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Until someone makes it work with the wayland backend. The code currenty assumes and hard-codes X11. https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/merge_requests/49
338 lines
9 KiB
C
338 lines
9 KiB
C
/*
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* GStreamer
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* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/*
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* This is a demo application to test the camerabin element.
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* If you have question don't hesitate in contact me edgard.lima@gmail.com
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*/
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/*
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* Includes
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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 "gst-camera2.h"
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#include <string.h>
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#include <gst/pbutils/encoding-profile.h>
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#include <gst/gst.h>
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#include <gst/video/videooverlay.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkx.h>
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#include <gdk/gdkkeysyms.h>
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#define UI_FILE CAMERA_APPS_UIDIR G_DIR_SEPARATOR_S "gst-camera2.ui"
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static GstElement *camera;
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static GtkBuilder *builder;
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static GtkWidget *ui_main_window;
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typedef struct
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{
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const gchar *name;
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GstEncodingProfile *(*create_profile) ();
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} GstCameraVideoFormat;
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static GstEncodingProfile *
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create_ogg_profile (void)
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{
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GstEncodingContainerProfile *container;
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GstCaps *caps = NULL;
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caps = gst_caps_new_empty_simple ("application/ogg");
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container = gst_encoding_container_profile_new ("ogg", NULL, caps, NULL);
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gst_caps_unref (caps);
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caps = gst_caps_new_empty_simple ("video/x-theora");
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gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
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gst_encoding_video_profile_new (caps, NULL, NULL, 1));
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gst_caps_unref (caps);
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caps = gst_caps_new_empty_simple ("audio/x-vorbis");
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gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
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gst_encoding_audio_profile_new (caps, NULL, NULL, 1));
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gst_caps_unref (caps);
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return (GstEncodingProfile *) container;
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}
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static GstEncodingProfile *
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create_webm_profile (void)
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{
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GstEncodingContainerProfile *container;
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GstCaps *caps = NULL;
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caps = gst_caps_new_empty_simple ("video/webm");
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container = gst_encoding_container_profile_new ("webm", NULL, caps, NULL);
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gst_caps_unref (caps);
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caps = gst_caps_new_empty_simple ("video/x-vp8");
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gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
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gst_encoding_video_profile_new (caps, NULL, NULL, 1));
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gst_caps_unref (caps);
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caps = gst_caps_new_empty_simple ("audio/x-vorbis");
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gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
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gst_encoding_audio_profile_new (caps, NULL, NULL, 1));
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gst_caps_unref (caps);
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return (GstEncodingProfile *) container;
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}
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static GstEncodingProfile *
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create_mp4_profile (void)
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{
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GstEncodingContainerProfile *container;
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GstCaps *caps = NULL;
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caps =
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gst_caps_new_simple ("video/quicktime", "variant", G_TYPE_STRING, "iso",
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NULL);
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container = gst_encoding_container_profile_new ("mp4", NULL, caps, NULL);
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gst_caps_unref (caps);
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caps = gst_caps_new_empty_simple ("video/x-h264");
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gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
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gst_encoding_video_profile_new (caps, NULL, NULL, 1));
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gst_caps_unref (caps);
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caps = gst_caps_new_simple ("audio/mpeg", "version", G_TYPE_INT, 4, NULL);
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gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
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gst_encoding_audio_profile_new (caps, NULL, NULL, 1));
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gst_caps_unref (caps);
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return (GstEncodingProfile *) container;
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}
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GstCameraVideoFormat formats[] = {
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{"ogg (theora/vorbis)", create_ogg_profile}
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,
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{"webm (vp8/vorbis)", create_webm_profile}
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,
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{"mp4 (h264+aac)", create_mp4_profile}
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,
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{NULL, NULL}
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};
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void
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on_mainWindow_delete_event (GtkWidget * widget, GdkEvent * event, gpointer data)
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{
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gtk_main_quit ();
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}
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void
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on_captureButton_clicked (GtkButton * button, gpointer user_data)
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{
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g_signal_emit_by_name (camera, "start-capture", NULL);
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}
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void
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on_stopCaptureButton_clicked (GtkButton * button, gpointer user_data)
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{
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g_signal_emit_by_name (camera, "stop-capture", NULL);
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}
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void
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on_imageRButton_toggled (GtkToggleButton * button, gpointer user_data)
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{
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if (gtk_toggle_button_get_active (button)) {
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g_object_set (camera, "mode", 1, NULL); /* Image mode */
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}
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}
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void
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on_videoRButton_toggled (GtkToggleButton * button, gpointer user_data)
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{
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if (gtk_toggle_button_get_active (button)) {
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g_object_set (camera, "mode", 2, NULL); /* Video mode */
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}
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}
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void
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on_viewfinderArea_realize (GtkWidget * widget, gpointer data)
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{
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gdk_window_ensure_native (gtk_widget_get_window (widget));
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}
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void
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on_formatComboBox_changed (GtkWidget * widget, gpointer data)
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{
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GstEncodingProfile *profile = NULL;
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gint index = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
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if (formats[index].create_profile) {
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profile = formats[index].create_profile ();
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}
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g_return_if_fail (profile != NULL);
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gst_element_set_state (camera, GST_STATE_NULL);
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g_object_set (camera, "video-profile", profile, NULL);
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gst_encoding_profile_unref (profile);
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if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (camera,
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GST_STATE_PLAYING)) {
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GtkWidget *dialog =
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gtk_message_dialog_new (GTK_WINDOW (ui_main_window), GTK_DIALOG_MODAL,
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GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
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"Could not initialize camerabin with the "
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"selected format. Your system might not have the required plugins installed.\n"
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"Please select another format.");
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gtk_dialog_run (GTK_DIALOG (dialog));
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gtk_widget_destroy (dialog);
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}
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}
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void
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on_zoomScale_value_changed (GtkWidget * widget, gpointer data)
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{
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g_object_set (camera, "zoom",
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(gfloat) gtk_range_get_value (GTK_RANGE (widget)), NULL);
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}
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static GstBusSyncReply
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bus_sync_callback (GstBus * bus, GstMessage * message, gpointer data)
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{
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GtkWidget *ui_drawing;
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if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
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return GST_BUS_PASS;
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if (!gst_message_has_name (message, "prepare-window-handle"))
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return GST_BUS_PASS;
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/* FIXME: make sure to get XID in main thread */
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ui_drawing = GTK_WIDGET (gtk_builder_get_object (builder, "viewfinderArea"));
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gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (message->src),
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GDK_WINDOW_XID (gtk_widget_get_window (ui_drawing)));
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gst_message_unref (message);
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return GST_BUS_DROP;
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}
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static gboolean
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bus_callback (GstBus * bus, GstMessage * message, gpointer data)
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{
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switch (GST_MESSAGE_TYPE (message)) {
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case GST_MESSAGE_WARNING:{
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GError *err;
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gchar *debug;
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gst_message_parse_warning (message, &err, &debug);
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g_print ("Warning: %s\n", err->message);
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g_error_free (err);
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g_free (debug);
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break;
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}
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case GST_MESSAGE_ERROR:{
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GError *err = NULL;
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gchar *debug = NULL;
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gst_message_parse_error (message, &err, &debug);
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g_print ("Error: %s : %s\n", err->message, debug);
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g_error_free (err);
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g_free (debug);
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gtk_main_quit ();
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break;
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}
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case GST_MESSAGE_EOS:
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/* end-of-stream */
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g_print ("Eos\n");
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gtk_main_quit ();
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break;
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case GST_MESSAGE_ELEMENT:
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{
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//handle_element_message (message);
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break;
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}
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default:
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/* unhandled message */
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break;
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}
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return TRUE;
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}
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static gboolean
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init_gtkwidgets_data (void)
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{
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gint i;
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GtkComboBoxText *combobox =
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GTK_COMBO_BOX_TEXT (gtk_builder_get_object (builder, "formatComboBox"));
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/* init formats combobox */
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i = 0;
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while (formats[i].name) {
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gtk_combo_box_text_append_text (combobox, formats[i].name);
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i++;
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}
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/* default to the first one -> ogg */
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gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);
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return TRUE;
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}
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int
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main (int argc, char *argv[])
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{
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GError *error = NULL;
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GstBus *bus;
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/* FIXME: add support for Gdk Wayland backend, code currently assumes X11 */
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if (g_getenv ("GDK_BACKEND") == NULL)
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g_setenv ("GDK_BACKEND", "x11", TRUE);
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gst_init (&argc, &argv);
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gtk_init (&argc, &argv);
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builder = gtk_builder_new ();
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if (!gtk_builder_add_from_file (builder, UI_FILE, &error)) {
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g_warning ("Error: %s", error->message);
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g_error_free (error);
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return 1;
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}
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camera = gst_element_factory_make ("camerabin", "camera");
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bus = gst_pipeline_get_bus (GST_PIPELINE (camera));
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gst_bus_add_watch (bus, bus_callback, NULL);
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gst_bus_set_sync_handler (bus, bus_sync_callback, NULL, NULL);
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gst_object_unref (bus);
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if (!init_gtkwidgets_data ()) {
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goto error;
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}
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ui_main_window = GTK_WIDGET (gtk_builder_get_object (builder, "mainWindow"));
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gtk_builder_connect_signals (builder, NULL);
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gtk_widget_show_all (ui_main_window);
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gst_element_set_state (camera, GST_STATE_PLAYING);
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gtk_main ();
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error:
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gst_element_set_state (camera, GST_STATE_NULL);
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gst_object_unref (camera);
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return 0;
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}
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