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srtpdec: Add config for the replay window size

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=751729
This commit is contained in:
Miguel París Díaz 2015-06-30 15:52:18 +02:00 committed by Sebastian Dröge
parent 0f37768626
commit 3a3c01e7c7
2 changed files with 66 additions and 1 deletions
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65
ext/srtp/gstsrtpdec.c
View file

@ -126,6 +126,8 @@
GST_DEBUG_CATEGORY_STATIC (gst_srtp_dec_debug);
#define GST_CAT_DEFAULT gst_srtp_dec_debug
#define DEFAULT_REPLAY_WINDOW_SIZE 128
/* Filter signals and args */
enum
{
@ -139,7 +141,8 @@ enum
enum
{
PROP_0
PROP_0,
PROP_REPLAY_WINDOW_SIZE
};
typedef struct _ValidateBufferItData
@ -194,6 +197,11 @@ static guint gst_srtp_dec_signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE (GstSrtpDec, gst_srtp_dec, GST_TYPE_ELEMENT);
static void gst_srtp_dec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_srtp_dec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_srtp_dec_clear_streams (GstSrtpDec * filter);
static void gst_srtp_dec_remove_stream (GstSrtpDec * filter, guint ssrc);
@ -252,10 +260,15 @@ struct _GstSrtpDecSsrcStream
static void
gst_srtp_dec_class_init (GstSrtpDecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gobject_class->set_property = gst_srtp_dec_set_property;
gobject_class->get_property = gst_srtp_dec_get_property;
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&rtp_src_template));
gst_element_class_add_pad_template (gstelement_class,
@ -277,6 +290,13 @@ gst_srtp_dec_class_init (GstSrtpDecClass * klass)
klass->clear_streams = GST_DEBUG_FUNCPTR (gst_srtp_dec_clear_streams);
klass->remove_stream = GST_DEBUG_FUNCPTR (gst_srtp_dec_remove_stream);
/* Install properties */
g_object_class_install_property (gobject_class, PROP_REPLAY_WINDOW_SIZE,
g_param_spec_uint ("replay-window-size", "Replay window size",
"Size of the replay protection window",
64, 0x8000, DEFAULT_REPLAY_WINDOW_SIZE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* Install signals */
/**
* GstSrtpDec::request-key:
@ -358,6 +378,8 @@ gst_srtp_dec_class_init (GstSrtpDecClass * klass)
static void
gst_srtp_dec_init (GstSrtpDec * filter)
{
filter->replay_window_size = DEFAULT_REPLAY_WINDOW_SIZE;
filter->rtp_sinkpad =
gst_pad_new_from_static_template (&rtp_sink_template, "rtp_sink");
gst_pad_set_event_function (filter->rtp_sinkpad,
@ -411,6 +433,46 @@ gst_srtp_dec_init (GstSrtpDec * filter)
filter->roc_changed = FALSE;
}
static void
gst_srtp_dec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSrtpDec *filter = GST_SRTP_DEC (object);
GST_OBJECT_LOCK (filter);
switch (prop_id) {
case PROP_REPLAY_WINDOW_SIZE:
filter->replay_window_size = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (filter);
}
static void
gst_srtp_dec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstSrtpDec *filter = GST_SRTP_DEC (object);
GST_OBJECT_LOCK (filter);
switch (prop_id) {
case PROP_REPLAY_WINDOW_SIZE:
g_value_set_uint (value, filter->replay_window_size);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (filter);
}
static void
gst_srtp_dec_remove_stream (GstSrtpDec * filter, guint ssrc)
{
@ -545,6 +607,7 @@ init_session_stream (GstSrtpDec * filter, guint32 ssrc,
policy.ssrc.value = ssrc;
policy.ssrc.type = ssrc_specific;
policy.window_size = filter->replay_window_size;
policy.next = NULL;
/* If it is the first stream, create the session

2
ext/srtp/gstsrtpdec.h
View file

@ -71,6 +71,8 @@ struct _GstSrtpDec
{
GstElement element;
guint replay_window_size;
GstPad *rtp_sinkpad, *rtp_srcpad;
GstPad *rtcp_sinkpad, *rtcp_srcpad;