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rtpsession: Emit signal when sending a compound RTCP packet

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This allows users to add extra RTCP packets to the compound
RTCP packet.
This commit is contained in:
Olivier Crête 2010-06-14 18:40:33 -04:00 committed by Wim Taymans
parent 589b254ce5
commit cdb5465741
3 changed files with 36 additions and 0 deletions
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1
gst/rtpmanager/gstrtpbin-marshal.list
View file

@ -7,3 +7,4 @@ VOID:UINT
VOID:UINT,UINT
VOID:OBJECT,OBJECT
UINT64:BOOL,UINT64
BOOL:POINTER,BOOL

33
gst/rtpmanager/rtpsession.c
View file

@ -42,6 +42,7 @@ enum
SIGNAL_ON_BYE_TIMEOUT,
SIGNAL_ON_TIMEOUT,
SIGNAL_ON_SENDER_TIMEOUT,
SIGNAL_ON_SENDING_RTCP,
LAST_SIGNAL
};
@ -107,6 +108,16 @@ static GstFlowReturn rtp_session_schedule_bye_locked (RTPSession * sess,
static GstClockTime calculate_rtcp_interval (RTPSession * sess,
gboolean deterministic, gboolean first);
static gboolean
accumulate_trues (GSignalInvocationHint * ihint, GValue * return_accu,
const GValue * handler_return, gpointer data)
{
if (g_value_get_boolean (handler_return))
g_value_set_boolean (return_accu, TRUE);
return TRUE;
}
static void
rtp_session_class_init (RTPSessionClass * klass)
{
@ -240,6 +251,24 @@ rtp_session_class_init (RTPSessionClass * klass)
NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1,
RTP_TYPE_SOURCE);
/**
* RTPSession::on-sending-rtcp
* @session: the object which received the signal
* @buffer: the #GstBuffer containing the RTCP packet about to be sent
* @early: %TRUE if the packet is early, %FALSE if it is regular
*
* This signal is emitted before sending an RTCP packet, it can be used
* to add extra RTCP Packets.
*
* Returns: %TRUE if the RTCP buffer should NOT be suppressed, %FALSE
* if suppressing it is acceptable
*/
rtp_session_signals[SIGNAL_ON_SENDING_RTCP] =
g_signal_new ("on-sending-rtcp", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (RTPSessionClass, on_sending_rtcp),
accumulate_trues, NULL, gst_rtp_bin_marshal_BOOLEAN__POINTER_BOOLEAN,
G_TYPE_BOOLEAN, 2, G_TYPE_POINTER, G_TYPE_BOOLEAN);
g_object_class_install_property (gobject_class, PROP_INTERNAL_SSRC,
g_param_spec_uint ("internal-ssrc", "Internal SSRC",
"The internal SSRC used for the session",
@ -2704,6 +2733,10 @@ rtp_session_on_timeout (RTPSession * sess, GstClockTime current_time,
/* push out the RTCP packet */
if (data.rtcp) {
/* Give the user a change to add its own packet */
g_signal_emit (sess, rtp_session_signals[SIGNAL_ON_SENDING_RTCP], 0,
data.rtcp, FALSE, NULL);
/* close the RTCP packet */
gst_rtcp_buffer_end (data.rtcp);

2
gst/rtpmanager/rtpsession.h
View file

@ -224,6 +224,8 @@ struct _RTPSessionClass {
void (*on_bye_timeout) (RTPSession *sess, RTPSource *source);
void (*on_timeout) (RTPSession *sess, RTPSource *source);
void (*on_sender_timeout) (RTPSession *sess, RTPSource *source);
gboolean (*on_sending_rtcp) (RTPSession *sess, GstBuffer *buffer,
gboolean early);
};
GType rtp_session_get_type (void);