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Diffstat (limited to 'tests/check/elements/rglimiter.c')
| -rw-r--r-- | tests/check/elements/rglimiter.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/tests/check/elements/rglimiter.c b/tests/check/elements/rglimiter.c new file mode 100644 index 00000000..2d4a715b --- /dev/null +++ b/tests/check/elements/rglimiter.c @@ -0,0 +1,238 @@ +/* GStreamer ReplayGain limiter + * + * Copyright (C) 2007 Rene Stadler <mail@renestadler.de> + * + * rglimiter.c: Unit test for the rglimiter 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 <gst/check/gstcheck.h> + +#include <math.h> + +GList *buffers = NULL; + +/* 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 */ +static GstPad *mysrcpad, *mysinkpad; + +#define RG_LIMITER_CAPS_TEMPLATE_STRING \ + "audio/x-raw-float, " \ + "width = (int) 32, " \ + "endianness = (int) BYTE_ORDER, " \ + "channels = (int) [ 1, MAX ], " \ + "rate = (int) [ 1, MAX ]" + +static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (RG_LIMITER_CAPS_TEMPLATE_STRING) + ); +static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (RG_LIMITER_CAPS_TEMPLATE_STRING) + ); + +GstElement * +setup_rglimiter () +{ + GstElement *element; + GstBus *bus; + + GST_DEBUG ("setup_rglimiter"); + element = gst_check_setup_element ("rglimiter"); + mysrcpad = gst_check_setup_src_pad (element, &srctemplate, NULL); + mysinkpad = gst_check_setup_sink_pad (element, &sinktemplate, NULL); + gst_pad_set_active (mysrcpad, TRUE); + gst_pad_set_active (mysinkpad, TRUE); + + return element; +} + +void +cleanup_rglimiter (GstElement * element) +{ + GST_DEBUG ("cleanup_rglimiter"); + + g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL); + g_list_free (buffers); + buffers = NULL; + + gst_check_teardown_src_pad (element); + gst_check_teardown_sink_pad (element); + gst_check_teardown_element (element); +} + +static void +set_playing_state (GstElement * element) +{ + fail_unless (gst_element_set_state (element, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "Could not set state to PLAYING"); +} + +static const gfloat test_input[] = { + -2.0, -1.0, -0.75, -0.5, -0.25, 0.0, 0.25, 0.5, 0.75, 1.0, 2.0 +}; +static const gfloat test_output[] = { + -0.99752737684336523, /* -2.0 */ + -0.88079707797788243, /* -1.0 */ + -0.7310585786300049, /* -0.75 */ + -0.5, -0.25, 0.0, 0.25, 0.5, + 0.7310585786300049, /* 0.75 */ + 0.88079707797788243, /* 1.0 */ + 0.99752737684336523, /* 2.0 */ +}; + +static GstBuffer * +create_test_buffer () +{ + GstBuffer *buf = gst_buffer_new_and_alloc (sizeof (test_input)); + GstCaps *caps; + + memcpy (GST_BUFFER_DATA (buf), test_input, sizeof (test_input)); + + caps = gst_caps_new_simple ("audio/x-raw-float", + "rate", G_TYPE_INT, 44100, "channels", G_TYPE_INT, 1, + "endianess", G_TYPE_INT, G_BYTE_ORDER, "width", G_TYPE_INT, 32, NULL); + gst_buffer_set_caps (buf, caps); + gst_caps_unref (caps); + + ASSERT_BUFFER_REFCOUNT (buf, "buf", 1); + + return buf; +} + +static void +verify_test_buffer (GstBuffer * buf) +{ + gfloat *output = (gfloat *) GST_BUFFER_DATA (buf); + gint i; + + fail_unless (GST_BUFFER_SIZE (buf) == sizeof (test_output)); + for (i = 0; i < G_N_ELEMENTS (test_input); i++) + fail_unless (ABS (output[i] - test_output[i]) < 1.e-6, + "Incorrect output value %.6f for input %.2f, expected %.6f", + output[i], test_input[i], test_output[i]); +} + +/* Start of tests. */ + +GST_START_TEST (test_no_buffer) +{ + GstElement *element = setup_rglimiter (); + + set_playing_state (element); + + cleanup_rglimiter (element); +} + +GST_END_TEST; + +GST_START_TEST (test_disabled) +{ + GstElement *element = setup_rglimiter (); + GstBuffer *buf, *out_buf; + + g_object_set (element, "enabled", FALSE, NULL); + set_playing_state (element); + + buf = create_test_buffer (); + fail_unless (gst_pad_push (mysrcpad, buf) == GST_FLOW_OK); + fail_unless (g_list_length (buffers) == 1); + out_buf = buffers->data; + fail_if (out_buf == NULL); + buffers = g_list_remove (buffers, out_buf); + ASSERT_BUFFER_REFCOUNT (out_buf, "out_buf", 1); + fail_unless (buf == out_buf); + gst_buffer_unref (out_buf); + + cleanup_rglimiter (element); +} + +GST_END_TEST; + +GST_START_TEST (test_limiting) +{ + GstElement *element = setup_rglimiter (); + GstBuffer *buf, *out_buf; + + set_playing_state (element); + + /* Mutable variant. */ + buf = create_test_buffer (); + fail_unless (gst_pad_push (mysrcpad, buf) == GST_FLOW_OK); + fail_unless (g_list_length (buffers) == 1); + out_buf = buffers->data; + fail_if (out_buf == NULL); + ASSERT_BUFFER_REFCOUNT (out_buf, "out_buf", 1); + verify_test_buffer (out_buf); + + /* Immutable variant. */ + buf = create_test_buffer (); + /* Extra ref: */ + gst_buffer_ref (buf); + ASSERT_BUFFER_REFCOUNT (buf, "buf", 2); + fail_unless (gst_pad_push (mysrcpad, buf) == GST_FLOW_OK); + ASSERT_BUFFER_REFCOUNT (buf, "buf", 1); + fail_unless (g_list_length (buffers) == 2); + out_buf = g_list_last (buffers)->data; + fail_if (out_buf == NULL); + ASSERT_BUFFER_REFCOUNT (out_buf, "out_buf", 1); + fail_unless (buf != out_buf); + /* Drop our extra ref: */ + gst_buffer_unref (buf); + verify_test_buffer (out_buf); + + cleanup_rglimiter (element); +} + +GST_END_TEST; + +Suite * +rglimiter_suite (void) +{ + Suite *s = suite_create ("rglimiter"); + TCase *tc_chain = tcase_create ("general"); + + suite_add_tcase (s, tc_chain); + + tcase_add_test (tc_chain, test_no_buffer); + tcase_add_test (tc_chain, test_disabled); + tcase_add_test (tc_chain, test_limiting); + + return s; +} + +int +main (int argc, char **argv) +{ + gint nf; + + Suite *s = rglimiter_suite (); + SRunner *sr = srunner_create (s); + + gst_check_init (&argc, &argv); + + srunner_run_all (sr, CK_ENV); + nf = srunner_ntests_failed (sr); + srunner_free (sr); + + return nf; +} |