gstreamer/tests/check/elements/volume.c
Thomas Vander Stichele 5f83aa7dfa expand tabs
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2005-12-06 19:42:02 +00:00

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C

/* GStreamer
*
* unit test for volume
*
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
*
* 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 <unistd.h>
#include <gst/check/gstcheck.h>
GList *buffers = NULL;
gboolean have_eos = FALSE;
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
GstPad *mysrcpad, *mysinkpad;
#define VOLUME_CAPS_TEMPLATE_STRING \
"audio/x-raw-int, " \
"channels = (int) [ 1, MAX ], " \
"rate = (int) [ 1, MAX ], " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 16, " \
"depth = (int) 16, " \
"signed = (bool) TRUE"
#define VOLUME_CAPS_STRING \
"audio/x-raw-int, " \
"channels = (int) 1, " \
"rate = (int) 44100, " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 16, " \
"depth = (int) 16, " \
"signed = (bool) TRUE"
#define VOLUME_WRONG_CAPS_STRING \
"audio/x-raw-int, " \
"channels = (int) 1, " \
"rate = (int) 44100, " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 16, " \
"depth = (int) 16, " \
"signed = (bool) FALSE"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VOLUME_CAPS_TEMPLATE_STRING)
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VOLUME_CAPS_TEMPLATE_STRING)
);
GstElement *
setup_volume ()
{
GstElement *volume;
GST_DEBUG ("setup_volume");
volume = gst_check_setup_element ("volume");
mysrcpad = gst_check_setup_src_pad (volume, &srctemplate, NULL);
mysinkpad = gst_check_setup_sink_pad (volume, &sinktemplate, NULL);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
return volume;
}
void
cleanup_volume (GstElement * volume)
{
GST_DEBUG ("cleanup_volume");
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
gst_check_teardown_src_pad (volume);
gst_check_teardown_sink_pad (volume);
gst_check_teardown_element (volume);
}
GST_START_TEST (test_unity)
{
GstElement *volume;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gint16 in[2] = { 16384, -256 };
volume = setup_volume ();
fail_unless (gst_element_set_state (volume,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (4);
memcpy (GST_BUFFER_DATA (inbuffer), in, 4);
caps = gst_caps_from_string (VOLUME_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... but it ends up being collected on the global buffer list */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
fail_unless (inbuffer == outbuffer);
fail_unless (memcmp (GST_BUFFER_DATA (inbuffer), in, 4) == 0);
/* cleanup */
cleanup_volume (volume);
}
GST_END_TEST;
GST_START_TEST (test_half)
{
GstElement *volume;
GstBuffer *inbuffer;
GstBuffer *outbuffer;
GstCaps *caps;
gint16 in[2] = { 16384, -256 };
gint16 out[2] = { 8192, -128 };
volume = setup_volume ();
g_object_set (G_OBJECT (volume), "volume", 0.5, NULL);
fail_unless (gst_element_set_state (volume,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (4);
memcpy (GST_BUFFER_DATA (inbuffer), in, 4);
fail_unless (memcmp (GST_BUFFER_DATA (inbuffer), in, 4) == 0);
caps = gst_caps_from_string (VOLUME_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* FIXME: reffing the inbuffer should make the transformation not be
* inplace
gst_buffer_ref (inbuffer);
*/
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... but it ends up being modified inplace and
* collected on the global buffer list */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
fail_unless (inbuffer == outbuffer);
fail_unless (memcmp (GST_BUFFER_DATA (outbuffer), out, 4) == 0);
/* cleanup */
cleanup_volume (volume);
}
GST_END_TEST;
GST_START_TEST (test_double)
{
GstElement *volume;
GstBuffer *inbuffer;
GstBuffer *outbuffer;
GstCaps *caps;
gint16 in[2] = { 16384, -256 };
gint16 out[2] = { 32767, -512 }; /* notice the clamped sample */
volume = setup_volume ();
g_object_set (G_OBJECT (volume), "volume", 2.0, NULL);
fail_unless (gst_element_set_state (volume,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (4);
memcpy (GST_BUFFER_DATA (inbuffer), in, 4);
fail_unless (memcmp (GST_BUFFER_DATA (inbuffer), in, 4) == 0);
caps = gst_caps_from_string (VOLUME_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* FIXME: reffing the inbuffer should make the transformation not be
* inplace
gst_buffer_ref (inbuffer);
*/
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... but it ends up being modified inplace and
* collected on the global buffer list */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
fail_unless (inbuffer == outbuffer);
fail_unless (memcmp (GST_BUFFER_DATA (outbuffer), out, 4) == 0);
/* cleanup */
cleanup_volume (volume);
}
GST_END_TEST;
GST_START_TEST (test_wrong_caps)
{
GstElement *volume;
GstBuffer *inbuffer, *outbuffer;
gint16 in[2] = { 16384, -256 };
GstBus *bus;
GstMessage *message;
GstCaps *caps;
volume = setup_volume ();
bus = gst_bus_new ();
fail_unless (gst_element_set_state (volume,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (4);
memcpy (GST_BUFFER_DATA (inbuffer), in, 4);
caps = gst_caps_from_string (VOLUME_WRONG_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
gst_buffer_ref (inbuffer);
/* set a bus here so we avoid getting state change messages */
gst_element_set_bus (volume, bus);
/* pushing gives an error because it can't negotiate with wrong caps */
fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer),
GST_FLOW_NOT_NEGOTIATED);
/* ... and the buffer would have been lost if we didn't ref it ourselves */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
gst_buffer_unref (inbuffer);
fail_unless_equals_int (g_list_length (buffers), 0);
/* volume_set_caps should not have been called since basetransform caught
* the negotiation problem */
fail_if ((message = gst_bus_pop (bus)) != NULL);
/* cleanup */
gst_element_set_bus (volume, NULL);
gst_object_unref (GST_OBJECT (bus));
cleanup_volume (volume);
}
GST_END_TEST;
Suite *
volume_suite (void)
{
Suite *s = suite_create ("volume");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_unity);
tcase_add_test (tc_chain, test_half);
tcase_add_test (tc_chain, test_double);
tcase_add_test (tc_chain, test_wrong_caps);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = volume_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}