tests: Add AAF payloader tests

This patch adds the infrastructure to test AVTP plugin elements. It also
adds a test case to check avtpaafpay element basic functionality. The
test consists in setting the element sink caps and properties, and
verifying if the output buffer is set as expected.

tests/check/Makefile.am

@@ -39,6 +39,12 @@ else
 check_assrender =
 endif
 
+if USE_AVTP
+check_avtp = elements/avtpaafpay
+else
+check_avtp =
+endif
+
 if USE_PANGO
 check_closedcaption = elements/ccconverter elements/cccombiner elements/ccextractor elements/line21
 else
@@ -252,6 +258,7 @@ noinst_PROGRAMS = \
 check_PROGRAMS = \
 	generic/states \
 	$(check_assrender) \
+	$(check_avtp) \
 	$(check_closedcaption) \
 	$(check_dash) \
 	$(check_dtls) \
@@ -497,6 +504,9 @@ elements_kate_LDADD = $(GST_BASE_LIBS) $(LDADD)
 elements_assrender_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(AM_CFLAGS)
 elements_assrender_LDADD = $(GST_PLUGINS_BASE_LIBS) $(GST_VIDEO_LIBS) -lgstapp-$(GST_API_VERSION) $(GST_BASE_LIBS) $(LDADD)
 
+elements_avtpaafpay_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(AM_CFLAGS) $(AVTP_CFLAGS)
+elements_avtpaafpay_LDADD = $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(LDADD) $(AVTP_LIBS)
+
 elements_mpegtsmux_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(AM_CFLAGS)
 elements_mpegtsmux_LDADD = $(GST_PLUGINS_BASE_LIBS) $(GST_VIDEO_LIBS) $(GST_BASE_LIBS) $(LDADD)
 

tests/check/elements/avtpaafpay.c

@@ -0,0 +1,131 @@
+/*
+ * GStreamer AVTP Plugin
+ * Copyright (C) 2019 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ */
+
+#include <avtp.h>
+#include <avtp_aaf.h>
+#include <gst/check/gstcheck.h>
+#include <gst/check/gstharness.h>
+
+static GstHarness *
+setup_harness (void)
+{
+  GstHarness *h;
+
+  h = gst_harness_new_parse
+      ("avtpaafpay streamid=0xDEADC0DEDEADC0DE mtt=1000000 tu=1000000 processing-deadline=1000000 tstamp-mode=normal");
+  gst_harness_set_src_caps_str (h,
+      "audio/x-raw,format=S16BE,rate=48000,channels=2,layout=interleaved");
+
+  return h;
+}
+
+GST_START_TEST (test_buffer)
+{
+  GstHarness *h;
+  GstBuffer *in, *out;
+  GstMapInfo info;
+  struct avtp_stream_pdu pdu = { 0 };
+  const int DATA_LEN = 4;
+
+  avtp_aaf_pdu_init (&pdu);
+  avtp_aaf_pdu_set (&pdu, AVTP_AAF_FIELD_TV, 1);
+  avtp_aaf_pdu_set (&pdu, AVTP_AAF_FIELD_STREAM_ID, 0xDEADC0DEDEADC0DE);
+  avtp_aaf_pdu_set (&pdu, AVTP_AAF_FIELD_FORMAT, AVTP_AAF_FORMAT_INT_16BIT);
+  avtp_aaf_pdu_set (&pdu, AVTP_AAF_FIELD_NSR, AVTP_AAF_PCM_NSR_48KHZ);
+  avtp_aaf_pdu_set (&pdu, AVTP_AAF_FIELD_CHAN_PER_FRAME, 2);
+  avtp_aaf_pdu_set (&pdu, AVTP_AAF_FIELD_BIT_DEPTH, 16);
+  avtp_aaf_pdu_set (&pdu, AVTP_AAF_FIELD_SP, AVTP_AAF_PCM_SP_NORMAL);
+  avtp_aaf_pdu_set (&pdu, AVTP_AAF_FIELD_TIMESTAMP, 4000000);
+  avtp_aaf_pdu_set (&pdu, AVTP_AAF_FIELD_STREAM_DATA_LEN, DATA_LEN);
+
+  h = setup_harness ();
+  in = gst_harness_create_buffer (h, DATA_LEN);
+  GST_BUFFER_PTS (in) = 1000000;
+  out = gst_harness_push_and_pull (h, in);
+
+  fail_unless (gst_buffer_get_size (out) ==
+      sizeof (struct avtp_stream_pdu) + DATA_LEN);
+  fail_unless (GST_BUFFER_PTS (in) == GST_BUFFER_PTS (out));
+  gst_buffer_map (out, &info, GST_MAP_READ);
+  fail_unless (memcmp (info.data, &pdu, sizeof (struct avtp_stream_pdu)) == 0);
+  gst_buffer_unmap (out, &info);
+
+  gst_buffer_unref (out);
+  gst_harness_teardown (h);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_properties)
+{
+  GstHarness *h;
+  guint val_uint;
+  guint64 val_uint64;
+  GstElement *element;
+  const guint64 streamid = 0xAABBCCDDEEFF0001;
+  const guint64 processing_deadline = 20000000;
+  const guint tstamp_mode = 0;
+  const guint mtt = 11111111;
+  const guint tu = 22222222;
+
+  h = setup_harness ();
+  element = gst_harness_find_element (h, "avtpaafpay");
+
+  g_object_set (G_OBJECT (element), "streamid", streamid, NULL);
+  g_object_get (G_OBJECT (element), "streamid", &val_uint64, NULL);
+  fail_unless (val_uint64 == streamid);
+
+  g_object_set (G_OBJECT (element), "mtt", mtt, NULL);
+  g_object_get (G_OBJECT (element), "mtt", &val_uint, NULL);
+  fail_unless (val_uint == mtt);
+
+  g_object_set (G_OBJECT (element), "tu", tu, NULL);
+  g_object_get (G_OBJECT (element), "tu", &val_uint, NULL);
+  fail_unless (val_uint == tu);
+
+  g_object_set (G_OBJECT (element), "tstamp-mode", tstamp_mode, NULL);
+  g_object_get (G_OBJECT (element), "tstamp-mode", &val_uint, NULL);
+  fail_unless (val_uint == tstamp_mode);
+
+  g_object_set (G_OBJECT (element), "processing-deadline", processing_deadline,
+      NULL);
+  g_object_get (G_OBJECT (element), "processing-deadline", &val_uint64, NULL);
+  fail_unless (val_uint64 == processing_deadline);
+
+  gst_harness_teardown (h);
+}
+
+GST_END_TEST;
+
+static Suite *
+avtpaafpay_suite (void)
+{
+  Suite *s = suite_create ("avtpaafpay");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_buffer);
+  tcase_add_test (tc_chain, test_properties);
+
+  return s;
+}
+
+GST_CHECK_MAIN (avtpaafpay);

tests/check/meson.build

@@ -70,6 +70,7 @@ base_tests = [
 if host_machine.system() != 'windows'
   base_tests += [
     [['elements/assrender.c'], not ass_dep.found(), [ass_dep]],
+    [['elements/avtpaafpay.c'], not avtp_dep.found(), [avtp_dep]],
     [['elements/ccconverter.c']],
     [['elements/cccombiner.c']],
     [['elements/ccextractor.c']],