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rtpgstpay: Add support for force-keyunit events

Browse source 
This triggers immediate re-sending of the configuration data in-band.

https://bugzilla.gnome.org/show_bug.cgi?id=796877
This commit is contained in:
Sebastian Dröge 2018-07-26 16:43:28 +03:00
parent f3631e6837
commit 9a80cdbb40
3 changed files with 33 additions and 1 deletions
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7
gst/rtp/gstrtpgstdepay.c
View file

@ -27,6 +27,8 @@
#include "gstrtpgstdepay.h"
#include "gstrtputils.h"
#include <gst/video/video.h>
GST_DEBUG_CATEGORY_STATIC (rtpgstdepay_debug);
#define GST_CAT_DEFAULT (rtpgstdepay_debug)
@ -558,6 +560,11 @@ missing_caps:
{
GST_INFO_OBJECT (rtpgstdepay, "No caps received yet %u", CV);
gst_buffer_unref (outbuf);
gst_pad_push_event (GST_RTP_BASE_DEPAYLOAD_SINKPAD (rtpgstdepay),
gst_video_event_new_upstream_force_key_unit (GST_CLOCK_TIME_NONE,
TRUE, 0));
return NULL;
}
}

26
gst/rtp/gstrtpgstpay.c
View file

@ -24,6 +24,7 @@
#include <string.h>
#include <gst/rtp/gstrtpbuffer.h>
#include <gst/video/video.h>
#include "gstrtpgstpay.h"
#include "gstrtputils.h"
@ -96,6 +97,8 @@ static GstFlowReturn gst_rtp_gst_pay_handle_buffer (GstRTPBasePayload * payload,
GstBuffer * buffer);
static gboolean gst_rtp_gst_pay_sink_event (GstRTPBasePayload * payload,
GstEvent * event);
static gboolean gst_rtp_gst_pay_src_event (GstRTPBasePayload * payload,
GstEvent * event);
#define gst_rtp_gst_pay_parent_class parent_class
G_DEFINE_TYPE (GstRtpGSTPay, gst_rtp_gst_pay, GST_TYPE_RTP_BASE_PAYLOAD);
@ -139,6 +142,7 @@ gst_rtp_gst_pay_class_init (GstRtpGSTPayClass * klass)
gstrtpbasepayload_class->set_caps = gst_rtp_gst_pay_setcaps;
gstrtpbasepayload_class->handle_buffer = gst_rtp_gst_pay_handle_buffer;
gstrtpbasepayload_class->sink_event = gst_rtp_gst_pay_sink_event;
gstrtpbasepayload_class->src_event = gst_rtp_gst_pay_src_event;
GST_DEBUG_CATEGORY_INIT (gst_rtp_pay_debug, "rtpgstpay", 0,
"rtpgstpay element");
@ -504,6 +508,10 @@ gst_rtp_gst_pay_sink_event (GstRTPBasePayload * payload, GstEvent * event)
rtpgstpay = GST_RTP_GST_PAY (payload);
if (gst_video_event_is_force_key_unit (event)) {
g_atomic_int_set (&rtpgstpay->force_config, TRUE);
}
ret =
GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->sink_event (payload,
gst_event_ref (event));
@ -572,6 +580,20 @@ gst_rtp_gst_pay_sink_event (GstRTPBasePayload * payload, GstEvent * event)
return ret;
}
static gboolean
gst_rtp_gst_pay_src_event (GstRTPBasePayload * payload, GstEvent * event)
{
GstRtpGSTPay *rtpgstpay;
rtpgstpay = GST_RTP_GST_PAY (payload);
if (gst_video_event_is_force_key_unit (event)) {
g_atomic_int_set (&rtpgstpay->force_config, TRUE);
}
return GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->src_event (payload, event);
}
static void
gst_rtp_gst_pay_send_config (GstRtpGSTPay * rtpgstpay,
GstClockTime running_time)
@ -621,7 +643,9 @@ gst_rtp_gst_pay_handle_buffer (GstRTPBasePayload * basepayload,
timestamp);
/* check if we need to send the caps and taglist now */
if (rtpgstpay->config_interval > 0) {
if (rtpgstpay->config_interval > 0
|| g_atomic_int_compare_and_exchange (&rtpgstpay->force_config, TRUE,
FALSE)) {
GST_DEBUG_OBJECT (rtpgstpay,
"running time %" GST_TIME_FORMAT ", last config %" GST_TIME_FORMAT,
GST_TIME_ARGS (running_time), GST_TIME_ARGS (rtpgstpay->last_config));

1
gst/rtp/gstrtpgstpay.h
View file

@ -56,6 +56,7 @@ struct _GstRtpGSTPay
GstTagList *taglist;
guint config_interval;
GstClockTime last_config;
gboolean force_config;
};
struct _GstRtpGSTPayClass