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add refresh message

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Add a new refresh message to request a keyframe from the pinos server.
pinospay: pass the refresh-request message upstream
pinossink: turn refresh-request messages into events
pinossrc: turn a keyframe event into a refresh-request message
This commit is contained in:
Wim Taymans 2016-04-13 13:04:32 +02:00
parent 833168c3cf
commit d5e333ac4b
7 changed files with 212 additions and 3 deletions
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53
pinos/gst/gstpinossrc.c
View file

@ -42,6 +42,7 @@
#include <gio/gunixfdmessage.h>
#include <gst/net/gstnetclientclock.h>
#include <gst/allocators/gstfdmemory.h>
#include <gst/video/video.h>
static GQuark fdpayload_data_quark;
@ -84,6 +85,7 @@ static gboolean gst_pinos_src_unlock (GstBaseSrc * basesrc);
static gboolean gst_pinos_src_unlock_stop (GstBaseSrc * basesrc);
static gboolean gst_pinos_src_start (GstBaseSrc * basesrc);
static gboolean gst_pinos_src_stop (GstBaseSrc * basesrc);
static gboolean gst_pinos_src_event (GstBaseSrc * src, GstEvent * event);
static void
gst_pinos_src_set_property (GObject * object, guint prop_id,
@ -245,7 +247,7 @@ gst_pinos_src_class_init (GstPinosSrcClass * klass)
gstbasesrc_class->unlock_stop = gst_pinos_src_unlock_stop;
gstbasesrc_class->start = gst_pinos_src_start;
gstbasesrc_class->stop = gst_pinos_src_stop;
gstbasesrc_class->event = gst_pinos_src_event;
gstpushsrc_class->create = gst_pinos_src_create;
GST_DEBUG_CATEGORY_INIT (pinos_src_debug, "pinossrc", 0,
@ -724,6 +726,55 @@ gst_pinos_src_unlock_stop (GstBaseSrc * basesrc)
return TRUE;
}
static gboolean
gst_pinos_src_event (GstBaseSrc * src, GstEvent * event)
{
gboolean res = FALSE;
GstPinosSrc *pinossrc;
pinossrc = GST_PINOS_SRC (src);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_UPSTREAM:
if (gst_video_event_is_force_key_unit (event)) {
GstClockTime running_time;
gboolean all_headers;
guint count;
PinosPacketRefreshRequest refresh;
PinosBufferBuilder b;
PinosBuffer pbuf;
gst_video_event_parse_upstream_force_key_unit (event,
&running_time, &all_headers, &count);
refresh.last_id = 0;
refresh.request_type = all_headers ? 1 : 0;
refresh.pts = running_time;
pinos_buffer_builder_init (&b);
pinos_buffer_builder_add_refresh_request (&b, &refresh);
pinos_buffer_builder_end (&b, &pbuf);
GST_OBJECT_LOCK (pinossrc);
if (pinossrc->stream_state == PINOS_STREAM_STATE_STREAMING) {
GST_DEBUG_OBJECT (pinossrc, "send refresh request");
pinos_stream_send_buffer (pinossrc->stream, &pbuf);
}
GST_OBJECT_UNLOCK (pinossrc);
pinos_buffer_clear (&pbuf);
res = TRUE;
} else {
res = GST_BASE_SRC_CLASS (parent_class)->event (src, event);
}
break;
default:
res = GST_BASE_SRC_CLASS (parent_class)->event (src, event);
break;
}
return res;
}
static GstFlowReturn
gst_pinos_src_create (GstPushSrc * psrc, GstBuffer ** buffer)
{