rtpvp8pay: Make Picture ID mode configurable and default to no picture ID

Some implementations (linphone) only support no picture at all in the
stream and will fail if one is provided.

https://bugzilla.gnome.org/show_bug.cgi?id=711497

1 files changed, 76 insertions, 2 deletions

diff --git a/gst/rtp/gstrtpvp8pay.c b/gst/rtp/gstrtpvp8pay.c
index 988d55da3..021f2e4a8 100644
--- a/gst/rtp/gstrtpvp8pay.c
+++ b/gst/rtp/gstrtpvp8pay.c
@@ -36,7 +36,36 @@
 GST_DEBUG_CATEGORY_STATIC (gst_rtp_vp8_pay_debug);
 #define GST_CAT_DEFAULT gst_rtp_vp8_pay_debug
 
-#define DEFAULT_PICTURE_ID_MODE VP8_PAY_PICTURE_ID_7BITS
+#define DEFAULT_PICTURE_ID_MODE VP8_PAY_NO_PICTURE_ID
+
+enum
+{
+  PROP_0,
+  PROP_PICTURE_ID_MODE
+};
+
+#define GST_TYPE_RTP_VP8_PAY_PICTURE_ID_MODE (gst_rtp_vp8_pay_picture_id_mode_get_type())
+static GType
+gst_rtp_vp8_pay_picture_id_mode_get_type (void)
+{
+  static GType mode_type = 0;
+  static const GEnumValue modes[] = {
+    {VP8_PAY_NO_PICTURE_ID, "No Picture ID", "none"},
+    {VP8_PAY_PICTURE_ID_7BITS, "7-bit Picture ID", "7-bit"},
+    {VP8_PAY_PICTURE_ID_15BITS, "15-bit Picture ID", "15-bit"},
+    {0, NULL, NULL},
+  };
+
+  if (!mode_type) {
+    mode_type = g_enum_register_static ("GstVP8RTPPayMode", modes);
+  }
+  return mode_type;
+}
+
+static void gst_rtp_vp8_pay_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+static void gst_rtp_vp8_pay_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec);
 
 static GstFlowReturn gst_rtp_vp8_pay_handle_buffer (GstRTPBasePayload * payload,
     GstBuffer * buffer);
@@ -64,7 +93,6 @@ GST_STATIC_PAD_TEMPLATE ("sink",
 static void
 gst_rtp_vp8_pay_init (GstRtpVP8Pay * obj)
 {
-  /* TODO: Make it configurable */
   obj->picture_id_mode = DEFAULT_PICTURE_ID_MODE;
   if (obj->picture_id_mode == VP8_PAY_PICTURE_ID_7BITS)
     obj->picture_id = g_random_int_range (0, G_MAXUINT8) & 0x7F;
@@ -75,10 +103,20 @@ gst_rtp_vp8_pay_init (GstRtpVP8Pay * obj)
 static void
 gst_rtp_vp8_pay_class_init (GstRtpVP8PayClass * gst_rtp_vp8_pay_class)
 {
+  GObjectClass *gobject_class = G_OBJECT_CLASS (gst_rtp_vp8_pay_class);
   GstElementClass *element_class = GST_ELEMENT_CLASS (gst_rtp_vp8_pay_class);
   GstRTPBasePayloadClass *pay_class =
       GST_RTP_BASE_PAYLOAD_CLASS (gst_rtp_vp8_pay_class);
 
+  gobject_class->set_property = gst_rtp_vp8_pay_set_property;
+  gobject_class->get_property = gst_rtp_vp8_pay_get_property;
+
+  g_object_class_install_property (gobject_class, PROP_PICTURE_ID_MODE,
+      g_param_spec_enum ("picture-id-mode", "Picture ID Mode",
+          "The picture ID mode for payloading",
+          GST_TYPE_RTP_VP8_PAY_PICTURE_ID_MODE, DEFAULT_PICTURE_ID_MODE,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
   gst_element_class_add_pad_template (element_class,
       gst_static_pad_template_get (&gst_rtp_vp8_pay_sink_template));
   gst_element_class_add_pad_template (element_class,
@@ -96,6 +134,42 @@ gst_rtp_vp8_pay_class_init (GstRtpVP8PayClass * gst_rtp_vp8_pay_class)
       "VP8 Video RTP Payloader");
 }
 
+static void
+gst_rtp_vp8_pay_set_property (GObject * object,
+    guint prop_id, const GValue * value, GParamSpec * pspec)
+{
+  GstRtpVP8Pay *rtpvp8pay = GST_RTP_VP8_PAY (object);
+
+  switch (prop_id) {
+    case PROP_PICTURE_ID_MODE:
+      rtpvp8pay->picture_id_mode = g_value_get_enum (value);
+      if (rtpvp8pay->picture_id_mode == VP8_PAY_PICTURE_ID_7BITS)
+        rtpvp8pay->picture_id = g_random_int_range (0, G_MAXUINT8) & 0x7F;
+      else if (rtpvp8pay->picture_id_mode == VP8_PAY_PICTURE_ID_15BITS)
+        rtpvp8pay->picture_id = g_random_int_range (0, G_MAXUINT16) & 0x7FFF;
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_rtp_vp8_pay_get_property (GObject * object,
+    guint prop_id, GValue * value, GParamSpec * pspec)
+{
+  GstRtpVP8Pay *rtpvp8pay = GST_RTP_VP8_PAY (object);
+
+  switch (prop_id) {
+    case PROP_PICTURE_ID_MODE:
+      g_value_set_enum (value, rtpvp8pay->picture_id_mode);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
 static gboolean
 gst_rtp_vp8_pay_parse_frame (GstRtpVP8Pay * self, GstBuffer * buffer)
 {