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tests/check/: Add unit tests for lpwsinc, testing fundamental functionality.
Original commit message from CVS: * tests/check/Makefile.am: * tests/check/elements/.cvsignore: * tests/check/elements/lpwsinc.c: (setup_lpwsinc), (cleanup_lpwsinc), (GST_START_TEST), (lpwsinc_suite), (main): Add unit tests for lpwsinc, testing fundamental functionality.
This commit is contained in:
Sebastian Dröge
parent
e8030a1356
commit
df9a09b7b6
388
tests/check/elements/audiowsinclimit.c
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388
tests/check/elements/audiowsinclimit.c
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/* GStreamer
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*
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* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
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*
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* lpwsinc.c: Unit test for the lpwsinc element
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include <gst/check/gstcheck.h>
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#include <math.h>
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/* For ease of programming we use globals to keep refs for our floating
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* src and sink pads we create; otherwise we always have to do get_pad,
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* get_peer, and then remove references in every test function */
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GstPad *mysrcpad, *mysinkpad;
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#define LPWSINC_CAPS_STRING \
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"audio/x-raw-float, " \
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"channels = (int) 1, " \
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"rate = (int) 44100, " \
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"endianness = (int) BYTE_ORDER, " \
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"width = (int) 64" \
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static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-float, "
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"channels = (int) 1, "
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"rate = (int) 44100, "
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"endianness = (int) BYTE_ORDER, " "width = (int) 64")
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);
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-float, "
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"channels = (int) 1, "
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"rate = (int) 44100, "
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"endianness = (int) BYTE_ORDER, " "width = (int) 64")
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);
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GstElement *
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setup_lpwsinc ()
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{
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GstElement *lpwsinc;
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GST_DEBUG ("setup_lpwsinc");
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lpwsinc = gst_check_setup_element ("lpwsinc");
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mysrcpad = gst_check_setup_src_pad (lpwsinc, &srctemplate, NULL);
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mysinkpad = gst_check_setup_sink_pad (lpwsinc, &sinktemplate, NULL);
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gst_pad_set_active (mysrcpad, TRUE);
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gst_pad_set_active (mysinkpad, TRUE);
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return lpwsinc;
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}
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void
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cleanup_lpwsinc (GstElement * lpwsinc)
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{
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GST_DEBUG ("cleanup_lpwsinc");
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g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
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g_list_free (buffers);
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buffers = NULL;
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gst_pad_set_active (mysrcpad, FALSE);
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gst_pad_set_active (mysinkpad, FALSE);
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gst_check_teardown_src_pad (lpwsinc);
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gst_check_teardown_sink_pad (lpwsinc);
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gst_check_teardown_element (lpwsinc);
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}
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/* Test if data containing only one frequency component
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* at 0 is preserved with lowpass mode and a cutoff
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* at rate/4 */
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GST_START_TEST (test_lp_0hz)
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{
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GstElement *lpwsinc;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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lpwsinc = setup_lpwsinc ();
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/* Set to lowpass */
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g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL);
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g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
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fail_unless (gst_element_set_state (lpwsinc,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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/* cutoff = sampling rate / 4, data = 0 */
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g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL);
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inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 128; i++)
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in[i] = 1.0;
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caps = gst_caps_from_string (LPWSINC_CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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res = (gdouble *) GST_BUFFER_DATA (outbuffer);
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for (i = 21; i < 128; i++) {
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fail_unless (res[i] <= 1.01
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&& res[i] >= 0.99, "res[%d] = %lf\n", i, res[i]);
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}
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rms = 0.0;
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for (i = 0; i < 128; i++)
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rms += res[i] * res[i];
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rms = sqrt (rms / 128.0);
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fail_unless (rms >= 0.9);
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/* cleanup */
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cleanup_lpwsinc (lpwsinc);
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}
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GST_END_TEST;
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/* Test if data containing only one frequency component
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* at rate/2 is erased with lowpass mode and a cutoff
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* at rate/4 */
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GST_START_TEST (test_lp_22050hz)
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{
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GstElement *lpwsinc;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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lpwsinc = setup_lpwsinc ();
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/* Set to lowpass */
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g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL);
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g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
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fail_unless (gst_element_set_state (lpwsinc,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL);
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inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 128; i += 2) {
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in[i] = 1.0;
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in[i + 1] = -1.0;
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}
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caps = gst_caps_from_string (LPWSINC_CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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res = (gdouble *) GST_BUFFER_DATA (outbuffer);
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for (i = 21; i < 128; i++) {
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fail_unless (res[i] <= 0.01
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&& res[i] >= -0.01, "res[%d] = %lf\n", i, res[i]);
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}
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rms = 0.0;
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for (i = 0; i < 128; i++)
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rms += res[i] * res[i];
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rms = sqrt (rms / 128.0);
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fail_unless (rms <= 0.05);
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/* cleanup */
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cleanup_lpwsinc (lpwsinc);
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}
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GST_END_TEST;
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/* Test if data containing only one frequency component
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* at 0 is erased with highpass mode and a cutoff
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* at rate/4 */
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GST_START_TEST (test_hp_0hz)
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{
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GstElement *lpwsinc;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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lpwsinc = setup_lpwsinc ();
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/* Set to highpass */
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g_object_set (G_OBJECT (lpwsinc), "mode", 1, NULL);
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g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
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fail_unless (gst_element_set_state (lpwsinc,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL);
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inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 128; i++)
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in[i] = 1.0;
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caps = gst_caps_from_string (LPWSINC_CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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res = (gdouble *) GST_BUFFER_DATA (outbuffer);
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for (i = 21; i < 128; i++) {
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fail_unless (res[i] <= 0.01
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&& res[i] >= -0.01, "res[%d] = %lf\n", i, res[i]);
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}
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rms = 0.0;
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for (i = 0; i < 128; i++)
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rms += res[i] * res[i];
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rms = sqrt (rms / 128.0);
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fail_unless (rms <= 0.05);
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/* cleanup */
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cleanup_lpwsinc (lpwsinc);
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}
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GST_END_TEST;
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/* Test if data containing only one frequency component
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* at rate/2 is preserved with highpass mode and a cutoff
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* at rate/4 */
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GST_START_TEST (test_hp_22050hz)
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{
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GstElement *lpwsinc;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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lpwsinc = setup_lpwsinc ();
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/* Set to highpass */
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g_object_set (G_OBJECT (lpwsinc), "mode", 1, NULL);
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g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
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fail_unless (gst_element_set_state (lpwsinc,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL);
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inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 128; i += 2) {
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in[i] = 1.0;
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in[i + 1] = -1.0;
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}
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caps = gst_caps_from_string (LPWSINC_CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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res = (gdouble *) GST_BUFFER_DATA (outbuffer);
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for (i = 21; i < 128; i++) {
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fail_unless (abs (res[i]) <= 1.01
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&& abs (res[i]) >= 0.99, "res[%d] = %lf\n", i, res[i]);
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}
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rms = 0.0;
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for (i = 0; i < 128; i++)
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rms += res[i] * res[i];
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rms = sqrt (rms / 128.0);
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fail_unless (rms >= 0.9);
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/* cleanup */
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cleanup_lpwsinc (lpwsinc);
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}
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GST_END_TEST;
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/* Test if buffers smaller than the kernel size are handled
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* correctly without accessing wrong memory areas */
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GST_START_TEST (test_small_buffer)
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{
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GstElement *lpwsinc;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in;
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gdouble *res;
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gint i;
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lpwsinc = setup_lpwsinc ();
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/* Set to lowpass */
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g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL);
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g_object_set (G_OBJECT (lpwsinc), "length", 101, NULL);
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fail_unless (gst_element_set_state (lpwsinc,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL);
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inbuffer = gst_buffer_new_and_alloc (20 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 20; i++)
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in[i] = 1.0;
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caps = gst_caps_from_string (LPWSINC_CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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/* cleanup */
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cleanup_lpwsinc (lpwsinc);
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}
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GST_END_TEST;
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Suite *
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lpwsinc_suite (void)
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{
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Suite *s = suite_create ("lpwsinc");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_lp_0hz);
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tcase_add_test (tc_chain, test_lp_22050hz);
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tcase_add_test (tc_chain, test_hp_0hz);
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tcase_add_test (tc_chain, test_hp_22050hz);
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tcase_add_test (tc_chain, test_small_buffer);
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return s;
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}
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int
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main (int argc, char **argv)
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{
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int nf;
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Suite *s = lpwsinc_suite ();
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SRunner *sr = srunner_create (s);
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gst_check_init (&argc, &argv);
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srunner_run_all (sr, CK_NORMAL);
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nf = srunner_ntests_failed (sr);
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srunner_free (sr);
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return nf;
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}
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