1 /* GStreamer

     2  *

     3  * unit test for ffmpegcolorspace

     4  *

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

     6  *

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

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

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

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

    11  *

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

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

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

    15  * Library General Public License for more details.

    16  *

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

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

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

    20  * Boston, MA 02111-1307, USA.

    21  */

    22 

    23 #ifdef HAVE_CONFIG_H

    24 # include <config.h>

    25 #endif

    26 

    27 #ifdef HAVE_VALGRIND

    28 # include <valgrind/valgrind.h>

    29 #endif

    30 

    31 #include <unistd.h>

    32 

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

    34 

    35 #include <gst/gst_global.h>

    36 

    37 #include <unistd.h>

    38 

    39 #include <gstcheck.h>

    40 

    41 #define LOG_FILE "c:\\logs\\ffmpegcolorspace_logs.txt" 

    42 #include "std_log_result.h" 

    43 #define LOG_FILENAME_LINE __FILE__, __LINE__

    44 

    45 void create_xml(int result)

    46 {

    47 

    48     if(result)

    49     {

    50         assert_failed = 1;

    51     } 

    52 

    53     testResultXml(xmlfile);

    54     close_log_file();

    55 

    56     if(result)

    57     {

    58         exit (-1);

    59     }    

    60 

    61 }

    62 

    63 typedef struct _RGBFormat

    64 {

    65   const gchar *nick;

    66   guint bpp, depth;

    67   guint32 red_mask, green_mask, blue_mask, alpha_mask;

    68   guint endianness;

    69 } RGBFormat;

    70 

    71 typedef struct _RGBConversion

    72 {

    73   RGBFormat from_fmt;

    74   RGBFormat to_fmt;

    75   GstCaps *from_caps;

    76   GstCaps *to_caps;

    77 } RGBConversion;

    78 

    79 static GstCaps *

    80 rgb_format_to_caps (RGBFormat * fmt)

    81 {

    82   GstCaps *caps;

    83 

    84   g_assert (fmt != NULL);

    85   g_assert (fmt->endianness != 0);

    86 

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

    88       "bpp", G_TYPE_INT, fmt->bpp,

    89       "depth", G_TYPE_INT, fmt->depth,

    90       "red_mask", G_TYPE_INT, fmt->red_mask,

    91       "green_mask", G_TYPE_INT, fmt->green_mask,

    92       "blue_mask", G_TYPE_INT, fmt->blue_mask,

    93       "width", G_TYPE_INT, 16, "height", G_TYPE_INT, 16,

    94       "endianness", G_TYPE_INT, fmt->endianness,

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

    96 

    97   fail_unless (fmt->alpha_mask == 0 || fmt->bpp == 32);

    98 

    99   if (fmt->alpha_mask != 0) {

   100     gst_structure_set (gst_caps_get_structure (caps, 0),

   101         "alpha_mask", G_TYPE_INT, fmt->alpha_mask, NULL);

   102   }

   103 

   104   return caps;

   105 }

   106 

   107 static GList *

   108 create_rgb_conversions (void)

   109 {

   110   const RGBFormat rgb_formats[] = {

   111     {

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

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

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

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

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

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

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

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

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

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

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

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

   124   };

   125   const struct

   126   {

   127     guint from_endianness, to_endianness;

   128   } end_arr[4] = {

   129     {

   130     G_LITTLE_ENDIAN, G_LITTLE_ENDIAN}, {

   131     G_BIG_ENDIAN, G_LITTLE_ENDIAN}, {

   132     G_LITTLE_ENDIAN, G_BIG_ENDIAN}, {

   133     G_BIG_ENDIAN, G_BIG_ENDIAN}

   134   };

   135   GList *conversions = NULL;

   136   guint from_fmt, to_fmt;

   137 

   138   for (from_fmt = 0; from_fmt < G_N_ELEMENTS (rgb_formats); ++from_fmt) {

   139     for (to_fmt = 0; to_fmt < G_N_ELEMENTS (rgb_formats); ++to_fmt) {

   140       guint i;

   141 

   142       for (i = 0; i < 4; ++i) {

   143         RGBConversion *conversion;

   144 

   145         conversion = g_new0 (RGBConversion, 1);

   146         conversion->from_fmt = rgb_formats[from_fmt];

   147         conversion->to_fmt = rgb_formats[to_fmt];

   148         conversion->from_fmt.endianness = end_arr[i].from_endianness;

   149         conversion->to_fmt.endianness = end_arr[i].to_endianness;

   150         conversion->from_caps = rgb_format_to_caps (&conversion->from_fmt);

   151         conversion->to_caps = rgb_format_to_caps (&conversion->to_fmt);

   152         conversions = g_list_prepend (conversions, conversion);

   153       }

   154     }

   155   }

   156 

   157   return g_list_reverse (conversions);

   158 }

   159 

   160 static void

   161 rgb_conversion_free (RGBConversion * conv)

   162 {

   163   gst_caps_unref (conv->from_caps);

   164   gst_caps_unref (conv->to_caps);

   165   memset (conv, 0x99, sizeof (RGBConversion));

   166   g_free (conv);

   167 }

   168 

   169 static guint32

   170 right_shift_colour (guint32 mask, guint32 pixel)

   171 {

   172   if (mask == 0)

   173     return 0;

   174 

   175   pixel = pixel & mask;

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

   177     mask = mask >> 1;

   178     pixel = pixel >> 1;

   179   }

   180 

   181   return pixel;

   182 }

   183 

   184 static guint8

   185 fix_expected_colour (guint32 col_mask, guint8 col_expected)

   186 {

   187   guint32 mask;

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

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

   190 

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

   192   mask -= 1;

   193 

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

   195 

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

   197   return col_expected & mask;

   198 }

   199 

   200 static void

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

   202     guint32 b_mask, guint32 a_mask, guint8 r_expected, guint8 g_expected,

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

   204 {

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

   206 

   207   switch (bpp) {

   208     case 32:{

   209       if (endianness == G_LITTLE_ENDIAN)

   210         pixel = GST_READ_UINT32_LE (pixels);

   211       else

   212         pixel = GST_READ_UINT32_BE (pixels);

   213       break;

   214     }

   215     case 24:{

   216       if (endianness == G_BIG_ENDIAN) {

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

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

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

   220       } else {

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

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

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

   224       }

   225       break;

   226     }

   227     case 16:{

   228       if (endianness == G_LITTLE_ENDIAN)

   229         pixel = GST_READ_UINT16_LE (pixels);

   230       else

   231         pixel = GST_READ_UINT16_BE (pixels);

   232       break;

   233     }

   234     default:

   235       g_return_if_reached ();

   236   }

   237 

   238   red = right_shift_colour (r_mask, pixel);

   239   green = right_shift_colour (g_mask, pixel);

   240   blue = right_shift_colour (b_mask, pixel);

   241   alpha = right_shift_colour (a_mask, pixel);

   242 

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

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

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

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

   247 

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

   249   if (bpp == 16) {

   250     r_expected = fix_expected_colour (r_mask, r_expected);

   251     g_expected = fix_expected_colour (g_mask, g_expected);

   252     b_expected = fix_expected_colour (b_mask, b_expected);

   253   }

   254 

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

   256       "Bytes: 0x%02x 0x%02x 0x%02x 0x%02x    Pixel: 0x%08x", r_expected, red,

   257       pixels[0], pixels[1], pixels[2], pixels[3], pixel);

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

   259       "Bytes: 0x%02x 0x%02x 0x%02x 0x%02x    Pixel: 0x%08x", g_expected, green,

   260       pixels[0], pixels[1], pixels[2], pixels[3], pixel);

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

   262       "Bytes: 0x%02x 0x%02x 0x%02x 0x%02x    Pixel: 0x%08x", b_expected, blue,

   263       pixels[0], pixels[1], pixels[2], pixels[3], pixel);

   264 

   265 //  FIXME: fix alpha check

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

   267 }

   268 

   269 static void

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

   271     GstBuffer ** p_old_buf)

   272 {

   273   gst_buffer_replace (p_old_buf, new_buf);

   274 }

   275 

   276 /* Note: lots of this code here is also in the videotestsrc.c unit test */

   277 void  test_rgb_to_rgb()

   278 {

   279   const struct

   280   {

   281     const gchar *pattern_name;

   282     gint pattern_enum;

   283     guint8 r_expected;

   284     guint8 g_expected;

   285     guint8 b_expected;

   286   } test_patterns[] = {

   287     {

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

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

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

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

   292     "black", 2, 0x00, 0x00, 0x00}

   293   };

   294   GstElement *pipeline, *src, *filter1, *csp, *filter2, *sink;

   295   const GstCaps *template_caps;

   296   GstBuffer *buf = NULL;

   297   GstPad *srcpad;

   298   GList *conversions, *l;

   299   gint p;

   300 

   301   /* test check function */

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

   303 

   304   pipeline = gst_pipeline_new ("pipeline");

   305   src = gst_check_setup_element ("videotestsrc");

   306   filter1 = gst_check_setup_element ("capsfilter");

   307   csp = gst_check_setup_element ("ffmpegcolorspace");

   308   filter2 = gst_element_factory_make ("capsfilter", "to_filter");

   309   sink = gst_check_setup_element ("fakesink");

   310 

   311   gst_bin_add_many (GST_BIN (pipeline), src, filter1, csp, filter2, sink, NULL);

   312 

   313   fail_unless (gst_element_link (src, filter1));

   314   fail_unless (gst_element_link (filter1, csp));

   315   fail_unless (gst_element_link (csp, filter2));

   316   fail_unless (gst_element_link (filter2, sink));

   317 

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

   319   template_caps = gst_pad_get_pad_template_caps (srcpad);

   320   gst_object_unref (srcpad);

   321 

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

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

   324 

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

   326 

   327   conversions = create_rgb_conversions ();

   328 

   329   for (l = conversions; l != NULL; l = l->next) {

   330     RGBConversion *conv = (RGBConversion *) l->data;

   331 

   332     /* does videotestsrc support the from_caps? */

   333     if (!gst_caps_is_subset (conv->from_caps, template_caps)) {

   334       GST_DEBUG ("videotestsrc doesn't support from_caps %" GST_PTR_FORMAT,

   335           conv->from_caps);

   336       continue;

   337     }

   338 

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

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

   341       GstStateChangeReturn state_ret;

   342       RGBFormat *from = &conv->from_fmt;

   343       RGBFormat *to = &conv->to_fmt;

   344 

   345       /* trick compiler into thinking from is used, might throw warning

   346        * otherwise if the debugging system is disabled */

   347       fail_unless (from != NULL);

   348 

   349       gst_element_set_state (pipeline, GST_STATE_NULL);

   350 

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

   352 

   353       GST_INFO ("%5s %u/%u %08x %08x %08x %08x %u => "

   354           "%5s %u/%u %08x %08x %08x %08x %u, pattern=%s",

   355           from->nick, from->bpp, from->depth, from->red_mask,

   356           from->green_mask, from->blue_mask, from->alpha_mask,

   357           from->endianness, to->nick, to->bpp, to->depth, to->red_mask,

   358           to->green_mask, to->blue_mask, to->alpha_mask, to->endianness,

   359           test_patterns[p].pattern_name);

   360 

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

   362       g_object_set (filter1, "caps", conv->from_caps, NULL);

   363 

   364       /* ... and force ffmpegcolorspace to convert to our target caps */

   365       g_object_set (filter2, "caps", conv->to_caps, NULL);

   366 

   367       state_ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);

   368       if (state_ret == GST_STATE_CHANGE_FAILURE) {

   369         GstMessage *msg;

   370         GError *err = NULL;

   371 

   372         msg = gst_bus_poll (GST_ELEMENT_BUS (pipeline), GST_MESSAGE_ERROR, 0);

   373         fail_if (msg == NULL, "expected ERROR message on the bus");

   374         fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);

   375         gst_message_parse_error (msg, &err, NULL);

   376         fail_unless (err != NULL);

   377         if (msg->src == GST_OBJECT_CAST (src) &&

   378             err->code == GST_STREAM_ERROR_FORMAT) {

   379           GST_DEBUG ("ffmpegcolorspace does not support this conversion");

   380           gst_message_unref (msg);

   381           g_error_free (err);

   382           continue;

   383         }

   384         fail_unless (state_ret != GST_STATE_CHANGE_FAILURE,

   385             "pipeline _set_state() to PAUSED failed: %s", err->message);

   386       }

   387 

   388       state_ret = gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);

   389      fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS,

   390           "pipeline failed going to PAUSED state");

   391 

   392       state_ret = gst_element_set_state (pipeline, GST_STATE_NULL);

   393      fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS);

   394 

   395       fail_unless (buf != NULL);

   396 

   397       /* check buffer caps */

   398       {

   399         GstStructure *s;

   400         gint v;

   401 

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

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

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

   405         fail_unless_equals_int (v, to->bpp);

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

   407         fail_unless_equals_int (v, to->depth);

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

   409         fail_unless_equals_int (v, to->red_mask);

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

   411         fail_unless_equals_int (v, to->green_mask);

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

   413         fail_unless_equals_int (v, to->blue_mask);

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

   415         if (to->depth == 32) {

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

   417           fail_unless_equals_int (v, to->alpha_mask);

   418         } else {

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

   420         }

   421       }

   422 

   423       /* now check the top-left pixel */

   424       check_rgb_buf (GST_BUFFER_DATA (buf), to->red_mask,

   425           to->green_mask, to->blue_mask, to->alpha_mask,

   426           test_patterns[p].r_expected, test_patterns[p].g_expected,

   427           test_patterns[p].b_expected, to->endianness, to->bpp, to->depth);

   428 

   429       gst_buffer_unref (buf);

   430       buf = NULL;

   431     }

   432   }

   433 

   434   g_list_foreach (conversions, (GFunc) rgb_conversion_free, NULL);

   435   g_list_free (conversions);

   436 

   437   gst_element_set_state (pipeline, GST_STATE_NULL);

   438   gst_object_unref (pipeline);

   439   std_log(LOG_FILENAME_LINE, "Test Successful");

   440   create_xml(0);

   441 }

   442 

   443 //GST_END_TEST;

   444 

   445 /*static Suite *

   446 ffmpegcolorspace_suite (void)

   447 {

   448   Suite *s = suite_create ("ffmpegcolorspace");

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

   450 

   451   suite_add_tcase (s, tc_chain);

   452 

   453 #ifdef HAVE_VALGRIND

   454   if (RUNNING_ON_VALGRIND) {

   455     otherwise valgrind errors out when liboil probes CPU extensions

   456      during which it causes SIGILLs etc. to be fired 

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

   458     test_rgb_formats takes a bit longer, so increase timeout 

   459     tcase_set_timeout (tc_chain, 10 * 60);

   460   }

   461 #endif

   462 

   463   FIXME: add tests for YUV <=> YUV and YUV <=> RGB 

   464   tcase_add_test (tc_chain, test_rgb_to_rgb);

   465 

   466   return s;

   467 }*/

   468 void (*fn[]) (void) = {

   469         test_rgb_to_rgb

   470 

   471 };

   472 

   473 char *args[] = {

   474         "test_rgb_to_rgb"

   475 

   476 };

   477 /*void main()

   478     {

   479     gst_init (NULL, NULL);

   480     test_rgb_to_rgb();

   481  

   482     }*/

   483 GST_CHECK_MAIN (ffmpegcolorspace);