--- /dev/null
+/* GStreamer unit tests for audiorate
+ *
+ * Copyright (C) 2006 Tim-Philipp Müller <tim centricular 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <gst/check/gstcheck.h>
+
+/* helper element to insert additional buffers overlapping with previous ones */
+static gdouble injector_inject_probability = 0.0;
+
+typedef GstElement TestInjector;
+typedef GstElementClass TestInjectorClass;
+
+GType test_injector_get_type (void);
+GST_BOILERPLATE (TestInjector, test_injector, GstElement, GST_TYPE_ELEMENT);
+
+#define INJECTOR_CAPS \
+ "audio/x-raw-float, " \
+ "rate = (int) [ 1, MAX ], " \
+ "channels = (int) [ 1, 8 ], " \
+ "endianness = (int) BYTE_ORDER, " \
+ "width = (int) 32;" \
+ "audio/x-raw-int, " \
+ "rate = (int) [ 1, MAX ], " \
+ "channels = (int) [ 1, 8 ], " \
+ "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \
+ "width = (int) { 8, 16, 32 }, " \
+ "depth = (int) [ 1, 32 ], " \
+ "signed = (boolean) { true, false }"
+
+static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (INJECTOR_CAPS));
+
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (INJECTOR_CAPS));
+
+static void
+test_injector_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+}
+
+static void
+test_injector_class_init (TestInjectorClass * klass)
+{
+ /* nothing to do here */
+}
+
+static GstFlowReturn
+test_injector_chain (GstPad * pad, GstBuffer * buf)
+{
+ GstFlowReturn ret;
+ GstPad *srcpad;
+
+ srcpad =
+ gst_element_get_static_pad (GST_ELEMENT (GST_PAD_PARENT (pad)), "src");
+
+ /* since we're increasing timestamp/offsets, push this one first */
+ GST_LOG (" passing buffer [t=%" GST_TIME_FORMAT "-%" GST_TIME_FORMAT
+ "], offset=%" G_GINT64_FORMAT ", offset_end=%" G_GINT64_FORMAT,
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf)),
+ GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf));
+
+ gst_buffer_ref (buf);
+
+ ret = gst_pad_push (srcpad, buf);
+
+ if (g_random_double () < injector_inject_probability) {
+ GstBuffer *ibuf;
+
+ ibuf = gst_buffer_copy (buf);
+
+ if (GST_BUFFER_OFFSET_IS_VALID (buf) &&
+ GST_BUFFER_OFFSET_END_IS_VALID (buf)) {
+ guint64 delta;
+
+ delta = GST_BUFFER_OFFSET_END (buf) - GST_BUFFER_OFFSET (buf);
+ GST_BUFFER_OFFSET (ibuf) += delta / 4;
+ GST_BUFFER_OFFSET_END (ibuf) += delta / 4;
+ } else {
+ GST_BUFFER_OFFSET (ibuf) = GST_BUFFER_OFFSET_NONE;
+ GST_BUFFER_OFFSET_END (ibuf) = GST_BUFFER_OFFSET_NONE;
+ }
+
+ if (GST_BUFFER_TIMESTAMP_IS_VALID (buf) &&
+ GST_BUFFER_DURATION_IS_VALID (buf)) {
+ GstClockTime delta;
+
+ delta = GST_BUFFER_DURATION (buf);
+ GST_BUFFER_TIMESTAMP (ibuf) += delta / 4;
+ } else {
+ GST_BUFFER_TIMESTAMP (ibuf) = GST_CLOCK_TIME_NONE;
+ GST_BUFFER_DURATION (ibuf) = GST_CLOCK_TIME_NONE;
+ }
+
+ if (GST_BUFFER_TIMESTAMP_IS_VALID (ibuf) ||
+ GST_BUFFER_OFFSET_IS_VALID (ibuf)) {
+ GST_LOG ("injecting buffer [t=%" GST_TIME_FORMAT "-%" GST_TIME_FORMAT
+ "], offset=%" G_GINT64_FORMAT ", offset_end=%" G_GINT64_FORMAT,
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (ibuf)),
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (ibuf) +
+ GST_BUFFER_DURATION (ibuf)), GST_BUFFER_OFFSET (ibuf),
+ GST_BUFFER_OFFSET_END (ibuf));
+
+ if (gst_pad_push (srcpad, ibuf) != GST_FLOW_OK) {
+ /* ignore return value */
+ }
+ } else {
+ GST_WARNING ("couldn't inject buffer, no incoming timestamps or offsets");
+ gst_buffer_unref (ibuf);
+ }
+ }
+
+ gst_buffer_unref (buf);
+
+ return ret;
+}
+
+static void
+test_injector_init (TestInjector * injector, TestInjectorClass * klass)
+{
+ GstPad *pad;
+
+ pad = gst_pad_new_from_static_template (&sink_template, "sink");
+ gst_pad_set_chain_function (pad, test_injector_chain);
+ gst_pad_set_getcaps_function (pad, gst_pad_proxy_getcaps);
+ gst_pad_set_setcaps_function (pad, gst_pad_proxy_setcaps);
+ gst_element_add_pad (GST_ELEMENT (injector), pad);
+
+ pad = gst_pad_new_from_static_template (&src_template, "src");
+ gst_pad_set_getcaps_function (pad, gst_pad_proxy_getcaps);
+ gst_pad_set_setcaps_function (pad, gst_pad_proxy_setcaps);
+ gst_element_add_pad (GST_ELEMENT (injector), pad);
+}
+
+static gboolean
+probe_cb (GstPad * pad, GstBuffer * buf, gdouble * drop_probability)
+{
+ if (g_random_double () < *drop_probability) {
+ GST_LOG ("dropping buffer [t=%" GST_TIME_FORMAT "-%" GST_TIME_FORMAT "], "
+ "offset=%" G_GINT64_FORMAT ", offset_end=%" G_GINT64_FORMAT,
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf)),
+ GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf));
+ return FALSE; /* drop buffer */
+ }
+
+ return TRUE; /* don't drop buffer */
+}
+
+static void
+got_buf (GstElement * fakesink, GstBuffer * buf, GstPad * pad, GList ** p_bufs)
+{
+ *p_bufs = g_list_append (*p_bufs, gst_buffer_ref (buf));
+}
+
+static void
+do_perfect_stream_test (guint rate, guint width, gdouble drop_probability,
+ gdouble inject_probability)
+{
+ GstElement *pipe, *src, *conv, *filter, *injector, *audiorate, *sink;
+ GstMessage *msg;
+ GstCaps *caps;
+ GstPad *srcpad;
+ GList *l, *bufs = NULL;
+ GstClockTime next_time = GST_CLOCK_TIME_NONE;
+ guint64 next_offset = GST_BUFFER_OFFSET_NONE;
+
+ caps = gst_caps_new_simple ("audio/x-raw-int", "rate", G_TYPE_INT,
+ rate, "width", G_TYPE_INT, width, NULL);
+
+ GST_INFO ("-------- drop=%.0f%% caps = %" GST_PTR_FORMAT " ---------- ",
+ drop_probability * 100.0, caps);
+
+ g_assert (drop_probability >= 0.0 && drop_probability <= 1.0);
+ g_assert (inject_probability >= 0.0 && inject_probability <= 1.0);
+ g_assert (width > 0 && (width % 8) == 0);
+
+ pipe = gst_pipeline_new ("pipeline");
+ fail_unless (pipe != NULL);
+
+ src = gst_element_factory_make ("audiotestsrc", "audiotestsrc");
+ fail_unless (src != NULL);
+
+ g_object_set (src, "num-buffers", 100, NULL);
+
+ conv = gst_element_factory_make ("audioconvert", "audioconvert");
+ fail_unless (conv != NULL);
+
+ filter = gst_element_factory_make ("capsfilter", "capsfilter");
+ fail_unless (filter != NULL);
+
+ g_object_set (filter, "caps", caps, NULL);
+
+ injector_inject_probability = inject_probability;
+
+ injector = GST_ELEMENT (g_object_new (test_injector_get_type (), NULL));
+
+ srcpad = gst_element_get_static_pad (injector, "src");
+ fail_unless (srcpad != NULL);
+ gst_pad_add_buffer_probe (srcpad, G_CALLBACK (probe_cb), &drop_probability);
+ gst_object_unref (srcpad);
+
+ audiorate = gst_element_factory_make ("audiorate", "audiorate");
+ fail_unless (audiorate != NULL);
+
+ sink = gst_element_factory_make ("fakesink", "fakesink");
+ fail_unless (sink != NULL);
+
+ g_object_set (sink, "signal-handoffs", TRUE, NULL);
+
+ g_signal_connect (sink, "handoff", G_CALLBACK (got_buf), &bufs);
+
+ gst_bin_add_many (GST_BIN (pipe), src, conv, filter, injector, audiorate,
+ sink, NULL);
+ gst_element_link_many (src, conv, filter, injector, audiorate, sink, NULL);
+
+ fail_unless_equals_int (gst_element_set_state (pipe, GST_STATE_PLAYING),
+ GST_STATE_CHANGE_ASYNC);
+
+ fail_unless_equals_int (gst_element_get_state (pipe, NULL, NULL, -1),
+ GST_STATE_CHANGE_SUCCESS);
+
+ msg = gst_bus_poll (GST_ELEMENT_BUS (pipe),
+ GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
+ fail_unless_equals_string (GST_MESSAGE_TYPE_NAME (msg), "eos");
+
+ for (l = bufs; l != NULL; l = l->next) {
+ GstBuffer *buf = GST_BUFFER (l->data);
+ guint num_samples;
+
+ fail_unless (GST_BUFFER_TIMESTAMP_IS_VALID (buf));
+ fail_unless (GST_BUFFER_DURATION_IS_VALID (buf));
+ fail_unless (GST_BUFFER_OFFSET_IS_VALID (buf));
+ fail_unless (GST_BUFFER_OFFSET_END_IS_VALID (buf));
+
+ GST_LOG ("buffer: ts=%" GST_TIME_FORMAT ", end_ts=%" GST_TIME_FORMAT
+ " off=%" G_GINT64_FORMAT ", end_off=%" G_GINT64_FORMAT,
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf)),
+ GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf));
+
+ if (GST_CLOCK_TIME_IS_VALID (next_time)) {
+ fail_unless_equals_uint64 (next_time, GST_BUFFER_TIMESTAMP (buf));
+ }
+ if (next_offset != GST_BUFFER_OFFSET_NONE) {
+ fail_unless_equals_uint64 (next_offset, GST_BUFFER_OFFSET (buf));
+ }
+
+ /* check buffer size for sanity */
+ fail_unless_equals_int (GST_BUFFER_SIZE (buf) % (width / 8), 0);
+
+ /* check there is actually as much data as there should be */
+ num_samples = GST_BUFFER_OFFSET_END (buf) - GST_BUFFER_OFFSET (buf);
+ fail_unless_equals_int (GST_BUFFER_SIZE (buf), num_samples * (width / 8));
+
+ next_time = GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf);
+ next_offset = GST_BUFFER_OFFSET_END (buf);
+ }
+
+ gst_message_unref (msg);
+ gst_element_set_state (pipe, GST_STATE_NULL);
+ gst_object_unref (pipe);
+
+ g_list_foreach (bufs, (GFunc) gst_mini_object_unref, NULL);
+ g_list_free (bufs);
+
+ gst_caps_unref (caps);
+}
+
+static const guint rates[] = { 8000, 11025, 16000, 22050, 32000, 44100,
+ 48000, 3333, 33333, 66666, 9999
+};
+
+GST_START_TEST (test_perfect_stream_drop0)
+{
+ guint i;
+
+ for (i = 0; i < G_N_ELEMENTS (rates); ++i) {
+ do_perfect_stream_test (rates[i], 8, 0.0, 0.0);
+ do_perfect_stream_test (rates[i], 16, 0.0, 0.0);
+ }
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_perfect_stream_drop10)
+{
+ guint i;
+
+ for (i = 0; i < G_N_ELEMENTS (rates); ++i) {
+ do_perfect_stream_test (rates[i], 8, 0.10, 0.0);
+ do_perfect_stream_test (rates[i], 16, 0.10, 0.0);
+ }
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_perfect_stream_drop50)
+{
+ guint i;
+
+ for (i = 0; i < G_N_ELEMENTS (rates); ++i) {
+ do_perfect_stream_test (rates[i], 8, 0.50, 0.0);
+ do_perfect_stream_test (rates[i], 16, 0.50, 0.0);
+ }
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_perfect_stream_drop90)
+{
+ guint i;
+
+ for (i = 0; i < G_N_ELEMENTS (rates); ++i) {
+ do_perfect_stream_test (rates[i], 8, 0.90, 0.0);
+ do_perfect_stream_test (rates[i], 16, 0.90, 0.0);
+ }
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_perfect_stream_inject10)
+{
+ guint i;
+
+ for (i = 0; i < G_N_ELEMENTS (rates); ++i) {
+ do_perfect_stream_test (rates[i], 8, 0.0, 0.10);
+ do_perfect_stream_test (rates[i], 16, 0.0, 0.10);
+ }
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_perfect_stream_inject90)
+{
+ guint i;
+
+ for (i = 0; i < G_N_ELEMENTS (rates); ++i) {
+ do_perfect_stream_test (rates[i], 8, 0.0, 0.90);
+ do_perfect_stream_test (rates[i], 16, 0.0, 0.90);
+ }
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_perfect_stream_drop45_inject25)
+{
+ guint i;
+
+ for (i = 0; i < G_N_ELEMENTS (rates); ++i) {
+ do_perfect_stream_test (rates[i], 8, 0.45, 0.25);
+ do_perfect_stream_test (rates[i], 16, 0.45, 0.25);
+ }
+}
+
+GST_END_TEST;
+
+/* TODO: also do all tests with channels=1 and channels=2 */
+
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-float,channels=1,rate=44100,width=32")
+ );
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-float,channels=1,rate=44100,width=32")
+ );
+
+GST_START_TEST (test_large_discont)
+{
+ GstElement *audiorate;
+ GstCaps *caps;
+ GstPad *srcpad, *sinkpad;
+ GstBuffer *buf;
+
+ audiorate = gst_check_setup_element ("audiorate");
+ caps = gst_caps_new_simple ("audio/x-raw-float",
+ "channels", G_TYPE_INT, 1,
+ "rate", G_TYPE_INT, 44100, "width", G_TYPE_INT, 32, NULL);
+
+ srcpad = gst_check_setup_src_pad (audiorate, &srctemplate, caps);
+ sinkpad = gst_check_setup_sink_pad (audiorate, &sinktemplate, caps);
+
+ gst_pad_set_active (srcpad, TRUE);
+ gst_pad_set_active (sinkpad, TRUE);
+
+ fail_unless (gst_element_set_state (audiorate,
+ GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+ "failed to set audiorate playing");
+
+ buf = gst_buffer_new_and_alloc (4);
+ gst_buffer_set_caps (buf, caps);
+ GST_BUFFER_TIMESTAMP (buf) = 0;
+ gst_pad_push (srcpad, buf);
+
+ fail_unless_equals_int (g_list_length (buffers), 1);
+
+ buf = gst_buffer_new_and_alloc (4);
+ gst_buffer_set_caps (buf, caps);
+ GST_BUFFER_TIMESTAMP (buf) = 2 * GST_SECOND;
+ gst_pad_push (srcpad, buf);
+ /* Now we should have 3 more buffers: the one we injected, plus _two_ filler
+ * buffers, because the gap is > 1 second (but less than 2 seconds) */
+ fail_unless_equals_int (g_list_length (buffers), 4);
+
+ gst_element_set_state (audiorate, GST_STATE_NULL);
+ gst_caps_unref (caps);
+
+ gst_check_teardown_sink_pad (audiorate);
+ gst_check_teardown_src_pad (audiorate);
+
+ gst_object_unref (audiorate);
+}
+
+GST_END_TEST;
+
+static Suite *
+audiorate_suite (void)
+{
+ Suite *s = suite_create ("audiorate");
+ TCase *tc_chain = tcase_create ("general");
+
+ suite_add_tcase (s, tc_chain);
+
+ tcase_add_test (tc_chain, test_perfect_stream_drop0);
+ tcase_add_test (tc_chain, test_perfect_stream_drop10);
+ tcase_add_test (tc_chain, test_perfect_stream_drop50);
+ tcase_add_test (tc_chain, test_perfect_stream_drop90);
+ tcase_add_test (tc_chain, test_perfect_stream_inject10);
+ tcase_add_test (tc_chain, test_perfect_stream_inject90);
+ tcase_add_test (tc_chain, test_perfect_stream_drop45_inject25);
+ tcase_add_test (tc_chain, test_large_discont);
+
+ return s;
+}
+
+GST_CHECK_MAIN (audiorate);
projects / mafwsubrenderer / blobdiff