/* GStreamer unit tests for multiqueue

 *

 * Copyright (C) 2007 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/gst_global.h>

#include <unistd.h>

#include <gst/check/gstcheck.h>

#include <glib_global.h>

#define LOG_FILE "c:\\logs\\multiqueue_log1.txt"

#include "std_log_result.h"

#define LOG_FILENAME_LINE __FILE__, __LINE__

//char* xmlfile = "multiqueue";

void create_xml(int result)

{

    if(result)

        assert_failed = 1;

    testResultXml(xmlfile);

    close_log_file();

}

static GStaticMutex _check_lock = G_STATIC_MUTEX_INIT;

static GstElement *

setup_multiqueue (GstElement * pipe, GstElement * inputs[],

    GstElement * outputs[], guint num)

{

  GstElement *mq;

  guint i;

  mq = gst_element_factory_make ("multiqueue", NULL);

  fail_unless (mq != NULL, "failed to create 'multiqueue' element");

  TEST_ASSERT_FAIL

  gst_bin_add (GST_BIN (pipe), mq);

  for (i = 0; i < num; ++i) {

    GstPad *sinkpad = NULL;

    GstPad *srcpad = NULL;

    /* create multiqueue sink (and source) pad */

    sinkpad = gst_element_get_request_pad (mq, "sink%d");

    fail_unless (sinkpad != NULL,

        "failed to create multiqueue request pad #%u", i);

    TEST_ASSERT_FAIL

    /* link input element N to the N-th multiqueue sink pad we just created */

    if (inputs != NULL && inputs[i] != NULL) {

      gst_bin_add (GST_BIN (pipe), inputs[i]);

      srcpad = gst_element_get_pad (inputs[i], "src");

      if (srcpad == NULL)

        srcpad = gst_element_get_pad (inputs[i], "src%d");

      if (srcpad == NULL)

        srcpad = gst_element_get_pad (inputs[i], "src_%d");

      fail_unless (srcpad != NULL, "failed to find src pad for input #%u", i);

      TEST_ASSERT_FAIL

      fail_unless_equals_int (GST_PAD_LINK_OK, gst_pad_link (srcpad, sinkpad));

      TEST_ASSERT_FAIL

      gst_object_unref (srcpad);

      srcpad = NULL;

    }

    gst_object_unref (sinkpad);

    sinkpad = NULL;

    /* link output element N to the N-th multiqueue src pad */

    if (outputs != NULL && outputs[i] != NULL) {

      gchar padname[10];

      /* only the sink pads are by request, the source pads are sometimes pads,

       * so this should return NULL */

      srcpad = gst_element_get_request_pad (mq, "src%d");

      fail_unless (srcpad == NULL);

      TEST_ASSERT_FAIL

      g_snprintf (padname, sizeof (padname), "src%d", i);

      srcpad = gst_element_get_pad (mq, padname);

      fail_unless (srcpad != NULL, "failed to get multiqueue src pad #%u", i);

      TEST_ASSERT_FAIL

      fail_unless (GST_PAD_IS_SRC (srcpad),

          "%s:%s is not a source pad?!", GST_DEBUG_PAD_NAME (srcpad));

      TEST_ASSERT_FAIL

      gst_bin_add (GST_BIN (pipe), outputs[i]);

      sinkpad = gst_element_get_pad (outputs[i], "sink");

      if (sinkpad == NULL)

        sinkpad = gst_element_get_pad (outputs[i], "sink%d");

      if (sinkpad == NULL)

        sinkpad = gst_element_get_pad (outputs[i], "sink_%d");

      fail_unless (sinkpad != NULL, "failed to find sink pad of output #%u", i);

      TEST_ASSERT_FAIL

      fail_unless (GST_PAD_IS_SINK (sinkpad));

      TEST_ASSERT_FAIL

      fail_unless_equals_int (GST_PAD_LINK_OK, gst_pad_link (srcpad, sinkpad));

      TEST_ASSERT_FAIL

      gst_object_unref (srcpad);

      gst_object_unref (sinkpad);

    }

  }

  return mq;

}

void test_simple_pipeline()

{

  GstElement *pipe, *mq;

  GstElement *inputs[1];

  GstElement *outputs[1];

  GstMessage *msg;

  xmlfile = "multiqueue_test_simple_pipeline";

  std_log(LOG_FILENAME_LINE, "Test Started test_simple_pipeline");

  pipe = gst_pipeline_new ("pipeline");

  inputs[0] = gst_element_factory_make ("fakesrc", NULL);

  fail_unless (inputs[0] != NULL, "failed to create 'fakesrc' element");

  TEST_ASSERT_FAIL

  g_object_set (inputs[0], "num-buffers", 256, NULL);

  outputs[0] = gst_element_factory_make ("fakesink", NULL);

  fail_unless (outputs[0] != NULL, "failed to create 'fakesink' element");

  TEST_ASSERT_FAIL

  mq = setup_multiqueue (pipe, inputs, outputs, 1);

  gst_element_set_state (pipe, GST_STATE_PLAYING);

  msg = gst_bus_poll (GST_ELEMENT_BUS (pipe),

      GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);

  fail_if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR,

      "Expected EOS message, got ERROR message");

  TEST_ASSERT_FAIL

  gst_message_unref (msg);

  GST_LOG ("Got EOS, cleaning up");

  gst_element_set_state (pipe, GST_STATE_NULL);

  gst_object_unref (pipe);

  std_log(LOG_FILENAME_LINE, "Test Successful");

  create_xml(0);

}

void test_simple_shutdown_while_running()

{

  GstElement *pipe, *mq;

  GstElement *inputs[1];

  GstElement *outputs[1];

  GstMessage *msg;

  xmlfile = "multiqueue_test_simple_shutdown_while_running";

  std_log(LOG_FILENAME_LINE, "Test Started test_simple_shutdown_while_running");

  pipe = gst_pipeline_new ("pipeline");

  inputs[0] = gst_element_factory_make ("fakesrc", NULL);

  fail_unless (inputs[0] != NULL, "failed to create 'fakesrc' element");

  TEST_ASSERT_FAIL

  outputs[0] = gst_element_factory_make ("fakesink", NULL);

  fail_unless (outputs[0] != NULL, "failed to create 'fakesink' element");

  TEST_ASSERT_FAIL

  mq = setup_multiqueue (pipe, inputs, outputs, 1);

  gst_element_set_state (pipe, GST_STATE_PAUSED);

  /* wait until pipeline is up and running */

  msg = gst_bus_poll (GST_ELEMENT_BUS (pipe),

      GST_MESSAGE_ERROR | GST_MESSAGE_ASYNC_DONE, -1);

  fail_if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR, "Got ERROR message");

  TEST_ASSERT_FAIL

  gst_message_unref (msg);

  GST_LOG ("pipeline is running now");

  gst_element_set_state (pipe, GST_STATE_PAUSED);

  /* wait a bit to accumulate some buffers in the queue (while it's blocking

   * in the sink) */

  msg =

      gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, GST_SECOND / 4);

  if (msg)

    g_error ("Got ERROR message");

  /* now shut down only the sink, so the queue gets a wrong-state flow return */

  gst_element_set_state (outputs[0], GST_STATE_NULL);

  msg =

      gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, GST_SECOND / 2);

  if (msg)

    g_error ("Got ERROR message");

  GST_LOG ("Cleaning up");

  gst_element_set_state (pipe, GST_STATE_NULL);

  gst_object_unref (pipe);

  std_log(LOG_FILENAME_LINE, "Test Successful");

  create_xml(0);

}

void test_simple_create_destroy()

{

  GstElement *mq;

  xmlfile = "multiqueue_test_simple_create_destroy";

  std_log(LOG_FILENAME_LINE, "Test Started test_simple_create_destroy");

  mq = gst_element_factory_make ("multiqueue", NULL);

  gst_object_unref (mq);

  std_log(LOG_FILENAME_LINE, "Test Successful");

  create_xml(0);

}

void test_request_pads()

{

  gboolean change_state_before_cleanup = TRUE;

  GstElement *mq;

  GstPad *sink1, *sink2;

  xmlfile = "multiqueue_test_request_pads";

  std_log(LOG_FILENAME_LINE, "Test Started test_request_pads");

again:

  mq = gst_element_factory_make ("multiqueue", NULL);

  sink1 = gst_element_get_request_pad (mq, "foo%d");

  fail_unless (sink1 == NULL,

      "Expected NULL pad, as there is no request pad template for 'foo%%d'");

  TEST_ASSERT_FAIL

  sink1 = gst_element_get_request_pad (mq, "src%d");

  fail_unless (sink1 == NULL,

      "Expected NULL pad, as there is no request pad template for 'src%%d'");

  TEST_ASSERT_FAIL

  sink1 = gst_element_get_request_pad (mq, "sink%d");

  fail_unless (sink1 != NULL);

  TEST_ASSERT_FAIL

  fail_unless (GST_IS_PAD (sink1));

  TEST_ASSERT_FAIL

  fail_unless (GST_PAD_IS_SINK (sink1));

  TEST_ASSERT_FAIL

  GST_LOG ("Got pad %s:%s", GST_DEBUG_PAD_NAME (sink1));

  sink2 = gst_element_get_request_pad (mq, "sink%d");

  fail_unless (sink2 != NULL);

  TEST_ASSERT_FAIL

  fail_unless (GST_IS_PAD (sink2));

  TEST_ASSERT_FAIL

  fail_unless (GST_PAD_IS_SINK (sink2));

  TEST_ASSERT_FAIL

  GST_LOG ("Got pad %s:%s", GST_DEBUG_PAD_NAME (sink2));

  fail_unless (sink1 != sink2);

  TEST_ASSERT_FAIL

  if (change_state_before_cleanup) {

    /* FIXME: if we don't change state, it will deadlock forever when unref'ing

     * the queue (waiting for pad tasks to join) */

    GST_LOG ("Changing state to PLAYING");

    gst_element_set_state (mq, GST_STATE_PLAYING);

    g_usleep (G_USEC_PER_SEC);

    GST_LOG ("Changing state to NULL");

    gst_element_set_state (mq, GST_STATE_NULL);

  }

  GST_LOG ("Cleaning up");

  gst_object_unref (sink1);

  gst_object_unref (sink2);

  gst_object_unref (mq);

  /* FIXME: this should work without state change before cleanup as well,

   * but currently doesn't, see above, so disable this for now */

  if (change_state_before_cleanup && 0) {

    change_state_before_cleanup = FALSE;

    goto again;

  }

  std_log(LOG_FILENAME_LINE, "Test Successful");

  create_xml(0);

}

static GstPad *

mq_sinkpad_to_srcpad (GstElement * mq, GstPad * sink)

{

  GstPad *srcpad = NULL;

  gchar *mq_sinkpad_name;

  gchar *mq_srcpad_name;

  mq_sinkpad_name = gst_pad_get_name (sink);

  fail_unless (g_str_has_prefix (mq_sinkpad_name, "sink"));

  TEST_ASSERT_FAIL

  mq_srcpad_name = g_strdup_printf ("src%s", mq_sinkpad_name + 4);

  srcpad = gst_element_get_pad (mq, mq_srcpad_name);

  fail_unless (srcpad != NULL);

  TEST_ASSERT_FAIL

  g_free (mq_sinkpad_name);

  g_free (mq_srcpad_name);

  return srcpad;

}

static GstCaps *

mq_dummypad_getcaps (GstPad * sinkpad)

{

  return gst_caps_new_any ();

}

struct PadData

{

  guint8 pad_num;

  guint32 *max_linked_id_ptr;

  guint32 *eos_count_ptr;

  gboolean is_linked;

  gboolean first_buf;

  gint n_linked;

  GMutex *mutex;

  GCond *cond;

};

static GstFlowReturn

mq_dummypad_chain (GstPad * sinkpad, GstBuffer * buf)

{

  guint32 cur_id;

  struct PadData *pad_data;

  pad_data = gst_pad_get_element_private (sinkpad);

  g_static_mutex_lock (&_check_lock);

  fail_if (pad_data == NULL);

  TEST_ASSERT_FAIL

  /* Read an ID from the first 4 bytes of the buffer data and check it's

   * what we expect */

  fail_unless (GST_BUFFER_SIZE (buf) >= 4);

  TEST_ASSERT_FAIL

  g_static_mutex_unlock (&_check_lock);

  cur_id = GST_READ_UINT32_BE (GST_BUFFER_DATA (buf));

  g_mutex_lock (pad_data->mutex);

  /* For not-linked pads, ensure that we're not running ahead of the 'linked'

   * pads. The first buffer is allowed to get ahead, because otherwise things can't

   * always pre-roll correctly */

  if (!pad_data->is_linked) {

    /* If there are no linked pads, we can't track a max_id for them :) */

    if (pad_data->n_linked > 0 && !pad_data->first_buf) {

      g_static_mutex_lock (&_check_lock);

      fail_unless (cur_id <= *(pad_data->max_linked_id_ptr) + 1,

          "Got buffer %u on pad %u before buffer %u was seen on a "

          "linked pad (max: %u)", cur_id, pad_data->pad_num, cur_id - 1,

          *(pad_data->max_linked_id_ptr));

      TEST_ASSERT_FAIL

      g_static_mutex_unlock (&_check_lock);

    }

  } else {

    /* Update the max_id value */

    if (cur_id > *(pad_data->max_linked_id_ptr))

      *(pad_data->max_linked_id_ptr) = cur_id;

  }

  pad_data->first_buf = FALSE;

  g_mutex_unlock (pad_data->mutex);

  /* Unref the buffer */

  gst_buffer_unref (buf);

  /* Return OK or not-linked as indicated */

  return pad_data->is_linked ? GST_FLOW_OK : GST_FLOW_NOT_LINKED;

}

static gboolean

mq_dummypad_event (GstPad * sinkpad, GstEvent * event)

{

  struct PadData *pad_data;

  pad_data = gst_pad_get_element_private (sinkpad);

  g_static_mutex_lock (&_check_lock);

  fail_if (pad_data == NULL);

  TEST_ASSERT_FAIL

  g_static_mutex_unlock (&_check_lock);

  if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {

    g_mutex_lock (pad_data->mutex);

    /* Accumulate that we've seen the EOS and signal the main thread */

    *(pad_data->eos_count_ptr) += 1;

    GST_DEBUG ("EOS on pad %u", pad_data->pad_num);

    g_cond_broadcast (pad_data->cond);

    g_mutex_unlock (pad_data->mutex);

  }

  gst_event_unref (event);

  return TRUE;

}

static void

run_output_order_test (gint n_linked)

{

  /* This test creates a multiqueue with 2 linked output, and 3 outputs that 

   * return 'not-linked' when data is pushed, then verifies that all buffers 

   * are received on not-linked pads only after earlier buffers on the 

   * 'linked' pads are made */

  GstElement *pipe;

  GstElement *mq;

  GstPad *inputpads[5];

  GstPad *sinkpads[5];

  struct PadData pad_data[5];

  guint32 max_linked_id;

  guint32 eos_seen;

  GMutex *mutex;

  GCond *cond;

  gint i;

  const gint NPADS = 5;

  const gint NBUFFERS = 1000;

  mutex = g_mutex_new ();

  cond = g_cond_new ();

  pipe = gst_bin_new ("testbin");

  mq = gst_element_factory_make ("multiqueue", NULL);

  fail_unless (mq != NULL);

  TEST_ASSERT_FAIL

  gst_bin_add (GST_BIN (pipe), mq);

  /* No limits */

  g_object_set (mq,

      "max-size-bytes", (guint) 0,

      "max-size-buffers", (guint) 0,

      "max-size-time", (guint64) 0,

      "extra-size-bytes", (guint) 0,

      "extra-size-buffers", (guint) 0, "extra-size-time", (guint64) 0, NULL);

  /* Construct NPADS dummy output pads. The first 'n_linked' return FLOW_OK, the rest

   * return NOT_LINKED. The not-linked ones check the expected ordering of 

   * output buffers */

  for (i = 0; i < NPADS; i++) {

    GstPad *mq_srcpad, *mq_sinkpad;

    gchar *name;

    name = g_strdup_printf ("dummysrc%d", i);

    inputpads[i] = gst_pad_new (name, GST_PAD_SRC);

    g_free (name);

    gst_pad_set_getcaps_function (inputpads[i], mq_dummypad_getcaps);

    mq_sinkpad = gst_element_get_request_pad (mq, "sink%d");

    fail_unless (mq_sinkpad != NULL);

    TEST_ASSERT_FAIL

    gst_pad_link (inputpads[i], mq_sinkpad);

    gst_pad_set_active (inputpads[i], TRUE);

    mq_srcpad = mq_sinkpad_to_srcpad (mq, mq_sinkpad);

    name = g_strdup_printf ("dummysink%d", i);

    sinkpads[i] = gst_pad_new (name, GST_PAD_SINK);

    g_free (name);

    gst_pad_set_chain_function (sinkpads[i], mq_dummypad_chain);

    gst_pad_set_event_function (sinkpads[i], mq_dummypad_event);

    gst_pad_set_getcaps_function (sinkpads[i], mq_dummypad_getcaps);

    pad_data[i].pad_num = i;

    pad_data[i].max_linked_id_ptr = &max_linked_id;

    pad_data[i].eos_count_ptr = &eos_seen;

    pad_data[i].is_linked = (i < n_linked ? TRUE : FALSE);

    pad_data[i].n_linked = n_linked;

    pad_data[i].cond = cond;

    pad_data[i].mutex = mutex;

    pad_data[i].first_buf = TRUE;

    gst_pad_set_element_private (sinkpads[i], pad_data + i);

    gst_pad_link (mq_srcpad, sinkpads[i]);

    gst_pad_set_active (sinkpads[i], TRUE);

    gst_object_unref (mq_sinkpad);