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rtpbin: Implement releasing the streams

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See #561752
This commit is contained in:
Olivier Crête 2009-05-22 01:43:50 +02:00 committed by Tim-Philipp Müller
parent e77542d350
commit a1c0bb2488
1 changed files with 53 additions and 21 deletions
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74
gst/rtpmanager/gstrtpbin.c
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@ -335,6 +335,7 @@ struct _GstRtpBinSession
/* the SSRC demuxer */
GstElement *demux;
gulong demux_newpad_sig;
gulong demux_padremoved_sig;
GMutex *lock;
@ -471,6 +472,45 @@ on_npt_stop (GstElement * jbuf, GstRtpBinStream * stream)
stream->session->id, stream->ssrc);
}
/* must be called with the SESSION lock */
static GstRtpBinStream *
find_stream_by_ssrc (GstRtpBinSession * session, guint32 ssrc)
{
GSList *walk;
for (walk = session->streams; walk; walk = g_slist_next (walk)) {
GstRtpBinStream *stream = (GstRtpBinStream *) walk->data;
if (stream->ssrc == ssrc)
return stream;
}
return NULL;
}
static void
ssrc_demux_pad_removed (GstElement * element, GstPad * pad,
GstRtpBinSession * session)
{
guint ssrc;
GstRtpBinStream *stream = NULL;
gchar *name;
gint res;
name = gst_pad_get_name (pad);
res = sscanf (name, "src_%d", &ssrc);
g_free (name);
if (res != 1)
return;
GST_RTP_SESSION_LOCK (session);
if ((stream = find_stream_by_ssrc (session, ssrc))) {
session->streams = g_slist_remove (session->streams, stream);
free_stream (stream);
}
GST_RTP_SESSION_UNLOCK (session);
}
/* create a session with the given id. Must be called with RTP_BIN_LOCK */
static GstRtpBinSession *
create_session (GstRtpBin * rtpbin, gint id)
@ -595,22 +635,6 @@ free_session (GstRtpBinSession * sess)
g_free (sess);
}
#if 0
static GstRtpBinStream *
find_stream_by_ssrc (GstRtpBinSession * session, guint32 ssrc)
{
GSList *walk;
for (walk = session->streams; walk; walk = g_slist_next (walk)) {
GstRtpBinStream *stream = (GstRtpBinStream *) walk->data;
if (stream->ssrc == ssrc)
return stream;
}
return NULL;
}
#endif
/* get the payload type caps for the specific payload @pt in @session */
static GstCaps *
get_pt_map (GstRtpBinSession * session, guint pt)
@ -1139,14 +1163,18 @@ free_stream (GstRtpBinStream * stream)
session = stream->session;
gst_element_set_state (stream->buffer, GST_STATE_NULL);
g_signal_handler_disconnect (stream->demux, stream->demux_newpad_sig);
g_signal_handler_disconnect (stream->demux, stream->demux_ptreq_sig);
g_signal_handler_disconnect (stream->buffer, stream->buffer_handlesync_sig);
g_signal_handler_disconnect (stream->buffer, stream->buffer_ptreq_sig);
g_signal_handler_disconnect (stream->buffer, stream->buffer_ntpstop_sig);
gst_element_set_state (stream->demux, GST_STATE_NULL);
gst_element_set_state (stream->buffer, GST_STATE_NULL);
gst_bin_remove (GST_BIN_CAST (session->bin), stream->buffer);
gst_bin_remove (GST_BIN_CAST (session->bin), stream->demux);
session->streams = g_slist_remove (session->streams, stream);
g_free (stream);
}
@ -2046,6 +2074,8 @@ create_recv_rtp (GstRtpBin * rtpbin, GstPadTemplate * templ, const gchar * name)
/* connect to the new-ssrc-pad signal of the SSRC demuxer */
session->demux_newpad_sig = g_signal_connect (session->demux,
"new-ssrc-pad", (GCallback) new_ssrc_pad_found, session);
session->demux_padremoved_sig = g_signal_connect (session->demux,
"pad-removed", (GCallback) ssrc_demux_pad_removed, session);
GST_DEBUG_OBJECT (rtpbin, "ghosting session sink pad");
result =
@ -2091,12 +2121,14 @@ remove_recv_rtp (GstRtpBin * rtpbin, GstRtpBinSession * session, GstPad * pad)
g_signal_handler_disconnect (session->demux, session->demux_newpad_sig);
session->demux_newpad_sig = 0;
}
if (session->demux_padremoved_sig) {
g_signal_handler_disconnect (session->demux, session->demux_padremoved_sig);
session->demux_padremoved_sig = 0;
}
if (session->recv_rtp_src) {
gst_object_unref (session->recv_rtp_src);
session->recv_rtp_src = NULL;
}
if (session->recv_rtp_sink) {
gst_element_release_request_pad (session->session, session->recv_rtp_sink);
session->recv_rtp_sink = NULL;