check: add basic unit test for flvdemux

In particular, test re-use of flvdemux in both pull and push mode
(see #583030).

tests/check/Makefile.am

@@ -100,6 +100,7 @@ check_PROGRAMS = \
 	elements/avisubtitle \
 	elements/deinterleave \
 	elements/equalizer \
+	elements/flvdemux \
 	elements/icydemux \
 	elements/id3demux \
 	elements/interleave \

tests/check/elements/.gitignore

@@ -21,6 +21,7 @@ cmmlenc
 deinterleave
 equalizer
 gdkpixbufsink
+flvdemux
 icydemux
 id3demux
 id3v2mux

tests/check/elements/flvdemux.c

@@ -0,0 +1,184 @@
+/* GStreamer unit tests for flvdemux
+ *
+ * Copyright (C) 2009 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>
+
+static void
+pad_added_cb (GstElement * flvdemux, GstPad * pad, GstBin * pipeline)
+{
+  GstElement *sink;
+
+  sink = gst_bin_get_by_name (pipeline, "fakesink");
+  fail_unless (gst_element_link (flvdemux, sink));
+  gst_object_unref (sink);
+
+  gst_element_set_state (sink, GST_STATE_PAUSED);
+}
+
+static GstBusSyncReply
+error_cb (GstBus * bus, GstMessage * msg, gpointer user_data)
+{
+  if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) {
+    const gchar *file = (const gchar *) user_data;
+    GError *err = NULL;
+    gchar *dbg = NULL;
+
+    gst_message_parse_error (msg, &err, &dbg);
+    g_error ("ERROR for %s: %s\n%s\n", file, err->message, dbg);
+  }
+
+  return GST_BUS_PASS;
+}
+
+static void
+handoff_cb (GstElement * element, GstBuffer * buf, GstPad * pad,
+    gint * p_counter)
+{
+  *p_counter += 1;
+  GST_LOG ("counter = %d", *p_counter);
+
+  fail_unless (GST_BUFFER_CAPS (buf) != NULL);
+}
+
+static void
+process_file (const gchar * file, gboolean push_mode, gint repeat,
+    gint num_buffers)
+{
+  GstElement *src, *sep, *sink, *flvdemux, *pipeline;
+  GstBus *bus;
+  gchar *path;
+  gint counter;
+
+  pipeline = gst_pipeline_new ("pipeline");
+  fail_unless (pipeline != NULL, "Failed to create pipeline!");
+
+  bus = gst_element_get_bus (pipeline);
+
+  /* kids, don't use a sync handler for this at home, really; we do because
+   * we just want to abort and nothing else */
+  gst_bus_set_sync_handler (bus, error_cb, (gpointer) file);
+
+  src = gst_element_factory_make ("filesrc", "filesrc");
+  fail_unless (src != NULL, "Failed to create 'filesrc' element!");
+
+  if (push_mode) {
+    sep = gst_element_factory_make ("queue", "queue");
+    fail_unless (sep != NULL, "Failed to create 'queue' element");
+  } else {
+    sep = gst_element_factory_make ("identity", "identity");
+    fail_unless (sep != NULL, "Failed to create 'identity' element");
+  }
+
+  flvdemux = gst_element_factory_make ("flvdemux", "flvdemux");
+  fail_unless (flvdemux != NULL, "Failed to create 'flvdemux' element!");
+
+  sink = gst_element_factory_make ("fakesink", "fakesink");
+  fail_unless (sink != NULL, "Failed to create 'fakesink' element!");
+
+  g_object_set (sink, "signal-handoffs", TRUE, NULL);
+  g_signal_connect (sink, "handoff", G_CALLBACK (handoff_cb), &counter);
+
+  gst_bin_add_many (GST_BIN (pipeline), src, sep, flvdemux, sink, NULL);
+
+  fail_unless (gst_element_link (src, sep));
+  fail_unless (gst_element_link (sep, flvdemux));
+
+  /* can't link flvdemux and sink yet, do that later */
+  g_signal_connect (flvdemux, "pad-added", G_CALLBACK (pad_added_cb), pipeline);
+
+  path = g_build_filename (GST_TEST_FILES_PATH, file, NULL);
+  GST_LOG ("processing file '%s'", path);
+  g_object_set (src, "location", path, NULL);
+
+  do {
+    GstStateChangeReturn state_ret;
+    GstMessage *msg;
+
+    GST_LOG ("repeat=%d", repeat);
+
+    counter = 0;
+
+    state_ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
+    fail_unless (state_ret != GST_STATE_CHANGE_FAILURE);
+
+    if (state_ret == GST_STATE_CHANGE_ASYNC) {
+      GST_LOG ("waiting for pipeline to reach PAUSED state");
+      state_ret = gst_element_get_state (pipeline, NULL, NULL, -1);
+      fail_unless_equals_int (state_ret, GST_STATE_CHANGE_SUCCESS);
+    }
+
+    GST_LOG ("PAUSED, let's read all of it");
+
+    state_ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
+    fail_unless (state_ret != GST_STATE_CHANGE_FAILURE);
+
+    msg = gst_bus_poll (bus, GST_MESSAGE_EOS, -1);
+    fail_unless (msg != NULL, "Expected EOS message on bus! (%s)", file);
+
+    gst_message_unref (msg);
+
+    if (num_buffers >= 0) {
+      fail_unless_equals_int (counter, num_buffers);
+    }
+
+    fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_NULL),
+        GST_STATE_CHANGE_SUCCESS);
+
+    --repeat;
+  } while (repeat > 0);
+
+  gst_object_unref (bus);
+  gst_object_unref (pipeline);
+
+  g_free (path);
+}
+
+GST_START_TEST (test_reuse_pull)
+{
+  process_file ("pcm16sine.flv", FALSE, 3, 129);
+  gst_task_cleanup_all ();
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_reuse_push)
+{
+  process_file ("pcm16sine.flv", TRUE, 3, 129);
+  gst_task_cleanup_all ();
+}
+
+GST_END_TEST;
+
+static Suite *
+flvdemux_suite (void)
+{
+  Suite *s = suite_create ("flvdemux");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_reuse_push);
+  tcase_add_test (tc_chain, test_reuse_pull);
+
+  return s;
+}
+
+GST_CHECK_MAIN (flvdemux)

tests/files/Makefile.am

@@ -5,6 +5,7 @@ EXTRA_DIST = \
 	id3-407349-2.tag \
 	id3-447000-wcop.tag \
 	id3-577468-unsynced-tag.tag \
+	pcm16sine.flv \
 	test-cert.pem \
 	test-key.pem