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rtph264depay: expose request-keyframe property

Browse source 
When set, the depayloader will request new keyframes on packet
loss

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/834>
This commit is contained in:
Mathieu Duponchelle 2020-12-09 01:40:45 +01:00 committed by GStreamer Merge Bot
parent 20fc6da913
commit 49de1e6679
2 changed files with 30 additions and 1 deletions
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30
gst/rtp/gstrtph264depay.c
View file

@ -39,11 +39,13 @@ GST_DEBUG_CATEGORY_STATIC (rtph264depay_debug);
#define DEFAULT_BYTE_STREAM TRUE
#define DEFAULT_ACCESS_UNIT FALSE
#define DEFAULT_WAIT_FOR_KEYFRAME FALSE
#define DEFAULT_REQUEST_KEYFRAME FALSE
enum
{
PROP_0,
PROP_WAIT_FOR_KEYFRAME
PROP_WAIT_FOR_KEYFRAME,
PROP_REQUEST_KEYFRAME,
};
@ -117,6 +119,9 @@ gst_rtp_h264_depay_set_property (GObject * object, guint prop_id,
case PROP_WAIT_FOR_KEYFRAME:
self->wait_for_keyframe = g_value_get_boolean (value);
break;
case PROP_REQUEST_KEYFRAME:
self->request_keyframe = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -133,6 +138,9 @@ gst_rtp_h264_depay_get_property (GObject * object, guint prop_id,
case PROP_WAIT_FOR_KEYFRAME:
g_value_set_boolean (value, self->wait_for_keyframe);
break;
case PROP_REQUEST_KEYFRAME:
g_value_set_boolean (value, self->request_keyframe);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -169,6 +177,19 @@ gst_rtp_h264_depay_class_init (GstRtpH264DepayClass * klass)
DEFAULT_WAIT_FOR_KEYFRAME,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstRtpH264Depay:request-keyframe:
*
* Request new keyframe when packet loss is detected
*
* Since: 1.20
*/
g_object_class_install_property (gobject_class, PROP_REQUEST_KEYFRAME,
g_param_spec_boolean ("request-keyframe", "Request Keyframe",
"Request new keyframe when packet loss is detected",
DEFAULT_REQUEST_KEYFRAME,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_static_pad_template (gstelement_class,
&gst_rtp_h264_depay_src_template);
gst_element_class_add_static_pad_template (gstelement_class,
@ -197,6 +218,7 @@ gst_rtp_h264_depay_init (GstRtpH264Depay * rtph264depay)
rtph264depay->pps = g_ptr_array_new_with_free_func (
(GDestroyNotify) gst_buffer_unref);
rtph264depay->wait_for_keyframe = DEFAULT_WAIT_FOR_KEYFRAME;
rtph264depay->request_keyframe = DEFAULT_REQUEST_KEYFRAME;
}
static void
@ -1138,6 +1160,12 @@ gst_rtp_h264_depay_process (GstRTPBaseDepayload * depayload, GstRTPBuffer * rtp)
if (rtph264depay->merge && rtph264depay->wait_for_keyframe) {
rtph264depay->waiting_for_keyframe = TRUE;
}
if (rtph264depay->request_keyframe)
gst_pad_push_event (GST_RTP_BASE_DEPAYLOAD_SINKPAD (depayload),
gst_video_event_new_upstream_force_key_unit (GST_CLOCK_TIME_NONE,
TRUE, 0));
}
{

1
gst/rtp/gstrtph264depay.h
View file

@ -73,6 +73,7 @@ struct _GstRtpH264Depay
GstAllocationParams params;
gboolean wait_for_keyframe;
gboolean request_keyframe;
gboolean waiting_for_keyframe;
};