_structure_get_int (s, "blue_mask", &v));

   370             fail_unless_equals_int (v, rgb_formats[i].blue_mask);

   371             /* there mustn't be an alpha_mask if there's no alpha component */

   372             if (rgb_formats[i].depth == 32) {

   373               fail_unless (gst_structure_get_int (s, "alpha_mask", &v));

   374               fail_unless_equals_int (v, rgb_formats[i].alpha_mask);

   375             } else {

   376               fail_unless (gst_structure_get_value (s, "alpha_mask") == NULL);

   377             }

   378           }

   379 

   380 

   381           /* now check the first pixel */

   382           check_rgb_buf (GST_BUFFER_DATA (buf), rgb_formats[i].red_mask,

   383               rgb_formats[i].green_mask, rgb_formats[i].blue_mask,

   384               rgb_formats[i].alpha_mask, test_patterns[p].r_expected,

   385               test_patterns[p].g_expected, test_patterns[p].b_expected,

   386               endianness, rgb_formats[i].bpp, rgb_formats[i].depth);

   387 

   388           gst_buffer_unref (buf);

   389           buf = NULL;

   390         }

   391 

   392       } else {

   393         GST_INFO ("videotestsrc doesn't support format %" GST_PTR_FORMAT, caps);

   394       }

   395 

   396       gst_caps_unref (caps);

   397     }

   398   }

   399 

   400   gst_object_unref (pipeline);

   401 }

   402 

   403 GST_END_TEST;

   404 

   405 

   406 /* FIXME: add tests for YUV formats */

   407 

   408 static Suite *

   409 videotestsrc_suite (void)

   410 {

   411   Suite *s = suite_create ("videotestsrc");

   412   TCase *tc_chain = tcase_create ("general");

   413 

   414   suite_add_tcase (s, tc_chain);

   415 

   416 #ifdef HAVE_VALGRIND

   417   if (RUNNING_ON_VALGRIND) {

   418     /* otherwise valgrind errors out when liboil probes CPU extensions

   419      * during which it causes SIGILLs etc. to be fired */

   420     g_setenv ("OIL_CPU_FLAGS", "0", 0);

   421     /* test_rgb_formats takes a bit longer, so increase timeout */

   422     tcase_set_timeout (tc_chain, 5 * 60);

   423   }

   424 #endif

   425 

   426   tcase_add_test (tc_chain, test_all_patterns);

   427   tcase_add_test (tc_chain, test_rgb_formats);

   428 

   429   return s;

   430 }

   431 

   432 int

   433 main (int argc, char **argv)

   434 {

   435   int nf;

   436 

   437   Suite *s = videotestsrc_suite ();

   438   SRunner *sr = srunner_create (s);

   439 

   440   gst_check_init (&argc, &argv);

   441 

   442   srunner_run_all (sr, CK_NORMAL);

   443   nf = srunner_ntests_failed (sr);

   444   srunner_free (sr);

   445 

   446   return nf;

   447 }