id3v2mux.c 13.3 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
/* GStreamer
 *
 * unit test for the taglib-based id3v2mux element
 *
 * Copyright (C) 2006 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <gst/check/gstcheck.h>

#include <gst/gst.h>
#include <string.h>

#define TEST_ARTIST           "Ar T\303\255st"
#define TEST_TITLE            "M\303\274llermilch!"
#define TEST_ALBUM            "Boom"
#define TEST_DATE             g_date_new_dmy(1,1,2006)
#define TEST_TRACK_NUMBER     7
#define TEST_TRACK_COUNT      19
#define TEST_VOLUME_NUMBER    2
#define TEST_VOLUME_COUNT     3

/* #define TEST_TRACK_GAIN      1.45  (not implemented yet) */
/* #define TEST_ALBUM_GAIN      0.78  (not implemented yet) */

/* for dummy mp3 frame sized MP3_FRAME_SIZE bytes,
 * start: ff fb b0 44 00 00 08 00  00 4b 00 00 00 00 00 00 */
static const guint8 mp3_dummyhdr[] = { 0xff, 0xfb, 0xb0, 0x44, 0x00, 0x00,
  0x08, 0x00, 0x4b, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00
};

#define MP3_FRAME_SIZE 626

static GstTagList *
test_taglib_id3mux_create_tags (guint32 mask)
{
  GstTagList *tags;

  tags = gst_tag_list_new ();

  if (mask & (1 << 0)) {
    gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
        GST_TAG_ARTIST, TEST_ARTIST, NULL);
  }
  if (mask & (1 << 1)) {
    gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
        GST_TAG_TITLE, TEST_TITLE, NULL);
  }
  if (mask & (1 << 2)) {
    gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
        GST_TAG_ALBUM, TEST_ALBUM, NULL);
  }
  if (mask & (1 << 3)) {
    GDate *date;

    date = TEST_DATE;
    gst_tag_list_add (tags, GST_TAG_MERGE_KEEP, GST_TAG_DATE, date, NULL);
    g_date_free (date);
  }
  if (mask & (1 << 4)) {
    gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
        GST_TAG_TRACK_NUMBER, TEST_TRACK_NUMBER, NULL);
  }
  if (mask & (1 << 5)) {
    gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
        GST_TAG_TRACK_COUNT, TEST_TRACK_COUNT, NULL);
  }
  if (mask & (1 << 6)) {
    gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
        GST_TAG_ALBUM_VOLUME_NUMBER, TEST_VOLUME_NUMBER, NULL);
  }
  if (mask & (1 << 7)) {
    gst_tag_list_add (tags, GST_TAG_MERGE_KEEP,
        GST_TAG_ALBUM_VOLUME_COUNT, TEST_VOLUME_COUNT, NULL);
  }
  if (mask & (1 << 8)) {
  }
  if (mask & (1 << 9)) {
  }
  if (mask & (1 << 10)) {
  }
  if (mask & (1 << 11)) {
  }
  if (mask & (1 << 12)) {
  }
  if (mask & (1 << 13)) {
  }
  return tags;
}

105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
static gboolean
utf8_string_in_buf (GstBuffer * buf, const gchar * s)
{
  gint i, len;

  len = strlen (s);
  for (i = 0; i < (GST_BUFFER_SIZE (buf) - len); ++i) {
    if (memcmp (GST_BUFFER_DATA (buf) + i, s, len) == 0) {
      return TRUE;
    }
  }

  return FALSE;
}

static void
test_taglib_id3mux_check_tag_buffer (GstBuffer * buf, guint32 mask)
{
  /* make sure our UTF-8 string hasn't been put into the tag as ISO-8859-1 */
  if (mask & (1 << 0)) {
    fail_unless (utf8_string_in_buf (buf, TEST_ARTIST));
  }
  /* make sure our UTF-8 string hasn't been put into the tag as ISO-8859-1 */
  if (mask & (1 << 1)) {
    fail_unless (utf8_string_in_buf (buf, TEST_TITLE));
  }
  /* make sure our UTF-8 string hasn't been put into the tag as ISO-8859-1 */
  if (mask & (1 << 2)) {
    fail_unless (utf8_string_in_buf (buf, TEST_ALBUM));
  }
}

137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
static void
test_taglib_id3mux_check_tags (GstTagList * tags, guint32 mask)
{
  if (mask & (1 << 0)) {
    gchar *s = NULL;

    fail_unless (gst_tag_list_get_string (tags, GST_TAG_ARTIST, &s));
    fail_unless (g_str_equal (s, TEST_ARTIST));
    g_free (s);
  }
  if (mask & (1 << 1)) {
    gchar *s = NULL;

    fail_unless (gst_tag_list_get_string (tags, GST_TAG_TITLE, &s));
    fail_unless (g_str_equal (s, TEST_TITLE));
    g_free (s);
  }
  if (mask & (1 << 2)) {
    gchar *s = NULL;

    fail_unless (gst_tag_list_get_string (tags, GST_TAG_ALBUM, &s));
    fail_unless (g_str_equal (s, TEST_ALBUM));
    g_free (s);
  }
  if (mask & (1 << 3)) {
    GDate *shouldbe, *date = NULL;

    shouldbe = TEST_DATE;
    fail_unless (gst_tag_list_get_date (tags, GST_TAG_DATE, &date));
    fail_unless (g_date_compare (shouldbe, date) == 0);
    g_date_free (shouldbe);
    g_date_free (date);
  }
  if (mask & (1 << 4)) {
171
172
173
174
    guint num;

    fail_unless (gst_tag_list_get_uint (tags, GST_TAG_TRACK_NUMBER, &num));
    fail_unless (num == TEST_TRACK_NUMBER);
175
176
  }
  if (mask & (1 << 5)) {
177
178
179
180
    guint count;

    fail_unless (gst_tag_list_get_uint (tags, GST_TAG_TRACK_COUNT, &count));
    fail_unless (count == TEST_TRACK_COUNT);
181
182
  }
  if (mask & (1 << 6)) {
183
184
185
186
187
    guint num;

    fail_unless (gst_tag_list_get_uint (tags, GST_TAG_ALBUM_VOLUME_NUMBER,
            &num));
    fail_unless (num == TEST_VOLUME_NUMBER);
188
189
  }
  if (mask & (1 << 7)) {
190
191
192
193
194
    guint count;

    fail_unless (gst_tag_list_get_uint (tags, GST_TAG_ALBUM_VOLUME_COUNT,
            &count));
    fail_unless (count == TEST_VOLUME_COUNT);
195
  }
196
#if 0
197
  if (mask & (1 << 8)) {
198
199
200
201
    gdouble gain;

    fail_unless (gst_tag_list_get_double (tags, GST_TAG_TRACK_GAIN, &gain));
    fail_unless (gain == TEST_TRACK_GAIN);
202
203
  }
  if (mask & (1 << 9)) {
204
205
206
207
    gdouble gain;

    fail_unless (gst_tag_list_get_double (tags, GST_TAG_ALBUM_GAIN, &gain));
    fail_unless (gain == TEST_ALBUM_GAIN);
208
  }
209
#endif
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
  if (mask & (1 << 10)) {
  }
  if (mask & (1 << 11)) {
  }
  if (mask & (1 << 12)) {
  }
  if (mask & (1 << 13)) {
  }
}

static void
fill_mp3_buffer (GstElement * fakesrc, GstBuffer * buf, GstPad * pad,
    guint64 * p_offset)
{
  GstCaps *caps;

226
  fail_unless (GST_BUFFER_SIZE (buf) == MP3_FRAME_SIZE);
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310

  GST_LOG ("filling buffer with fake mp3 data, offset = %" G_GUINT64_FORMAT,
      *p_offset);

  memcpy (GST_BUFFER_DATA (buf), mp3_dummyhdr, sizeof (mp3_dummyhdr));
  caps = gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 1,
      "layer", G_TYPE_INT, 3, NULL);
  gst_buffer_set_caps (buf, caps);
  gst_caps_unref (caps);

  GST_BUFFER_OFFSET (buf) = *p_offset;
  *p_offset += GST_BUFFER_SIZE (buf);
}

static void
got_buffer (GstElement * fakesink, GstBuffer * buf, GstPad * pad,
    GstBuffer ** p_buf)
{
  gint64 off;
  guint size;

  off = GST_BUFFER_OFFSET (buf);
  size = GST_BUFFER_SIZE (buf);

  GST_LOG ("got buffer, size=%u, offset=%" G_GINT64_FORMAT, size, off);

  fail_unless (GST_BUFFER_OFFSET_IS_VALID (buf));

  if (*p_buf == NULL || (off + size) > GST_BUFFER_SIZE (*p_buf)) {
    GstBuffer *newbuf;

    /* not very elegant, but who cares */
    newbuf = gst_buffer_new_and_alloc (off + size);
    if (*p_buf) {
      memcpy (GST_BUFFER_DATA (newbuf), GST_BUFFER_DATA (*p_buf),
          GST_BUFFER_SIZE (*p_buf));
    }
    memcpy (GST_BUFFER_DATA (newbuf) + off, GST_BUFFER_DATA (buf), size);
    if (*p_buf)
      gst_buffer_unref (*p_buf);
    *p_buf = newbuf;
  } else {
    memcpy (GST_BUFFER_DATA (*p_buf) + off, GST_BUFFER_DATA (buf), size);
  }
}
static void
demux_pad_added (GstElement * id3demux, GstPad * srcpad, GstBuffer ** p_outbuf)
{
  GstElement *fakesink, *pipeline;

  GST_LOG ("id3demux added source pad with caps %" GST_PTR_FORMAT,
      GST_PAD_CAPS (srcpad));

  pipeline = id3demux;
  while (GST_OBJECT_PARENT (pipeline) != NULL)
    pipeline = (GstElement *) GST_OBJECT_PARENT (pipeline);

  fakesink = gst_element_factory_make ("fakesink", "fakesink");
  g_assert (fakesink != NULL);

  /* set up sink */
  g_object_set (fakesink, "signal-handoffs", TRUE, NULL);
  g_signal_connect (fakesink, "handoff", G_CALLBACK (got_buffer), p_outbuf);

  gst_bin_add (GST_BIN (pipeline), fakesink);
  gst_element_set_state (fakesink, GST_STATE_PLAYING);

  fail_unless (gst_element_link (id3demux, fakesink));
}

static void
test_taglib_id3mux_check_output_buffer (GstBuffer * buf)
{
  guint8 *data = GST_BUFFER_DATA (buf);
  guint size = GST_BUFFER_SIZE (buf);
  guint off;

  g_assert (size % MP3_FRAME_SIZE == 0);

  for (off = 0; off < size; off += MP3_FRAME_SIZE) {
    fail_unless (memcmp (data + off, mp3_dummyhdr, sizeof (mp3_dummyhdr)) == 0);
  }
}

311
312
313
314
315
316
317
318
static void
identity_cb (GstElement * identity, GstBuffer * buf, GstBuffer ** p_tagbuf)
{
  if (*p_tagbuf == NULL) {
    *p_tagbuf = gst_buffer_ref (buf);
  }
}

319
320
321
322
323
static void
test_taglib_id3mux_with_tags (GstTagList * tags, guint32 mask)
{
  GstMessage *msg;
  GstTagList *tags_read = NULL;
324
  GstElement *pipeline, *id3mux, *id3demux, *fakesrc, *identity;
325
326
327
  GstBus *bus;
  guint64 offset;
  GstBuffer *outbuf = NULL;
328
  GstBuffer *tagbuf = NULL;
329
330
331
332
333
334
335

  pipeline = gst_pipeline_new ("pipeline");
  g_assert (pipeline != NULL);

  fakesrc = gst_element_factory_make ("fakesrc", "fakesrc");
  g_assert (fakesrc != NULL);

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
336
  id3mux = gst_element_factory_make ("id3v2mux", "id3v2mux");
337
338
  g_assert (id3mux != NULL);

339
340
341
  identity = gst_element_factory_make ("identity", "identity");
  g_assert (identity != NULL);

342
343
344
345
346
347
348
349
350
  id3demux = gst_element_factory_make ("id3demux", "id3demux");
  g_assert (id3demux != NULL);

  outbuf = NULL;
  g_signal_connect (id3demux, "pad-added",
      G_CALLBACK (demux_pad_added), &outbuf);

  gst_bin_add (GST_BIN (pipeline), fakesrc);
  gst_bin_add (GST_BIN (pipeline), id3mux);
351
  gst_bin_add (GST_BIN (pipeline), identity);
352
353
354
355
356
  gst_bin_add (GST_BIN (pipeline), id3demux);

  gst_tag_setter_merge_tags (GST_TAG_SETTER (id3mux), tags,
      GST_TAG_MERGE_APPEND);

357
  gst_element_link_many (fakesrc, id3mux, identity, id3demux, NULL);
358
359
360
361

  /* set up source */
  g_object_set (fakesrc, "signal-handoffs", TRUE, "can-activate-pull", FALSE,
      "filltype", 2, "sizetype", 2, "sizemax", MP3_FRAME_SIZE,
362
      "num-buffers", 16, NULL);
363
364
365
366

  offset = 0;
  g_signal_connect (fakesrc, "handoff", G_CALLBACK (fill_mp3_buffer), &offset);

367
368
369
  /* set up identity to catch tag buffer */
  g_signal_connect (identity, "handoff", G_CALLBACK (identity_cb), &tagbuf);

Wim Taymans's avatar
Wim Taymans committed
370
  GST_LOG ("setting and getting state ...");
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
  gst_element_set_state (pipeline, GST_STATE_PLAYING);
  fail_unless (gst_element_get_state (pipeline, NULL, NULL,
          -1) == GST_STATE_CHANGE_SUCCESS);

  bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));

  GST_LOG ("Waiting for tag ...");
  msg =
      gst_bus_poll (bus, GST_MESSAGE_TAG | GST_MESSAGE_EOS | GST_MESSAGE_ERROR,
      -1);
  if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
    GError *err;
    gchar *dbg;

    gst_message_parse_error (msg, &err, &dbg);
    g_printerr ("ERROR from element %s: %s\n%s\n",
        GST_OBJECT_NAME (msg->src), err->message, GST_STR_NULL (dbg));
    g_error_free (err);
    g_free (dbg);
  } else if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS) {
    g_printerr ("EOS message, but were waiting for TAGS!\n");
  }
  fail_unless (msg->type == GST_MESSAGE_TAG);

  gst_message_parse_tag (msg, &tags_read);
  gst_message_unref (msg);

  GST_LOG ("Got tags: %" GST_PTR_FORMAT, tags_read);
  test_taglib_id3mux_check_tags (tags_read, mask);
  gst_tag_list_free (tags_read);

402
403
404
405
  fail_unless (tagbuf != NULL);
  test_taglib_id3mux_check_tag_buffer (tagbuf, mask);
  gst_buffer_unref (tagbuf);

406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
  GST_LOG ("Waiting for EOS ...");
  msg = gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
  if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
    GError *err;
    gchar *dbg;

    gst_message_parse_error (msg, &err, &dbg);
    g_printerr ("ERROR from element %s: %s\n%s\n",
        GST_OBJECT_NAME (msg->src), err->message, GST_STR_NULL (dbg));
    g_error_free (err);
    g_free (dbg);
  }
  fail_unless (msg->type == GST_MESSAGE_EOS);
  gst_message_unref (msg);

  gst_object_unref (bus);

  GST_LOG ("Got EOS, shutting down ...");
  gst_element_set_state (pipeline, GST_STATE_NULL);
  gst_object_unref (pipeline);

  test_taglib_id3mux_check_output_buffer (outbuf);
  gst_buffer_unref (outbuf);

  GST_LOG ("Done");
}

GST_START_TEST (test_id3v2mux)
{
  GstTagList *tags;
  gint i;

  g_random_set_seed (247166295);

  /* internal consistency check */
  tags = test_taglib_id3mux_create_tags (0xFFFFFFFF);
  test_taglib_id3mux_check_tags (tags, 0xFFFFFFFF);
  gst_tag_list_free (tags);

  /* now the real tests */
  for (i = 0; i < 50; ++i) {
    guint32 mask;

    mask = g_random_int ();
    GST_LOG ("tag mask = %08x (i=%d)", mask, i);

    if (mask == 0)
      continue;

    /* create tags */
    tags = test_taglib_id3mux_create_tags (mask);
    GST_LOG ("tags for mask %08x = %" GST_PTR_FORMAT, mask, tags);

    /* double-check for internal consistency */
    test_taglib_id3mux_check_tags (tags, mask);

    /* test with pipeline */
    test_taglib_id3mux_with_tags (tags, mask);

    /* free tags */
    gst_tag_list_free (tags);
  }
}

GST_END_TEST;

static Suite *
473
id3v2mux_suite (void)
474
{
475
  Suite *s = suite_create ("id3v2mux");
476
477
478
479
480
481
482
483
484
485
486
487
488
  TCase *tc_chain = tcase_create ("general");

  suite_add_tcase (s, tc_chain);
  tcase_add_test (tc_chain, test_id3v2mux);

  return s;
}

int
main (int argc, char **argv)
{
  int nf;

489
  Suite *s = id3v2mux_suite ();
490
491
492
493
494
495
496
497
498
499
  SRunner *sr = srunner_create (s);

  gst_check_init (&argc, &argv);

  srunner_run_all (sr, CK_NORMAL);
  nf = srunner_ntests_failed (sr);
  srunner_free (sr);

  return nf;
}