1 /* GStreamer unit tests for decodebin

     2  *

     3  * Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>

     4  *

     5  * This library is free software; you can redistribute it and/or

     6  * modify it under the terms of the GNU Library General Public

     7  * License as published by the Free Software Foundation; either

     8  * version 2 of the License, or (at your option) any later version.

     9  *

    10  * This library is distributed in the hope that it will be useful,

    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13  * Library General Public License for more details.

    14  *

    15  * You should have received a copy of the GNU Library General Public

    16  * License along with this library; if not, write to the

    17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    18  * Boston, MA 02111-1307, USA.

    19  */

    20 

    21 #ifdef HAVE_CONFIG_H

    22 # include <config.h>

    23 #endif

    24 

    25 #include <gst/check/gstcheck.h>

    26 #include <unistd.h>

    27 

    28 static const gchar dummytext[] =

    29     "Quick Brown Fox Jumps over a Lazy Frog Quick Brown "

    30     "Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick "

    31     "Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog "

    32     "Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy "

    33     "Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a "

    34     "Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps "

    35     "over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox "

    36     "jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown "

    37     "Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick "

    38     "Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog "

    39     "Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a Lazy "

    40     "Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps over a "

    41     "Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox Jumps "

    42     "over a Lazy Frog Quick Brown Fox Jumps over a Lazy Frog Quick Brown Fox ";

    43 

    44 static void

    45 src_handoff_cb (GstElement * src, GstBuffer * buf, GstPad * pad, gpointer data)

    46 {

    47   GST_BUFFER_DATA (buf) = (guint8 *) dummytext;

    48   GST_BUFFER_SIZE (buf) = sizeof (dummytext);

    49   GST_BUFFER_OFFSET (buf) = 0;

    50   GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_READONLY);

    51 }

    52 

    53 static void

    54 decodebin_new_decoded_pad_cb (GstElement * decodebin, GstPad * pad,

    55     gboolean last, gboolean * p_flag)

    56 {

    57   /* we should not be reached */

    58   fail_unless (decodebin == NULL, "new-decoded-pad should not be emitted");

    59 }

    60 

    61 /* make sure that decodebin errors out instead of creating a new decoded pad

    62  * if the entire stream is a plain text file */

    63 GST_START_TEST (test_text_plain_streams)

    64 {

    65   GstElement *pipe, *src, *decodebin;

    66   GstMessage *msg;

    67 

    68   pipe = gst_pipeline_new (NULL);

    69   fail_unless (pipe != NULL, "failed to create pipeline");

    70 

    71   src = gst_element_factory_make ("fakesrc", "src");

    72   fail_unless (src != NULL, "Failed to create fakesrc element");

    73 

    74   g_object_set (src, "signal-handoffs", TRUE, NULL);

    75   g_object_set (src, "num-buffers", 1, NULL);

    76   g_object_set (src, "can-activate-pull", FALSE, NULL);

    77   g_signal_connect (src, "handoff", G_CALLBACK (src_handoff_cb), NULL);

    78 

    79   decodebin = gst_element_factory_make ("decodebin", "decodebin");

    80   fail_unless (decodebin != NULL, "Failed to create decodebin element");

    81 

    82   g_signal_connect (decodebin, "new-decoded-pad",

    83       G_CALLBACK (decodebin_new_decoded_pad_cb), NULL);

    84 

    85   fail_unless (gst_bin_add (GST_BIN (pipe), src));

    86   fail_unless (gst_bin_add (GST_BIN (pipe), decodebin));

    87   fail_unless (gst_element_link (src, decodebin), "can't link src<->decodebin");

    88 

    89   fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_READY),

    90       GST_STATE_CHANGE_SUCCESS);

    91   /* it's push-based, so should be async */

    92   fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_PAUSED),

    93       GST_STATE_CHANGE_ASYNC);

    94 

    95   /* it should error out at some point */

    96   msg = gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, -1);

    97   fail_unless (msg != NULL);

    98   fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);

    99   gst_message_unref (msg);

   100 

   101   gst_element_set_state (pipe, GST_STATE_NULL);

   102   gst_object_unref (pipe);

   103 }

   104 

   105 GST_END_TEST;

   106 

   107 static void

   108 new_decoded_pad_plug_fakesink_cb (GstElement * decodebin, GstPad * srcpad,

   109     gboolean last, GstElement * pipeline)

   110 {

   111   GstElement *sink;

   112   GstPad *sinkpad;

   113 

   114   sink = gst_element_factory_make ("fakesink", "sink");

   115   fail_unless (sink != NULL, "Failed to create fakesink element");

   116 

   117   gst_bin_add (GST_BIN (pipeline), sink);

   118 

   119   sinkpad = gst_element_get_static_pad (sink, "sink");

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

   121   gst_object_unref (sinkpad);

   122 

   123   gst_element_set_state (sink, GST_STATE_PLAYING);

   124 }

   125 

   126 GST_START_TEST (test_reuse_without_decoders)

   127 {

   128   GstElement *pipe, *src, *decodebin, *sink;

   129 

   130   pipe = gst_pipeline_new (NULL);

   131   fail_unless (pipe != NULL, "failed to create pipeline");

   132 

   133   src = gst_element_factory_make ("audiotestsrc", "src");

   134   fail_unless (src != NULL, "Failed to create audiotestsrc element");

   135 

   136   decodebin = gst_element_factory_make ("decodebin", "decodebin");

   137   fail_unless (decodebin != NULL, "Failed to create decodebin element");

   138 

   139   g_signal_connect (decodebin, "new-decoded-pad",

   140       G_CALLBACK (new_decoded_pad_plug_fakesink_cb), pipe);

   141 

   142   fail_unless (gst_bin_add (GST_BIN (pipe), src));

   143   fail_unless (gst_bin_add (GST_BIN (pipe), decodebin));

   144   fail_unless (gst_element_link (src, decodebin), "can't link src<->decodebin");

   145 

   146   fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_READY),

   147       GST_STATE_CHANGE_SUCCESS);

   148   /* it's push-based, so should be async */

   149   fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_PAUSED),

   150       GST_STATE_CHANGE_ASYNC);

   151 

   152   /* wait for state change to complete */

   153   fail_unless_equals_int (gst_element_get_state (pipe, NULL, NULL, -1),

   154       GST_STATE_CHANGE_SUCCESS);

   155 

   156   /* there shouldn't be any errors */

   157   fail_if (gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, 0) != NULL);

   158 

   159   /* reset */

   160   gst_element_set_state (pipe, GST_STATE_NULL);

   161 

   162   sink = gst_bin_get_by_name (GST_BIN (pipe), "sink");

   163   gst_bin_remove (GST_BIN (pipe), sink);

   164   gst_object_unref (sink);

   165 

   166   GST_LOG ("second try");

   167 

   168   fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_READY),

   169       GST_STATE_CHANGE_SUCCESS);

   170   /* it's push-based, so should be async */

   171   fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_PAUSED),

   172       GST_STATE_CHANGE_ASYNC);

   173 

   174   /* wait for state change to complete */

   175   fail_unless_equals_int (gst_element_get_state (pipe, NULL, NULL, -1),

   176       GST_STATE_CHANGE_SUCCESS);

   177 

   178   /* there shouldn't be any errors */

   179   fail_if (gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, 0) != NULL);

   180 

   181   gst_element_set_state (pipe, GST_STATE_NULL);

   182   gst_object_unref (pipe);

   183 }

   184 

   185 GST_END_TEST;

   186 

   187 static Suite *

   188 decodebin_suite (void)

   189 {

   190   Suite *s = suite_create ("decodebin");

   191   TCase *tc_chain = tcase_create ("general");

   192 

   193   suite_add_tcase (s, tc_chain);

   194   tcase_add_test (tc_chain, test_text_plain_streams);

   195   tcase_add_test (tc_chain, test_reuse_without_decoders);

   196 

   197   return s;

   198 }

   199 

   200 GST_CHECK_MAIN (decodebin);