/* GStreamer

 * Copyright (C) 2005 Andy Wingo <wingo@pobox.com>

 *

 * simple_launch_lines.c: Unit test for simple pipelines

 *

 * 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.

 */

#include <gst/check/gstcheck.h>

#include <gst/audio/audio-format.h>

#ifndef GST_DISABLE_PARSE

static GstElement *

setup_pipeline (const gchar * pipe_descr)

{

  GstElement *pipeline;

  GST_LOG ("pipeline: %s", pipe_descr);

  pipeline = gst_parse_launch (pipe_descr, NULL);

  g_return_val_if_fail (GST_IS_PIPELINE (pipeline), NULL);

  return pipeline;

}

/* 

 * run_pipeline:

 * @pipe: the pipeline to run

 * @desc: the description for use in messages

 * @events: is a mask of expected events

 * @tevent: is the expected terminal event.

 *

 * the poll call will time out after half a second.

 */

static void

run_pipeline (GstElement * pipe, const gchar * descr,

    GstMessageType events, GstMessageType tevent)

{

  GstBus *bus;

  GstMessage *message;

  GstMessageType revent;

  GstStateChangeReturn ret;

  g_assert (pipe);

  bus = gst_element_get_bus (pipe);

  g_assert (bus);

  fail_if (gst_element_set_state (pipe, GST_STATE_PLAYING) ==

      GST_STATE_CHANGE_FAILURE, "Could not set pipeline %s to playing", descr);

  ret = gst_element_get_state (pipe, NULL, NULL, 10 * GST_SECOND);

  if (ret == GST_STATE_CHANGE_ASYNC) {

    g_critical ("Pipeline '%s' failed to go to PLAYING fast enough", descr);

    goto done;

  } else if (ret != GST_STATE_CHANGE_SUCCESS) {

    g_critical ("Pipeline '%s' failed to go into PLAYING state", descr);

    goto done;

  }

  while (1) {

    message = gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 2);

    /* always have to pop the message before getting back into poll */

    if (message) {

      revent = GST_MESSAGE_TYPE (message);

      gst_message_unref (message);

    } else {

      revent = GST_MESSAGE_UNKNOWN;

    }

    if (revent == tevent) {

      break;

    } else if (revent == GST_MESSAGE_UNKNOWN) {

      g_critical ("Unexpected timeout in gst_bus_poll, looking for %d: %s",

          tevent, descr);

      break;

    } else if (revent & events) {

      continue;

    }

    g_critical

        ("Unexpected message received of type %d, '%s', looking for %d: %s",

        revent, gst_message_type_get_name (revent), tevent, descr);

  }

done:

  fail_if (gst_element_set_state (pipe, GST_STATE_NULL) ==

      GST_STATE_CHANGE_FAILURE, "Could not set pipeline %s to NULL", descr);

  gst_element_get_state (pipe, NULL, NULL, GST_CLOCK_TIME_NONE);

  gst_object_unref (pipe);

  gst_bus_set_flushing (bus, TRUE);

  gst_object_unref (bus);

}

GST_START_TEST (test_element_negotiation)

{

  const gchar *s;

  /* Ensures that filtering buffers with unknown caps down to fixed-caps 

   * will apply those caps to the buffers.

   * see http://bugzilla.gnome.org/show_bug.cgi?id=315126 */

  s = "fakesrc num-buffers=2 ! "

      "audio/x-raw,format=" GST_AUDIO_NE (S16) ",rate=22050,channels=1 "

      "! audioconvert "

      "! audio/x-raw,format=" GST_AUDIO_NE (S16) ",rate=22050,channels=1 "

      "! fakesink";

  run_pipeline (setup_pipeline (s), s,

      GST_MESSAGE_ANY & ~(GST_MESSAGE_ERROR | GST_MESSAGE_WARNING),

      GST_MESSAGE_UNKNOWN);

#ifdef HAVE_LIBVISUAL

  s = "audiotestsrc num-buffers=30 ! tee name=t ! alsasink t. ! audioconvert ! "

      "libvisual_lv_scope ! videoconvert ! xvimagesink";

  run_pipeline (setup_pipeline (s), s,

      GST_MESSAGE_ANY & ~(GST_MESSAGE_ERROR | GST_MESSAGE_WARNING),

      GST_MESSAGE_UNKNOWN);

#endif

}

GST_END_TEST;

GST_START_TEST (test_basetransform_based)

{

  /* Each of these tests is to check whether various basetransform based 

   * elements can select output caps when not allowed to do passthrough 

   * and going to a generic sink such as fakesink or filesink */

  const gchar *s;

  /* Check that videoscale can pick a height given only a width */

  s = "videotestsrc num-buffers=2 ! "

      "video/x-raw,format=(string)I420,width=320,height=240 ! "

      "videoscale ! video/x-raw,width=640 ! fakesink";

  run_pipeline (setup_pipeline (s), s,

      GST_MESSAGE_ANY & ~(GST_MESSAGE_ERROR | GST_MESSAGE_WARNING),

      GST_MESSAGE_UNKNOWN);

  /* Test that videoconvert can pick an output format that isn't

   * passthrough without completely specified output caps */

  s = "videotestsrc num-buffers=2 ! "

      "video/x-raw,format=(string)I420,width=320,height=240 ! "

      "videoconvert ! video/x-raw,format=(string)RGB ! fakesink";

  run_pipeline (setup_pipeline (s), s,

      GST_MESSAGE_ANY & ~(GST_MESSAGE_ERROR | GST_MESSAGE_WARNING),

      GST_MESSAGE_UNKNOWN);

  /* Check that audioresample can pick a samplerate to use from a

   * range that doesn't include the input */

  s = "audiotestsrc num-buffers=2 ! "

      "audio/x-raw,format=" GST_AUDIO_NE (S16) ",rate=8000 ! "

      "audioresample ! audio/x-raw,rate=[16000,48000] ! fakesink";

  run_pipeline (setup_pipeline (s), s,

      GST_MESSAGE_ANY & ~(GST_MESSAGE_ERROR | GST_MESSAGE_WARNING),

      GST_MESSAGE_UNKNOWN);

  /* Check that audioconvert can pick a depth to use, given a width */

  s = "audiotestsrc num-buffers=30 ! audio/x-raw,format=" GST_AUDIO_NE (S16)

      " ! audioconvert ! " "audio/x-raw,format=" GST_AUDIO_NE (S32)

      " ! fakesink";

  run_pipeline (setup_pipeline (s), s,

      GST_MESSAGE_ANY & ~(GST_MESSAGE_ERROR | GST_MESSAGE_WARNING),

      GST_MESSAGE_UNKNOWN);

  /* Check that videoscale doesn't claim to be able to transform input in

   * formats it can't handle for a given scaling method; videoconvert

   * should then make sure a format that can be handled is chosen (4-tap

   * scaling is not implemented for RGB and packed yuv currently) */

  s = "videotestsrc num-buffers=2 ! video/x-raw,format=(string)ARGB64 ! "

      "videoconvert ! videoscale method=4-tap ! videoconvert ! "

      "video/x-raw,format=(string)RGB, width=32,height=32,framerate=(fraction)30/1,"

      "pixel-aspect-ratio=(fraction)1/1 ! fakesink";

  run_pipeline (setup_pipeline (s), s,

      GST_MESSAGE_ANY & ~(GST_MESSAGE_ERROR | GST_MESSAGE_WARNING),

      GST_MESSAGE_UNKNOWN);

  s = "videotestsrc num-buffers=2 ! video/x-raw,format=(string)AYUV,"

      "width=64,height=64 ! videoconvert ! videoscale method=4-tap ! "

      "videoconvert ! video/x-raw,format=(string)AYUV,width=32,"

      "height=32 ! fakesink";

  run_pipeline (setup_pipeline (s), s,

      GST_MESSAGE_ANY & ~(GST_MESSAGE_ERROR | GST_MESSAGE_WARNING),

      GST_MESSAGE_UNKNOWN);

  /* make sure nothing funny happens in passthrough mode (we don't check that

   * passthrough mode is chosen though) */

  s = "videotestsrc num-buffers=2 ! video/x-raw,format=(string)I420,"

      "width=64,height=64 ! videoconvert ! videoscale method=4-tap ! "

      "videoconvert ! video/x-raw,format=(string)I420,width=32,"

      "height=32 ! fakesink";

  run_pipeline (setup_pipeline (s), s,

      GST_MESSAGE_ANY & ~(GST_MESSAGE_ERROR | GST_MESSAGE_WARNING),

      GST_MESSAGE_UNKNOWN);

}

GST_END_TEST;

#endif /* #ifndef GST_DISABLE_PARSE */

static Suite *

simple_launch_lines_suite (void)

{

  Suite *s = suite_create ("Pipelines");

  TCase *tc_chain = tcase_create ("linear");

  /* time out after 60s, not the default 3 */

  tcase_set_timeout (tc_chain, 60);

  suite_add_tcase (s, tc_chain);

#ifndef GST_DISABLE_PARSE

  tcase_add_test (tc_chain, test_element_negotiation);

  tcase_add_test (tc_chain, test_basetransform_based);

#endif

  return s;

}

GST_CHECK_MAIN (simple_launch_lines);