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jitterbuffertest: improve the test

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the tests are a bit more solid now but still not produce reliable results.
Wonder if they are still flawky or if its a bug in jitterbuffer.
This commit is contained in:
Stefan Kost 2009-11-25 10:17:34 +02:00
parent 9d6adc8f3c
commit 38bd5e5106
1 changed files with 40 additions and 26 deletions
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66
tests/check/elements/rtpjitterbuffer.c
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@ -27,6 +27,7 @@
static GstPad *mysrcpad, *mysinkpad;
/* we also have a list of src buffers */
static GList *inbuffers = NULL;
static gint num_dropped = 0;
#define RTP_CAPS_STRING \
"application/x-rtp, " \
@ -49,6 +50,16 @@ static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
"clock-rate = (int) [ 1, 2147483647 ]")
);
static void
buffer_dropped (gpointer mem)
{
if (mem) {
GST_DEBUG ("dropping buffer: data=%p", mem);
g_free (mem);
num_dropped++;
}
}
static GstElement *
setup_jitterbuffer (gint num_buffers)
{
@ -56,7 +67,7 @@ setup_jitterbuffer (gint num_buffers)
GstClock *clock;
GstBuffer *buffer;
GstCaps *caps;
/* generated with
/* a 20 sample audio block (2,5 ms) generated with
* gst-launch audiotestsrc wave=silence blocksize=40 num-buffers=3 !
* "audio/x-raw-int,channels=1,rate=8000" ! mulawenc ! rtppcmupay !
* fakesink dump=1
@ -68,7 +79,7 @@ setup_jitterbuffer (gint num_buffers)
};
GstClockTime ts = G_GUINT64_CONSTANT (0);
GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
/*guint latency = GST_TIME_AS_MSECONDS (num_buffers*tso); */
/*guint latency = GST_TIME_AS_MSECONDS (num_buffers * tso); */
gint i;
GST_DEBUG ("setup_jitterbuffer");
@ -96,6 +107,8 @@ setup_jitterbuffer (gint num_buffers)
gst_buffer_set_caps (buffer, caps);
GST_BUFFER_TIMESTAMP (buffer) = ts;
GST_BUFFER_DURATION (buffer) = tso;
GST_BUFFER_FREE_FUNC (buffer) = buffer_dropped;
GST_DEBUG ("created buffer: %p, data=%p", buffer, GST_BUFFER_DATA (buffer));
if (!i)
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
@ -109,6 +122,7 @@ setup_jitterbuffer (gint num_buffers)
ts += tso;
}
gst_caps_unref (caps);
num_dropped = 0;
return jitterbuffer;
}
@ -139,10 +153,19 @@ check_jitterbuffer_results (GstElement * jitterbuffer, gint num_buffers)
GList *node;
GstClockTime ts = G_GUINT64_CONSTANT (0);
GstClockTime tso = gst_util_uint64_scale (RTP_FRAME_SIZE, GST_SECOND, 8000);
guint test_duration = GST_TIME_AS_USECONDS (num_buffers * tso);
guint8 *data;
guint16 prev_sn = 0, cur_sn;
guint32 prev_ts = 0, cur_ts;
/* sleep for twice the duration of the tested buffers */
g_usleep (2 * test_duration);
GST_INFO ("of %d buffer %d/%d received/dropped", num_buffers,
g_list_length (buffers), num_dropped);
/* if this fails, not all buffers have been processed */
fail_unless_equals_int ((g_list_length (buffers) + num_dropped), num_buffers);
/* check the buffer list */
fail_unless_equals_int (g_list_length (buffers), num_buffers);
for (node = buffers; node; node = g_list_next (node)) {
@ -191,7 +214,6 @@ GST_START_TEST (test_push_forward_seq)
GST_END_TEST;
#if 0
GST_START_TEST (test_push_backward_seq)
{
GstElement *jitterbuffer;
@ -210,13 +232,6 @@ GST_START_TEST (test_push_backward_seq)
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
/* attempt to flush the jitterbuffer */
#if 0
gst_pad_push_event (mysrcpad, gst_event_new_eos ());
gst_element_set_state (jitterbuffer, GST_STATE_READY);
gst_element_get_state (jitterbuffer, NULL, NULL, GST_CLOCK_TIME_NONE);
#endif
/* check the buffer list */
check_jitterbuffer_results (jitterbuffer, num_buffers);
@ -226,7 +241,6 @@ GST_START_TEST (test_push_backward_seq)
GST_END_TEST;
GST_START_TEST (test_push_unordered)
{
GstElement *jitterbuffer;
@ -246,13 +260,6 @@ GST_START_TEST (test_push_unordered)
buffer = g_list_nth_data (inbuffers, 1);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
/* attempt to flush the jitterbuffer */
#if 0
gst_pad_push_event (mysrcpad, gst_event_new_eos ());
gst_element_set_state (jitterbuffer, GST_STATE_READY);
gst_element_get_state (jitterbuffer, NULL, NULL, GST_CLOCK_TIME_NONE);
#endif
/* check the buffer list */
check_jitterbuffer_results (jitterbuffer, num_buffers);
@ -261,7 +268,6 @@ GST_START_TEST (test_push_unordered)
}
GST_END_TEST;
#endif
static Suite *
rtpjitterbuffer_suite (void)
@ -270,15 +276,23 @@ rtpjitterbuffer_suite (void)
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_push_forward_seq);
if (0) {
tcase_add_test (tc_chain, test_push_forward_seq);
/* this one does not work yet (bug in test or jitter buffer?), sometimes I get
elements/rtpjitterbuffer.c:168:F:general:test_push_backward_seq:0: 'g_list_length (buffers)' (1) is not equal to 'num_buffers' (3)
0:00:00.113317818 761 0x9a74008 WARN rtpjitterbuffer rtpjitterbuffer.c:249:calculate_skew: backward timestamps at server, taking new base time
0:00:00.113547177 761 0x9a74008 WARN rtpjitterbuffer rtpjitterbuffer.c:249:calculate_skew: backward timestamps at server, taking new base time
*/
tcase_add_test (tc_chain, test_push_backward_seq);
}
if (0) {
/* this one does not work yet (bug in test or jitter buffer?), sometimes I get
elements/rtpjitterbuffer.c:168:F:general:test_push_unordered:0: 'g_list_length (buffers)' (2) is not equal to 'num_buffers' (3)
0:00:00.090439642 1216 0x9096008 WARN gstrtpjitterbuffer gstrtpjitterbuffer.c:1309:gst_rtp_jitter_buffer_chain:<gstrtpjitterbuffer> Packet #7205 too late as #7206 was already popped, dropping
0:00:00.090674798 1216 0x9096008 WARN gstrtpjitterbuffer gstrtpjitterbuffer.c:1309:gst_rtp_jitter_buffer_chain:<gstrtpjitterbuffer> Packet #7204 too late as #7206 was already popped, dropping
*/
tcase_add_test (tc_chain, test_push_unordered);
}
#if 0
/* these don't work yet, buffers get dropped or never arrive in the buffers
* list */
tcase_add_test (tc_chain, test_push_backward_seq);
tcase_add_test (tc_chain, test_push_unordered);
#endif
/* FIXME: test buffer lists */