From b2f31f75d20abf5369fa04c258ff36dcc731ebd0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= Date: Sun, 12 Aug 2007 20:19:37 +0000 Subject: 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. --- tests/check/Makefile.am | 1 + tests/check/elements/.gitignore | 1 + tests/check/elements/lpwsinc.c | 388 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 390 insertions(+) create mode 100644 tests/check/elements/lpwsinc.c (limited to 'tests/check') diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am index 6801c05e..0b962602 100644 --- a/tests/check/Makefile.am +++ b/tests/check/Makefile.am @@ -56,6 +56,7 @@ check_PROGRAMS = \ $(check_mpeg2enc) \ $(check_neon) \ $(check_timidity) \ + elements/lpwsinc \ elements/rganalysis \ elements/rglimiter \ elements/rgvolume \ diff --git a/tests/check/elements/.gitignore b/tests/check/elements/.gitignore index d4293361..91b5e3b2 100644 --- a/tests/check/elements/.gitignore +++ b/tests/check/elements/.gitignore @@ -13,3 +13,4 @@ rganalysis y4menc neonhttpsrc spectrum +lpwsinc diff --git a/tests/check/elements/lpwsinc.c b/tests/check/elements/lpwsinc.c new file mode 100644 index 00000000..8fe7b02c --- /dev/null +++ b/tests/check/elements/lpwsinc.c @@ -0,0 +1,388 @@ +/* GStreamer + * + * Copyright (C) 2007 Sebastian Dröge + * + * lpwsinc.c: Unit test for the lpwsinc element + * + * 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 +#include +#include + +#include + +/* 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 LPWSINC_CAPS_STRING \ + "audio/x-raw-float, " \ + "channels = (int) 1, " \ + "rate = (int) 44100, " \ + "endianness = (int) BYTE_ORDER, " \ + "width = (int) 64" \ + +static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-raw-float, " + "channels = (int) 1, " + "rate = (int) 44100, " + "endianness = (int) BYTE_ORDER, " "width = (int) 64") + ); +static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-raw-float, " + "channels = (int) 1, " + "rate = (int) 44100, " + "endianness = (int) BYTE_ORDER, " "width = (int) 64") + ); + +GstElement * +setup_lpwsinc () +{ + GstElement *lpwsinc; + + GST_DEBUG ("setup_lpwsinc"); + lpwsinc = gst_check_setup_element ("lpwsinc"); + mysrcpad = gst_check_setup_src_pad (lpwsinc, &srctemplate, NULL); + mysinkpad = gst_check_setup_sink_pad (lpwsinc, &sinktemplate, NULL); + gst_pad_set_active (mysrcpad, TRUE); + gst_pad_set_active (mysinkpad, TRUE); + + return lpwsinc; +} + +void +cleanup_lpwsinc (GstElement * lpwsinc) +{ + GST_DEBUG ("cleanup_lpwsinc"); + + g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL); + g_list_free (buffers); + buffers = NULL; + + gst_pad_set_active (mysrcpad, FALSE); + gst_pad_set_active (mysinkpad, FALSE); + gst_check_teardown_src_pad (lpwsinc); + gst_check_teardown_sink_pad (lpwsinc); + gst_check_teardown_element (lpwsinc); +} + +/* Test if data containing only one frequency component + * at 0 is preserved with lowpass mode and a cutoff + * at rate/4 */ +GST_START_TEST (test_lp_0hz) +{ + GstElement *lpwsinc; + GstBuffer *inbuffer, *outbuffer; + GstCaps *caps; + gdouble *in, *res, rms; + gint i; + + lpwsinc = setup_lpwsinc (); + /* Set to lowpass */ + g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL); + g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL); + + fail_unless (gst_element_set_state (lpwsinc, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "could not set to playing"); + + /* cutoff = sampling rate / 4, data = 0 */ + g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL); + inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble)); + in = (gdouble *) GST_BUFFER_DATA (inbuffer); + for (i = 0; i < 128; i++) + in[i] = 1.0; + + caps = gst_caps_from_string (LPWSINC_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); + /* ... and puts a new buffer on the global list */ + fail_unless_equals_int (g_list_length (buffers), 1); + fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); + + res = (gdouble *) GST_BUFFER_DATA (outbuffer); + for (i = 21; i < 128; i++) { + fail_unless (res[i] <= 1.01 + && res[i] >= 0.99, "res[%d] = %lf\n", i, res[i]); + } + + rms = 0.0; + for (i = 0; i < 128; i++) + rms += res[i] * res[i]; + rms = sqrt (rms / 128.0); + fail_unless (rms >= 0.9); + + /* cleanup */ + cleanup_lpwsinc (lpwsinc); +} + +GST_END_TEST; + +/* Test if data containing only one frequency component + * at rate/2 is erased with lowpass mode and a cutoff + * at rate/4 */ +GST_START_TEST (test_lp_22050hz) +{ + GstElement *lpwsinc; + GstBuffer *inbuffer, *outbuffer; + GstCaps *caps; + gdouble *in, *res, rms; + gint i; + + lpwsinc = setup_lpwsinc (); + /* Set to lowpass */ + g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL); + g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL); + + fail_unless (gst_element_set_state (lpwsinc, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "could not set to playing"); + + g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL); + inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble)); + in = (gdouble *) GST_BUFFER_DATA (inbuffer); + for (i = 0; i < 128; i += 2) { + in[i] = 1.0; + in[i + 1] = -1.0; + } + + caps = gst_caps_from_string (LPWSINC_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); + /* ... and puts a new buffer on the global list */ + fail_unless_equals_int (g_list_length (buffers), 1); + fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); + + res = (gdouble *) GST_BUFFER_DATA (outbuffer); + for (i = 21; i < 128; i++) { + fail_unless (res[i] <= 0.01 + && res[i] >= -0.01, "res[%d] = %lf\n", i, res[i]); + } + + rms = 0.0; + for (i = 0; i < 128; i++) + rms += res[i] * res[i]; + rms = sqrt (rms / 128.0); + fail_unless (rms <= 0.05); + + /* cleanup */ + cleanup_lpwsinc (lpwsinc); +} + +GST_END_TEST; + +/* Test if data containing only one frequency component + * at 0 is erased with highpass mode and a cutoff + * at rate/4 */ +GST_START_TEST (test_hp_0hz) +{ + GstElement *lpwsinc; + GstBuffer *inbuffer, *outbuffer; + GstCaps *caps; + gdouble *in, *res, rms; + gint i; + + lpwsinc = setup_lpwsinc (); + /* Set to highpass */ + g_object_set (G_OBJECT (lpwsinc), "mode", 1, NULL); + g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL); + + fail_unless (gst_element_set_state (lpwsinc, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "could not set to playing"); + + g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL); + inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble)); + in = (gdouble *) GST_BUFFER_DATA (inbuffer); + for (i = 0; i < 128; i++) + in[i] = 1.0; + + caps = gst_caps_from_string (LPWSINC_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); + /* ... and puts a new buffer on the global list */ + fail_unless_equals_int (g_list_length (buffers), 1); + fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); + + res = (gdouble *) GST_BUFFER_DATA (outbuffer); + for (i = 21; i < 128; i++) { + fail_unless (res[i] <= 0.01 + && res[i] >= -0.01, "res[%d] = %lf\n", i, res[i]); + } + + rms = 0.0; + for (i = 0; i < 128; i++) + rms += res[i] * res[i]; + rms = sqrt (rms / 128.0); + fail_unless (rms <= 0.05); + + /* cleanup */ + cleanup_lpwsinc (lpwsinc); +} + +GST_END_TEST; + +/* Test if data containing only one frequency component + * at rate/2 is preserved with highpass mode and a cutoff + * at rate/4 */ +GST_START_TEST (test_hp_22050hz) +{ + GstElement *lpwsinc; + GstBuffer *inbuffer, *outbuffer; + GstCaps *caps; + gdouble *in, *res, rms; + gint i; + + lpwsinc = setup_lpwsinc (); + /* Set to highpass */ + g_object_set (G_OBJECT (lpwsinc), "mode", 1, NULL); + g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL); + + fail_unless (gst_element_set_state (lpwsinc, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "could not set to playing"); + + g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL); + inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble)); + in = (gdouble *) GST_BUFFER_DATA (inbuffer); + for (i = 0; i < 128; i += 2) { + in[i] = 1.0; + in[i + 1] = -1.0; + } + + caps = gst_caps_from_string (LPWSINC_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); + /* ... and puts a new buffer on the global list */ + fail_unless_equals_int (g_list_length (buffers), 1); + fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); + + res = (gdouble *) GST_BUFFER_DATA (outbuffer); + for (i = 21; i < 128; i++) { + fail_unless (abs (res[i]) <= 1.01 + && abs (res[i]) >= 0.99, "res[%d] = %lf\n", i, res[i]); + } + + rms = 0.0; + for (i = 0; i < 128; i++) + rms += res[i] * res[i]; + rms = sqrt (rms / 128.0); + fail_unless (rms >= 0.9); + + /* cleanup */ + cleanup_lpwsinc (lpwsinc); +} + +GST_END_TEST; + +/* Test if buffers smaller than the kernel size are handled + * correctly without accessing wrong memory areas */ +GST_START_TEST (test_small_buffer) +{ + GstElement *lpwsinc; + GstBuffer *inbuffer, *outbuffer; + GstCaps *caps; + gdouble *in; + gdouble *res; + gint i; + + lpwsinc = setup_lpwsinc (); + /* Set to lowpass */ + g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL); + g_object_set (G_OBJECT (lpwsinc), "length", 101, NULL); + + fail_unless (gst_element_set_state (lpwsinc, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "could not set to playing"); + + g_object_set (G_OBJECT (lpwsinc), "frequency", 44100 / 4.0, NULL); + inbuffer = gst_buffer_new_and_alloc (20 * sizeof (gdouble)); + in = (gdouble *) GST_BUFFER_DATA (inbuffer); + for (i = 0; i < 20; i++) + in[i] = 1.0; + + caps = gst_caps_from_string (LPWSINC_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); + /* ... and puts a new buffer on the global list */ + fail_unless_equals_int (g_list_length (buffers), 1); + fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); + + /* cleanup */ + cleanup_lpwsinc (lpwsinc); +} + +GST_END_TEST; + +Suite * +lpwsinc_suite (void) +{ + Suite *s = suite_create ("lpwsinc"); + TCase *tc_chain = tcase_create ("general"); + + suite_add_tcase (s, tc_chain); + tcase_add_test (tc_chain, test_lp_0hz); + tcase_add_test (tc_chain, test_lp_22050hz); + tcase_add_test (tc_chain, test_hp_0hz); + tcase_add_test (tc_chain, test_hp_22050hz); + tcase_add_test (tc_chain, test_small_buffer); + + return s; +} + +int +main (int argc, char **argv) +{ + int nf; + + Suite *s = lpwsinc_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; +} -- cgit v1.2.1