tests: ipcpipeline: make the state_changes test more deterministic

Watching the STATE_CHANGED messages is way more deterministic than
polling the state.

https://bugzilla.gnome.org/show_bug.cgi?id=786006
This commit is contained in:
George Kiagiadakis 2017-08-30 18:11:27 +03:00
parent acc2719720
commit cf1bb83d8d

View file

@ -3446,8 +3446,6 @@ typedef struct
gint n_paused;
gint n_playing;
gboolean got_eos;
GThread *thread;
gint refcount;
} state_changes_slave_data;
static void
@ -3618,48 +3616,21 @@ state_changes_source (GstElement * source, gpointer user_data)
td->state_changed_cb = state_changes_state_changed;
}
static GstPadProbeReturn
state_changes_probe (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
static GstBusSyncReply
state_changes_sink_bus_msg (GstBus * bus, GstMessage * message,
gpointer user_data)
{
test_data *td = user_data;
state_changes_slave_data *d = td->sd;
if (GST_IS_EVENT (info->data)) {
if (GST_EVENT_TYPE (info->data) == GST_EVENT_EOS) {
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_EOS:
d->got_eos = TRUE;
if (g_atomic_int_dec_and_test (&d->refcount)) {
g_thread_join (d->thread);
gst_object_unref (td->p);
}
return GST_PAD_PROBE_REMOVE;
}
}
return GST_PAD_PROBE_OK;
}
static void
hook_state_changes_probe (const GValue * v, gpointer user_data)
{
test_data *td = user_data;
state_changes_slave_data *d = td->sd;
d->refcount++;
hook_probe (v, state_changes_probe, user_data);
}
static gpointer
state_changes_watcher (gpointer user_data)
{
test_data *td = user_data;
state_changes_slave_data *d = td->sd;
GstState state = GST_STATE_VOID_PENDING, prev_state = GST_STATE_VOID_PENDING;
GstStateChangeReturn ret;
while (!d->got_eos) {
ret = gst_element_get_state (td->p, &state, NULL, GST_CLOCK_TIME_NONE);
if (ret == GST_STATE_CHANGE_SUCCESS && state != GST_STATE_VOID_PENDING) {
if (state != prev_state) {
break;
case GST_MESSAGE_STATE_CHANGED:
if (GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (td->p)) {
GstState state;
gst_message_parse_state_changed (message, NULL, &state, NULL);
switch (state) {
case GST_STATE_NULL:
d->n_null++;
@ -3676,32 +3647,20 @@ state_changes_watcher (gpointer user_data)
default:
fail_if (1);
}
prev_state = state;
}
break;
default:
break;
}
g_usleep (STEP_AT * 1000 / 4);
}
return NULL;
return GST_BUS_PASS;
}
static void
setup_sink_state_changes (GstElement * sink, gpointer user_data)
{
test_data *td = user_data;
state_changes_slave_data *d = td->sd;
GstIterator *it;
gst_object_ref (sink);
d->refcount = 0;
d->thread =
g_thread_new ("state-changes-watcher",
(GThreadFunc) state_changes_watcher, td);
FAIL_UNLESS (d->thread);
it = gst_bin_iterate_sinks (GST_BIN (sink));
while (gst_iterator_foreach (it, hook_state_changes_probe, td))
gst_iterator_resync (it);
gst_iterator_free (it);
g_object_set (sink, "auto-flush-bus", FALSE, NULL);
gst_bus_set_sync_handler (GST_ELEMENT_BUS (sink), state_changes_sink_bus_msg,
user_data, NULL);
}
static void
@ -3718,11 +3677,16 @@ check_success_sink_state_changes (gpointer user_data)
{
test_data *td = user_data;
state_changes_slave_data *d = td->sd;
GstBus *bus;
bus = gst_pipeline_get_bus (GST_PIPELINE (td->p));
gst_bus_set_flushing (bus, TRUE);
gst_object_unref (bus);
FAIL_UNLESS (d->got_eos);
FAIL_UNLESS_EQUALS_INT (d->n_null, 6);
FAIL_UNLESS_EQUALS_INT (d->n_ready, 12);
FAIL_UNLESS_EQUALS_INT (d->n_paused, 10);
FAIL_UNLESS_EQUALS_INT (d->n_ready, 13);
FAIL_UNLESS_EQUALS_INT (d->n_paused, 11);
FAIL_UNLESS_EQUALS_INT (d->n_playing, 4);
}
@ -5915,7 +5879,7 @@ ipcpipeline_suite (void)
tcase_add_test (tc_chain, test_empty_state_changes);
tcase_add_test (tc_chain, test_wavparse_state_changes);
tcase_add_test (tc_chain, test_mpegts_state_changes);
tcase_skip_broken_test (tc_chain, test_mpegts_2_state_changes);
tcase_add_test (tc_chain, test_mpegts_2_state_changes);
/* live scenarios skipped: live sources will cause no buffer
* to flow in PAUSED, so the pipeline will only finish READY->PAUSED
* once switching to PLAYING */