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rtpbin: do better cleanup of the src ghostpads

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Connect to the pad-removed signal of the ptdemux elements so that we remove the
ghostpads for them. Fixes cleanup when going to NULL as well as when releasing
the sinkpads.

Fixes #561752
This commit is contained in:
Wim Taymans 2009-06-29 18:48:33 +02:00
parent 9aca6def9c
commit 4bc5e2f61e
2 changed files with 114 additions and 14 deletions
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44
gst/rtpmanager/gstrtpbin.c
View file

@ -288,10 +288,9 @@ struct _GstRtpBinStream
/* the PT demuxer of the SSRC */
GstElement *demux;
gulong demux_newpad_sig;
gulong demux_padremoved_sig;
gulong demux_ptreq_sig;
gulong demux_pt_change_sig;
/* ghostpads from the ptdemuxer */
GSList *pads;
/* if we have calculated a valid unix_delta for this stream */
gboolean have_sync;
@ -1152,7 +1151,6 @@ static void
free_stream (GstRtpBinStream * stream)
{
GstRtpBinSession *session;
GSList *walk;
session = stream->session;
@ -1165,17 +1163,13 @@ free_stream (GstRtpBinStream * stream)
gst_element_set_state (stream->demux, GST_STATE_NULL);
gst_element_set_state (stream->buffer, GST_STATE_NULL);
/* now remove this signal, we need this while going to NULL because it to
* do some cleanups */
g_signal_handler_disconnect (stream->demux, stream->demux_padremoved_sig);
gst_bin_remove (GST_BIN_CAST (session->bin), stream->buffer);
gst_bin_remove (GST_BIN_CAST (session->bin), stream->demux);
for (walk = stream->pads; walk; walk = g_slist_next (walk)) {
GstPad *gpad = GST_PAD_CAST (walk->data);
gst_pad_set_active (gpad, FALSE);
gst_element_remove_pad (GST_ELEMENT_CAST (session->bin), gpad);
}
g_slist_free (stream->pads);
g_free (stream);
}
@ -1744,13 +1738,11 @@ new_payload_found (GstElement * element, guint pt, GstPad * pad,
stream->session->id, stream->ssrc, pt);
gpad = gst_ghost_pad_new_from_template (padname, pad, templ);
g_free (padname);
g_object_set_data (G_OBJECT (pad), "GstRTPBin.ghostpad", gpad);
gst_pad_set_caps (gpad, GST_PAD_CAPS (pad));
gst_pad_set_active (gpad, TRUE);
gst_element_add_pad (GST_ELEMENT_CAST (rtpbin), gpad);
stream->pads = g_slist_prepend (stream->pads, gpad);
GST_RTP_BIN_SHUTDOWN_UNLOCK (rtpbin);
return;
@ -1762,6 +1754,27 @@ shutdown:
}
}
static void
payload_pad_removed (GstElement * element, GstPad * pad,
GstRtpBinStream * stream)
{
GstRtpBin *rtpbin;
GstPad *gpad;
rtpbin = stream->bin;
GST_DEBUG ("payload pad removed");
GST_RTP_BIN_DYN_LOCK (rtpbin);
if ((gpad = g_object_get_data (G_OBJECT (pad), "GstRTPBin.ghostpad"))) {
g_object_set_data (G_OBJECT (pad), "GstRTPBin.ghostpad", NULL);
gst_pad_set_active (gpad, FALSE);
gst_element_remove_pad (GST_ELEMENT_CAST (rtpbin), gpad);
}
GST_RTP_BIN_DYN_UNLOCK (rtpbin);
}
static GstCaps *
pt_map_requested (GstElement * element, guint pt, GstRtpBinSession * session)
{
@ -1869,6 +1882,9 @@ new_ssrc_pad_found (GstElement * element, guint ssrc, GstPad * pad,
* new pad by ghosting it. */
stream->demux_newpad_sig = g_signal_connect (stream->demux,
"new-payload-type", (GCallback) new_payload_found, stream);
stream->demux_padremoved_sig = g_signal_connect (stream->demux,
"pad-removed", (GCallback) payload_pad_removed, stream);
/* connect to the request-pt-map signal. This signal will be emited by the
* demuxer so that it can apply a proper caps on the buffers for the
* depayloaders. */

84
tests/check/elements/rtpbin.c
View file

@ -306,6 +306,89 @@ GST_START_TEST (test_cleanup_recv)
GST_END_TEST;
GST_START_TEST (test_cleanup_recv2)
{
GstElement *rtpbin;
GstPad *rtp_sink;
CleanupData data;
GstStateChangeReturn ret;
GstFlowReturn res;
GstBuffer *buffer;
gint count = 2;
init_data (&data);
rtpbin = gst_element_factory_make ("gstrtpbin", "rtpbin");
g_signal_connect (rtpbin, "pad-added", (GCallback) pad_added_cb, &data);
g_signal_connect (rtpbin, "pad-removed", (GCallback) pad_removed_cb, &data);
ret = gst_element_set_state (rtpbin, GST_STATE_PLAYING);
fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
/* request session 0 */
rtp_sink = gst_element_get_request_pad (rtpbin, "recv_rtp_sink_0");
fail_unless (rtp_sink != NULL);
ASSERT_OBJECT_REFCOUNT (rtp_sink, "rtp_sink", 2);
while (count--) {
/* no sourcepads are created yet */
fail_unless (rtpbin->numsinkpads == 1);
fail_unless (rtpbin->numsrcpads == 0);
buffer = make_rtp_packet (&data);
res = gst_pad_chain (rtp_sink, buffer);
GST_DEBUG ("res %d, %s\n", res, gst_flow_get_name (res));
fail_unless (res == GST_FLOW_OK);
buffer = make_rtp_packet (&data);
res = gst_pad_chain (rtp_sink, buffer);
GST_DEBUG ("res %d, %s\n", res, gst_flow_get_name (res));
fail_unless (res == GST_FLOW_OK);
/* we wait for the new pad to appear now */
g_mutex_lock (data.lock);
while (!data.pad_added)
g_cond_wait (data.cond, data.lock);
g_mutex_unlock (data.lock);
/* sourcepad created now */
fail_unless (rtpbin->numsinkpads == 1);
fail_unless (rtpbin->numsrcpads == 1);
/* change state */
ret = gst_element_set_state (rtpbin, GST_STATE_NULL);
fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
/* pad should be gone now */
g_mutex_lock (data.lock);
while (data.pad_added)
g_cond_wait (data.cond, data.lock);
g_mutex_unlock (data.lock);
/* back to playing for the next round */
ret = gst_element_set_state (rtpbin, GST_STATE_PLAYING);
fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
}
/* remove the session */
gst_element_release_request_pad (rtpbin, rtp_sink);
gst_object_unref (rtp_sink);
/* nothing left anymore now */
fail_unless (rtpbin->numsinkpads == 0);
fail_unless (rtpbin->numsrcpads == 0);
ret = gst_element_set_state (rtpbin, GST_STATE_NULL);
fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
gst_object_unref (rtpbin);
clean_data (&data);
}
GST_END_TEST;
Suite *
gstrtpbin_suite (void)
{
@ -315,6 +398,7 @@ gstrtpbin_suite (void)
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_cleanup_send);
tcase_add_test (tc_chain, test_cleanup_recv);
tcase_add_test (tc_chain, test_cleanup_recv2);
return s;
}