gstreamer/subprojects/gst-plugins-good/tests/check/pipelines/wavenc.c

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/* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
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*/
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/* FIXME 0.11: suppress warnings for deprecated API such as GValueArray
* with newer GLib versions (>= 2.31.0) */
#define GLIB_DISABLE_DEPRECATION_WARNINGS
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#include <gst/check/gstcheck.h>
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#include <gst/audio/audio.h>
#include <gst/audio/audio-enumtypes.h>
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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-1.0 \
* audiotestsrc freq=440 num-buffers=100 ! interleave name=i ! audioconvert ! wavenc ! filesink location=/tmp/mc.wav \
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* 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, *interleave, *wavenc, *conv, *fakesink;
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GstBus *bus;
GMainLoop *loop;
guint i;
guint bus_watch = 0;
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audiotestsrc = g_new0 (GstElement *, channels);
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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);
if (G_BYTE_ORDER == G_BIG_ENDIAN) {
/* we're not here to test orc; audioconvert misbehaves on ppc32 */
g_setenv ("ORC_CODE", "backup", 1);
conv = gst_element_factory_make ("audioconvert", NULL);
} else {
conv = gst_element_factory_make ("identity", NULL);
}
fail_unless (conv != NULL);
gst_bin_add (GST_BIN (pipeline), conv);
fail_unless (gst_element_link (interleave, conv));
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wavenc = gst_element_factory_make ("wavenc", NULL);
fail_unless (wavenc != NULL);
gst_bin_add (GST_BIN (pipeline), wavenc);
fail_unless (gst_element_link (conv, wavenc));
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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 + 1), "num-buffers", 100, NULL);
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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);
bus_watch = gst_bus_add_watch (bus, bus_handler, loop);
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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_object_unref (pipeline);
g_free (audiotestsrc);
g_main_loop_unref (loop);
g_source_remove (bus_watch);
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}
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);
g_value_array_free (arr);
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}
GST_END_TEST;
#if 0
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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;
#endif
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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);