diff options
Diffstat (limited to 'gst/debugutils')
| -rw-r--r-- | gst/debugutils/fpsdisplaysink.c | 85 |
1 files changed, 57 insertions, 28 deletions
diff --git a/gst/debugutils/fpsdisplaysink.c b/gst/debugutils/fpsdisplaysink.c index 5819a3d1..22568fe6 100644 --- a/gst/debugutils/fpsdisplaysink.c +++ b/gst/debugutils/fpsdisplaysink.c @@ -76,6 +76,7 @@ struct _FPSDisplaySinkPrivate GstElement *text_overlay; GstElement *video_sink; GstQuery *query; + GstPad *ghost_pad; /* statistics */ guint64 frames_rendered, last_frames_rendered; @@ -122,12 +123,14 @@ fps_display_sink_class_init (FPSDisplaySinkClass * klass) g_object_class_install_property (gobject_klass, ARG_SYNC, g_param_spec_boolean ("sync", - "Sync", "Sync on the clock", FALSE, G_PARAM_READWRITE)); + "Sync", "Sync on the clock", TRUE, + G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE)); g_object_class_install_property (gobject_klass, ARG_TEXT_OVERLAY, g_param_spec_boolean ("text-overlay", "text-overlay", - "Wether to use text-overlay", TRUE, G_PARAM_READWRITE)); + "Wether to use text-overlay", TRUE, + G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE)); gstelement_klass->change_state = fps_display_sink_change_state; @@ -186,7 +189,7 @@ on_video_sink_data_flow (GstPad * pad, GstMiniObject * mini_obj, static void fps_display_sink_init (FPSDisplaySink * self, FPSDisplaySinkClass * g_class) { - GstPad *sink_pad, *target_pad; + GstPad *sink_pad; self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, FPS_TYPE_DISPLAY_SINK, FPSDisplaySinkPrivate); @@ -197,39 +200,27 @@ fps_display_sink_init (FPSDisplaySink * self, FPSDisplaySinkClass * g_class) /* create child elements */ self->priv->video_sink = gst_element_factory_make ("xvimagesink", "fps-display-video_sink"); - self->priv->text_overlay = - gst_element_factory_make ("textoverlay", "fps-display-text-overlay"); - - if (!self->priv->video_sink || !self->priv->text_overlay) { + if (!self->priv->video_sink) { GST_ERROR_OBJECT (self, "element could not be created"); return; } g_object_set (self->priv->video_sink, "sync", self->priv->sync, NULL); - g_object_set (self->priv->text_overlay, "font-desc", DEFAULT_FONT, NULL); /* take a ref before bin takes the ownership */ - gst_object_ref (self->priv->text_overlay); gst_object_ref (self->priv->video_sink); - gst_bin_add_many (GST_BIN (self), - self->priv->text_overlay, self->priv->video_sink, NULL); - - if (!gst_element_link (self->priv->text_overlay, self->priv->video_sink)) { - GST_ERROR_OBJECT (self, "Could not link elements"); - } + gst_bin_add (GST_BIN (self), self->priv->video_sink); /* create ghost pad */ - target_pad = - gst_element_get_static_pad (self->priv->text_overlay, "video_sink"); - sink_pad = gst_ghost_pad_new ("sink_pad", target_pad); - gst_object_unref (target_pad); - gst_element_add_pad (GST_ELEMENT (self), sink_pad); + self->priv->ghost_pad = + gst_ghost_pad_new_no_target ("sink_pad", GST_PAD_SINK); + gst_element_add_pad (GST_ELEMENT (self), self->priv->ghost_pad); + /* attach or pad probe */ sink_pad = gst_element_get_static_pad (self->priv->video_sink, "sink"); gst_pad_add_data_probe (sink_pad, G_CALLBACK (on_video_sink_data_flow), (gpointer) self); - gst_object_unref (sink_pad); self->priv->query = gst_query_new_position (GST_FORMAT_TIME); @@ -282,12 +273,48 @@ display_current_fps (gpointer data) static void fps_display_sink_start (FPSDisplaySink * self) { + GstPad *target_pad; + /* Init counters */ self->priv->next_ts = GST_CLOCK_TIME_NONE; self->priv->last_ts = GST_CLOCK_TIME_NONE; self->priv->frames_rendered = G_GUINT64_CONSTANT (0); self->priv->frames_dropped = G_GUINT64_CONSTANT (0); + GST_WARNING ("use text-overlay? %d", self->priv->use_text_overlay); + + if (self->priv->use_text_overlay) { + if (!self->priv->text_overlay) { + self->priv->text_overlay = + gst_element_factory_make ("textoverlay", "fps-display-text-overlay"); + if (!self->priv->text_overlay) { + GST_WARNING_OBJECT (self, "text-overlay element could not be created"); + self->priv->use_text_overlay = FALSE; + goto no_text_overlay; + } + gst_object_ref (self->priv->text_overlay); + g_object_set (self->priv->text_overlay, + "font-desc", DEFAULT_FONT, "silent", FALSE, NULL); + } + gst_bin_add (GST_BIN (self), self->priv->text_overlay); + + if (!gst_element_link (self->priv->text_overlay, self->priv->video_sink)) { + GST_ERROR_OBJECT (self, "Could not link elements"); + } + target_pad = + gst_element_get_static_pad (self->priv->text_overlay, "video_sink"); + } +no_text_overlay: + if (!self->priv->use_text_overlay) { + if (self->priv->text_overlay) { + gst_element_unlink (self->priv->text_overlay, self->priv->video_sink); + gst_bin_remove (GST_BIN (self), self->priv->text_overlay); + } + target_pad = gst_element_get_static_pad (self->priv->video_sink, "sink"); + } + gst_ghost_pad_set_target (GST_GHOST_PAD (self->priv->ghost_pad), target_pad); + gst_object_unref (target_pad); + /* Set a timeout for the fps display */ self->priv->timeout_id = g_timeout_add (FPS_DISPLAY_INTERVAL_MS, @@ -341,13 +368,15 @@ fps_display_sink_set_property (GObject * object, guint prop_id, case ARG_TEXT_OVERLAY: self->priv->use_text_overlay = g_value_get_boolean (value); - if (!(self->priv->use_text_overlay)) { - GST_DEBUG_OBJECT (self, "text-overlay set to false"); - g_object_set (self->priv->text_overlay, "text", "", "silent", TRUE, - NULL); - } else { - GST_DEBUG_OBJECT (self, "text-overlay set to true"); - g_object_set (self->priv->text_overlay, "silent", FALSE, NULL); + if (self->priv->text_overlay) { + if (!self->priv->use_text_overlay) { + GST_DEBUG_OBJECT (self, "text-overlay set to false"); + g_object_set (self->priv->text_overlay, "text", "", "silent", TRUE, + NULL); + } else { + GST_DEBUG_OBJECT (self, "text-overlay set to true"); + g_object_set (self->priv->text_overlay, "silent", FALSE, NULL); + } } break; default: |