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3dvideo: Add simple gtk example stereoscopic video player

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=611157
This commit is contained in:
Jan Schmidt 2015-05-30 03:09:17 +10:00 committed by Tim-Philipp Müller
parent 020c7f1303
commit c096fec277
7 changed files with 1047 additions and 1 deletions
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1
tests/examples/gl/gtk/3dvideo/.gitignore vendored Normal file
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3dvideo

210
tests/examples/gl/gtk/3dvideo/3dvideo.vcproj Normal file
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<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="9,00"
Name="3dvideo"
ProjectGUID="{E83070C2-58E4-48AE-AEB3-A4580EDE1212}"
RootNamespace="filtervideooverlay"
Keyword="Win32Proj"
TargetFrameworkVersion="131072"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="1"
CharacterSet="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="&quot;C:\gstreamer\include\glib-2.0&quot;;&quot;C:\gstreamer\lib\glib-2.0\include&quot;;&quot;..\..\..\..\..\gtk+\include\gtk-2.0&quot;;&quot;..\..\..\..\..\gtk+\lib\gtk-2.0\include&quot;;&quot;C:\gstreamer\include\gstreamer-1.0&quot;;C:\gstreamer\include\cairo;&quot;C:\gstreamer\include\pango-1.0&quot;;&quot;..\..\..\..\..\atk\include\atk-1.0&quot;;C:\gstreamer\include\libxml2;C:\gstreamer\include"
PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
MinimalRebuild="true"
BasicRuntimeChecks="3"
RuntimeLibrary="3"
UsePrecompiledHeader="0"
WarningLevel="3"
Detect64BitPortabilityProblems="false"
DebugInformationFormat="4"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="gstreamer-1.0.lib glib-2.0.lib gmodule-2.0.lib gobject-2.0.lib gthread-2.0.lib gtk-win32-2.0.lib gdk-win32-2.0.lib"
LinkIncremental="2"
AdditionalLibraryDirectories="C:\gstreamer\lib;&quot;..\..\..\..\..\gtk+\lib&quot;"
GenerateDebugInformation="true"
SubSystem="1"
RandomizedBaseAddress="1"
DataExecutionPrevention="0"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Release|Win32"
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="1"
CharacterSet="1"
WholeProgramOptimization="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
AdditionalIncludeDirectories="&quot;C:\gstreamer\include\glib-2.0&quot;;&quot;C:\gstreamer\lib\glib-2.0\include&quot;;&quot;..\..\..\..\..\gtk+\include\gtk-2.0&quot;;&quot;..\..\..\..\..\gtk+\lib\gtk-2.0\include&quot;;&quot;C:\gstreamer\include\gstreamer-1.0&quot;;C:\gstreamer\include\cairo;&quot;C:\gstreamer\include\pango-1.0&quot;;&quot;..\..\..\..\..\atk\include\atk-1.0&quot;;C:\gstreamer\include\libxml2;C:\gstreamer\include"
PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
RuntimeLibrary="2"
UsePrecompiledHeader="0"
WarningLevel="3"
Detect64BitPortabilityProblems="false"
DebugInformationFormat="3"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="gstreamer-1.0.lib glib-2.0.lib gmodule-2.0.lib gobject-2.0.lib gthread-2.0.lib gtk-win32-2.0.lib gdk-win32-2.0.lib"
LinkIncremental="1"
AdditionalLibraryDirectories="C:\gstreamer\lib;&quot;..\..\..\..\..\gtk+\lib&quot;"
GenerateDebugInformation="true"
SubSystem="1"
OptimizeReferences="2"
EnableCOMDATFolding="2"
RandomizedBaseAddress="1"
DataExecutionPrevention="0"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<Filter
Name="Source Files"
Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
>
<File
RelativePath="..\gstgtk.c"
>
</File>
<File
RelativePath=".\main.cpp"
>
</File>
</Filter>
<Filter
Name="Header Files"
Filter="h;hpp;hxx;hm;inl;inc;xsd"
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
>
<File
RelativePath="..\gstgtk.h"
>
</File>
</Filter>
<Filter
Name="Resource Files"
Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
>
</Filter>
</Files>
<Globals>
</Globals>
</VisualStudioProject>

16
tests/examples/gl/gtk/3dvideo/Makefile.am Normal file
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noinst_PROGRAMS = 3dvideo
noinst_HEADERS = mviewwidget.h
3dvideo_SOURCES = mviewwidget.c main.cpp
3dvideo_CXXFLAGS=$(GST_CXXFLAGS)
3dvideo_CPPFLAGS=-I$(top_srcdir)/gst-libs -I$(top_builddir)/gst-libs \
$(GST_PLUGINS_BASE_CFLAGS) \
$(GL_CFLAGS) $(GTK3_CFLAGS)
3dvideo_LDADD=../libgstgtkhelper.la \
$(top_builddir)/gst-libs/gst/gl/libgstgl-$(GST_API_VERSION).la \
$(GTK3_LIBS) $(GST_PLUGINS_BASE_LIBS) $(GST_LIBS) \
$(GL_LIBS) -lgstvideo-$(GST_API_VERSION)

417
tests/examples/gl/gtk/3dvideo/main.cpp Normal file
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/*
* GStreamer
* Copyright (C) 2008-2009 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2014-2015 Jan Schmidt <jan@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <X11/Xlib.h>
#include <gst/gst.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <gst/video/video-info.h>
#include "../gstgtk.h"
#include "mviewwidget.h"
/* Until playbin properties support dynamic changes,
* use our own glviewconvert */
#define USE_GLCONVERT_FOR_INPUT 1
typedef struct _localstate
{
GstVideoMultiviewFramePacking in_mode;
GstVideoMultiviewFlags out_mode;
GstVideoMultiviewFlags in_flags, out_flags;
} LocalState;
static GstBusSyncReply
create_window (GstBus * bus, GstMessage * message, GtkWidget * widget)
{
/* ignore anything but 'prepare-window-handle' element messages */
if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
return GST_BUS_PASS;
if (!gst_is_video_overlay_prepare_window_handle_message (message))
return GST_BUS_PASS;
/* do not call gdk_window_ensure_native for the first time here because
* we are in a different thread than the main thread */
gst_video_overlay_set_gtk_window (GST_VIDEO_OVERLAY (GST_MESSAGE_SRC
(message)), widget);
gst_message_unref (message);
return GST_BUS_DROP;
}
static void
end_stream_cb (GstBus * bus, GstMessage * message, GstElement * pipeline)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_EOS:
g_print ("End of stream\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
gtk_main_quit ();
break;
case GST_MESSAGE_ERROR:
{
gchar *debug = NULL;
GError *err = NULL;
gst_message_parse_error (message, &err, &debug);
g_print ("Error: %s\n", err->message);
g_error_free (err);
if (debug) {
g_print ("Debug details: %s\n", debug);
g_free (debug);
}
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
gtk_main_quit ();
break;
}
default:
break;
}
}
static gboolean
draw_cb (GtkWidget * widget, cairo_t * cr, GstElement * videosink)
{
gst_video_overlay_expose (GST_VIDEO_OVERLAY (videosink));
return FALSE;
}
static void
destroy_cb (GtkWidget * widget, GdkEvent * event, GstElement * pipeline)
{
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
gtk_main_quit ();
}
static void
button_state_ready_cb (GtkWidget * widget, GstElement * pipeline)
{
gst_element_set_state (pipeline, GST_STATE_READY);
}
static void
button_state_paused_cb (GtkWidget * widget, GstElement * pipeline)
{
gst_element_set_state (pipeline, GST_STATE_PAUSED);
}
static void
button_state_playing_cb (GtkWidget * widget, GstElement * pipeline)
{
gst_element_set_state (pipeline, GST_STATE_PLAYING);
}
static gboolean
set_mview_mode (GtkWidget * combo, GObject * target, const gchar * prop_name)
{
gchar *mview_mode = NULL;
GEnumClass *p_class;
GEnumValue *v;
GParamSpec *p =
g_object_class_find_property (G_OBJECT_GET_CLASS (target), prop_name);
g_return_val_if_fail (p != NULL, FALSE);
p_class = G_PARAM_SPEC_ENUM (p)->enum_class;
g_return_val_if_fail (p_class != NULL, FALSE);
g_object_get (G_OBJECT (combo), "active-id", &mview_mode, NULL);
g_return_val_if_fail (mview_mode != NULL, FALSE);
v = g_enum_get_value_by_nick (p_class, mview_mode);
g_return_val_if_fail (v != NULL, FALSE);
g_object_set (target, prop_name, v->value, NULL);
return FALSE;
}
static gboolean
set_mview_input_mode (GtkWidget * widget, gpointer data)
{
#if USE_GLCONVERT_FOR_INPUT
return set_mview_mode (widget, G_OBJECT (data), "input-mode-override");
#else
return set_mview_mode (widget, G_OBJECT (data), "video-multiview-mode");
#endif
}
static gboolean
set_mview_output_mode (GtkWidget * widget, gpointer data)
{
GstElement *sink = gst_bin_get_by_name (GST_BIN (data), "sink");
set_mview_mode (widget, G_OBJECT (sink), "output-multiview-mode");
gst_object_unref (GST_OBJECT (sink));
return FALSE;
}
static void
input_flags_changed (GObject * gobject, GParamSpec * pspec, gpointer user_data)
{
GObject *target = G_OBJECT (user_data);
GstVideoMultiviewFlags flags;
g_object_get (gobject, "flags", &flags, NULL);
#if USE_GLCONVERT_FOR_INPUT
g_object_set (target, "input-flags-override", flags, NULL);
#else
g_object_set (target, "video-multiview-flags", flags, NULL);
#endif
}
static void
output_flags_changed (GObject * gobject, GParamSpec * pspec, gpointer user_data)
{
GObject *target = G_OBJECT (user_data);
GstVideoMultiviewFlags flags;
GstElement *sink = gst_bin_get_by_name (GST_BIN (target), "sink");
g_object_get (gobject, "flags", &flags, NULL);
g_object_set (G_OBJECT (sink), "output-multiview-flags", flags, NULL);
gst_object_unref (GST_OBJECT (sink));
}
static void
downmix_method_changed (GObject * gobject, GParamSpec * pspec, gpointer user_data)
{
GObject *target = G_OBJECT (user_data);
GstGLStereoDownmix downmix_method;
GstElement *sink = gst_bin_get_by_name (GST_BIN (target), "sink");
g_object_get (gobject, "downmix-mode", &downmix_method, NULL);
g_object_set (sink, "output-multiview-downmix-mode", downmix_method, NULL);
gst_object_unref (GST_OBJECT (sink));
}
static const gchar *
enum_value_to_nick (GType enum_type, guint value)
{
GEnumClass *enum_info;
GEnumValue *v;
const gchar *nick;
enum_info = (GEnumClass *) (g_type_class_ref (enum_type));
g_return_val_if_fail (enum_info != NULL, NULL);
v = g_enum_get_value (enum_info, value);
g_return_val_if_fail (v != NULL, NULL);
nick = v->value_nick;
g_type_class_unref (enum_info);
return nick;
}
static void
detect_mode_from_uri (LocalState * state, const gchar * uri)
{
if (strstr (uri, "HSBS")) {
state->in_mode = GST_VIDEO_MULTIVIEW_FRAME_PACKING_SIDE_BY_SIDE;
state->in_flags = GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT;
} else if (strstr (uri, "SBS")) {
state->in_mode = GST_VIDEO_MULTIVIEW_FRAME_PACKING_SIDE_BY_SIDE;
if (g_regex_match_simple ("half", uri, G_REGEX_CASELESS,
(GRegexMatchFlags) 0)) {
state->in_flags = GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT;
}
}
}
gint
main (gint argc, gchar * argv[])
{
LocalState state;
GtkWidget *area, *combo, *w;
const gchar *uri;
XInitThreads ();
gst_init (&argc, &argv);
gtk_init (&argc, &argv);
if (argc < 2) {
g_print ("Usage: 3dvideo <uri-to-play>\n");
return 1;
}
uri = argv[1];
GstElement *pipeline = gst_element_factory_make ("playbin", NULL);
GstBin *sinkbin = (GstBin *) gst_parse_bin_from_description ("glupload ! glcolorconvert ! glviewconvert name=viewconvert ! glimagesink name=sink", TRUE, NULL);
#if USE_GLCONVERT_FOR_INPUT
GstElement *glconvert = gst_bin_get_by_name (sinkbin, "viewconvert");
#endif
GstElement *videosink = gst_bin_get_by_name (sinkbin, "sink");
/* Get defaults */
g_object_get (pipeline, "video-multiview-mode", &state.in_mode,
"video-multiview-flags", &state.in_flags, NULL);
gst_child_proxy_get (GST_CHILD_PROXY (videosink), "sink::output-multiview-mode", &state.out_mode,
"sink::output-multiview-flags", &state.out_flags, NULL);
detect_mode_from_uri (&state, uri);
g_return_val_if_fail (pipeline != NULL, 1);
g_return_val_if_fail (videosink != NULL, 1);
g_object_set (G_OBJECT (pipeline), "video-sink", sinkbin, NULL);
g_object_set (G_OBJECT (pipeline), "uri", uri, NULL);
#if USE_GLCONVERT_FOR_INPUT
g_object_set (G_OBJECT (glconvert), "input-mode-override", state.in_mode,
NULL);
g_object_set (G_OBJECT (glconvert), "input-flags-override", state.in_flags,
NULL);
#else
g_object_set (G_OBJECT (pipeline), "video-multiview-mode", state.in_mode,
NULL);
g_object_set (G_OBJECT (pipeline), "video-multiview-flags", state.in_flags,
NULL);
#endif
/* Connect to bus for signal handling */
GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message::error", G_CALLBACK (end_stream_cb),
pipeline);
g_signal_connect (bus, "message::warning", G_CALLBACK (end_stream_cb),
pipeline);
g_signal_connect (bus, "message::eos", G_CALLBACK (end_stream_cb), pipeline);
gst_element_set_state (pipeline, GST_STATE_READY);
area = gtk_drawing_area_new ();
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) create_window, area, NULL);
gst_object_unref (bus);
/* Toplevel window */
GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
gtk_window_set_title (GTK_WINDOW (window), "Stereoscopic video demo");
GdkGeometry geometry;
geometry.min_width = 1;
geometry.min_height = 1;
geometry.max_width = -1;
geometry.max_height = -1;
gtk_window_set_geometry_hints (GTK_WINDOW (window), window, &geometry,
GDK_HINT_MIN_SIZE);
GtkWidget *vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
gtk_container_add (GTK_CONTAINER (window), vbox);
/* area where the video is drawn */
gtk_box_pack_start (GTK_BOX (vbox), area, TRUE, TRUE, 0);
/* Buttons to control the pipeline state */
GtkWidget *table = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (vbox), table);
GtkWidget *button_state_ready = gtk_button_new_with_label ("Stop");
g_signal_connect (G_OBJECT (button_state_ready), "clicked",
G_CALLBACK (button_state_ready_cb), pipeline);
gtk_grid_attach (GTK_GRID (table), button_state_ready, 1, 0, 1, 1);
gtk_widget_show (button_state_ready);
//control state paused
GtkWidget *button_state_paused = gtk_button_new_with_label ("Pause");
g_signal_connect (G_OBJECT (button_state_paused), "clicked",
G_CALLBACK (button_state_paused_cb), pipeline);
gtk_grid_attach (GTK_GRID (table), button_state_paused, 2, 0, 1, 1);
gtk_widget_show (button_state_paused);
//control state playing
GtkWidget *button_state_playing = gtk_button_new_with_label ("Play");
g_signal_connect (G_OBJECT (button_state_playing), "clicked",
G_CALLBACK (button_state_playing_cb), pipeline);
gtk_grid_attach (GTK_GRID (table), button_state_playing, 3, 0, 1, 1);
//gtk_widget_show (button_state_playing);
w = gst_mview_widget_new (FALSE);
combo = GST_MVIEW_WIDGET (w)->mode_selector;
gtk_combo_box_set_active_id (GTK_COMBO_BOX (combo),
enum_value_to_nick (GST_TYPE_VIDEO_MULTIVIEW_FRAME_PACKING,
state.in_mode));
#if USE_GLCONVERT_FOR_INPUT
g_signal_connect (G_OBJECT (combo), "changed",
G_CALLBACK (set_mview_input_mode), glconvert);
#else
g_signal_connect (G_OBJECT (combo), "changed",
G_CALLBACK (set_mview_input_mode), pipeline);
#endif
g_object_set (G_OBJECT (w), "flags", state.in_flags, NULL);
#if USE_GLCONVERT_FOR_INPUT
g_signal_connect (G_OBJECT (w), "notify::flags",
G_CALLBACK (input_flags_changed), glconvert);
#else
g_signal_connect (G_OBJECT (w), "notify::flags",
G_CALLBACK (input_flags_changed), pipeline);
#endif
gtk_container_add (GTK_CONTAINER (vbox), w);
w = gst_mview_widget_new (TRUE);
combo = GST_MVIEW_WIDGET (w)->mode_selector;
gtk_combo_box_set_active_id (GTK_COMBO_BOX (combo),
enum_value_to_nick (GST_TYPE_VIDEO_MULTIVIEW_MODE, state.out_mode));
g_signal_connect (G_OBJECT (combo), "changed",
G_CALLBACK (set_mview_output_mode), videosink);
g_object_set (G_OBJECT (w), "flags", state.out_flags, NULL);
g_signal_connect (G_OBJECT (w), "notify::flags",
G_CALLBACK (output_flags_changed), videosink);
g_signal_connect (G_OBJECT (w), "notify::downmix-mode",
G_CALLBACK (downmix_method_changed), videosink);
gtk_container_add (GTK_CONTAINER (vbox), w);
//configure the pipeline
g_signal_connect (G_OBJECT (window), "delete-event", G_CALLBACK (destroy_cb),
pipeline);
gtk_widget_realize (area);
/* Redraw needed when paused or stopped (PAUSED or READY) */
g_signal_connect (area, "draw", G_CALLBACK (draw_cb), videosink);
gtk_widget_show_all (window);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_main ();
return 0;
}

324
tests/examples/gl/gtk/3dvideo/mviewwidget.c Normal file
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/*
* GStreamer
* Copyright (C) 2014-2015 Jan Schmidt <jan@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "mviewwidget.h"
G_DEFINE_TYPE (GstMViewWidget, gst_mview_widget, GTK_TYPE_GRID);
static void gst_mview_widget_constructed (GObject * o);
static void gst_mview_widget_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_mview_widget_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
#define DEFAULT_DOWNMIX GST_GL_STEREO_DOWNMIX_ANAGLYPH_GREEN_MAGENTA_DUBOIS
enum
{
PROP_0,
PROP_IS_OUTPUT,
PROP_MODE_SELECTOR,
PROP_FLAGS,
PROP_DOWNMIX_MODE
};
typedef struct _ToggleClosure
{
GstMViewWidget *mv;
GstVideoMultiviewFlags flag;
} ToggleClosure;
static GtkWidget *combo_box_from_enum (GType enum_type);
static void
gst_mview_widget_class_init (GstMViewWidgetClass * klass)
{
GObjectClass *object_klass = (GObjectClass *) (klass);
object_klass->constructed = gst_mview_widget_constructed;
object_klass->set_property = gst_mview_widget_set_property;
object_klass->get_property = gst_mview_widget_get_property;
g_object_class_install_property (object_klass, PROP_IS_OUTPUT,
g_param_spec_boolean ("is-output", "Is an Output widget",
"TRUE if the widget should have downmix mode", FALSE,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_klass, PROP_MODE_SELECTOR,
g_param_spec_object ("mode-selector", "Multiview Mode selector",
"Multiview Mode selector widget",
GTK_TYPE_WIDGET, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_klass, PROP_FLAGS,
g_param_spec_flags ("flags", "Multiview Flags",
"multiview flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGS,
GST_VIDEO_MULTIVIEW_FLAGS_NONE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_klass, PROP_DOWNMIX_MODE,
g_param_spec_enum ("downmix-mode",
"Mode for mono downmixed output",
"Output anaglyph type to generate when downmixing to mono",
GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE, DEFAULT_DOWNMIX,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_mview_widget_init (GstMViewWidget * mv)
{
}
static void
flag_changed (GObject * w, ToggleClosure * c)
{
GstMViewWidget *mv = GST_MVIEW_WIDGET (c->mv);
gboolean flag_set;
g_object_get (w, "active", &flag_set, NULL);
if (flag_set)
mv->flags |= c->flag;
else
mv->flags &= ~(c->flag);
if (!mv->synching)
g_object_notify (G_OBJECT (mv), "flags");
}
static void
link_button_to_flag (GstMViewWidget * mv, GtkWidget * w,
GstVideoMultiviewFlags flag)
{
ToggleClosure *c = g_new0 (ToggleClosure, 1);
c->mv = mv;
c->flag = flag;
g_signal_connect_data (G_OBJECT (w), "toggled", G_CALLBACK (flag_changed),
c, (GClosureNotify) g_free, 0);
}
static void
sync_flags (GstMViewWidget * mv)
{
mv->synching = TRUE;
g_object_set (G_OBJECT (mv->lflip), "active",
! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLIPPED), NULL);
g_object_set (G_OBJECT (mv->lflop), "active",
! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLOPPED), NULL);
g_object_set (G_OBJECT (mv->rflip), "active",
! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLIPPED), NULL);
g_object_set (G_OBJECT (mv->rflop), "active",
! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLOPPED), NULL);
g_object_set (G_OBJECT (mv->right_first), "active",
! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST), NULL);
g_object_set (G_OBJECT (mv->half_aspect), "active",
! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT), NULL);
mv->synching = FALSE;
}
static const gchar *
enum_value_to_nick (GType enum_type, guint value)
{
GEnumClass *enum_info;
GEnumValue *v;
const gchar *nick;
enum_info = (GEnumClass *) (g_type_class_ref (enum_type));
g_return_val_if_fail (enum_info != NULL, NULL);
v = g_enum_get_value (enum_info, value);
g_return_val_if_fail (v != NULL, NULL);
nick = v->value_nick;
g_type_class_unref (enum_info);
return nick;
}
static void
sync_downmix (GstMViewWidget * mv)
{
mv->synching = TRUE;
gtk_combo_box_set_active_id (GTK_COMBO_BOX (mv->downmix_combo),
enum_value_to_nick (GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE,
mv->downmix_mode));
mv->synching = FALSE;
}
static gboolean
set_downmix_mode (GtkWidget * widget, gpointer data)
{
GstMViewWidget *mv = GST_MVIEW_WIDGET (data);
gchar *downmix_mode = NULL;
GEnumClass *p_class;
GEnumValue *v;
GParamSpec *p =
g_object_class_find_property (G_OBJECT_GET_CLASS (mv), "downmix-mode");
g_return_val_if_fail (p != NULL, FALSE);
p_class = G_PARAM_SPEC_ENUM (p)->enum_class;
g_return_val_if_fail (p_class != NULL, FALSE);
g_object_get (G_OBJECT (widget), "active-id", &downmix_mode, NULL);
g_return_val_if_fail (downmix_mode != NULL, FALSE);
v = g_enum_get_value_by_nick (p_class, downmix_mode);
g_return_val_if_fail (v != NULL, FALSE);
mv->downmix_mode = v->value;
if (!mv->synching)
g_object_notify (G_OBJECT (mv), "downmix-mode");
return FALSE;
}
static void
gst_mview_widget_constructed (GObject * o)
{
GstMViewWidget *mv = GST_MVIEW_WIDGET (o);
GtkGrid *g = GTK_GRID (mv);
GtkWidget *w;
gtk_widget_set_has_window (GTK_WIDGET (mv), FALSE);
if (mv->is_output) {
mv->mode_selector = w = combo_box_from_enum (GST_TYPE_VIDEO_MULTIVIEW_MODE);
gtk_grid_attach (g, gtk_label_new ("Output:"), 0, 0, 1, 1);
} else {
mv->mode_selector = w =
combo_box_from_enum (GST_TYPE_VIDEO_MULTIVIEW_FRAME_PACKING);
gtk_grid_attach (g, gtk_label_new ("Input:"), 0, 0, 1, 1);
}
gtk_grid_attach (g, mv->mode_selector, 1, 0, 3, 1);
gtk_grid_attach (g, gtk_label_new (" Left "), 4, 0, 1, 1);
mv->lflip = w = gtk_toggle_button_new_with_label ("Flip");
link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLIPPED);
gtk_grid_attach (g, w, 5, 0, 1, 1);
mv->lflop = w = gtk_toggle_button_new_with_label ("Flop");
link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLOPPED);
gtk_grid_attach (g, w, 6, 0, 1, 1);
gtk_grid_attach (g, gtk_label_new (" Right "), 4, 1, 1, 1);
mv->rflip = w = gtk_toggle_button_new_with_label ("Flip");
link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLIPPED);
gtk_grid_attach (g, w, 5, 1, 1, 1);
mv->rflop = w = gtk_toggle_button_new_with_label ("Flop");
link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLOPPED);
gtk_grid_attach (g, w, 6, 1, 1, 1);
mv->right_first = w = gtk_toggle_button_new_with_label ("Left/Right swap");
link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST);
gtk_grid_attach (g, w, 1, 1, 1, 1);
mv->half_aspect = w = gtk_toggle_button_new_with_label ("Half-Aspect");
link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT);
gtk_grid_attach (g, w, 2, 1, 1, 1);
if (mv->is_output) {
mv->downmix_combo = w =
combo_box_from_enum (GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE);
gtk_grid_attach (g, w, 1, 2, 3, 1);
sync_downmix (mv);
g_signal_connect (G_OBJECT (w), "changed",
G_CALLBACK (set_downmix_mode), mv);
}
}
static void
gst_mview_widget_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstMViewWidget *mv = GST_MVIEW_WIDGET (object);
switch (prop_id) {
case PROP_IS_OUTPUT:
mv->is_output = g_value_get_boolean (value);
break;
case PROP_FLAGS:
mv->flags = (GstVideoMultiviewFlags) g_value_get_flags (value);
sync_flags (mv);
break;
case PROP_DOWNMIX_MODE:
mv->downmix_mode = g_value_get_enum (value);
sync_downmix (mv);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mview_widget_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstMViewWidget *mv = GST_MVIEW_WIDGET (object);
switch (prop_id) {
case PROP_IS_OUTPUT:
g_value_set_boolean (value, mv->is_output);
break;
case PROP_MODE_SELECTOR:
g_value_set_object (value, mv->mode_selector);
break;
case PROP_FLAGS:
g_value_set_flags (value, mv->flags);
break;
case PROP_DOWNMIX_MODE:
g_value_set_enum (value, mv->downmix_mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GtkWidget *
combo_box_from_enum (GType enum_type)
{
GEnumClass *enum_info;
GtkWidget *combo;
guint i;
enum_info = (GEnumClass *) (g_type_class_ref (enum_type));
g_return_val_if_fail (enum_info != NULL, NULL);
combo = gtk_combo_box_text_new ();
for (i = 0; i < enum_info->n_values; i++) {
GEnumValue *v = enum_info->values + i;
gtk_combo_box_text_insert (GTK_COMBO_BOX_TEXT (combo),
i, v->value_nick, v->value_name);
}
g_type_class_unref (enum_info);
return combo;
}
GtkWidget *
gst_mview_widget_new (gboolean is_output)
{
GtkWidget *ret;
ret = g_object_new (GST_TYPE_MVIEW_WIDGET, "is-output", is_output, NULL);
return ret;
}

78
tests/examples/gl/gtk/3dvideo/mviewwidget.h Normal file
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@ -0,0 +1,78 @@
/*
* GStreamer
* Copyright (C) 2014-2015 Jan Schmidt <jan@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#define GST_USE_UNSTABLE_API 1
#include <gst/gst.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <gst/video/video-info.h>
#include <gst/gl/gstglviewconvert.h>
G_BEGIN_DECLS
#define GST_TYPE_MVIEW_WIDGET (gst_mview_widget_get_type())
#define GST_MVIEW_WIDGET(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MVIEW_WIDGET, GstMViewWidget))
#define GST_MVIEW_WIDGET_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MVIEW_WIDGET, GstMViewWidgetClass))
#define GST_IS_MVIEW_WIDGET(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MVIEW_WIDGET))
#define GST_IS_MVIEW_WIDGET_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MVIEW_WIDGET))
#define GST_MVIEW_WIDGET_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_MVIEW_WIDGET,GstMViewWidgetClass))
typedef struct _GstMViewWidget GstMViewWidget;
typedef struct _GstMViewWidgetClass GstMViewWidgetClass;
struct _GstMViewWidget {
GtkGrid parent;
gboolean is_output;
GtkWidget *mode_selector;
GstVideoMultiviewMode mode;
GstVideoMultiviewFlags flags;
GstGLStereoDownmix downmix_mode;
/* Array of toggle buttons for flags */
GtkWidget *lflip;
GtkWidget *lflop;
GtkWidget *rflip;
GtkWidget *rflop;
GtkWidget *half_aspect;
GtkWidget *right_first;
GtkWidget *downmix_combo;
gboolean synching;
};
struct _GstMViewWidgetClass {
GtkGridClass parent;
};
GType gst_mview_widget_get_type ();
GtkWidget *gst_mview_widget_new (gboolean is_output);
G_END_DECLS

2
tests/examples/gl/gtk/Makefile.am
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@ -1,5 +1,5 @@
SUBDIRS = . gtkvideooverlay filternovideooverlay filtervideooverlay fxtest switchvideooverlay
SUBDIRS = . gtkvideooverlay filternovideooverlay filtervideooverlay fxtest switchvideooverlay 3dvideo
noinst_LTLIBRARIES = libgstgtkhelper.la