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    1 /* GStreamer
    2  *
    3  * unit test for the taglib-based apev2mux element
    4  *
    5  * Copyright (C) 2006 Tim-Philipp Müller  <tim centricular net>
    6  * Copyright (C) 2006 Sebastian Dröge <slomo@circular-chaos.org>
    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., 51 Franklin St, Fifth Floor,
   21  * Boston, MA 02110-1301, USA.
   22  */
   23 
   24 #include <gst/check/gstcheck.h>
   25 
   26 #include <gst/gst.h>
   27 #include <string.h>
   28 
   29 #define TEST_ARTIST           "Ar T\303\255st"
   30 #define TEST_TITLE            "M\303\274llermilch!"
   31 #define TEST_ALBUM            "Boom"
   32 #define TEST_DATE             g_date_new_dmy(1,1,2006)
   33 #define TEST_TRACK_NUMBER     7
   34 #define TEST_TRACK_COUNT      19
   35 #define TEST_TRACK_GAIN       1.45
   36 #define TEST_ALBUM_GAIN       0.78
   37 
   38 /* for dummy mp3 frame sized MP3_FRAME_SIZE bytes,
   39  * start: ff fb b0 44 00 00 08 00  00 4b 00 00 00 00 00 00 */
   40 static const guint8 mp3_dummyhdr[] = { 0xff, 0xfb, 0xb0, 0x44, 0x00, 0x00,
   41   0x08, 0x00, 0x4b, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00
   42 };
   43 
   44 #define MP3_FRAME_SIZE 626
   45 
   46 static GstTagList *
   47 test_taglib_apev2mux_create_tags (guint32 mask)
   48 {
   49   GstTagList *tags;
   50 
   51   tags = gst_tag_list_new_empty ();
   52 
   53   if (mask & (1 << 0)) {
   54     gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
   55         GST_TAG_ARTIST, TEST_ARTIST, NULL);
   56   }
   57   if (mask & (1 << 1)) {
   58     gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
   59         GST_TAG_TITLE, TEST_TITLE, NULL);
   60   }
   61   if (mask & (1 << 2)) {
   62     gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
   63         GST_TAG_ALBUM, TEST_ALBUM, NULL);
   64   }
   65   if (mask & (1 << 3)) {
   66     GDate *date;
   67 
   68     date = TEST_DATE;
   69     gst_tag_list_add (tags, GST_TAG_MERGE_KEEP, GST_TAG_DATE, date, NULL);
   70     g_date_free (date);
   71   }
   72   if (mask & (1 << 4)) {
   73     gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
   74         GST_TAG_TRACK_NUMBER, TEST_TRACK_NUMBER, NULL);
   75   }
   76   if (mask & (1 << 5)) {
   77     gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
   78         GST_TAG_TRACK_COUNT, TEST_TRACK_COUNT, NULL);
   79   }
   80   if (mask & (1 << 6)) {
   81     gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
   82         GST_TAG_TRACK_GAIN, TEST_TRACK_GAIN, NULL);
   83   }
   84   if (mask & (1 << 7)) {
   85     gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
   86         GST_TAG_ALBUM_GAIN, TEST_ALBUM_GAIN, NULL);
   87   }
   88   if (mask & (1 << 8)) {
   89   }
   90   if (mask & (1 << 9)) {
   91   }
   92   if (mask & (1 << 10)) {
   93   }
   94   if (mask & (1 << 11)) {
   95   }
   96   if (mask & (1 << 12)) {
   97   }
   98   if (mask & (1 << 13)) {
   99   }
  100   return tags;
  101 }
  102 
  103 static void
  104 test_taglib_apev2mux_check_tags (GstTagList * tags, guint32 mask)
  105 {
  106   if (mask & (1 << 0)) {
  107     gchar *s = NULL;
  108 
  109     fail_unless (gst_tag_list_get_string (tags, GST_TAG_ARTIST, &s));
  110     fail_unless (g_str_equal (s, TEST_ARTIST));
  111     g_free (s);
  112   }
  113   if (mask & (1 << 1)) {
  114     gchar *s = NULL;
  115 
  116     fail_unless (gst_tag_list_get_string (tags, GST_TAG_TITLE, &s));
  117     fail_unless (g_str_equal (s, TEST_TITLE));
  118     g_free (s);
  119   }
  120   if (mask & (1 << 2)) {
  121     gchar *s = NULL;
  122 
  123     fail_unless (gst_tag_list_get_string (tags, GST_TAG_ALBUM, &s));
  124     fail_unless (g_str_equal (s, TEST_ALBUM));
  125     g_free (s);
  126   }
  127   if (mask & (1 << 3)) {
  128     GDate *shouldbe, *date = NULL;
  129 
  130     shouldbe = TEST_DATE;
  131     fail_unless (gst_tag_list_get_date (tags, GST_TAG_DATE, &date));
  132     fail_unless (g_date_compare (shouldbe, date) == 0);
  133     g_date_free (shouldbe);
  134     g_date_free (date);
  135   }
  136   if (mask & (1 << 4)) {
  137     guint num;
  138 
  139     fail_unless (gst_tag_list_get_uint (tags, GST_TAG_TRACK_NUMBER, &num));
  140     fail_unless (num == TEST_TRACK_NUMBER);
  141   }
  142   if (mask & (1 << 5)) {
  143     guint count;
  144 
  145     fail_unless (gst_tag_list_get_uint (tags, GST_TAG_TRACK_COUNT, &count));
  146     fail_unless (count == TEST_TRACK_COUNT);
  147   }
  148   if (mask & (1 << 6)) {
  149     gdouble gain;
  150 
  151     fail_unless (gst_tag_list_get_double (tags, GST_TAG_TRACK_GAIN, &gain));
  152     fail_unless (gain == TEST_TRACK_GAIN);
  153   }
  154   if (mask & (1 << 7)) {
  155     gdouble gain;
  156 
  157     fail_unless (gst_tag_list_get_double (tags, GST_TAG_ALBUM_GAIN, &gain));
  158     fail_unless (gain == TEST_ALBUM_GAIN);
  159   }
  160   if (mask & (1 << 8)) {
  161   }
  162   if (mask & (1 << 9)) {
  163   }
  164   if (mask & (1 << 10)) {
  165   }
  166   if (mask & (1 << 11)) {
  167   }
  168   if (mask & (1 << 12)) {
  169   }
  170   if (mask & (1 << 13)) {
  171   }
  172 }
  173 
  174 static void
  175 fill_mp3_buffer (GstElement * fakesrc, GstBuffer * buf, GstPad * pad,
  176     guint64 * p_offset)
  177 {
  178   gsize size;
  179 
  180   size = gst_buffer_get_size (buf);
  181 
  182   fail_unless (size == MP3_FRAME_SIZE);
  183 
  184   GST_LOG ("filling buffer with fake mp3 data, offset = %" G_GUINT64_FORMAT,
  185       *p_offset);
  186 
  187   gst_buffer_fill (buf, 0, mp3_dummyhdr, sizeof (mp3_dummyhdr));
  188 
  189 #if 0
  190   /* can't use gst_buffer_set_caps() here because the metadata isn't writable
  191    * because of the extra refcounts taken by the signal emission mechanism;
  192    * we know it's fine to use GST_BUFFER_CAPS() here though */
  193   GST_BUFFER_CAPS (buf) = gst_caps_new_simple ("audio/mpeg", "mpegversion",
  194       G_TYPE_INT, 1, "layer", G_TYPE_INT, 3, NULL);
  195 #endif
  196 
  197   GST_BUFFER_OFFSET (buf) = *p_offset;
  198   *p_offset += size;
  199 }
  200 
  201 static void
  202 got_buffer (GstElement * fakesink, GstBuffer * buf, GstPad * pad,
  203     GstBuffer ** p_buf)
  204 {
  205   gint64 off;
  206   GstMapInfo map;
  207 
  208   off = GST_BUFFER_OFFSET (buf);
  209 
  210   gst_buffer_map (buf, &map, GST_MAP_READ);
  211 
  212   GST_LOG ("size=%" G_GSIZE_FORMAT ", offset=%" G_GINT64_FORMAT, map.size, off);
  213 
  214   fail_unless (GST_BUFFER_OFFSET_IS_VALID (buf));
  215 
  216   if (*p_buf == NULL || (off + map.size) > gst_buffer_get_size (*p_buf)) {
  217     GstBuffer *newbuf;
  218 
  219     /* not very elegant, but who cares */
  220     newbuf = gst_buffer_new_and_alloc (off + map.size);
  221     if (*p_buf) {
  222       GstMapInfo pmap;
  223 
  224       gst_buffer_map (*p_buf, &pmap, GST_MAP_READ);
  225       gst_buffer_fill (newbuf, 0, pmap.data, pmap.size);
  226       gst_buffer_unmap (*p_buf, &pmap);
  227     }
  228     gst_buffer_fill (newbuf, off, map.data, map.size);
  229     if (*p_buf)
  230       gst_buffer_unref (*p_buf);
  231     *p_buf = newbuf;
  232   } else {
  233     gst_buffer_fill (*p_buf, off, map.data, map.size);
  234   }
  235   gst_buffer_unmap (buf, &map);
  236 }
  237 
  238 static void
  239 test_taglib_apev2mux_check_output_buffer (GstBuffer * buf)
  240 {
  241   GstMapInfo map;
  242   guint off;
  243 
  244   gst_buffer_map (buf, &map, GST_MAP_READ);
  245   g_assert (map.size % MP3_FRAME_SIZE == 0);
  246 
  247   for (off = 0; off < map.size; off += MP3_FRAME_SIZE) {
  248     fail_unless (memcmp (map.data + off, mp3_dummyhdr,
  249             sizeof (mp3_dummyhdr)) == 0);
  250   }
  251   gst_buffer_unmap (buf, &map);
  252 }
  253 
  254 static void
  255 test_taglib_apev2mux_with_tags (GstTagList * tags, guint32 mask)
  256 {
  257   GstMessage *msg;
  258   GstTagList *tags_read = NULL;
  259   GstElement *pipeline, *apev2mux, *apedemux, *fakesrc, *fakesink;
  260   GstBus *bus;
  261   guint64 offset;
  262   GstBuffer *outbuf = NULL;
  263 
  264   pipeline = gst_pipeline_new ("pipeline");
  265   g_assert (pipeline != NULL);
  266 
  267   fakesrc = gst_element_factory_make ("fakesrc", "fakesrc");
  268   g_assert (fakesrc != NULL);
  269 
  270   apev2mux = gst_element_factory_make ("apev2mux", "apev2mux");
  271   g_assert (apev2mux != NULL);
  272 
  273   apedemux = gst_element_factory_make ("apedemux", "apedemux");
  274   g_assert (apedemux != NULL);
  275 
  276   fakesink = gst_element_factory_make ("fakesink", "fakesink");
  277   g_assert (fakesink != NULL);
  278 
  279   /* set up sink */
  280   outbuf = NULL;
  281   g_object_set (fakesink, "signal-handoffs", TRUE, NULL);
  282   g_signal_connect (fakesink, "handoff", G_CALLBACK (got_buffer), &outbuf);
  283 
  284   gst_bin_add (GST_BIN (pipeline), fakesrc);
  285   gst_bin_add (GST_BIN (pipeline), apev2mux);
  286   gst_bin_add (GST_BIN (pipeline), apedemux);
  287   gst_bin_add (GST_BIN (pipeline), fakesink);
  288 
  289   gst_tag_setter_merge_tags (GST_TAG_SETTER (apev2mux), tags,
  290       GST_TAG_MERGE_APPEND);
  291 
  292   gst_element_link_many (fakesrc, apev2mux, apedemux, fakesink, NULL);
  293 
  294   /* set up source */
  295   g_object_set (fakesrc, "signal-handoffs", TRUE, "can-activate-pull", FALSE,
  296       "filltype", 2, "sizetype", 2, "sizemax", MP3_FRAME_SIZE,
  297       "num-buffers", 16, NULL);
  298 
  299   offset = 0;
  300   g_signal_connect (fakesrc, "handoff", G_CALLBACK (fill_mp3_buffer), &offset);
  301 
  302   gst_element_set_state (pipeline, GST_STATE_PLAYING);
  303   fail_unless (gst_element_get_state (pipeline, NULL, NULL,
  304           -1) == GST_STATE_CHANGE_SUCCESS);
  305 
  306   bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
  307 
  308   GST_LOG ("Waiting for tag ...");
  309   msg =
  310       gst_bus_poll (bus, GST_MESSAGE_TAG | GST_MESSAGE_EOS | GST_MESSAGE_ERROR,
  311       -1);
  312   if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
  313     GError *err;
  314     gchar *dbg;
  315 
  316     gst_message_parse_error (msg, &err, &dbg);
  317     g_printerr ("ERROR from element %s: %s\n%s\n",
  318         GST_OBJECT_NAME (msg->src), err->message, GST_STR_NULL (dbg));
  319     g_error_free (err);
  320     g_free (dbg);
  321   } else if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS) {
  322     g_printerr ("EOS message, but were waiting for TAGS!\n");
  323   }
  324   fail_unless (msg->type == GST_MESSAGE_TAG);
  325 
  326   gst_message_parse_tag (msg, &tags_read);
  327   gst_message_unref (msg);
  328 
  329   GST_LOG ("Got tags: %" GST_PTR_FORMAT, tags_read);
  330   test_taglib_apev2mux_check_tags (tags_read, mask);
  331   gst_tag_list_unref (tags_read);
  332 
  333   GST_LOG ("Waiting for EOS ...");
  334   msg = gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
  335   if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
  336     GError *err;
  337     gchar *dbg;
  338 
  339     gst_message_parse_error (msg, &err, &dbg);
  340     g_printerr ("ERROR from element %s: %s\n%s\n",
  341         GST_OBJECT_NAME (msg->src), err->message, GST_STR_NULL (dbg));
  342     g_error_free (err);
  343     g_free (dbg);
  344   }
  345   fail_unless (msg->type == GST_MESSAGE_EOS);
  346   gst_message_unref (msg);
  347 
  348   gst_object_unref (bus);
  349 
  350   GST_LOG ("Got EOS, shutting down ...");
  351   gst_element_set_state (pipeline, GST_STATE_NULL);
  352   gst_object_unref (pipeline);
  353 
  354   test_taglib_apev2mux_check_output_buffer (outbuf);
  355   gst_buffer_unref (outbuf);
  356 
  357   GST_LOG ("Done");
  358 }
  359 
  360 GST_START_TEST (test_apev2mux)
  361 {
  362   GstTagList *tags;
  363   gint i;
  364 
  365   g_random_set_seed (247166295);
  366 
  367   /* internal consistency check */
  368   tags = test_taglib_apev2mux_create_tags (0xFFFFFFFF);
  369   test_taglib_apev2mux_check_tags (tags, 0xFFFFFFFF);
  370   gst_tag_list_unref (tags);
  371 
  372   /* now the real tests */
  373   for (i = 0; i < 50; ++i) {
  374     guint32 mask;
  375 
  376     mask = g_random_int ();
  377     GST_LOG ("tag mask = %08x (i=%d)", mask, i);
  378 
  379     if (mask == 0)
  380       continue;
  381 
  382     /* create tags */
  383     tags = test_taglib_apev2mux_create_tags (mask);
  384     GST_LOG ("tags for mask %08x = %" GST_PTR_FORMAT, mask, tags);
  385 
  386     /* double-check for internal consistency */
  387     test_taglib_apev2mux_check_tags (tags, mask);
  388 
  389     /* test with pipeline */
  390     test_taglib_apev2mux_with_tags (tags, mask);
  391 
  392     /* free tags */
  393     gst_tag_list_unref (tags);
  394   }
  395 }
  396 
  397 GST_END_TEST;
  398 
  399 static Suite *
  400 apev2mux_suite (void)
  401 {
  402   Suite *s = suite_create ("apev2mux");
  403   TCase *tc_chain = tcase_create ("general");
  404 
  405   suite_add_tcase (s, tc_chain);
  406   tcase_add_test (tc_chain, test_apev2mux);
  407 
  408   return s;
  409 }
  410 
  411 GST_CHECK_MAIN (apev2mux);