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rtpsession: Add new signal 'on-app-rtcp'

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Similar to the 'on-feedback-rtcp' signal, but emitted for RTCP APP
packets.

https://bugzilla.gnome.org/show_bug.cgi?id=762217
This commit is contained in:
Stian Selnes 2015-11-17 18:17:35 +01:00 committed by Sebastian Dröge
parent eb13a1d607
commit 4c0e509328
3 changed files with 130 additions and 0 deletions
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45
gst/rtpmanager/rtpsession.c
View file

@ -47,6 +47,7 @@ enum
SIGNAL_ON_TIMEOUT,
SIGNAL_ON_SENDER_TIMEOUT,
SIGNAL_ON_SENDING_RTCP,
SIGNAL_ON_APP_RTCP,
SIGNAL_ON_FEEDBACK_RTCP,
SIGNAL_SEND_RTCP,
SIGNAL_SEND_RTCP_FULL,
@ -296,6 +297,23 @@ rtp_session_class_init (RTPSessionClass * klass)
accumulate_trues, NULL, g_cclosure_marshal_generic, G_TYPE_BOOLEAN, 2,
GST_TYPE_BUFFER | G_SIGNAL_TYPE_STATIC_SCOPE, G_TYPE_BOOLEAN);
/**
* RTPSession::on-app-rtcp:
* @session: the object which received the signal
* @subtype: The subtype of the packet
* @ssrc: The SSRC/CSRC of the packet
* @name: The name of the packet
* @data: a #GstBuffer with the application-dependant data or %NULL if
* there was no data
*
* Notify that a RTCP APP packet has been received
*/
rtp_session_signals[SIGNAL_ON_APP_RTCP] =
g_signal_new ("on-app-rtcp", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (RTPSessionClass, on_app_rtcp),
NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 4,
G_TYPE_UINT, G_TYPE_UINT, G_TYPE_STRING, GST_TYPE_BUFFER);
/**
* RTPSession::on-feedback-rtcp:
* @session: the object which received the signal
@ -2517,6 +2535,33 @@ rtp_session_process_app (RTPSession * sess, GstRTCPPacket * packet,
RTPPacketInfo * pinfo)
{
GST_DEBUG ("received APP");
if (g_signal_has_handler_pending (sess,
rtp_session_signals[SIGNAL_ON_APP_RTCP], 0, TRUE)) {
GstBuffer *data_buffer = NULL;
guint16 data_length;
gchar name[5];
data_length = gst_rtcp_packet_app_get_data_length (packet) * 4;
if (data_length > 0) {
guint8 *data = gst_rtcp_packet_app_get_data (packet);
data_buffer = gst_buffer_copy_region (packet->rtcp->buffer,
GST_BUFFER_COPY_MEMORY, data - packet->rtcp->map.data, data_length);
GST_BUFFER_PTS (data_buffer) = pinfo->running_time;
}
memcpy (name, gst_rtcp_packet_app_get_name (packet), 4);
name[4] = '\0';
RTP_SESSION_UNLOCK (sess);
g_signal_emit (sess, rtp_session_signals[SIGNAL_ON_APP_RTCP], 0,
gst_rtcp_packet_app_get_subtype (packet),
gst_rtcp_packet_app_get_ssrc (packet), name, data_buffer);
RTP_SESSION_LOCK (sess);
if (data_buffer)
gst_buffer_unref (data_buffer);
}
}
static gboolean

2
gst/rtpmanager/rtpsession.h
View file

@ -309,6 +309,8 @@ struct _RTPSessionClass {
void (*on_sender_timeout) (RTPSession *sess, RTPSource *source);
gboolean (*on_sending_rtcp) (RTPSession *sess, GstBuffer *buffer,
gboolean early);
void (*on_app_rtcp) (RTPSession *sess, guint subtype, guint ssrc,
const gchar *name, GstBuffer *data);
void (*on_feedback_rtcp) (RTPSession *sess, guint type, guint fbtype,
guint sender_ssrc, guint media_ssrc, GstBuffer *fci);
gboolean (*send_rtcp) (RTPSession *sess, GstClockTime max_delay);

83
tests/check/elements/rtpsession.c
View file

@ -21,6 +21,7 @@
* Boston, MA 02110-1301, USA.
*/
#include <gst/check/gstharness.h>
#include <gst/check/gstcheck.h>
#include <gst/check/gsttestclock.h>
@ -576,6 +577,87 @@ GST_START_TEST (test_internal_sources_timeout)
GST_END_TEST;
typedef struct
{
guint8 subtype;
guint32 ssrc;
gchar *name;
GstBuffer *data;
} RTCPAppResult;
static void
on_app_rtcp_cb (GObject * session, guint subtype, guint ssrc,
const gchar * name, GstBuffer * data, RTCPAppResult * result)
{
result->subtype = subtype;
result->ssrc = ssrc;
result->name = g_strdup (name);
result->data = data ? gst_buffer_ref (data) : NULL;
}
GST_START_TEST (test_receive_rtcp_app_packet)
{
GstHarness *h;
GstBuffer *buffer;
GstRTCPBuffer rtcp = GST_RTCP_BUFFER_INIT;
GstRTCPPacket packet;
RTCPAppResult result = { 0 };
GstElement *internal_session;
guint8 data[] = { 0x11, 0x22, 0x33, 0x44 };
h = gst_harness_new_with_padnames ("rtpsession", "recv_rtcp_sink", NULL);
g_object_get (h->element, "internal-session", &internal_session, NULL);
g_signal_connect (internal_session, "on-app-rtcp",
G_CALLBACK (on_app_rtcp_cb), &result);
/* Push APP buffer with no data */
buffer = gst_rtcp_buffer_new (1000);
fail_unless (gst_rtcp_buffer_map (buffer, GST_MAP_READWRITE, &rtcp));
fail_unless (gst_rtcp_buffer_add_packet (&rtcp, GST_RTCP_TYPE_APP, &packet));
gst_rtcp_packet_app_set_subtype (&packet, 21);
gst_rtcp_packet_app_set_ssrc (&packet, 0x11111111);
gst_rtcp_packet_app_set_name (&packet, "Test");
gst_rtcp_buffer_unmap (&rtcp);
gst_harness_set_src_caps_str (h, "application/x-rtcp");
fail_unless_equals_int (gst_harness_push (h, buffer), GST_FLOW_OK);
fail_unless_equals_int (result.subtype, 21);
fail_unless_equals_int (result.ssrc, 0x11111111);
fail_unless_equals_string (result.name, "Test");
fail_unless_equals_pointer (result.data, NULL);
g_free (result.name);
/* Push APP buffer with data */
memset (&result, 0, sizeof (result));
buffer = gst_rtcp_buffer_new (1000);
fail_unless (gst_rtcp_buffer_map (buffer, GST_MAP_READWRITE, &rtcp));
fail_unless (gst_rtcp_buffer_add_packet (&rtcp, GST_RTCP_TYPE_APP, &packet));
gst_rtcp_packet_app_set_subtype (&packet, 22);
gst_rtcp_packet_app_set_ssrc (&packet, 0x22222222);
gst_rtcp_packet_app_set_name (&packet, "Test");
gst_rtcp_packet_app_set_data_length (&packet, sizeof (data) / 4);
memcpy (gst_rtcp_packet_app_get_data (&packet), data, sizeof (data));
gst_rtcp_buffer_unmap (&rtcp);
fail_unless_equals_int (gst_harness_push (h, buffer), GST_FLOW_OK);
fail_unless_equals_int (result.subtype, 22);
fail_unless_equals_int (result.ssrc, 0x22222222);
fail_unless_equals_string (result.name, "Test");
fail_unless (gst_buffer_memcmp (result.data, 0, data, sizeof (data)) == 0);
g_free (result.name);
gst_buffer_unref (result.data);
gst_object_unref (internal_session);
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
rtpsession_suite (void)
{
@ -586,6 +668,7 @@ rtpsession_suite (void)
tcase_add_test (tc_chain, test_multiple_ssrc_rr);
tcase_add_test (tc_chain, test_multiple_senders_roundrobin_rbs);
tcase_add_test (tc_chain, test_internal_sources_timeout);
tcase_add_test (tc_chain, test_receive_rtcp_app_packet);
return s;
}