tests: add a test for wav muxing

tests/check/Makefile.am

@@ -143,6 +143,7 @@ check_PROGRAMS = \
 	elements/y4menc \
 	pipelines/simple-launch-lines \
 	pipelines/effectv \
+	pipelines/wavenc \
 	$(check_flac) \
 	$(check_gdkpixbuf) \
         $(check_jpeg) \
@@ -236,6 +237,9 @@ elements_gdkpixbufsink_LDADD = \
 	$(LDADD) $(GDK_PIXBUF_LIBS)
 
 
+pipelines_wavenc_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
+pipelines_wavenc_LDADD  = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) $(LDADD)
+
 pipelines_wavpack_LDADD = $(LDADD) $(GST_BASE_LIBS)
 pipelines_wavpack_CFLAGS = $(GST_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
 

tests/check/pipelines/.gitignore

@@ -2,5 +2,6 @@
 effectv
 flacdec
 simple-launch-lines
+wavenc
 wavpack
 *.check.xml

tests/check/pipelines/wavenc.c

@@ -0,0 +1,178 @@
+/* GStreamer
+ *
+ * unit test for wavenc
+ *
+ * Copyright (C) <2010> Stefan Kost <ensonic@users.sf.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>
+
+static gboolean
+bus_handler (GstBus * bus, GstMessage * message, gpointer data)
+{
+  GMainLoop *loop = (GMainLoop *) data;
+
+  switch (message->type) {
+    case GST_MESSAGE_EOS:
+      g_main_loop_quit (loop);
+      break;
+    case GST_MESSAGE_WARNING:
+    case GST_MESSAGE_ERROR:{
+      GError *gerror;
+      gchar *debug;
+
+      gst_message_parse_error (message, &gerror, &debug);
+      gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
+      gst_message_unref (message);
+      g_error_free (gerror);
+      g_free (debug);
+      g_main_loop_quit (loop);
+      break;
+    }
+    default:
+      break;
+  }
+
+  return TRUE;
+}
+
+/*
+ * gst-launch \
+ * audiotestsrc freq=440 num-buffers=100 ! interleave name=i ! wavenc ! filesink location=/tmp/mc.wav \
+ * audiotestsrc freq=880 num-buffers=100 ! i.
+ * ...
+ *
+ * http://www.microsoft.com/whdc/device/audio/multichaud.mspx
+ */
+
+static void
+make_n_channel_wav (const gint channels, const GValueArray * arr)
+{
+  GstElement *pipeline;
+  GstElement *audiotestsrc[channels], *interleave, *wavenc, *fakesink;
+  GstBus *bus;
+  GMainLoop *loop;
+  guint i;
+
+  pipeline = gst_pipeline_new ("pipeline");
+  fail_unless (pipeline != NULL);
+
+  interleave = gst_element_factory_make ("interleave", NULL);
+  fail_unless (interleave != NULL);
+  g_object_set (interleave, "channel-positions", arr, NULL);
+  gst_bin_add (GST_BIN (pipeline), interleave);
+
+  wavenc = gst_element_factory_make ("wavenc", NULL);
+  fail_unless (wavenc != NULL);
+  gst_bin_add (GST_BIN (pipeline), wavenc);
+  fail_unless (gst_element_link (interleave, wavenc));
+
+  fakesink = gst_element_factory_make ("fakesink", NULL);
+  fail_unless (fakesink != NULL);
+  gst_bin_add (GST_BIN (pipeline), fakesink);
+  fail_unless (gst_element_link (wavenc, fakesink));
+
+  for (i = 0; i < channels; i++) {
+    audiotestsrc[i] = gst_element_factory_make ("audiotestsrc", NULL);
+    fail_unless (audiotestsrc[i] != NULL);
+    g_object_set (G_OBJECT (audiotestsrc[i]), "wave", 0, "freq", 440.0 * i,
+        "num-buffers", 100, NULL);
+    gst_bin_add (GST_BIN (pipeline), audiotestsrc[i]);
+    fail_unless (gst_element_link (audiotestsrc[i], interleave));
+  }
+
+  loop = g_main_loop_new (NULL, TRUE);
+  fail_unless (loop != NULL);
+
+  bus = gst_element_get_bus (pipeline);
+  fail_unless (bus != NULL);
+  gst_bus_add_watch (bus, bus_handler, loop);
+  gst_object_unref (bus);
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+  g_main_loop_run (loop);
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+}
+
+GST_START_TEST (test_encode_stereo)
+{
+  GValueArray *arr;
+  GValue val = { 0, };
+
+  arr = g_value_array_new (2);
+  g_value_init (&val, GST_TYPE_AUDIO_CHANNEL_POSITION);
+  g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT);
+  g_value_array_append (arr, &val);
+  g_value_reset (&val);
+  g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT);
+  g_value_array_append (arr, &val);
+  g_value_unset (&val);
+
+  make_n_channel_wav (2, arr);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_encode_multichannel)
+{
+  GValueArray *arr;
+  GValue val = { 0, };
+
+  arr = g_value_array_new (6);
+  g_value_init (&val, GST_TYPE_AUDIO_CHANNEL_POSITION);
+  g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT);
+  g_value_array_append (arr, &val);
+  g_value_reset (&val);
+  g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT);
+  g_value_array_append (arr, &val);
+  g_value_reset (&val);
+  g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER);
+  g_value_array_append (arr, &val);
+  g_value_reset (&val);
+  g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_LFE);
+  g_value_array_append (arr, &val);
+  g_value_reset (&val);
+  g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_REAR_LEFT);
+  g_value_array_append (arr, &val);
+  g_value_reset (&val);
+  g_value_set_enum (&val, GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT);
+  g_value_array_append (arr, &val);
+  g_value_unset (&val);
+
+  make_n_channel_wav (6);
+}
+
+GST_END_TEST;
+
+
+static Suite *
+wavenc_suite (void)
+{
+  Suite *s = suite_create ("wavenc");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_encode_stereo);
+  /* FIXME: improve wavenc
+     tcase_add_test (tc_chain, test_encode_multichannel);
+   */
+
+  return s;
+}
+
+GST_CHECK_MAIN (wavenc);