mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-02-22 14:06:23 +00:00
fpsdisplaysink: add a initial port of a sink with fps display
This now works with a event probe. Needs some extra work.
This commit is contained in:
Stefan Kost
parent
78b208125a
commit
e01373662a
4 changed files with 594 additions and 0 deletions
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@ -266,6 +266,7 @@ AG_GST_CHECK_PLUGIN(legacyresample)
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AG_GST_CHECK_PLUGIN(bayer)
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AG_GST_CHECK_PLUGIN(bayer)
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AG_GST_CHECK_PLUGIN(cdxaparse)
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AG_GST_CHECK_PLUGIN(cdxaparse)
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AG_GST_CHECK_PLUGIN(dccp)
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AG_GST_CHECK_PLUGIN(dccp)
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AG_GST_CHECK_PLUGIN(debugutils)
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AG_GST_CHECK_PLUGIN(deinterlace)
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AG_GST_CHECK_PLUGIN(deinterlace)
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AG_GST_CHECK_PLUGIN(deinterlace2)
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AG_GST_CHECK_PLUGIN(deinterlace2)
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AG_GST_CHECK_PLUGIN(dtmf)
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AG_GST_CHECK_PLUGIN(dtmf)
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@ -1513,6 +1514,7 @@ gst/bayer/Makefile
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gst/camerabin/Makefile
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gst/camerabin/Makefile
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gst/cdxaparse/Makefile
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gst/cdxaparse/Makefile
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gst/dccp/Makefile
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gst/dccp/Makefile
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gst/debugutils/Makefile
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gst/deinterlace/Makefile
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gst/deinterlace/Makefile
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gst/deinterlace2/Makefile
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gst/deinterlace2/Makefile
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gst/dtmf/Makefile
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gst/dtmf/Makefile
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10
gst/debugutils/Makefile.am
Normal file
10
gst/debugutils/Makefile.am
Normal file
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@ -0,0 +1,10 @@
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plugin_LTLIBRARIES = libgstfpsdisplaysink.la
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libgstfpsdisplaysink_la_SOURCES = fpsdisplaysink.c
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libgstfpsdisplaysink_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS)
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libgstfpsdisplaysink_la_LIBADD = $(GST_BASE_LIBS) -lgstinterfaces-$(GST_MAJORMINOR)
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libgstfpsdisplaysink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstfpsdisplaysink_la_LIBTOOLFLAGS = --tag=disable-static
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noinst_HEADERS = fpsdisplaysink.h
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524
gst/debugutils/fpsdisplaysink.c
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524
gst/debugutils/fpsdisplaysink.c
Normal file
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@ -0,0 +1,524 @@
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/*
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* Copyright 2009 Nokia Corporation <multimedia@maemo.org>
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* 2006 Zeeshan Ali <zeeshan.ali@nokia.com>.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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*
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* |[
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* gst-launch videotestsrc ! fpsdisplaysink
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* gst-launch videotestsrc ! fpsdisplaysink text-overlay=false
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* gst-launch filesrc location=video.avi ! decodebin2 name=d ! queue ! fpsdisplaysink d. ! queue ! fakesink sync=true
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* ]|
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*/
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/* FIXME:
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* - do we need to proxy xoverlay stuff?
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* - can we avoid the
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "fpsdisplaysink.h"
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#include <gst/interfaces/xoverlay.h>
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#define FPS_DISPLAY_INTERVAL_MS 500 /* 500 ms */
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#define DEFAULT_FONT "20"
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static GstElementDetails fps_display_sink_details = {
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"Wrapper for xvimagesink's frame-rate display",
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"Sink/Video",
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"Shows the current frame-rate and drop-rate of the xvimagesink on the xvimagesink's video output",
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"Zeeshan Ali <zeeshan.ali@nokia.com>, Stefan Kost <stefan.kost@nokia.com>"
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};
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/* generic templates */
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static GstStaticPadTemplate fps_display_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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GST_DEBUG_CATEGORY_STATIC (fps_display_sink_debug);
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#define GST_CAT_DEFAULT fps_display_sink_debug
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struct _FPSDisplaySinkPrivate
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{
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GstElement *text_overlay;
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GstElement *xvimagesink;
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guint64 frames_rendered, last_frames_rendered;
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guint64 frames_dropped, last_frames_dropped;
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GstClockTime last_ts;
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GstClockTime next_ts;
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guint timeout_id;
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gchar *font;
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gboolean sync;
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gboolean use_text_overlay;
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};
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enum
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{
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ARG_0,
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ARG_SYNC,
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ARG_TEXT_OVERLAY,
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/* FILL ME */
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};
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static GstBinClass *parent_class = NULL;
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static GstStateChangeReturn fps_display_sink_change_state (GstElement * element,
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GstStateChange transition);
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static void fps_display_sink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void fps_display_sink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void fps_display_sink_dispose (GObject * object);
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static gboolean
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fps_display_sink_interface_supported (GstImplementsInterface * iface,
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GType type)
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{
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g_assert (type == GST_TYPE_X_OVERLAY);
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return TRUE;
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}
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static void
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fps_display_sink_interface_init (GstImplementsInterfaceClass * klass)
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{
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klass->supported = fps_display_sink_interface_supported;
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}
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static void
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fps_display_sink_set_xwindow_id (GstXOverlay * overlay, gulong xwindow_id)
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{
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FPSDisplaySink *self = FPS_DISPLAY_SINK (overlay);
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gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (self->priv->xvimagesink),
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xwindow_id);
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}
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static void
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fps_display_sink_expose (GstXOverlay * overlay)
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{
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FPSDisplaySink *self = FPS_DISPLAY_SINK (overlay);
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gst_x_overlay_expose (GST_X_OVERLAY (self->priv->xvimagesink));
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}
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static void
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fps_display_sink_xoverlay_init (GstXOverlayClass * iface)
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{
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iface->set_xwindow_id = fps_display_sink_set_xwindow_id;
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iface->expose = fps_display_sink_expose;
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}
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static void
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fps_display_sink_handle_message (GstBin * bin, GstMessage * message)
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{
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FPSDisplaySink *self = FPS_DISPLAY_SINK (bin);
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if (GST_MESSAGE_SRC (message) != NULL &&
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GST_MESSAGE_SRC (message) == GST_OBJECT (self->priv->xvimagesink)) {
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gst_object_unref (GST_MESSAGE_SRC (message));
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GST_MESSAGE_SRC (message) = gst_object_ref (GST_OBJECT (bin));
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}
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GST_BIN_CLASS (parent_class)->handle_message (bin, message);
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}
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static void
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fps_display_sink_class_init (FPSDisplaySinkClass * klass)
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{
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GObjectClass *gobject_klass = G_OBJECT_CLASS (klass);
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GstElementClass *gstelement_klass = GST_ELEMENT_CLASS (klass);
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GstBinClass *gstbin_klass = GST_BIN_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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gobject_klass->set_property = fps_display_sink_set_property;
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gobject_klass->get_property = fps_display_sink_get_property;
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gobject_klass->dispose = fps_display_sink_dispose;
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g_object_class_install_property (gobject_klass, ARG_SYNC,
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g_param_spec_boolean ("sync",
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"Sync", "Sync on the clock", FALSE, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_klass, ARG_TEXT_OVERLAY,
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g_param_spec_boolean ("text-overlay",
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"text-overlay",
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"Wether to use text-overlay", TRUE, G_PARAM_READWRITE));
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gstelement_klass->change_state = fps_display_sink_change_state;
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gstbin_klass->handle_message = fps_display_sink_handle_message;
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gst_element_class_add_pad_template (gstelement_klass,
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gst_static_pad_template_get (&fps_display_sink_template));
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gst_element_class_set_details (gstelement_klass, &fps_display_sink_details);
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GST_DEBUG_CATEGORY_INIT (fps_display_sink_debug, "fpsdisplaysink", 0,
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"FPS Display Sink");
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g_type_class_add_private (klass, sizeof (FPSDisplaySinkPrivate));
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}
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static void
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fps_display_sink_base_init (gpointer klass)
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{
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}
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#if 0
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static void
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on_xvimagesink_caps_negotiated (GstPad * pad, GParamSpec * arg,
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gpointer user_data)
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{
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GstCaps *caps = gst_pad_get_negotiated_caps (pad);
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g_print ("caps negotiated on xvimagesink = %s\n", gst_caps_to_string (caps));
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gst_caps_unref (caps);
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}
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#endif
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static gboolean
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on_xvimagesink_data_flow (GstPad * pad, GstMiniObject * mini_obj,
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gpointer user_data)
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{
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FPSDisplaySink *self = FPS_DISPLAY_SINK (user_data);
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#if 0
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if (GST_IS_BUFFER (mini_obj)) {
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GstBuffer *buf = GST_BUFFER_CAST (mini_obj);
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if (GST_CLOCK_TIME_IS_VALID (self->priv->next_ts)) {
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if (GST_BUFFER_TIMESTAMP (buf) <= self->priv->next_ts) {
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self->priv->frames_rendered++;
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} else {
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g_debug ("dropping frame : ts %" GST_TIME_FORMAT " < expected_ts %"
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GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
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GST_TIME_ARGS (self->priv->next_ts));
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self->priv->frames_dropped++;
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}
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} else {
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self->priv->frames_rendered++;
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}
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} else
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#endif
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if (GST_IS_EVENT (mini_obj)) {
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GstEvent *ev = GST_EVENT_CAST (mini_obj);
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if (GST_EVENT_TYPE (ev) == GST_EVENT_QOS) {
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GstClockTimeDiff diff;
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GstClockTime ts;
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gst_event_parse_qos (ev, NULL, &diff, &ts);
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self->priv->next_ts = ts + diff;
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if (diff <= 0.0) {
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self->priv->frames_rendered++;
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} else {
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self->priv->frames_dropped++;
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}
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}
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}
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return TRUE;
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}
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static void
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fps_display_sink_init (FPSDisplaySink * self, FPSDisplaySinkClass * g_class)
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{
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GstPad *sink_pad, *target_pad;
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, FPS_TYPE_DISPLAY_SINK,
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FPSDisplaySinkPrivate);
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self->priv->font = DEFAULT_FONT;
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self->priv->sync = FALSE;
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self->priv->use_text_overlay = TRUE;
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self->priv->xvimagesink =
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gst_element_factory_make ("xvimagesink", "fps_display_xvimagesink");
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self->priv->text_overlay =
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gst_element_factory_make ("textoverlay", "text-overlay");
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if (!self->priv->xvimagesink || !self->priv->text_overlay) {
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g_debug ("element could not be created");
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return;
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}
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g_object_set (self->priv->xvimagesink, "sync", self->priv->sync, NULL);
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g_object_set (self->priv->text_overlay, "font-desc", self->priv->font, NULL);
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/* take a ref before bin takes the ownership */
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gst_object_ref (self->priv->text_overlay);
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gst_object_ref (self->priv->xvimagesink);
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gst_bin_add_many (GST_BIN (self),
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self->priv->text_overlay, self->priv->xvimagesink, NULL);
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if (!gst_element_link_many (self->priv->text_overlay, self->priv->xvimagesink,
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NULL)) {
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g_error ("Could not link elements");
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}
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target_pad =
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gst_element_get_static_pad (self->priv->text_overlay, "video_sink");
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sink_pad = gst_ghost_pad_new ("sink_pad", target_pad);
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gst_object_unref (target_pad);
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gst_element_add_pad (GST_ELEMENT (self), sink_pad);
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sink_pad = gst_element_get_static_pad (self->priv->xvimagesink, "sink");
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#if 0
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g_signal_connect (sink_pad, "notify::caps",
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G_CALLBACK (on_xvimagesink_caps_negotiated), NULL);
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#endif
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gst_pad_add_data_probe (sink_pad, G_CALLBACK (on_xvimagesink_data_flow),
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(gpointer) self);
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gst_object_unref (sink_pad);
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}
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static gboolean
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display_current_fps (gpointer data)
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{
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FPSDisplaySink *self = FPS_DISPLAY_SINK (data);
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gint64 current_ts;
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#if 0
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guint64 frames_rendered, frames_dropped;
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#endif
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GstQuery *query;
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#if 0
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query = gst_query_new_qos ();
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gst_element_query (self->priv->xvimagesink, query);
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gst_query_parse_qos (query, &frames_rendered, &frames_dropped);
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gst_query_unref (query);
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#endif
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query = gst_query_new_position (GST_FORMAT_TIME);
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gst_element_query (self->priv->xvimagesink, query);
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gst_query_parse_position (query, NULL, ¤t_ts);
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gst_query_unref (query);
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|
||||||
|
if (GST_CLOCK_TIME_IS_VALID (self->priv->last_ts)) {
|
||||||
|
gdouble rr, dr, average_fps;
|
||||||
|
gchar fps_message[256];
|
||||||
|
gdouble time_diff =
|
||||||
|
(gdouble) (current_ts - self->priv->last_ts) / GST_SECOND;
|
||||||
|
|
||||||
|
rr = (gdouble) (self->priv->frames_rendered -
|
||||||
|
self->priv->last_frames_rendered) / time_diff;
|
||||||
|
dr = (gdouble) (self->priv->frames_dropped -
|
||||||
|
self->priv->last_frames_dropped) / time_diff;
|
||||||
|
|
||||||
|
average_fps =
|
||||||
|
self->priv->frames_rendered / (gdouble) (current_ts / GST_SECOND);
|
||||||
|
|
||||||
|
if (dr == 0.0) {
|
||||||
|
sprintf (fps_message, "current: %.2f\naverage: %.2f", rr, average_fps);
|
||||||
|
} else {
|
||||||
|
sprintf (fps_message, "fps: %.2f\ndrop rate: %.2f", rr, dr);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (self->priv->use_text_overlay) {
|
||||||
|
g_object_set (self->priv->text_overlay, "text", fps_message, NULL);
|
||||||
|
} else {
|
||||||
|
g_print ("%s\n", fps_message);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
self->priv->last_frames_rendered = self->priv->frames_rendered;
|
||||||
|
self->priv->last_frames_dropped = self->priv->frames_dropped;
|
||||||
|
self->priv->last_ts = current_ts;
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
fps_display_sink_start_the_show (FPSDisplaySink * self)
|
||||||
|
{
|
||||||
|
/* 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);
|
||||||
|
|
||||||
|
/* Set a timeout for the fps display */
|
||||||
|
self->priv->timeout_id =
|
||||||
|
g_timeout_add (FPS_DISPLAY_INTERVAL_MS,
|
||||||
|
display_current_fps, (gpointer) self);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
fps_display_sink_stop_the_show (FPSDisplaySink * self)
|
||||||
|
{
|
||||||
|
/* remove the timeout */
|
||||||
|
if (self->priv->timeout_id) {
|
||||||
|
g_source_remove (self->priv->timeout_id);
|
||||||
|
self->priv->timeout_id = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
fps_display_sink_dispose (GObject * object)
|
||||||
|
{
|
||||||
|
FPSDisplaySink *self = FPS_DISPLAY_SINK (object);
|
||||||
|
|
||||||
|
if (self->priv->xvimagesink) {
|
||||||
|
gst_object_unref (self->priv->xvimagesink);
|
||||||
|
self->priv->xvimagesink = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (self->priv->text_overlay) {
|
||||||
|
gst_object_unref (self->priv->text_overlay);
|
||||||
|
self->priv->text_overlay = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
fps_display_sink_set_property (GObject * object, guint prop_id,
|
||||||
|
const GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
FPSDisplaySink *self = FPS_DISPLAY_SINK (object);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case ARG_SYNC:
|
||||||
|
self->priv->sync = g_value_get_boolean (value);
|
||||||
|
g_object_set (self->priv->xvimagesink, "sync", self->priv->sync, NULL);
|
||||||
|
break;
|
||||||
|
case ARG_TEXT_OVERLAY:
|
||||||
|
self->priv->use_text_overlay = g_value_get_boolean (value);
|
||||||
|
|
||||||
|
if (!(self->priv->use_text_overlay)) {
|
||||||
|
g_print ("text-overlay set to false\n");
|
||||||
|
g_object_set (self->priv->text_overlay, "text", "", "silent", TRUE,
|
||||||
|
NULL);
|
||||||
|
} else {
|
||||||
|
g_print ("text-overlay set to true\n");
|
||||||
|
g_object_set (self->priv->text_overlay, "silent", FALSE, NULL);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
fps_display_sink_get_property (GObject * object, guint prop_id,
|
||||||
|
GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
FPSDisplaySink *self = FPS_DISPLAY_SINK (object);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case ARG_SYNC:
|
||||||
|
g_value_set_boolean (value, self->priv->sync);
|
||||||
|
break;
|
||||||
|
case ARG_TEXT_OVERLAY:
|
||||||
|
g_value_set_boolean (value, self->priv->use_text_overlay);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstStateChangeReturn
|
||||||
|
fps_display_sink_change_state (GstElement * element, GstStateChange transition)
|
||||||
|
{
|
||||||
|
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
|
||||||
|
FPSDisplaySink *self = FPS_DISPLAY_SINK (element);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||||
|
fps_display_sink_start_the_show (self);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
|
||||||
|
(element, transition), GST_STATE_CHANGE_SUCCESS);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||||
|
fps_display_sink_stop_the_show (self);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
GType
|
||||||
|
fps_display_sink_get_type (void)
|
||||||
|
{
|
||||||
|
static GType fps_display_sink_type = 0;
|
||||||
|
|
||||||
|
if (!fps_display_sink_type) {
|
||||||
|
static const GTypeInfo fps_display_sink_info = {
|
||||||
|
sizeof (FPSDisplaySinkClass),
|
||||||
|
fps_display_sink_base_init,
|
||||||
|
NULL,
|
||||||
|
(GClassInitFunc) fps_display_sink_class_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
sizeof (FPSDisplaySink),
|
||||||
|
0,
|
||||||
|
(GInstanceInitFunc) fps_display_sink_init,
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo iface_info = {
|
||||||
|
(GInterfaceInitFunc) fps_display_sink_interface_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo overlay_info = {
|
||||||
|
(GInterfaceInitFunc) fps_display_sink_xoverlay_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
|
||||||
|
fps_display_sink_type = g_type_register_static (GST_TYPE_BIN,
|
||||||
|
"FPSDisplaySink", &fps_display_sink_info, 0);
|
||||||
|
|
||||||
|
g_type_add_interface_static (fps_display_sink_type,
|
||||||
|
GST_TYPE_IMPLEMENTS_INTERFACE, &iface_info);
|
||||||
|
g_type_add_interface_static (fps_display_sink_type, GST_TYPE_X_OVERLAY,
|
||||||
|
&overlay_info);
|
||||||
|
}
|
||||||
|
|
||||||
|
return fps_display_sink_type;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
return gst_element_register (plugin, "fpsdisplaysink",
|
||||||
|
GST_RANK_NONE, FPS_TYPE_DISPLAY_SINK);
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
"fpsdisplaysink",
|
||||||
|
"A custom sink that show the current FPS of the sink on the video screen",
|
||||||
|
plugin_init, VERSION, "LGPL", "Nokia Real-time Communications", "")
|
||||||
58
gst/debugutils/fpsdisplaysink.h
Normal file
58
gst/debugutils/fpsdisplaysink.h
Normal file
|
|
@ -0,0 +1,58 @@
|
||||||
|
/*
|
||||||
|
* Copyright 2009 Nokia Corporation <multimedia@maemo.org>
|
||||||
|
* 2006 Zeeshan Ali <zeeshan.ali@nokia.com>.
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Lesser General Public License as published by
|
||||||
|
* the Free Software Foundation; either version 2 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Lesser General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __FPS_DISPLAY_SINK_H__
|
||||||
|
#define __FPS_DISPLAY_SINK_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define FPS_TYPE_DISPLAY_SINK \
|
||||||
|
(fps_display_sink_get_type())
|
||||||
|
#define FPS_DISPLAY_SINK(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),FPS_TYPE_DISPLAY_SINK,FPSDisplaySink))
|
||||||
|
#define FPS_DISPLAY_SINK_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),FPS_TYPE_DISPLAY_SINK,FPSDisplaySinkClass))
|
||||||
|
#define FPS_IS_DISPLAY_SINK(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),FPS_TYPE_DISPLAY_SINK))
|
||||||
|
#define FPS_IS_DISPLAY_SINK_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),FPS_TYPE_DISPLAY_SINK))
|
||||||
|
|
||||||
|
GType fps_display_sink_get_type (void);
|
||||||
|
|
||||||
|
typedef struct _FPSDisplaySink FPSDisplaySink;
|
||||||
|
typedef struct _FPSDisplaySinkClass FPSDisplaySinkClass;
|
||||||
|
|
||||||
|
typedef struct _FPSDisplaySinkPrivate FPSDisplaySinkPrivate;
|
||||||
|
|
||||||
|
struct _FPSDisplaySink
|
||||||
|
{
|
||||||
|
GstBin bin; /* we extend GstBin */
|
||||||
|
FPSDisplaySinkPrivate *priv;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _FPSDisplaySinkClass
|
||||||
|
{
|
||||||
|
GstBinClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __FPS_DISPLAY_SINK_H__ */
|
||||||
Loading…
Reference in a new issue