tests/check/elements/dataurisrc.c

/* GStreamer unit test for dataurisrc
 *
 * Copyright (C) 2010, 2016 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., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <gst/check/gstcheck.h>

/* sine wave encoded in ogg/vorbis, created with:
 *   gst-launch-1.0 audiotestsrc num-buffers=110 ! audioconvert ! \
 *                   audio/x-raw,channels=1 ! vorbisenc ! oggmux ! \
 *                   filesink location=sine.ogg
 * and then encoded to base64 */
const gchar data_uri[] = "data:audio/ogg;base64,"
    "T2dnUwACAAAAAAAAAACVWbd7AAAAAHgH02kBHgF2b3JiaXMAAAAAAUSsAAAAAAAAgDgBAAAAAAC4"
    "AU9nZ1MAAAAAAAAAAAAAlVm3ewEAAADrU8FRDkv///////////////+BA3ZvcmJpcx0AAABYaXBo"
    "Lk9yZyBsaWJWb3JiaXMgSSAyMDA5MDcwOQEAAAAaAAAAREVTQ1JJUFRJT049YXVkaW90ZXN0IHdh"
    "dmUBBXZvcmJpcyJCQ1YBAEAAACRzGCpGpXMWhBAaQlAZ4xxCzmvsGUJMEYIcMkxbyyVzkCGkoEKI"
    "WyiB0JBVAABAAACHQXgUhIpBCCGEJT1YkoMnPQghhIg5eBSEaUEIIYQQQgghhBBCCCGERTlokoMn"
    "QQgdhOMwOAyD5Tj4HIRFOVgQgydB6CCED0K4moOsOQghhCQ1SFCDBjnoHITCLCiKgsQwuBaEBDUo"
    "jILkMMjUgwtCiJqDSTX4GoRnQXgWhGlBCCGEJEFIkIMGQcgYhEZBWJKDBjm4FITLQagahCo5CB+E"
    "IDRkFQCQAACgoiiKoigKEBqyCgDIAAAQQFEUx3EcyZEcybEcCwgNWQUAAAEACAAAoEiKpEiO5EiS"
    "JFmSJVmSJVmS5omqLMuyLMuyLMsyEBqyCgBIAABQUQxFcRQHCA1ZBQBkAAAIoDiKpViKpWiK54iO"
    "CISGrAIAgAAABAAAEDRDUzxHlETPVFXXtm3btm3btm3btm3btm1blmUZCA1ZBQBAAAAQ0mlmqQaI"
    "MAMZBkJDVgEACAAAgBGKMMSA0JBVAABAAACAGEoOogmtOd+c46BZDppKsTkdnEi1eZKbirk555xz"
    "zsnmnDHOOeecopxZDJoJrTnnnMSgWQqaCa0555wnsXnQmiqtOeeccc7pYJwRxjnnnCateZCajbU5"
    "55wFrWmOmkuxOeecSLl5UptLtTnnnHPOOeecc84555zqxekcnBPOOeecqL25lpvQxTnnnE/G6d6c"
    "EM4555xzzjnnnHPOOeecIDRkFQAABABAEIaNYdwpCNLnaCBGEWIaMulB9+gwCRqDnELq0ehopJQ6"
    "CCWVcVJKJwgNWQUAAAIAQAghhRRSSCGFFFJIIYUUYoghhhhyyimnoIJKKqmooowyyyyzzDLLLLPM"
    "Ouyssw47DDHEEEMrrcRSU2011lhr7jnnmoO0VlprrbVSSimllFIKQkNWAQAgAAAEQgYZZJBRSCGF"
    "FGKIKaeccgoqqIDQkFUAACAAgAAAAABP8hzRER3RER3RER3RER3R8RzPESVREiVREi3TMjXTU0VV"
    "dWXXlnVZt31b2IVd933d933d+HVhWJZlWZZlWZZlWZZlWZZlWZYgNGQVAAACAAAghBBCSCGFFFJI"
    "KcYYc8w56CSUEAgNWQUAAAIACAAAAHAUR3EcyZEcSbIkS9IkzdIsT/M0TxM9URRF0zRV0RVdUTdt"
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    "JElAaMgqAEAGAEAAAIriKI7jOJIkSZIlaZJneZaomZrpmZ4qqkBoyCoAABAAQAAAAAAAAIqmeIqp"
    "eIqoeI7oiJJomZaoqZoryqbsuq7ruq7ruq7ruq7ruq7ruq7ruq7ruq7ruq7ruq7ruq7ruq4LhIas"
    "AgAkAAB0JEdyJEdSJEVSJEdygNCQVQCADACAAAAcwzEkRXIsy9I0T/M0TxM90RM901NFV3SB0JBV"
    "AAAgAIAAAAAAAAAMybAUy9EcTRIl1VItVVMt1VJF1VNVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV"
    "VVVVVVVVVVVN0zRNEwgNWQkAAAEA0FpzzK2XjkHorJfIKKSg10455qTXzCiCnOcQMWOYx1IxQwzG"
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    "qx2lVGuqsQAAgAAHAIAAC6HQkBUBQBQAAIEMUgophZRizinnkFLKOeYcYoo5p5xjzjkonZTKOSed"
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    "1VNN2RVVVZZV2dVlVZZ1X3RV3VZd2ddVWdZ929aFX9Z9wqiqum7Krq6rsqz7si77uu3rlEnTTFMT"
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    "kEFIIYMQUkghpRBSSgkAABhwAAAIMKEMFBqyEgCIAgAACJFSSimNlFJKKaWRUkoppZQSQgghhBBC"
    "CCGEEEIIIYQQQgghhBBCCCGEEEIIIYQQQggFAPhPOAD4P9igKbE4QKEhKwGAcAAAwBilmHIMOgkp"
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    "AAAEGEEnGVUWYaMJFx6AQkNWAgBAAAAUxFZTiZ1BzDFnqSEIMaipQkophjFDyiCmKVMKIYUhc4oh"
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    "BkeHxwdISAAAAAAAyADABwDAIQJERDSHkaGxwdHh8QESEgAAAAAAAAAAAAQEBAAAAAAAAgAAAAQE"
    "T2dnUwAAwFIAAAAAAACVWbd7AgAAAPtNZ2oXKxQ4JiYlJSUmJSYmJSUlJiUmJiYmJSWM64s3q+wD"
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    "7RYa7PhTwHQAAgAAAAAAAAAAAACcv6UAAIDcBE+qAJ7K3io3yf0WAez4W8F0AAAAAAAAAAAAAAAA"
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    "7PhTwXQAAAAAAAAAAAAAAAC/fhYAYGHvr03cAACeyt4qNyntFhrs+FPAdAACAAAAAAAAAAAAANz3"
    "OAAAIHrqAhUAnsreqjfJ7RahwY4/FUwHAAAAAAAAAAAAAADw/l0BAEC7xG4ZAACeyt6qN8ntFhrs"
    "+FvAdAAAAAAAAAAAAAAAAO9vQQIAQP7YG9MBAJ7K3qo3ye0WocGOPxVMBwAAAAAAAAAAAAAA8Ny1"
    "BACAmsF9ngAAnsreKjfJ7RahwY4/FUwHAAAAAAAAAAAAAADw6+0AAMCi1mdeAACeyt7yNyntFgHs"
    "3K9gOgABAAAAAAAAAAAAAFpnCgAAMI98WgAAnsre8jfJ7RYN7NyaYDoAAAAAAAAAAAAAAIA/fgMA"
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    "AAAAAPD1lgEAwODweu8AnsreqjfJ7RYa7PhbwHQAAAAAAAAAAAAAAADPXQoAAKje6sUrAJ7K3qo3"
    "ye0WocGOPxVMBwAAAAAAAAAAAAAAcN31AACA3K760gIAnsreqjfJ7RahwY4/FUwHAAAAAAAAAAAA"
    "AADw/l0AAID2OV7SAgCeyt7yNyl1i1Bg5/4E0wEoAAAAAAAAAAAAAHDoQQIAQJxOjwQAnsreKjfJ"
    "7Ratwc6tAqYDAAAAAAAAAAAAAAD46wcAgMDlal8mAJ7K3io3Ke0WqcHO/QKmAxAAAAAAAAAAAAAA"
    "oN/DAACAaKfrAACeyt4qN8ntFqnBzv0KpgMAAAAAAAAAAAAAAPjxHQAAMJn8dhoAnsreqjfJ7RYa"
    "7PhbwHQAAAAAAAAAAAAAAADXW0oAAMj7OMMnAJ7K3qo3ye0WocGOPxVMBwAAAAAAAAAAAAAA8HVX"
    "CQAAtYu2eQMAnsreqjfJ7RYa7PhbwHQAAAAAAAAAAAAAAABfnwAAAAZN1vcBAJ7K3io3Ke0WocHO"
    "/QqmAxAAAAAAAAAAAAAA4PzMAwAAzP8cqQIAnsreKjfJ/RYJ7PhTwHQAAAAAAAAAAAAAAAA/fhcA"
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    "dAAAAAAAAAAAAAAAAL9+FgAALDa84wEAnsreKjfJ7RaxwY6/FUwHIAAAAAAAAAAAAADA/V0LAACo"
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    "AAAAAAAAAAAAAAAA799lAgBAu9mnGQAAnsreKjcp7RYa7PhTwXQACgAAAAAAAAAAAAC83OUEAIDa"
    "7i8rAACeyt4qN8n9FgHs+FvBdAAAAAAAAAAAAAAAAL9+BgAALNa/7Q4Ansreqjcp7Rapwc79CqYD"
    "EAAAAAAAAAAAAAAgmgUAAIj5x6gAT2dnUwAAwAIBAAAAAACVWbd7BAAAAFDbxx4WJSUmJiYlJSUl"
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    "AQgAAAAAAAAAAAAA0DpTAACAWUZ6AQCeyt4qN8ntFq3Bzq0CpgMAAAAAAAAAAAAAAPjjtwAALCfy"
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    "AAAAAAAAAAAA+PX2AABgUftTrwCeyt6qN8ntFhrs+FvAdAAAAAAAAAAAAAAAAM9dDgAAqBrY7xkA"
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    "AAAAAAAAAO/fJQAAaJfcNSMAnsreKjcp7Rahwc79CqYDUAAAAAAAAAAAAADgpUcJAADxk+crAACe"
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    "AAAgmhXTAACeyt4qN8n9Fgns+FPAdAAAAAAAAAAAAAAAAD9+BwAATJ7eWzIAnsreKjfJ7RaxwY6/"
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    "AAZeX/ABAJ7K3qo3ye0WGuz4W8B0AAAAAAAAAAAAAAAAX2cZAAAw6O0LHwEAnsreKjfJ7RYa7PhT"
    "wXQAAgAAAAAAAAAAAABcbykAACC3/nlJAJ7K3io3yf0WAez4U8F0AAAAAAAAAAAAAAAAP34vAACY"
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    "BQCeyt6qN8ntFqnBjj8VTAcAAAAAAAAAAAAAAPD+SQEAQLvnvAwAAJ7K3qo3ye0WGuz4W8B0AAAA"
    "AAAAAAAAAAAA729BAgBA/p0l6QAAnsreqjfJ7RahwY4/FUwHAAAAAAAAAAAAAADw3LUEAIBai6M9"
    "AQCeyt6qN8ntFqHBjj8FTAcAAAAAAAAAAAAAAPDr7QAAwOLZvXkBAJ7K3vI3Ke0WAezcr2A6AAEA"
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    "AAAAAAAAAOD8zAMAAMzb/qMCAJ7K3io3yf0WCez4U8B0AAAAAAAAAAAAAAAAP34XAABMPpBLAgCe"
    "yt7aN6nzFmXCzv0CpgNQAAAAAAAAAAAAACCrlwAAIL2kaAEAnsreKjfJ/RYF7PhTwXQAAAAAAAAA"
    "AAAAAAC/fhYAYGHvK6M8AACeyt4qN8ntFhrs+FPAdAACAAAAAAAAAAAAANzftQAAgOqC/6sAnsre"
    "qjfJ7RahwY4/FUwHAAAAAAAAAAAAAADw/l0DAADaeh7ICACeyt6qN8ntFhrs+FvAdAAAAAAAAAAA"
    "AAAAAO9vngAA0B7vmekAAJ7K3qo3ye0WocGOPxVMBwAAAAAAAAAAAAAA8Ny1BACAWt+vaAEAnsre"
    "KjfJ7RahwY4/FUwHAAAAAAAAAAAAAADw67sDAIBF3989AQCeyt7yNyntFgHs3K9gOgABAAAAAAAA"
    "AAAAAKIRAAAgvnymAACeyt7yN8ntFgXs3C9gOgAAAAAAAAAAAAAAgD9+AwAANpqv+gEAnsreKjcp"
    "7RYa7PhTwHQACgAAAAAAAAAAAAC0zywBAMC5cJgAAJ7K3qo3ye0WqcGOPxVMBwAAAAAAAAAAAAAA"
    "8PWWAQDAYK0R7wCeyt6qN8ntFhrs+FvAdAAAAAAAAAAAAAAAAF93KQAAoPpNq1cAnsreqjfJ7Rah"
    "wY4/FUwHAAAAAAAAAAAAAABwvcUAAIBcX6VTAQCeyt6qN8ntFqHBjj8FTAcAAAAAAAAAAAAAAPDj"
    "uwAAAJM3TJgWAE9nZ1MAAMC2AQAAAAAAlVm3ewcAAAChMbyhATK+ur7krvf7iNcT84QFpAwAAAAA"
    "AAAAAAAAAEAnELfPda81yNy2bdpbCkUt8amvXMHuAE9nZ1MABAC4AQAAAAAAlVm3ewgAAAA8WkRh"
    "AWZeiL1v7LSgX1wHDrB3NhI3k3sSnaKJAAAAAAAAQOJJS94nzV+3/3r/2Ho5ub5tHN70XSuPfdZZ"
    "C/9eZOtqZc5Zfl8wP5ZenOT3hbWPpZeE6jzjkdY3f+GXCblaF41qKouT/N7UyQA=";

static GstPad *mysinkpad;

static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS_ANY);

static gboolean have_eos;
static GCond eos_cond;
static GMutex event_mutex;

static guchar *data;
static gsize data_size;

static gboolean
event_func (GstPad * pad, GstObject * parent, GstEvent * event)
{
  gboolean res = TRUE;

  g_mutex_lock (&event_mutex);
  if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
    have_eos = TRUE;
    GST_DEBUG ("signal EOS");
    g_cond_broadcast (&eos_cond);
  }
  g_mutex_unlock (&event_mutex);

  gst_event_unref (event);

  return res;
}

static GstElement *
setup_dataurisrc (void)
{
  GstElement *dataurisrc;

  g_cond_init (&eos_cond);
  g_mutex_init (&event_mutex);
  have_eos = FALSE;

  dataurisrc = gst_check_setup_element ("dataurisrc");
  mysinkpad = gst_check_setup_sink_pad (dataurisrc, &sinktemplate);
  gst_pad_set_event_function (mysinkpad, event_func);
  gst_pad_set_active (mysinkpad, TRUE);

  return dataurisrc;
}

static void
cleanup_dataurisrc (GstElement * dataurisrc)
{
  gst_check_drop_buffers ();
  gst_pad_set_active (mysinkpad, FALSE);
  gst_check_teardown_sink_pad (dataurisrc);
  gst_check_teardown_element (dataurisrc);

  g_cond_clear (&eos_cond);
  g_mutex_clear (&event_mutex);
}

GST_START_TEST (test_dataurisrc_pull)
{
  GstFlowReturn flow;
  GstBuffer *buf1, *buf2;
  GstElement *src;
  GstQuery *seeking_query;
  GstPad *src_pad;
  gboolean seekable = FALSE;
  gint64 start = -1, stop = -1;

  data = g_base64_decode (data_uri + 22, &data_size);
  fail_unless (data != NULL);

  src = setup_dataurisrc ();

  g_object_set (src, "uri", data_uri, NULL);

  fail_unless_equals_int (gst_element_set_state (src, GST_STATE_READY),
      GST_STATE_CHANGE_SUCCESS);

  /* get the source pad */
  src_pad = gst_element_get_static_pad (src, "src");
  fail_unless (src_pad != NULL);

  /* activate the pad in pull mode */
  fail_unless (gst_pad_activate_mode (src_pad, GST_PAD_MODE_PULL, TRUE));

  /* now start playing */
  fail_unless_equals_int (gst_element_set_state (src, GST_STATE_PLAYING),
      GST_STATE_CHANGE_SUCCESS);

  /* Check that dataurisrc is seekable */
  seeking_query = gst_query_new_seeking (GST_FORMAT_BYTES);
  fail_unless (gst_element_query (src, seeking_query) == TRUE);
  gst_query_parse_seeking (seeking_query, NULL, &seekable, &start, &stop);
  fail_unless (seekable == TRUE);
  fail_unless_equals_int64 (start, 0);
  fail_unless_equals_int64 (stop, data_size);
  gst_query_unref (seeking_query);

  seeking_query = gst_query_new_seeking (GST_FORMAT_BYTES);
  fail_unless (gst_pad_query (src_pad, seeking_query) == TRUE);
  gst_query_parse_seeking (seeking_query, NULL, &seekable, &start, &stop);
  fail_unless (seekable == TRUE);
  fail_unless_equals_int64 (start, 0);
  fail_unless_equals_int64 (stop, data_size);
  gst_query_unref (seeking_query);

  seeking_query = gst_query_new_seeking (GST_FORMAT_TIME);
  fail_unless (gst_pad_query (src_pad, seeking_query) == FALSE);
  gst_query_unref (seeking_query);

  /* do some pulls */
  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, 0, 100, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf1 != NULL);
  fail_unless_equals_int (gst_buffer_get_size (buf1), 100);
  fail_unless (gst_buffer_memcmp (buf1, 0, data, 100) == 0);

  buf2 = NULL;
  flow = gst_pad_get_range (src_pad, 0, 50, &buf2);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf2 != NULL);
  fail_unless_equals_int (gst_buffer_get_size (buf2), 50);
  fail_unless (gst_buffer_memcmp (buf2, 0, data, 50) == 0);
  gst_buffer_unref (buf2);
  gst_buffer_unref (buf1);

  /* read next 50 bytes */
  buf2 = NULL;
  flow = gst_pad_get_range (src_pad, 50, 50, &buf2);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf2 != NULL);
  fail_unless_equals_int (gst_buffer_get_size (buf2), 50);
  fail_unless (gst_buffer_memcmp (buf2, 0, data + 50, 50) == 0);
  gst_buffer_unref (buf2);

  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, 1, 100, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf1 != NULL);
  fail_unless_equals_int (gst_buffer_get_size (buf1), 100);
  fail_unless (gst_buffer_memcmp (buf1, 0, data + 1, 100) == 0);
  gst_buffer_unref (buf1);

  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, 0, 999999, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf1 != NULL);
  fail_unless_equals_int (gst_buffer_get_size (buf1), data_size);
  fail_unless (gst_buffer_memcmp (buf1, 0, data, data_size) == 0);
  gst_buffer_unref (buf1);

  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, 50, 999999, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf1 != NULL);
  fail_unless_equals_int (gst_buffer_get_size (buf1), data_size - 50);
  fail_unless (gst_buffer_memcmp (buf1, 0, data + 50, data_size - 50) == 0);
  gst_buffer_unref (buf1);

  /* read 10 bytes at end-10 should give exactly 10 bytes */
  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, data_size - 10, 10, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf1 != NULL);
  fail_unless_equals_int (gst_buffer_get_size (buf1), 10);
  gst_buffer_unref (buf1);

  /* read 20 bytes at end-10 should give exactly 10 bytes */
  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, data_size - 10, 20, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf1 != NULL);
  fail_unless_equals_int (gst_buffer_get_size (buf1), 10);
  gst_buffer_unref (buf1);

  /* read 0 bytes at end-1 should return 0 bytes */
  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, data_size - 1, 0, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf1 != NULL);
  fail_unless_equals_int (gst_buffer_get_size (buf1), 0);
  gst_buffer_unref (buf1);

  /* read 10 bytes at end-1 should return 1 byte */
  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, stop - 1, 10, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_OK);
  fail_unless (buf1 != NULL);
  fail_unless (gst_buffer_get_size (buf1) == 1);
  gst_buffer_unref (buf1);

  /* read 0 bytes at end should EOS */
  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, data_size, 0, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_EOS);

  /* read 10 bytes after end should EOS */
  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, data_size, 10, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_EOS);

  /* read 0 bytes after end should EOS */
  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, data_size + 10, 0, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_EOS);

  /* read 10 bytes after end should EOS too */
  buf1 = NULL;
  flow = gst_pad_get_range (src_pad, data_size + 10, 10, &buf1);
  fail_unless_equals_int (flow, GST_FLOW_EOS);

  fail_unless_equals_int (gst_element_set_state (src, GST_STATE_NULL),
      GST_STATE_CHANGE_SUCCESS);

  gst_object_unref (src_pad);
  cleanup_dataurisrc (src);
  g_free (data);
}

GST_END_TEST;

static GstBuffer *
dataurisrc_wait_for_eos_and_get_data_buffer (void)
{
  GstBuffer *buf;

  g_mutex_lock (&event_mutex);
  while (!have_eos)
    g_cond_wait (&eos_cond, &event_mutex);
  g_mutex_unlock (&event_mutex);

  buf = gst_buffer_new ();
  while (buffers != NULL) {
    buf = gst_buffer_append (buf, buffers->data);
    buffers = g_list_delete_link (buffers, buffers);
  }

  return buf;
}

GST_START_TEST (test_dataurisrc_push)
{
  GstElement *src;
  GstBuffer *buf;

  data = g_base64_decode (data_uri + 22, &data_size);
  fail_unless (data != NULL);

  src = setup_dataurisrc ();

  g_object_set (src, "uri", data_uri, NULL);

  fail_unless_equals_int (gst_element_set_state (src, GST_STATE_PLAYING),
      GST_STATE_CHANGE_SUCCESS);

  /* Everything */
  buf = dataurisrc_wait_for_eos_and_get_data_buffer ();
  fail_unless_equals_int (gst_buffer_get_size (buf), data_size);
  fail_unless (gst_buffer_memcmp (buf, 0, data, data_size) == 0);
  gst_buffer_unref (buf);

  /* 500 - 1000 */
  have_eos = FALSE;
  gst_pad_push_event (mysinkpad,
      gst_event_new_seek (1.0, GST_FORMAT_BYTES, GST_SEEK_FLAG_FLUSH,
          GST_SEEK_TYPE_SET, 500, GST_SEEK_TYPE_SET, 1000));

  buf = dataurisrc_wait_for_eos_and_get_data_buffer ();
  fail_unless_equals_int (gst_buffer_get_size (buf), 500);
  fail_unless (gst_buffer_memcmp (buf, 0, data + 500, 500) == 0);
  gst_buffer_unref (buf);

  /* only start changed, stop kept the same (ie. 1000), so 1000-1000 now */
  have_eos = FALSE;
  gst_pad_push_event (mysinkpad,
      gst_event_new_seek (1.0, GST_FORMAT_BYTES, GST_SEEK_FLAG_FLUSH,
          GST_SEEK_TYPE_SET, 1000, GST_SEEK_TYPE_NONE, -1));

  buf = dataurisrc_wait_for_eos_and_get_data_buffer ();
  fail_unless_equals_int (gst_buffer_get_size (buf), 0);
  gst_buffer_unref (buf);

  /* 1000-end */
  have_eos = FALSE;
  gst_pad_push_event (mysinkpad,
      gst_event_new_seek (1.0, GST_FORMAT_BYTES, GST_SEEK_FLAG_FLUSH,
          GST_SEEK_TYPE_SET, 1000, GST_SEEK_TYPE_SET, -1));

  buf = dataurisrc_wait_for_eos_and_get_data_buffer ();
  fail_unless_equals_int (gst_buffer_get_size (buf), data_size - 1000);
  fail_unless (gst_buffer_memcmp (buf, 0, data + 1000, data_size - 1000) == 0);
  gst_buffer_unref (buf);

  fail_unless_equals_int (gst_element_set_state (src, GST_STATE_NULL),
      GST_STATE_CHANGE_SUCCESS);

  cleanup_dataurisrc (src);
  g_free (data);
}

GST_END_TEST;

GST_START_TEST (test_dataurisrc_uri_iface)
{
  const gchar *const *protocols;
  GstElement *src;
  gchar *uri = NULL;

  src = gst_element_factory_make ("dataurisrc", NULL);
  fail_unless (gst_uri_handler_get_uri (GST_URI_HANDLER (src)) == NULL);
  fail_unless_equals_int (gst_uri_handler_get_uri_type (GST_URI_HANDLER (src)),
      GST_URI_SRC);
  protocols = gst_uri_handler_get_protocols (GST_URI_HANDLER (src));
  fail_unless (protocols != NULL && *protocols != NULL);
#if GLIB_CHECK_VERSION (2, 44, 0)
  fail_unless (g_strv_contains (protocols, "data"));
#endif
  fail_if (gst_uri_handler_set_uri (GST_URI_HANDLER (src), "file:///foo",
          NULL));
  fail_unless (gst_uri_handler_set_uri (GST_URI_HANDLER (src), data_uri, NULL));
  g_object_get (src, "uri", &uri, NULL);
  fail_unless_equals_string (uri, data_uri);
  g_free (uri);
  uri = gst_uri_handler_get_uri (GST_URI_HANDLER (src));
  fail_unless (uri, data_uri);
  g_free (uri);
  gst_object_unref (src);
}

GST_END_TEST;

GST_START_TEST (test_dataurisrc_from_uri)
{
  GstElement *src, *sink;

  sink = gst_element_make_from_uri (GST_URI_SINK, data_uri, NULL, NULL);
  fail_unless (sink == NULL);

  src = gst_element_make_from_uri (GST_URI_SRC, data_uri, NULL, NULL);
  fail_unless (src != NULL);
  gst_object_unref (src);
}

GST_END_TEST;

static Suite *
dataurisrc_suite (void)
{
  Suite *s = suite_create ("dataurisrc");
  TCase *tc_chain = tcase_create ("general");

  suite_add_tcase (s, tc_chain);

  tcase_add_test (tc_chain, test_dataurisrc_pull);
  tcase_add_test (tc_chain, test_dataurisrc_push);
  tcase_add_test (tc_chain, test_dataurisrc_uri_iface);
  tcase_add_test (tc_chain, test_dataurisrc_from_uri);

  return s;
}

GST_CHECK_MAIN (dataurisrc);